diff options
| author | Stephen Boyd <sboyd@codeaurora.org> | 2016-11-14 14:25:11 -0800 | 
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2016-11-14 14:25:11 -0800 | 
| commit | c60df0a42b3a85c98b67193f2078d2d7e738671a (patch) | |
| tree | 1eb7971d89a989ae7507c0ad0d5f9d9bfc965313 | |
| parent | 81ab3279c5e1db8e61536646f1150cf66d8d5bad (diff) | |
| parent | c80dfd9bf54e178207b7bd124b0dd5e2453b87fe (diff) | |
Merge branch 'clk-hisi' into clk-next
* clk-hisi:
  clk: hisilicon: add CRG driver for Hi3516CV300 SoC
  clk: hisilicon: add CRG driver for Hi3798CV200 SoC
| -rw-r--r-- | Documentation/devicetree/bindings/clock/hisi-crg.txt (renamed from Documentation/devicetree/bindings/clock/hi3519-crg.txt) | 12 | ||||
| -rw-r--r-- | drivers/clk/hisilicon/Kconfig | 16 | ||||
| -rw-r--r-- | drivers/clk/hisilicon/Makefile | 2 | ||||
| -rw-r--r-- | drivers/clk/hisilicon/crg-hi3516cv300.c | 330 | ||||
| -rw-r--r-- | drivers/clk/hisilicon/crg-hi3798cv200.c | 337 | ||||
| -rw-r--r-- | drivers/clk/hisilicon/crg.h | 34 | ||||
| -rw-r--r-- | include/dt-bindings/clock/hi3516cv300-clock.h | 48 | ||||
| -rw-r--r-- | include/dt-bindings/clock/histb-clock.h | 66 | 
8 files changed, 841 insertions, 4 deletions
| diff --git a/Documentation/devicetree/bindings/clock/hi3519-crg.txt b/Documentation/devicetree/bindings/clock/hisi-crg.txt index acd1f235d548..cc60b3d423f3 100644 --- a/Documentation/devicetree/bindings/clock/hi3519-crg.txt +++ b/Documentation/devicetree/bindings/clock/hisi-crg.txt @@ -1,7 +1,7 @@ -* Hisilicon Hi3519 Clock and Reset Generator(CRG) +* HiSilicon Clock and Reset Generator(CRG) -The Hi3519 CRG module provides clock and reset signals to various -controllers within the SoC. +The CRG module provides clock and reset signals to various +modules within the SoC.  This binding uses the following bindings:      Documentation/devicetree/bindings/clock/clock-bindings.txt @@ -10,7 +10,11 @@ This binding uses the following bindings:  Required Properties:  - compatible: should be one of the following. -  - "hisilicon,hi3519-crg" - controller compatible with Hi3519 SoC. +  - "hisilicon,hi3516cv300-crg" +  - "hisilicon,hi3516cv300-sysctrl" +  - "hisilicon,hi3519-crg" +  - "hisilicon,hi3798cv200-crg" +  - "hisilicon,hi3798cv200-sysctrl"  - reg: physical base address of the controller and length of memory mapped    region. diff --git a/drivers/clk/hisilicon/Kconfig b/drivers/clk/hisilicon/Kconfig index 3f537a04c6a6..f80773b7f9ef 100644 --- a/drivers/clk/hisilicon/Kconfig +++ b/drivers/clk/hisilicon/Kconfig @@ -1,3 +1,11 @@ +config COMMON_CLK_HI3516CV300 +	tristate "HI3516CV300 Clock Driver" +	depends on ARCH_HISI || COMPILE_TEST +	select RESET_HISI +	default ARCH_HISI +	help +	  Build the clock driver for hi3516cv300. +  config COMMON_CLK_HI3519  	tristate "Hi3519 Clock Driver"  	depends on ARCH_HISI || COMPILE_TEST @@ -6,6 +14,14 @@ config COMMON_CLK_HI3519  	help  	  Build the clock driver for hi3519. +config COMMON_CLK_HI3798CV200 +	tristate "Hi3798CV200 Clock Driver" +	depends on ARCH_HISI || COMPILE_TEST +	select RESET_HISI +	default ARCH_HISI +	help +	  Build the clock driver for hi3798cv200. +  config COMMON_CLK_HI6220  	bool "Hi6220 Clock Driver"  	depends on ARCH_HISI || COMPILE_TEST diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index e169ec7da023..4eec5e511e4c 100644 --- a/drivers/clk/hisilicon/Makefile +++ b/drivers/clk/hisilicon/Makefile @@ -7,7 +7,9 @@ obj-y	+= clk.o clkgate-separated.o clkdivider-hi6220.o  obj-$(CONFIG_ARCH_HI3xxx)	+= clk-hi3620.o  obj-$(CONFIG_ARCH_HIP04)	+= clk-hip04.o  obj-$(CONFIG_ARCH_HIX5HD2)	+= clk-hix5hd2.o +obj-$(CONFIG_COMMON_CLK_HI3516CV300)	+= crg-hi3516cv300.o  obj-$(CONFIG_COMMON_CLK_HI3519)	+= clk-hi3519.o +obj-$(CONFIG_COMMON_CLK_HI3798CV200)	+= crg-hi3798cv200.o  obj-$(CONFIG_COMMON_CLK_HI6220)	+= clk-hi6220.o  obj-$(CONFIG_RESET_HISI)	+= reset.o  obj-$(CONFIG_STUB_CLK_HI6220)	+= clk-hi6220-stub.o diff --git a/drivers/clk/hisilicon/crg-hi3516cv300.c b/drivers/clk/hisilicon/crg-hi3516cv300.c new file mode 100644 index 000000000000..2007123832bb --- /dev/null +++ b/drivers/clk/hisilicon/crg-hi3516cv300.c @@ -0,0 +1,330 @@ +/* + * Hi3516CV300 Clock and Reset Generator Driver + * + * Copyright (c) 2016 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <dt-bindings/clock/hi3516cv300-clock.h> +#include <linux/clk-provider.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "clk.h" +#include "crg.h" +#include "reset.h" + +/* hi3516CV300 core CRG */ +#define HI3516CV300_INNER_CLK_OFFSET	64 +#define HI3516CV300_FIXED_3M		65 +#define HI3516CV300_FIXED_6M		66 +#define HI3516CV300_FIXED_24M		67 +#define HI3516CV300_FIXED_49P5		68 +#define HI3516CV300_FIXED_50M		69 +#define HI3516CV300_FIXED_83P3M		70 +#define HI3516CV300_FIXED_99M		71 +#define HI3516CV300_FIXED_100M		72 +#define HI3516CV300_FIