diff options
17 files changed, 1805 insertions, 24 deletions
diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml new file mode 100644 index 000000000000..3b8b85be5cd0 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/starfive,jh7110-ispcrg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 Image-Signal-Process Clock and Reset Generator + +maintainers: + - Xingyu Wu <xingyu.wu@starfivetech.com> + +properties: + compatible: + const: starfive,jh7110-ispcrg + + reg: + maxItems: 1 + + clocks: + items: + - description: ISP Top core + - description: ISP Top Axi + - description: NOC ISP Bus + - description: external DVP + + clock-names: + items: + - const: isp_top_core + - const: isp_top_axi + - const: noc_bus_isp_axi + - const: dvp_clk + + resets: + items: + - description: ISP Top core + - description: ISP Top Axi + - description: NOC ISP Bus + + '#clock-cells': + const: 1 + description: + See <dt-bindings/clock/starfive,jh7110-crg.h> for valid indices. + + '#reset-cells': + const: 1 + description: + See <dt-bindings/reset/starfive,jh7110-crg.h> for valid indices. + + power-domains: + maxItems: 1 + description: + ISP domain power + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - '#clock-cells' + - '#reset-cells' + - power-domains + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/starfive,jh7110-crg.h> + #include <dt-bindings/power/starfive,jh7110-pmu.h> + #include <dt-bindings/reset/starfive,jh7110-crg.h> + + ispcrg: clock-controller@19810000 { + compatible = "starfive,jh7110-ispcrg"; + reg = <0x19810000 0x10000>; + clocks = <&syscrg JH7110_SYSCLK_ISP_TOP_CORE>, + <&syscrg JH7110_SYSCLK_ISP_TOP_AXI>, + <&syscrg JH7110_SYSCLK_NOC_BUS_ISP_AXI>, + <&dvp_clk>; + clock-names = "isp_top_core", "isp_top_axi", + "noc_bus_isp_axi", "dvp_clk"; + resets = <&syscrg JH7110_SYSRST_ISP_TOP>, + <&syscrg JH7110_SYSRST_ISP_TOP_AXI>, + <&syscrg JH7110_SYSRST_NOC_BUS_ISP_AXI>; + #clock-cells = <1>; + #reset-cells = <1>; + power-domains = <&pwrc JH7110_PD_ISP>; + }; diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml new file mode 100644 index 000000000000..be8300ce86d0 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/starfive,jh7110-pll.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 PLL Clock Generator + +description: + These PLLs are high speed, low jitter frequency synthesizers in the JH7110. + Each PLL works in integer mode or fraction mode, with configuration + registers in the sys syscon. So the PLLs node should be a child of + SYS-SYSCON node. + The formula for calculating frequency is + Fvco = Fref * (NI + NF) / M / Q1 + +maintainers: + - Xingyu Wu <xingyu.wu@starfivetech.com> + +properties: + compatible: + const: starfive,jh7110-pll + + clocks: + maxItems: 1 + description: Main Oscillator (24 MHz) + + '#clock-cells': + const: 1 + description: + See <dt-bindings/clock/starfive,jh7110-crg.h> for valid indices. + +required: + - compatible + - clocks + - '#clock-cells' + +additionalProperties: false + +examples: + - | + clock-controller { + compatible = "starfive,jh7110-pll"; + clocks = <&osc>; + #clock-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml new file mode 100644 index 000000000000..b64ccd84200a --- /dev/null +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/starfive,jh7110-stgcrg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 System-Top-Group Clock and Reset Generator + +maintainers: + - Xingyu Wu <xingyu.wu@starfivetech.com> + +properties: + compatible: + const: starfive,jh7110-stgcrg + + reg: + maxItems: 1 + + clocks: + items: + - description: Main Oscillator (24 MHz) + - description: HIFI4 core + - description: STG AXI/AHB + - description: USB (125 MHz) + - description: CPU Bus + - description: HIFI4 Axi + - description: NOC STG Bus + - description: APB Bus + + clock-names: + items: + - const: osc + - const: hifi4_core + - const: stg_axiahb + - const: usb_125m + - const: cpu_bus + - const: hifi4_axi + - const: nocstg_bus + - const: apb_bus + + '#clock-cells': + const: 1 + description: + See <dt-bindings/clock/starfive,jh7110-crg.h> for valid indices. + + '#reset-cells': + const: 1 + description: + See <dt-bindings/reset/starfive,jh7110-crg.h> for valid indices. + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + - '#reset-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/starfive,jh7110-crg.h> + + stgcrg: clock-controller@10230000 { + compatible = "starfive,jh7110-stgcrg"; + reg = <0x10230000 0x10000>; + clocks = <&osc>, + <&syscrg JH7110_SYSCLK_HIFI4_CORE>, + <&syscrg JH7110_SYSCLK_STG_AXIAHB>, + <&syscrg JH7110_SYSCLK_USB_125M>, + <&syscrg JH7110_SYSCLK_CPU_BUS>, + <&syscrg JH7110_SYSCLK_HIFI4_AXI>, + <&syscrg JH7110_SYSCLK_NOCSTG_BUS>, + <&syscrg JH7110_SYSCLK_APB_BUS>; + clock-names = "osc", "hifi4_core", + "stg_axiahb", "usb_125m", + "cpu_bus", "hifi4_axi", + "nocstg_bus", "apb_bus"; + #clock-cells = <1>; + #reset-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-syscrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-syscrg.yaml index 84373ae31644..5ba0a885aa80 100644 --- a/Documentation/devicetree/bindings/clock/starfive,jh7110-syscrg.yaml +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-syscrg.yaml @@ -27,6 +27,9 @@ properties: - description: External I2S RX left/right channel clock - description: External TDM clock - description: External audio master clock + - description: PLL0 + - description: PLL1 + - description: PLL2 - items: - description: Main Oscillator (24 MHz) @@ -38,6 +41,9 @@ properties: - description: External I2S RX left/right channel clock - description: External TDM clock - description: External audio master clock + - description: PLL0 + - description: PLL1 + - description: PLL2 clock-names: oneOf: @@ -52,6 +58,9 @@ properties: - const: i2srx_lrck_ext - const: tdm_ext - const: mclk_ext + - const: pll0_out + - const: pll1_out + - const: pll2_out - items: - const: osc @@ -63,6 +72,9 @@ properties: - const: i2srx_lrck_ext - const: tdm_ext - const: mclk_ext + - const: pll0_out + - const: pll1_out + - const: pll2_out '#clock-cells': const: 1 @@ -93,12 +105,14 @@ examples: <&gmac1_rgmii_rxin>, <&i2stx_bclk_ext>, <&i2stx_lrck_ext>, <&i2srx_bclk_ext>, <&i2srx_lrck_ext>, - <&tdm_ext>, <&mclk_ext>; + <&tdm_ext>, <&mclk_ext>, + <&pllclk 0>, <&pllclk 1>, <&pllclk 2>; clock-names = "osc", "gmac1_rmii_refin", "gmac1_rgmii_rxin", "i2stx_bclk_ext", "i2stx_lrck_ext", "i2srx_bclk_ext", "i2srx_lrck_ext", - "tdm_ext", "mclk_ext"; + "tdm_ext", "mclk_ext", + "pll0_out", "pll1_out", "pll2_out"; #clock-cells = <1>; #reset-cells = <1>; }; diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-voutcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-voutcrg.yaml new file mode 100644 index 000000000000..af77bd8c86b1 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-voutcrg.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/starfive,jh7110-voutcrg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 Video-Output Clock and Reset Generator + +maintainers: + - Xingyu Wu <xingyu.wu@starfivetech.com> + +properties: + compatible: + const: starfive,jh7110-voutcrg + + reg: + maxItems: 1 + + clocks: + items: + - description: Vout Top core + - description: Vout Top Ahb + - description: Vout Top Axi + - description: Vout Top HDMI MCLK + - description: I2STX0 BCLK + - description: external HDMI pixel + + clock-names: + items: + - const: vout_src + - const: vout_top_ahb + - const: vout_top_axi + - const: vout_top_hdmitx0_mclk + - const: i2stx0_bclk + - const: hdmitx0_pixelclk + + resets: + maxItems: 1 + description: Vout Top core + + '#clock-cells': + const: 1 + description: + See <dt-bindings/clock/starfive,jh7110-crg.h> for valid indices. + + '#reset-cells': + const: 1 + description: + See <dt-bindings/reset/starfive,jh7110-crg.h> for valid indices. + + power-domains: + maxItems: 1 + description: + Vout domain power + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - '#clock-cells' + - '#reset-cells' + - power-domains + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/starfive,jh7110-crg.h> + #include <dt-bindings/power/starfive,jh7110-pmu.h> + #include <dt-bindings/reset/starfive,jh7110-crg.h> + + voutcrg: clock-controller@295C0000 { + compatible = "starfive,jh7110-voutcrg"; + reg = <0x295C0000 0x10000>; + clocks = <&syscrg JH7110_SYSCLK_VOUT_SRC>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_AHB>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_AXI>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_HDMITX0_MCLK>, + <&syscrg JH7110_SYSCLK_I2STX0_BCLK>, + <&hdmitx0_pixelclk>; + clock-names = "vout_src", "vout_top_ahb", + "vout_top_axi", "vout_top_hdmitx0_mclk", + "i2stx0_bclk", "hdmitx0_pixelclk"; + resets = <&syscrg JH7110_SYSRST_VOUT_TOP_SRC>; + #clock-cells = <1>; + #reset-cells = <1>; + power-domains = <&pwrc JH7110_PD_VOUT>; + }; diff --git a/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml new file mode 100644 index 000000000000..0039319e91fe --- /dev/null +++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 SoC system controller + +maintainers: + - William Qiu <william.qiu@starfivetech.com> + +description: + The StarFive JH7110 SoC system controller provides register information such + as offset, mask and shift to configure related modules such as MMC and PCIe. + +properties: + compatible: + oneOf: + - items: + - const: starfive,jh7110-sys-syscon + - const: syscon + - const: simple-mfd + - items: + - enum: + - starfive,jh7110-aon-syscon + - starfive,jh7110-stg-syscon + - const: syscon + + reg: + maxItems: 1 + + clock-controller: + $ref: /schemas/clock/starfive,jh7110-pll.yaml# + type: object + + "#power-domain-cells": + const: 1 + +required: + - compatible + - reg + +allOf: + - if: + properties: + compatible: + contains: + const: starfive,jh7110-sys-syscon + then: + required: + - clock-controller + else: + properties: + clock-controller: false + - if: + properties: + compatible: + contains: + const: starfive,jh7110-aon-syscon + then: + required: + - "#power-domain-cells" + else: + properties: + "#power-domain-cells": false + +additionalProperties: false + +examples: + - | + syscon@10240000 { + compatible = "starfive,jh7110-stg-syscon", "syscon"; + reg = <0x10240000 0x1000>; + }; + + syscon@13030000 { + compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd"; + reg = <0x13030000 0x1000>; + + clock-controller { + compatible = "starfive,jh7110-pll"; + clocks = <&osc>; + #clock-cells = <1>; + }; + }; + + syscon@17010000 { + compatible = "starfive,jh7110-aon-syscon", "syscon"; + reg = <0x17010000 0x1000>; + #power-domain-cells = <1>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 3be1bdfe8ecc..feb796d63865 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20271,6 +20271,18 @@ S: Supported F: Documentation/devicetree/bindings/mmc/starfive* F: drivers/mmc/host/dw_mmc-starfive.c +STARFIVE JH7110 PLL CLOCK DRIVER +M: Xingyu Wu <xingyu.wu@starfivetech.com> +S: Supported +F: Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml +F: drivers/clk/starfive/clk-starfive-jh7110-pll.c + +STARFIVE JH7110 SYSCON +M: William Qiu <william.qiu@starfivetech.com> +M: Xingyu Wu <xingyu.wu@starfivetech.com> +S: Supported +F: Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml + STARFIVE JH7110 TDM DRIVER M: Walker Chen <walker.chen@starfivetech.com> S: Maintained @@ -20320,6 +20332,7 @@ STARFIVE SOC DRIVERS M: Conor Dooley <conor@kernel.org> S: Maintained T: git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/ +F: Documentation/devicetree/bindings/soc/starfive/ F: drivers/soc/starfive/ STARFIVE TRNG DRIVER diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig index 5d2333106f13..bd29358ffeec 100644 --- a/drivers/clk/starfive/Kconfig +++ b/drivers/clk/starfive/Kconfig @@ -21,12 +21,21 @@ config CLK_STARFIVE_JH7100_AUDIO Say Y or M here to support the audio clocks on the StarFive JH7100 SoC. +config CLK_STARFIVE_JH7110_PLL + bool "StarFive JH7110 PLL clock support" + depends on ARCH_STARFIVE || COMPILE_TEST + default ARCH_STARFIVE + help + Say yes here to support the PLL clock controller on the + StarFive JH7110 SoC. + config CLK_STARFIVE_JH7110_SYS bool "StarFive JH7110 system clock support" depends on ARCH_STARFIVE || COMPILE_TEST select AUXILIARY_BUS select CLK_STARFIVE_JH71X0 select RESET_STARFIVE_JH7110 if RESET_CONTROLLER + select CLK_STARFIVE_JH7110_PLL default ARCH_STARFIVE help Say yes here to support the system clock controller on the @@ -39,3 +48,27 @@ config CLK_STARFIVE_JH7110_AON help Say yes here to support the always-on clock controller on the StarFive JH7110 SoC. + +config CLK_STARFIVE_JH7110_STG + tristate "StarFive JH7110 System-Top-Group clock support" + depends on CLK_STARFIVE_JH7110_SYS + default m if ARCH_STARFIVE + help + Say yes here to support the System-Top-Group clock controller + on the StarFive JH7110 SoC. + +config CLK_STARFIVE_JH7110_ISP + tristate "StarFive JH7110 Image-Signal-Process clock support" + depends on CLK_STARFIVE_JH7110_SYS && JH71XX_PMU + default m if ARCH_STARFIVE + help + Say yes here to support the Image-Signal-Process clock controller + on the StarFive JH7110 SoC. + +config CLK_STARFIVE_JH7110_VOUT + tristate "StarFive JH7110 Video-Output clock support" + depends on CLK_STARFIVE_JH7110_SYS && JH71XX_PMU + default m if ARCH_STARFIVE + help + Say yes here to support the Video-Output clock controller + on the StarFive JH7110 SoC. diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile index f3df7d957b1e..199ac0f37a2f 100644 --- a/drivers/clk/starfive/Makefile +++ b/drivers/clk/starfive/Makefile @@ -4,5 +4,9 @@ obj-$(CONFIG_CLK_STARFIVE_JH71X0) += clk-starfive-jh71x0.o obj-$(CONFIG_CLK_STARFIVE_JH7100) += clk-starfive-jh7100.o obj-$(CONFIG_CLK_STARFIVE_JH7100_AUDIO) += clk-starfive-jh7100-audio.o +obj-$(CONFIG_CLK_STARFIVE_JH7110_PLL) += clk-starfive-jh7110-pll.o obj-$(CONFIG_CLK_STARFIVE_JH7110_SYS) += clk-starfive-jh7110-sys.o obj-$(CONFIG_CLK_STARFIVE_JH7110_AON) += clk-starfive-jh7110-aon.o +obj-$(CONFIG_CLK_STARFIVE_JH7110_STG) += clk-starfive-jh7110-stg.o +obj-$(CONFIG_CLK_STARFIVE_JH7110_ISP) += clk-starfive-jh7110-isp.o +obj-$(CONFIG_CLK_STARFIVE_JH7110_VOUT) += clk-starfive-jh7110-vout.o diff --git a/drivers/clk/starfive/clk-starfive-jh7110-isp.c b/drivers/clk/starfive/clk-starfive-jh7110-isp.c new file mode 100644 index 000000000000..ce034ed28532 --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh7110-isp.c @@ -0,0 +1,232 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH7110 Image-Signal-Process Clock Driver + * + * Copyright (C) 2022-2023 StarFive Technology Co., Ltd. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> + +#include <dt-bindings/clock/starfive,jh7110-crg.h> + +#include "clk-starfive-jh7110.h" + +/* external clocks */ +#define JH7110_ISPCLK_ISP_TOP_CORE (JH7110_ISPCLK_END + 0) +#define JH7110_ISPCLK_ISP_TOP_AXI (JH7110_ISPCLK_END + 1) +#define JH7110_ISPCLK_NOC_BUS_ISP_AXI (JH7110_ISPCLK_END + 2) +#define JH7110_ISPCLK_DVP_CLK (JH7110_ISPCLK_END + 3) +#define JH7110_ISPCLK_EXT_END (JH7110_ISPCLK_END + 4) + +static struct clk_bulk_data jh7110_isp_top_clks[] = { + { .id = "isp_top_core" }, + { .id = "isp_top_axi" } +}; + +static const struct jh71x0_clk_data jh7110_ispclk_data[] = { + /* syscon */ + JH71X0__DIV(JH7110_ISPCLK_DOM4_APB_FUNC, "dom4_apb_func", 15, + JH7110_ISPCLK_ISP_TOP_AXI), + JH71X0__DIV(JH7110_ISPCLK_MIPI_RX0_PXL, "mipi_rx0_pxl", 8, + JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0__INV(JH7110_ISPCLK_DVP_INV, "dvp_inv", JH7110_ISPCLK_DVP_CLK), + /* vin */ + JH71X0__DIV(JH7110_ISPCLK_M31DPHY_CFG_IN, "m31dphy_cfg_in", 16, + JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0__DIV(JH7110_ISPCLK_M31DPHY_REF_IN, "m31dphy_ref_in", 16, + JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0__DIV(JH7110_ISPCLK_M31DPHY_TX_ESC_LAN0, "m31dphy_tx_esc_lan0", 60, + JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0_GATE(JH7110_ISPCLK_VIN_APB, "vin_apb", 0, + JH7110_ISPCLK_DOM4_APB_FUNC), + JH71X0__DIV(JH7110_ISPCLK_VIN_SYS, "vin_sys", 8, JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF0, "vin_pixel_if0", 0, + JH7110_ISPCLK_MIPI_RX0_PXL), + JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF1, "vin_pixel_if1", 0, + JH7110_ISPCLK_MIPI_RX0_PXL), + JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF2, "vin_pixel_if2", 0, + JH7110_ISPCLK_MIPI_RX0_PXL), + JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF3, "vin_pixel_if3", 0, + JH7110_ISPCLK_MIPI_RX0_PXL), + JH71X0__MUX(JH7110_ISPCLK_VIN_P_AXI_WR, "vin_p_axi_wr", 2, + JH7110_ISPCLK_MIPI_RX0_PXL, + JH7110_ISPCLK_DVP_INV), + /* ispv2_top_wrapper */ + JH71X0_GMUX(JH7110_ISPCLK_ISPV2_TOP_WRAPPER_C, "ispv2_top_wrapper_c", 0, 2, + JH7110_ISPCLK_MIPI_RX0_PXL, + JH7110_ISPCLK_DVP_INV), +}; + +static inline int jh7110_isp_top_rst_init(struct jh71x0_clk_priv *priv) +{ + struct reset_control *top_rsts; + + /* The resets should be shared and other ISP modules will use its. */ + top_rsts = devm_reset_control_array_get_shared(priv->dev); + if (IS_ERR(top_rsts)) + return dev_err_probe(priv->dev, PTR_ERR(top_rsts), + "failed to get top resets\n"); + + return reset_control_deassert(top_rsts); +} + +static struct clk_hw *jh7110_ispclk_get(struct of_phandle_args *clkspec, void *data) +{ + struct jh71x0_clk_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH7110_ISPCLK_END) + return &priv->reg[idx].hw; + + return ERR_PTR(-EINVAL); +} + +#ifdef CONFIG_PM +static int jh7110_ispcrg_suspend(struct device *dev) +{ + struct jh7110_top_sysclk *top = dev_get_drvdata(dev); + + clk_bulk_disable_unprepare(top->top_clks_num, top->top_clks); + + return 0; +} + +static int jh7110_ispcrg_resume(struct device *dev) +{ + struct jh7110_top_sysclk *top = dev_get_drvdata(dev); + + return clk_bulk_prepare_enable(top->top_clks_num, top->top_clks); +} + +static const struct dev_pm_ops jh7110_ispcrg_pm_ops = { + RUNTIME_PM_OPS(jh7110_ispcrg_suspend, jh7110_ispcrg_resume, NULL) +}; +#endif + +static int jh7110_ispcrg_probe(struct platform_device *pdev) +{ + struct jh71x0_clk_priv *priv; + struct jh7110_top_sysclk *top; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, + struct_size(priv, reg, JH7110_ISPCLK_END), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + top = devm_kzalloc(&pdev->dev, sizeof(*top), GFP_KERNEL); + if (!top) + return -ENOMEM; + + spin_lock_init(&priv->rmw_lock); + priv->dev = &pdev->dev; + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + top->top_clks = jh7110_isp_top_clks; + top->top_clks_num = ARRAY_SIZE(jh7110_isp_top_clks); + ret = devm_clk_bulk_get(priv->dev, top->top_clks_num, top->top_clks); + if (ret) + return dev_err_probe(priv->dev, ret, "failed to get main clocks\n"); + dev_set_drvdata(priv->dev, top); + + /* enable power domain and clocks */ + pm_runtime_enable(priv->dev); + ret = pm_runtime_get_sync(priv->dev); + if (ret < 0) + return dev_err_probe(priv->dev, ret, "failed to turn on power\n"); + + ret = jh7110_isp_top_rst_init(priv); + if (ret) + goto err_exit; + + for (idx = 0; idx < JH7110_ISPCLK_END; idx++) { + u32 max = jh7110_ispclk_data[idx].max; + struct clk_parent_data parents[4] = {}; + struct clk_init_data init = { + .name = jh7110_ispclk_data[idx].name, + .ops = starfive_jh71x0_clk_ops(max), + .parent_data = parents, + .num_parents = + ((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1, + .flags = jh7110_ispclk_data[idx].flags, + }; + struct jh71x0_clk *clk = &priv->reg[idx]; + unsigned int i; + const char *fw_name[JH7110_ISPCLK_EXT_END - JH7110_ISPCLK_END] = { + "isp_top_core", + "isp_top_axi", + "noc_bus_isp_axi", + "dvp_clk" + }; + + for (i = 0; i < init.num_parents; i++) { + unsigned int pidx = jh7110_ispclk_data[idx].parents[i]; + + if (pidx < JH7110_ISPCLK_END) + parents[i].hw = &priv->reg[pidx].hw; + else + parents[i].fw_name = fw_name[pidx - JH7110_ISPCLK_END]; + } + + clk->hw.init = &init; + clk->idx = idx; + clk->max_div = max & JH71X0_CLK_DIV_MASK; + + ret = devm_clk_hw_register(&pdev->dev, &clk->hw); + if (ret) + goto err_exit; + } + + ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_ispclk_get, priv); + if (ret) + goto err_exit; + + ret = jh7110_reset_controller_register(priv, "rst-isp", 3); + if (ret) + goto err_exit; + + return 0; + +err_exit: + pm_runtime_put_sync(priv->dev); + pm_runtime_disable(priv->dev); + return ret; +} + +static int jh7110_ispcrg_remove(struct platform_device *pdev) +{ + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + + return 0; +} + +static const struct of_device_id jh7110_ispcrg_match[] = { + { .compatible = "starfive,jh7110-ispcrg" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jh7110_ispcrg_match); + +static struct platform_driver jh7110_ispcrg_driver = { + .probe = jh7110_ispcrg_probe, + .remove = jh7110_ispcrg_remove, + .driver = { + .name = "clk-starfive-jh7110-isp", + .of_match_table = jh7110_ispcrg_match, + .pm = pm_ptr(&jh7110_ispcrg_pm_ops), + }, +}; +module_platform_driver(jh7110_ispcrg_driver); + +MODULE_AUTHOR("Xingyu Wu <xingyu.wu@starfivetech.com>"); +MODULE_DESCRIPTION("StarFive JH7110 Image-Signal-Process clock driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/starfive/clk-starfive-jh7110-pll.c b/drivers/clk/starfive/clk-starfive-jh7110-pll.c new file mode 100644 index 000000000000..3598390e8fd0 --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh7110-pll.c @@ -0,0 +1,507 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH7110 PLL Clock Generator Driver + * + * Copyright (C) 2023 StarFive Technology Co., Ltd. + * Copyright (C) 2023 Emil Renner Berthing <emil.renner.berthing@canonical.com> + * + * This driver is about to register JH7110 PLL clock generator and support ops. + * The JH7110 have three PLL clock, PLL0, PLL1 and PLL2. + * Each PLL clocks work in integer mode or fraction mode by some dividers, + * and the configuration registers and dividers are set in several syscon registers. + * The formula for calculating frequency is: + * Fvco = Fref * (NI + NF) / M / Q1 + * Fref: OSC source clock rate + * NI: integer frequency dividing ratio of feedback divider, set by fbdiv[11:0]. + * NF: fractional frequency dividing ratio, set by frac[23:0]. NF = frac[23:0] / 2^24 = 0 ~ 0.999. + * M: frequency dividing ratio of pre-divider, set by prediv[5:0]. + * Q1: frequency dividing ratio of post divider, set by 2^postdiv1[1:0], eg. 1, 2, 4 or 8. + */ + +#include <linux/bits.h> +#include <linux/clk-provider.h> +#include <linux/debugfs.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/mfd/syscon.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#include <dt-bindings/clock/starfive,jh7110-crg.h> + +/* this driver expects a 24MHz input frequency from the oscillator */ +#define JH7110_PLL_OSC_RATE 24000000UL + +#define JH7110_PLL0_PD_OFFSET 0x18 +#define JH7110_PLL0_DACPD_SHIFT 24 +#define JH7110_PLL0_DACPD_MASK BIT(24) +#define JH7110_PLL0_DSMPD_SHIFT 25 +#define JH7110_PLL0_DSMPD_MASK BIT(25) +#define JH7110_PLL0_FBDIV_OFFSET 0x1c +#define JH7110_PLL0_FBDIV_SHIFT 0 +#define JH7110_PLL0_FBDIV_MASK GENMASK(11, 0) +#define JH7110_PLL0_FRAC_OFFSET 0x20 +#define JH7110_PLL0_PREDIV_OFFSET 0x24 + +#define JH7110_PLL1_PD_OFFSET 0x24 +#define JH7110_PLL1_DACPD_SHIFT 15 +#define JH7110_PLL1_DACPD_MASK BIT(15) +#define JH7110_PLL1_DSMPD_SHIFT 16 +#define JH7110_PLL1_DSMPD_MASK BIT(16) +#define JH7110_PLL1_FBDIV_OFFSET 0x24 +#define JH7110_PLL1_FBDIV_SHIFT 17 +#define JH7110_PLL1_FBDIV_MASK GENMASK(28, 17) +#define JH7110_PLL1_FRAC_OFFSET 0x28 +#define JH7110_PLL1_PREDIV_OFFSET 0x2c + +#define JH7110_PLL2_PD_OFFSET 0x2c +#define JH7110_PLL2_DACPD_SHIFT 15 +#define JH7110_PLL2_DACPD_MASK BIT(15) +#define JH7110_PLL2_DSMPD_SHIFT 16 +#define JH7110_PLL2_DSMPD_MASK BIT(16) +#define JH7110_PLL2_FBDIV_OFFSET 0x2c +#define JH7110_PLL2_FBDIV_SHIFT 17 +#define JH7110_PLL2_FBDIV_MASK GENMASK(28, 17) +#define JH7110_PLL2_FRAC_OFFSET 0x30 +#define JH7110_PLL2_PREDIV_OFFSET 0x34 + +#define JH7110_PLL_FRAC_SHIFT 0 +#define JH7110_PLL_FRAC_MASK GENMASK(23, 0) +#define JH7110_PLL_POSTDIV1_SHIFT 28 +#define JH7110_PLL_POSTDIV1_MASK GENMASK(29, 28) +#define JH7110_PLL_PREDIV_SHIFT 0 +#define JH7110_PLL_PREDIV_MASK GENMASK(5, 0) + +enum jh7110_pll_mode { + JH7110_PLL_MODE_FRACTION, + JH7110_PLL_MODE_INTEGER, +}; + +struct jh7110_pll_preset { + unsigned long freq; + u32 frac; /* frac value should be decimals multiplied by 2^24 */ + unsigned fbdiv : 12; /* fbdiv value should be 8 to 4095 */ + unsigned prediv : 6; + unsigned postdiv1 : 2; + unsigned mode : 1; +}; + +struct jh7110_pll_info { + char *name; + const struct jh7110_pll_preset *presets; + unsigned int npresets; + struct { + unsigned int pd; + unsigned int fbdiv; + unsigned int frac; + unsigned int prediv; + } offsets; + struct { + u32 dacpd; + u32 dsmpd; + u32 fbdiv; + } masks; + struct { + char dacpd; + char dsmpd; + char fbdiv; + } shifts; +}; + +#define _JH7110_PLL(_idx, _name, _presets) \ + [_idx] = { \ + .name = _name, \ + .presets = _presets, \ + .npresets = ARRAY_SIZE(_presets), \ + .offsets = { \ + .pd = JH7110_PLL##_idx##_PD_OFFSET, \ + .fbdiv = JH7110_PLL##_idx##_FBDIV_OFFSET, \ + .frac = JH7110_PLL##_idx##_FRAC_OFFSET, \ + .prediv = JH7110_PLL##_idx##_PREDIV_OFFSET, \ + }, \ + .masks = { \ + .dacpd = JH7110_PLL##_idx##_DACPD_MASK, \ + .dsmpd = JH7110_PLL##_idx##_DSMPD_MASK, \ + .fbdiv = JH7110_PLL##_idx##_FBDIV_MASK, \ + }, \ + .shifts = { \ + .dacpd = JH7110_PLL##_idx##_DACPD_SHIFT, \ + .dsmpd = JH7110_PLL##_idx##_DSMPD_SHIFT, \ + .fbdiv = JH7110_PLL##_idx##_FBDIV_SHIFT, \ + }, \ + } +#define JH7110_PLL(idx, name, presets) _JH7110_PLL(idx, name, presets) + +struct jh7110_pll_data { + struct clk_hw hw; + unsigned int idx; +}; + +struct jh7110_pll_priv { + struct device *dev; + struct regmap *regmap; + struct jh7110_pll_data pll[JH7110_PLLCLK_END]; +}; + +struct jh7110_pll_regvals { + u32 dacpd; + u32 dsmpd; + u32 fbdiv; + u32 frac; + u32 postdiv1; + u32 prediv; +}; + +/* + * Because the pll frequency is relatively fixed, + * it cannot be set arbitrarily, so it needs a specific configuration. + * PLL0 frequency should be multiple of 125MHz (USB frequency). + */ +static const struct jh7110_pll_preset jh7110_pll0_presets[] = { + { + .freq = 375000000, + .fbdiv = 125, + .prediv = 8, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 500000000, + .fbdiv = 125, + .prediv = 6, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 625000000, + .fbdiv = 625, + .prediv = 24, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 750000000, + .fbdiv = 125, + .prediv = 4, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 875000000, + .fbdiv = 875, + .prediv = 24, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1000000000, + .fbdiv = 125, + .prediv = 3, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1250000000, + .fbdiv = 625, + .prediv = 12, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1375000000, + .fbdiv = 1375, + .prediv = 24, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1500000000, + .fbdiv = 125, + .prediv = 2, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, +}; + +static const struct jh7110_pll_preset jh7110_pll1_presets[] = { + { + .freq = 1066000000, + .fbdiv = 533, + .prediv = 12, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1200000000, + .fbdiv = 50, + .prediv = 1, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1400000000, + .fbdiv = 350, + .prediv = 6, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1600000000, + .fbdiv = 200, + .prediv = 3, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, +}; + +static const struct jh7110_pll_preset jh7110_pll2_presets[] = { + { + .freq = 1188000000, + .fbdiv = 99, + .prediv = 2, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1228800000, + .fbdiv = 256, + .prediv = 5, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, +}; + +static const struct jh7110_pll_info jh7110_plls[JH7110_PLLCLK_END] = { + JH7110_PLL(JH7110_PLLCLK_PLL0_OUT, "pll0_out", jh7110_pll0_presets), + JH7110_PLL(JH7110_PLLCLK_PLL1_OUT, "pll1_out", jh7110_pll1_presets), + JH7110_PLL(JH7110_PLLCLK_PLL2_OUT, "pll2_out", jh7110_pll2_presets), +}; + +static struct jh7110_pll_data *jh7110_pll_data_from(struct clk_hw *hw) +{ + return container_of(hw, struct jh7110_pll_data, hw); +} + +static struct jh7110_pll_priv *jh7110_pll_priv_from(struct jh7110_pll_data *pll) +{ + return container_of(pll, struct jh7110_pll_priv, pll[pll->idx]); +} + +static void jh7110_pll_regvals_get(struct regmap *regmap, + const struct jh7110_pll_info *info, + struct jh7110_pll_regvals *ret) +{ + u32 val; + + regmap_read(regmap, info->offsets.pd, &val); + ret->dacpd = (val & info->masks.dacpd) >> info->shifts.dacpd; + ret->dsmpd = (val & info->masks.dsmpd) >> info->shifts.dsmpd; + + regmap_read(regmap, info->offsets.fbdiv, &val); + ret->fbdiv = (val & info->masks.fbdiv) >> info->shifts.fbdiv; + + regmap_read(regmap, info->offsets.frac, &val); + ret->frac = (val & JH7110_PLL_FRAC_MASK) >> JH7110_PLL_FRAC_SHIFT; + ret->postdiv1 = (val & JH7110_PLL_POSTDIV1_MASK) >> JH7110_PLL_POSTDIV1_SHIFT; + + regmap_read(regmap, info->offsets.prediv, &val); + ret->prediv = (val & JH7110_PLL_PREDIV_MASK) >> JH7110_PLL_PREDIV_SHIFT; +} + +static unsigned long jh7110_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) +{ + struct jh7110_pll_data *pll = jh7110_pll_data_from(hw); + struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll); + struct jh7110_pll_regvals val; + unsigned long rate; + + jh7110_pll_regvals_get(priv->regmap, &jh7110_plls[pll->idx], &val); + + /* + * dacpd = dsmpd = 0: fraction mode + * dacpd = dsmpd = 1: integer mode, frac value ignored + * + * rate = parent * (fbdiv + frac/2^24) / prediv / 2^postdiv1 + * = (parent * fbdiv + parent * frac / 2^24) / (prediv * 2^postdiv1) + */ + if (val.dacpd == 0 && val.dsmpd == 0) + rate = parent_rate * val.frac / (1UL << 24); + else if (val.dacpd == 1 && val.dsmpd == 1) + rate = 0; + else + return 0; + + rate += parent_rate * val.fbdiv; + rate /= val.prediv << val.postdiv1; + + return rate; +} + +static int jh7110_pll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) +{ + struct jh7110_pll_data *pll = jh7110_pll_data_from(hw); + const struct jh7110_pll_info *info = &jh7110_plls[pll->idx]; + const struct jh7110_pll_preset *selected = &info->presets[0]; + unsigned int idx; + + /* if the parent rate doesn't match our expectations the presets won't work */ + if (req->best_parent_rate != JH7110_PLL_OSC_RATE) { + req->rate = jh7110_pll_recalc_rate(hw, req->best_parent_rate); + return 0; + } + + /* find highest rate lower or equal to the requested rate */ + for (idx = 1; idx < info->npresets; idx++) { + const struct jh7110_pll_preset *val = &info->presets[idx]; + + if (req->rate < val->freq) + break; + + selected = val; + } + + req->rate = selected->freq; + return 0; +} + +static int jh7110_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct jh7110_pll_data *pll = jh7110_pll_data_from(hw); + struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll); + const struct jh7110_pll_info *info = &jh7110_plls[pll->idx]; + const struct jh7110_pll_preset *val; + unsigned int idx; + + /* if the parent rate doesn't match our expectations the presets won't work */ + if (parent_rate != JH7110_PLL_OSC_RATE) + return -EINVAL; + + for (idx = 0, val = &info->presets[0]; idx < info->npresets; idx++, val++) { + if (val->freq == rate) + goto found; + } + return -EINVAL; + +found: + if (val->mode == JH7110_PLL_MODE_FRACTION) + regmap_update_bits(priv->regmap, info->offsets.frac, JH7110_PLL_FRAC_MASK, + val->frac << JH7110_PLL_FRAC_SHIFT); + + regmap_update_bits(priv->regmap, info->offsets.pd, info->masks.dacpd, + (u32)val->mode << info->shifts.dacpd); + regmap_update_bits(priv->regmap, info->offsets.pd, info->masks.dsmpd, + (u32)val->mode << info->shifts.dsmpd); + regmap_update_bits(priv->regmap, info->offsets.prediv, JH7110_PLL_PREDIV_MASK, + (u32)val->prediv << JH7110_PLL_PREDIV_SHIFT); + regmap_update_bits(priv->regmap, info->offsets.fbdiv, info->masks.fbdiv, + val->fbdiv << info->shifts.fbdiv); + regmap_update_bits(priv->regmap, info->offsets.frac, JH7110_PLL_POSTDIV1_MASK, + (u32)val->postdiv1 << JH7110_PLL_POSTDIV1_SHIFT); + + return 0; +} + +#ifdef CONFIG_DEBUG_FS +static int jh7110_pll_registers_read(struct seq_file *s, void *unused) +{ + struct jh7110_pll_data *pll = s->private; + struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll); + struct jh7110_pll_regvals val; + + jh7110_pll_regvals_get(priv->regmap, &jh7110_plls[pll->idx], &val); + + seq_printf(s, "fbdiv=%u\n" + "frac=%u\n" + "prediv=%u\n" + "postdiv1=%u\n" + "dacpd=%u\n" + "dsmpd=%u\n", + val.fbdiv, val.frac, val.prediv, val.postdiv1, + val.dacpd, val.dsmpd); + + return 0; +} + +static int jh7110_pll_registers_open(struct inode *inode, struct file *f) +{ + return single_open(f, jh7110_pll_registers_read, inode->i_private); +} + +static const struct file_operations jh7110_pll_registers_ops = { + .owner = THIS_MODULE, + .open = jh7110_pll_registers_open, + .release = single_release, + .read = seq_read, + .llseek = seq_lseek +}; + +static void jh7110_pll_debug_init(struct clk_hw *hw, struct dentry *dentry) +{ + struct jh7110_pll_data *pll = jh7110_pll_data_from(hw); + + debugfs_create_file("registers", 0400, dentry, pll, + &jh7110_pll_registers_ops); +} +#else +#define jh7110_pll_debug_init NULL +#endif + +static const struct clk_ops jh7110_pll_ops = { + .recalc_rate = jh7110_pll_recalc_rate, + .determine_rate = jh7110_pll_determine_rate, + .set_rate = jh7110_pll_set_rate, + .debug_init = jh7110_pll_debug_init, +}; + +static struct clk_hw *jh7110_pll_get(struct of_phandle_args *clkspec, void *data) +{ + struct jh7110_pll_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH7110_PLLCLK_END) + return &priv->pll[idx].hw; + + return ERR_PTR(-EINVAL); +} + +static int jh7110_pll_probe(struct platform_device *pdev) +{ + struct jh7110_pll_priv *priv; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->dev = &pdev->dev; + priv->regmap = syscon_node_to_regmap(priv->dev->of_node->parent); + if (IS_ERR(priv->regmap)) + return PTR_ERR(priv->regmap); + + for (idx = 0; idx < JH7110_PLLCLK_END; idx++) { + struct clk_parent_data parents = { + .index = 0, + }; + struct clk_init_data init = { + .name = jh7110_plls[idx].name, + .ops = &jh7110_pll_ops, + .parent_data = &parents, + .num_parents = 1, + .flags = 0, + }; + struct jh7110_pll_data *pll = &priv->pll[idx]; + + pll->hw.init = &init; + pll->idx = idx; + + ret = devm_clk_hw_register(&pdev->dev, &pll->hw); + if (ret) + return ret; + } + + return devm_of_clk_add_hw_provider(&pdev->dev, jh7110_pll_get, priv); +} + +static const struct of_device_id jh7110_pll_match[] = { + { .compatible = "starfive,jh7110-pll" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jh7110_pll_match); + +static struct platform_driver jh7110_pll_driver = { + .driver = { + .name = "clk-starfive-jh7110-pll", + .of_match_table = jh7110_pll_match, + }, +}; +builtin_platform_driver_probe(jh7110_pll_driver, jh7110_pll_probe); diff --git a/drivers/clk/starfive/clk-starfive-jh7110-stg.c b/drivers/clk/starfive/clk-starfive-jh7110-stg.c new file mode 100644 index 000000000000..dafcb7190592 --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh7110-stg.c @@ -0,0 +1,173 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH7110 System-Top-Group Clock Driver + * + * Copyright (C) 2022 Emil Renner Berthing <kernel@esmil.dk> + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +#include <linux/clk-provider.h> +#include <linux/io.h> +#include <linux/platform_device.h> + +#include <dt-bindings/clock/starfive,jh7110-crg.h> + +#include "clk-starfive-jh7110.h" + +/* external clocks */ +#define JH7110_STGCLK_OSC (JH7110_STGCLK_END + 0) +#define JH7110_STGCLK_HIFI4_CORE (JH7110_STGCLK_END + 1) +#define JH7110_STGCLK_STG_AXIAHB (JH7110_STGCLK_END + 2) +#define JH7110_STGCLK_USB_125M (JH7110_STGCLK_END + 3) +#define JH7110_STGCLK_CPU_BUS (JH7110_STGCLK_END + 4) +#define JH7110_STGCLK_HIFI4_AXI (JH7110_STGCLK_END + 5) +#define JH7110_STGCLK_NOCSTG_BUS (JH7110_STGCLK_END + 6) +#define JH7110_STGCLK_APB_BUS (JH7110_STGCLK_END + 7) +#define JH7110_STGCLK_EXT_END (JH7110_STGCLK_END + 8) + +static const struct jh71x0_clk_data jh7110_stgclk_data[] = { + /* hifi4 */ + JH71X0_GATE(JH7110_STGCLK_HIFI4_CLK_CORE, "hifi4_clk_core", 0, + JH7110_STGCLK_HIFI4_CORE), + /* usb */ + JH71X0_GATE(JH7110_STGCLK_USB0_APB, "usb0_apb", 0, JH7110_STGCLK_APB_BUS), + JH71X0_GATE(JH7110_STGCLK_USB0_UTMI_APB, "usb0_utmi_apb", 0, JH7110_STGCLK_APB_BUS), + JH71X0_GATE(JH7110_STGCLK_USB0_AXI, "usb0_axi", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GDIV(JH7110_STGCLK_USB0_LPM, "usb0_lpm", 0, 2, JH7110_STGCLK_OSC), + JH71X0_GDIV(JH7110_STGCLK_USB0_STB, "usb0_stb", 0, 4, JH7110_STGCLK_OSC), + JH71X0_GATE(JH7110_STGCLK_USB0_APP_125, "usb0_app_125", 0, JH7110_STGCLK_USB_125M), + JH71X0__DIV(JH7110_STGCLK_USB0_REFCLK, "usb0_refclk", 2, JH7110_STGCLK_OSC), + /* pci-e */ + JH71X0_GATE(JH7110_STGCLK_PCIE0_AXI_MST0, "pcie0_axi_mst0", 0, + JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_PCIE0_APB, "pcie0_apb", 0, JH7110_STGCLK_APB_BUS), + JH71X0_GATE(JH7110_STGCLK_PCIE0_TL, "pcie0_tl", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_PCIE1_AXI_MST0, "pcie1_axi_mst0", 0, + JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_PCIE1_APB, "pcie1_apb", 0, JH7110_STGCLK_APB_BUS), + JH71X0_GATE(JH7110_STGCLK_PCIE1_TL, "pcie1_tl", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_PCIE_SLV_MAIN, "pcie_slv_main", CLK_IS_CRITICAL, + JH7110_STGCLK_STG_AXIAHB), + /* security */ + JH71X0_GATE(JH7110_STGCLK_SEC_AHB, "sec_ahb", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_SEC_MISC_AHB, "sec_misc_ahb", 0, JH7110_STGCLK_STG_AXIAHB), + /* stg mtrx */ + JH71X0_GATE(JH7110_STGCLK_GRP0_MAIN, "mtrx_grp0_main", CLK_IS_CRITICAL, + JH7110_STGCLK_CPU_BUS), + JH71X0_GATE(JH7110_STGCLK_GRP0_BUS, "mtrx_grp0_bus", CLK_IS_CRITICAL, + JH7110_STGCLK_NOCSTG_BUS), + JH71X0_GATE(JH7110_STGCLK_GRP0_STG, "mtrx_grp0_stg", CLK_IS_CRITICAL, + JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_GRP1_MAIN, "mtrx_grp1_main", CLK_IS_CRITICAL, + JH7110_STGCLK_CPU_BUS), + JH71X0_GATE(JH7110_STGCLK_GRP1_BUS, "mtrx_grp1_bus", CLK_IS_CRITICAL, + JH7110_STGCLK_NOCSTG_BUS), + JH71X0_GATE(JH7110_STGCLK_GRP1_STG, "mtrx_grp1_stg", CLK_IS_CRITICAL, + JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_GRP1_HIFI, "mtrx_grp1_hifi", CLK_IS_CRITICAL, + JH7110_STGCLK_HIFI4_AXI), + /* e24_rvpi */ + JH71X0_GDIV(JH7110_STGCLK_E2_RTC, "e2_rtc", 0, 24, JH7110_STGCLK_OSC), + JH71X0_GATE(JH7110_STGCLK_E2_CORE, "e2_core", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_E2_DBG, "e2_dbg", 0, JH7110_STGCLK_STG_AXIAHB), + /* dw_sgdma1p */ + JH71X0_GATE(JH7110_STGCLK_DMA1P_AXI, "dma1p_axi", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_DMA1P_AHB, "dma1p_ahb", 0, JH7110_STGCLK_STG_AXIAHB), +}; + +static struct clk_hw *jh7110_stgclk_get(struct of_phandle_args *clkspec, void *data) +{ + struct jh71x0_clk_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH7110_STGCLK_END) + return &priv->reg[idx].hw; + + return ERR_PTR(-EINVAL); +} + +static int jh7110_stgcrg_probe(struct platform_device *pdev) +{ + struct jh71x0_clk_priv *priv; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, struct_size(priv, reg, JH7110_STGCLK_END), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + spin_lock_init(&priv->rmw_lock); + priv->dev = &pdev->dev; + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + for (idx = 0; idx < JH7110_STGCLK_END; idx++) { + u32 max = jh7110_stgclk_data[idx].max; + struct clk_parent_data parents[4] = {}; + struct clk_init_data init = { + .name = jh7110_stgclk_data[idx].name, + .ops = starfive_jh71x0_clk_ops(max), + .parent_data = parents, + .num_parents = + ((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1, + .flags = jh7110_stgclk_data[idx].flags, + }; + struct jh71x0_clk *clk = &priv->reg[idx]; + const char *fw_name[JH7110_STGCLK_EXT_END - JH7110_STGCLK_END] = { + "osc", + "hifi4_core", + "stg_axiahb", + "usb_125m", + "cpu_bus", + "hifi4_axi", + "nocstg_bus", + "apb_bus" + }; + unsigned int i; + + for (i = 0; i < init.num_parents; i++) { + unsigned int pidx = jh7110_stgclk_data[idx].parents[i]; + + if (pidx < JH7110_STGCLK_END) + parents[i].hw = &priv->reg[pidx].hw; + else if (pidx < JH7110_STGCLK_EXT_END) + parents[i].fw_name = fw_name[pidx - JH7110_STGCLK_END]; + } + + clk->hw.init = &init; + clk->idx = idx; + clk->max_div = max & JH71X0_CLK_DIV_MASK; + + ret = devm_clk_hw_register(&pdev->dev, &clk->hw); + if (ret) + return ret; + } + + ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_stgclk_get, priv); + if (ret) + return ret; + + return jh7110_reset_controller_register(priv, "rst-stg", 2); +} + +static const struct of_device_id jh7110_stgcrg_match[] = { + { .compatible = "starfive,jh7110-stgcrg" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jh7110_stgcrg_match); + +static struct platform_driver jh7110_stgcrg_driver = { + .probe = jh7110_stgcrg_probe, + .driver = { + .name = "clk-starfive-jh7110-stg", + .of_match_table = jh7110_stgcrg_match, + }, +}; +module_platform_driver(jh7110_stgcrg_driver); + +MODULE_AUTHOR("Xingyu Wu <xingyu.wu@starfivetech.com>"); +MODULE_AUTHOR("Emil Renner Berthing <kernel@esmil.dk>"); +MODULE_DESCRIPTION("StarFive JH7110 System-Top-Group clock driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/starfive/clk-starfive-jh7110-sys.c b/drivers/clk/starfive/clk-starfive-jh7110-sys.c index e6031345ef05..3884eff9fe93 100644 --- a/drivers/clk/starfive/clk-starfive-jh7110-sys.c +++ b/drivers/clk/starfive/clk-starfive-jh7110-sys.c @@ -7,6 +7,7 @@ */ #include <linux/auxiliary_bus.h> +#include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/init.h> #include <linux/io.h> @@ -389,6 +390,7 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev) struct jh71x0_clk_priv *priv; unsigned int idx; int ret; + struct clk *pllclk; priv = devm_kzalloc(&pdev->dev, struct_size(priv, reg, JH7110_SYSCLK_END), @@ -402,28 +404,42 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev) if (IS_ERR(priv->base)) return PTR_ERR(priv->base); - /* - * These PLL clocks are not actually fixed factor clocks and can be - * controlled by the syscon registers of JH7110. They will be dropped - * and registered in the PLL clock driver instead. - */ - /* 24MHz -> 1000.0MHz */ - priv->pll[0] = devm_clk_hw_register_fixed_factor(priv->dev, "pll0_out", - "osc", 0, 125, 3); - if (IS_ERR(priv->pll[0])) - return PTR_ERR(priv->pll[0]); - - /* 24MHz -> 1066.0MHz */ - priv->pll[1] = devm_clk_hw_register_fixed_factor(priv->dev, "pll1_out", - "osc", 0, 533, 12); - if (IS_ERR(priv->pll[1])) - return PTR_ERR(priv->pll[1]); - - /* 24MHz -> 1188.0MHz */ - priv->pll[2] = devm_clk_hw_register_fixed_factor(priv->dev, "pll2_out", - "osc", 0, 99, 2); - if (IS_ERR(priv->pll[2])) - return PTR_ERR(priv->pll[2]); + /* Use fixed factor clocks if can not get the PLL clocks from DTS */ + pllclk = clk_get(priv->dev, "pll0_out"); + if (IS_ERR(pllclk)) { + /* 24MHz -> 1000.0MHz */ + priv->pll[0] = devm_clk_hw_register_fixed_factor(priv->dev, "pll0_out", + "osc", 0, 125, 3); + if (IS_ERR(priv->pll[0])) + return PTR_ERR(priv->pll[0]); + } else { + clk_put(pllclk); + priv->pll[0] = NULL; + } + + pllclk = clk_get(priv->dev, "pll1_out"); + if (IS_ERR(pllclk)) { + /* 24MHz -> 1066.0MHz */ + priv->pll[1] = devm_clk_hw_register_fixed_factor(priv->dev, "pll1_out", + "osc", 0, 533, 12); + if (IS_ERR(priv->pll[1])) + return PTR_ERR(priv->pll[1]); + } else { + clk_put(pllclk); + priv->pll[1] = NULL; + } + + pllclk = clk_get(priv->dev, "pll2_out"); + if (IS_ERR(pllclk)) { + /* 24MHz -> 1188.0MHz */ + priv->pll[2] = devm_clk_hw_register_fixed_factor(priv->dev, "pll2_out", + "osc", 0, 99, 2); + if (IS_ERR(priv->pll[2])) + return PTR_ERR(priv->pll[2]); + } else { + clk_put(pllclk); + priv->pll[2] = NULL; + } for (idx = 0; idx < JH7110_SYSCLK_END; idx++) { u32 max = jh7110_sysclk_data[idx].max; @@ -462,6 +478,12 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev) parents[i].fw_name = "tdm_ext"; else if (pidx == JH7110_SYSCLK_MCLK_EXT) parents[i].fw_name = "mclk_ext"; + else if (pidx == JH7110_SYSCLK_PLL0_OUT && !priv->pll[0]) + parents[i].fw_name = "pll0_out"; + else if (pidx == JH7110_SYSCLK_PLL1_OUT && !priv->pll[1]) + parents[i].fw_name = "pll1_out"; + else if (pidx == JH7110_SYSCLK_PLL2_OUT && !priv->pll[2]) + parents[i].fw_name = "pll2_out"; else parents[i].hw = priv->pll[pidx - JH7110_SYSCLK_PLL0_OUT]; } diff --git a/drivers/clk/starfive/clk-starfive-jh7110-vout.c b/drivers/clk/starfive/clk-starfive-jh7110-vout.c new file mode 100644 index 000000000000..10cc1ec43925 --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh7110-vout.c @@ -0,0 +1,239 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH7110 Video-Output Clock Driver + * + * Copyright (C) 2022-2023 StarFive Technology Co., Ltd. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> + +#include <dt-bindings/clock/starfive,jh7110-crg.h> + +#include "clk-starfive-jh7110.h" + +/* external clocks */ +#define JH7110_VOUTCLK_VOUT_SRC (JH7110_VOUTCLK_END + 0) +#define JH7110_VOUTCLK_VOUT_TOP_AHB (JH7110_VOUTCLK_END + 1) +#define JH7110_VOUTCLK_VOUT_TOP_AXI (JH7110_VOUTCLK_END + 2) +#define JH7110_VOUTCLK_VOUT_TOP_HDMITX0_MCLK (JH7110_VOUTCLK_END + 3) +#define JH7110_VOUTCLK_I2STX0_BCLK (JH7110_VOUTCLK_END + 4) +#define JH7110_VOUTCLK_HDMITX0_PIXELCLK (JH7110_VOUTCLK_END + 5) +#define JH7110_VOUTCLK_EXT_END (JH7110_VOUTCLK_END + 6) + +static struct clk_bulk_data jh7110_vout_top_clks[] = { + { .id = "vout_src" }, + { .id = "vout_top_ahb" } +}; + +static const struct jh71x0_clk_data jh7110_voutclk_data[] = { + /* divider */ + JH71X0__DIV(JH7110_VOUTCLK_APB, "apb", 8, JH7110_VOUTCLK_VOUT_TOP_AHB), + JH71X0__DIV(JH7110_VOUTCLK_DC8200_PIX, "dc8200_pix", 63, JH7110_VOUTCLK_VOUT_SRC), + JH71X0__DIV(JH7110_VOUTCLK_DSI_SYS, "dsi_sys", 31, JH7110_VOUTCLK_VOUT_SRC), + JH71X0__DIV(JH7110_VOUTCLK_TX_ESC, "tx_esc", 31, JH7110_VOUTCLK_VOUT_TOP_AHB), + /* dc8200 */ + JH71X0_GATE(JH7110_VOUTCLK_DC8200_AXI, "dc8200_axi", 0, JH7110_VOUTCLK_VOUT_TOP_AXI), + JH71X0_GATE(JH7110_VOUTCLK_DC8200_CORE, "dc8200_core", 0, JH7110_VOUTCLK_VOUT_TOP_AXI), + JH71X0_GATE(JH7110_VOUTCLK_DC8200_AHB, "dc8200_ahb", 0, JH7110_VOUTCLK_VOUT_TOP_AHB), + JH71X0_GMUX(JH7110_VOUTCLK_DC8200_PIX0, "dc8200_pix0", 0, 2, + JH7110_VOUTCLK_DC8200_PIX, + JH7110_VOUTCLK_HDMITX0_PIXELCLK), + JH71X0_GMUX(JH7110_VOUTCLK_DC8200_PIX1, "dc8200_pix1", 0, 2, + JH7110_VOUTCLK_DC8200_PIX, + JH7110_VOUTCLK_HDMITX0_PIXELCLK), + /* LCD */ + JH71X0_GMUX(JH7110_VOUTCLK_DOM_VOUT_TOP_LCD, "dom_vout_top_lcd", 0, 2, + JH7110_VOUTCLK_DC8200_PIX0, + JH7110_VOUTCLK_DC8200_PIX1), + /* dsiTx */ + JH71X0_GATE(JH7110_VOUTCLK_DSITX_APB, "dsiTx_apb", 0, JH7110_VOUTCLK_DSI_SYS), + JH71X0_GATE(JH7110_VOUTCLK_DSITX_SYS, "dsiTx_sys", 0, JH7110_VOUTCLK_DSI_SYS), + JH71X0_GMUX(JH7110_VOUTCLK_DSITX_DPI, "dsiTx_dpi", 0, 2, + JH7110_VOUTCLK_DC8200_PIX, + JH7110_VOUTCLK_HDMITX0_PIXELCLK), + JH71X0_GATE(JH7110_VOUTCLK_DSITX_TXESC, "dsiTx_txesc", 0, JH7110_VOUTCLK_TX_ESC), + /* mipitx DPHY */ + JH71X0_GATE(JH7110_VOUTCLK_MIPITX_DPHY_TXESC, "mipitx_dphy_txesc", 0, + JH7110_VOUTCLK_TX_ESC), + /* hdmi */ + JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_MCLK, "hdmi_tx_mclk", 0, + JH7110_VOUTCLK_VOUT_TOP_HDMITX0_MCLK), + JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_BCLK, "hdmi_tx_bclk", 0, + JH7110_VOUTCLK_I2STX0_BCLK), + JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_SYS, "hdmi_tx_sys", 0, JH7110_VOUTCLK_APB), +}; + +static int jh7110_vout_top_rst_init(struct jh71x0_clk_priv *priv) +{ + struct reset_control *top_rst; + + /* The reset should be shared and other Vout modules will use its. */ + top_rst = devm_reset_control_get_shared(priv->dev, NULL); + if (IS_ERR(top_rst)) + return dev_err_probe(priv->dev, PTR_ERR(top_rst), "failed to get top reset\n"); + + return reset_control_deassert(top_rst); +} + +static struct clk_hw *jh7110_voutclk_get(struct of_phandle_args *clkspec, void *data) +{ + struct jh71x0_clk_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH7110_VOUTCLK_END) + return &priv->reg[idx].hw; + + return ERR_PTR(-EINVAL); +} + +#ifdef CONFIG_PM +static int jh7110_voutcrg_suspend(struct device *dev) +{ + struct jh7110_top_sysclk *top = dev_get_drvdata(dev); + + clk_bulk_disable_unprepare(top->top_clks_num, top->top_clks); + + return 0; +} + +static int jh7110_voutcrg_resume(struct device *dev) +{ + struct jh7110_top_sysclk *top = dev_get_drvdata(dev); + + return clk_bulk_prepare_enable(top->top_clks_num, top->top_clks); +} + +static const struct dev_pm_ops jh7110_voutcrg_pm_ops = { + RUNTIME_PM_OPS(jh7110_voutcrg_suspend, jh7110_voutcrg_resume, NULL) +}; +#endif + +static int jh7110_voutcrg_probe(struct platform_device *pdev) +{ + struct jh71x0_clk_priv *priv; + struct jh7110_top_sysclk *top; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, + struct_size(priv, reg, JH7110_VOUTCLK_END), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + top = devm_kzalloc(&pdev->dev, sizeof(*top), GFP_KERNEL); + if (!top) + return -ENOMEM; + + spin_lock_init(&priv->rmw_lock); + priv->dev = &pdev->dev; + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + top->top_clks = jh7110_vout_top_clks; + top->top_clks_num = ARRAY_SIZE(jh7110_vout_top_clks); + ret = devm_clk_bulk_get(priv->dev, top->top_clks_num, top->top_clks); + if (ret) + return dev_err_probe(priv->dev, ret, "failed to get top clocks\n"); + dev_set_drvdata(priv->dev, top); + + /* enable power domain and clocks */ + pm_runtime_enable(priv->dev); + ret = pm_runtime_get_sync(priv->dev); + if (ret < 0) + return dev_err_probe(priv->dev, ret, "failed to turn on power\n"); + + ret = jh7110_vout_top_rst_init(priv); + if (ret) + goto err_exit; + + for (idx = 0; idx < JH7110_VOUTCLK_END; idx++) { + u32 max = jh7110_voutclk_data[idx].max; + struct clk_parent_data parents[4] = {}; + struct clk_init_data init = { + .name = jh7110_voutclk_data[idx].name, + .ops = starfive_jh71x0_clk_ops(max), + .parent_data = parents, + .num_parents = + ((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1, + .flags = jh7110_voutclk_data[idx].flags, + }; + struct jh71x0_clk *clk = &priv->reg[idx]; + unsigned int i; + const char *fw_name[JH7110_VOUTCLK_EXT_END - JH7110_VOUTCLK_END] = { + "vout_src", + "vout_top_ahb", + "vout_top_axi", + "vout_top_hdmitx0_mclk", + "i2stx0_bclk", + "hdmitx0_pixelclk" + }; + + for (i = 0; i < init.num_parents; i++) { + unsigned int pidx = jh7110_voutclk_data[idx].parents[i]; + + if (pidx < JH7110_VOUTCLK_END) + parents[i].hw = &priv->reg[pidx].hw; + else if (pidx < JH7110_VOUTCLK_EXT_END) + parents[i].fw_name = fw_name[pidx - JH7110_VOUTCLK_END]; + } + + clk->hw.init = &init; + clk->idx = idx; + clk->max_div = max & JH71X0_CLK_DIV_MASK; + + ret = devm_clk_hw_register(&pdev->dev, &clk->hw); + if (ret) + goto err_exit; + } + + ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_voutclk_get, priv); + if (ret) + goto err_exit; + + ret = jh7110_reset_controller_register(priv, "rst-vo", 4); + if (ret) + goto err_exit; + + return 0; + +err_exit: + pm_runtime_put_sync(priv->dev); + pm_runtime_disable(priv->dev); + return ret; +} + +static int jh7110_voutcrg_remove(struct platform_device *pdev) +{ + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + + return 0; +} + +static const struct of_device_id jh7110_voutcrg_match[] = { + { .compatible = "starfive,jh7110-voutcrg" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jh7110_voutcrg_match); + +static struct platform_driver jh7110_voutcrg_driver = { + .probe = jh7110_voutcrg_probe, + .remove = jh7110_voutcrg_remove, + .driver = { + .name = "clk-starfive-jh7110-vout", + .of_match_table = jh7110_voutcrg_match, + .pm = pm_ptr(&jh7110_voutcrg_pm_ops), + }, +}; +module_platform_driver(jh7110_voutcrg_driver); + +MODULE_AUTHOR("Xingyu Wu <xingyu.wu@starfivetech.com>"); +MODULE_DESCRIPTION("StarFive JH7110 Video-Output clock driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/starfive/clk-starfive-jh7110.h b/drivers/clk/starfive/clk-starfive-jh7110.h index f29682b8d400..0659adae4d76 100644 --- a/drivers/clk/starfive/clk-starfive-jh7110.h +++ b/drivers/clk/starfive/clk-starfive-jh7110.h @@ -4,6 +4,12 @@ #include "clk-starfive-jh71x0.h" +/* top clocks of ISP/VOUT domain from JH7110 SYSCRG */ +struct jh7110_top_sysclk { + struct clk_bulk_data *top_clks; + int top_clks_num; +}; + int jh7110_reset_controller_register(struct jh71x0_clk_priv *priv, const char *adev_name, u32 adev_id); diff --git a/include/dt-bindings/clock/starfive,jh7110-crg.h b/include/dt-bindings/clock/starfive,jh7110-crg.h index 06257bfd9ac1..467ccab3bfaa 100644 --- a/include/dt-bindings/clock/starfive,jh7110-crg.h +++ b/include/dt-bindings/clock/starfive,jh7110-crg.h @@ -1,11 +1,18 @@ /* SPDX-License-Identifier: GPL-2.0 OR MIT */ /* * Copyright 2022 Emil Renner Berthing <kernel@esmil.dk> + * Copyright 2022 StarFive Technology Co., Ltd. */ #ifndef __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ #define __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ +/* PLL clocks */ +#define JH7110_PLLCLK_PLL0_OUT 0 +#define JH7110_PLLCLK_PLL1_OUT 1 +#define JH7110_PLLCLK_PLL2_OUT 2 +#define JH7110_PLLCLK_END 3 + /* SYSCRG clocks */ #define JH7110_SYSCLK_CPU_ROOT 0 #define JH7110_SYSCLK_CPU_CORE 1 @@ -218,4 +225,77 @@ #define JH7110_AONCLK_END 14 +/* STGCRG clocks */ +#define JH7110_STGCLK_HIFI4_CLK_CORE 0 +#define JH7110_STGCLK_USB0_APB 1 +#define JH7110_STGCLK_USB0_UTMI_APB 2 +#define JH7110_STGCLK_USB0_AXI 3 +#define JH7110_STGCLK_USB0_LPM 4 +#define JH7110_STGCLK_USB0_STB 5 +#define JH7110_STGCLK_USB0_APP_125 6 +#define JH7110_STGCLK_USB0_REFCLK 7 +#define JH7110_STGCLK_PCIE0_AXI_MST0 8 +#define JH7110_STGCLK_PCIE0_APB 9 +#define JH7110_STGCLK_PCIE0_TL 10 +#define JH7110_STGCLK_PCIE1_AXI_MST0 11 +#define JH7110_STGCLK_PCIE1_APB 12 +#define JH7110_STGCLK_PCIE1_TL 13 +#define JH7110_STGCLK_PCIE_SLV_MAIN 14 +#define JH7110_STGCLK_SEC_AHB 15 +#define JH7110_STGCLK_SEC_MISC_AHB 16 +#define JH7110_STGCLK_GRP0_MAIN 17 +#define JH7110_STGCLK_GRP0_BUS 18 +#define JH7110_STGCLK_GRP0_STG 19 +#define JH7110_STGCLK_GRP1_MAIN 20 +#define JH7110_STGCLK_GRP1_BUS 21 +#define JH7110_STGCLK_GRP1_STG 22 +#define JH7110_STGCLK_GRP1_HIFI 23 +#define JH7110_STGCLK_E2_RTC 24 +#define JH7110_STGCLK_E2_CORE 25 +#define JH7110_STGCLK_E2_DBG 26 +#define JH7110_STGCLK_DMA1P_AXI 27 +#define JH7110_STGCLK_DMA1P_AHB 28 + +#define JH7110_STGCLK_END 29 + +/* ISPCRG clocks */ +#define JH7110_ISPCLK_DOM4_APB_FUNC 0 +#define JH7110_ISPCLK_MIPI_RX0_PXL 1 +#define JH7110_ISPCLK_DVP_INV 2 +#define JH7110_ISPCLK_M31DPHY_CFG_IN 3 +#define JH7110_ISPCLK_M31DPHY_REF_IN 4 +#define JH7110_ISPCLK_M31DPHY_TX_ESC_LAN0 5 +#define JH7110_ISPCLK_VIN_APB 6 +#define JH7110_ISPCLK_VIN_SYS 7 +#define JH7110_ISPCLK_VIN_PIXEL_IF0 8 +#define JH7110_ISPCLK_VIN_PIXEL_IF1 9 +#define JH7110_ISPCLK_VIN_PIXEL_IF2 10 +#define JH7110_ISPCLK_VIN_PIXEL_IF3 11 +#define JH7110_ISPCLK_VIN_P_AXI_WR 12 +#define JH7110_ISPCLK_ISPV2_TOP_WRAPPER_C 13 + +#define JH7110_ISPCLK_END 14 + +/* VOUTCRG clocks */ +#define JH7110_VOUTCLK_APB 0 +#define JH7110_VOUTCLK_DC8200_PIX 1 +#define JH7110_VOUTCLK_DSI_SYS 2 +#define JH7110_VOUTCLK_TX_ESC 3 +#define JH7110_VOUTCLK_DC8200_AXI 4 +#define JH7110_VOUTCLK_DC8200_CORE 5 +#define JH7110_VOUTCLK_DC8200_AHB 6 +#define JH7110_VOUTCLK_DC8200_PIX0 7 +#define JH7110_VOUTCLK_DC8200_PIX1 8 +#define JH7110_VOUTCLK_DOM_VOUT_TOP_LCD 9 +#define JH7110_VOUTCLK_DSITX_APB 10 +#define JH7110_VOUTCLK_DSITX_SYS 11 +#define JH7110_VOUTCLK_DSITX_DPI 12 +#define JH7110_VOUTCLK_DSITX_TXESC 13 +#define JH7110_VOUTCLK_MIPITX_DPHY_TXESC 14 +#define JH7110_VOUTCLK_HDMI_TX_MCLK 15 +#define JH7110_VOUTCLK_HDMI_TX_BCLK 16 +#define JH7110_VOUTCLK_HDMI_TX_SYS 17 + +#define JH7110_VOUTCLK_END 18 + #endif /* __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ */ diff --git a/include/dt-bindings/reset/starfive,jh7110-crg.h b/include/dt-bindings/reset/starfive,jh7110-crg.h index d78e38690ceb..eaf4a0d84f6a 100644 --- a/include/dt-bindings/reset/starfive,jh7110-crg.h +++ b/include/dt-bindings/reset/starfive,jh7110-crg.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 OR MIT */ /* * Copyright (C) 2022 Emil Renner Berthing <kernel@esmil.dk> + * Copyright (C) 2022 StarFive Technology Co., Ltd. */ #ifndef __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__ @@ -151,4 +152,63 @@ #define JH7110_AONRST_END 8 +/* STGCRG resets */ +#define JH7110_STGRST_SYSCON 0 +#define JH7110_STGRST_HIFI4_CORE 1 +#define JH7110_STGRST_HIFI4_AXI 2 +#define JH7110_STGRST_SEC_AHB 3 +#define JH7110_STGRST_E24_CORE 4 +#define JH7110_STGRST_DMA1P_AXI 5 +#define JH7110_STGRST_DMA1P_AHB 6 +#define JH7110_STGRST_USB0_AXI 7 +#define JH7110_STGRST_USB0_APB 8 +#define JH7110_STGRST_USB0_UTMI_APB 9 +#define JH7110_STGRST_USB0_PWRUP 10 +#define JH7110_STGRST_PCIE0_AXI_MST0 11 +#define JH7110_STGRST_PCIE0_AXI_SLV0 12 +#define JH7110_STGRST_PCIE0_AXI_SLV 13 +#define JH7110_STGRST_PCIE0_BRG 14 +#define JH7110_STGRST_PCIE0_CORE 15 +#define JH7110_STGRST_PCIE0_APB 16 +#define JH7110_STGRST_PCIE1_AXI_MST0 17 +#define JH7110_STGRST_PCIE1_AXI_SLV0 18 +#define JH7110_STGRST_PCIE1_AXI_SLV 19 +#define JH7110_STGRST_PCIE1_BRG 20 +#define JH7110_STGRST_PCIE1_CORE 21 +#define JH7110_STGRST_PCIE1_APB 22 + +#define JH7110_STGRST_END 23 + +/* ISPCRG resets */ +#define JH7110_ISPRST_ISPV2_TOP_WRAPPER_P 0 +#define JH7110_ISPRST_ISPV2_TOP_WRAPPER_C 1 +#define JH7110_ISPRST_M31DPHY_HW 2 +#define JH7110_ISPRST_M31DPHY_B09_AON 3 +#define JH7110_ISPRST_VIN_APB 4 +#define JH7110_ISPRST_VIN_PIXEL_IF0 5 +#define JH7110_ISPRST_VIN_PIXEL_IF1 6 +#define JH7110_ISPRST_VIN_PIXEL_IF2 7 +#define JH7110_ISPRST_VIN_PIXEL_IF3 8 +#define JH7110_ISPRST_VIN_SYS 9 +#define JH7110_ISPRST_VIN_P_AXI_RD 10 +#define JH7110_ISPRST_VIN_P_AXI_WR 11 + +#define JH7110_ISPRST_END 12 + +/* VOUTCRG resets */ +#define JH7110_VOUTRST_DC8200_AXI 0 +#define JH7110_VOUTRST_DC8200_AHB 1 +#define JH7110_VOUTRST_DC8200_CORE 2 +#define JH7110_VOUTRST_DSITX_DPI 3 +#define JH7110_VOUTRST_DSITX_APB 4 +#define JH7110_VOUTRST_DSITX_RXESC 5 +#define JH7110_VOUTRST_DSITX_SYS 6 +#define JH7110_VOUTRST_DSITX_TXBYTEHS 7 +#define JH7110_VOUTRST_DSITX_TXESC 8 +#define JH7110_VOUTRST_HDMI_TX_HDMI 9 +#define JH7110_VOUTRST_MIPITX_DPHY_SYS 10 +#define JH7110_VOUTRST_MIPITX_DPHY_TXBYTEHS 11 + +#define JH7110_VOUTRST_END 12 + #endif /* __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__ */ |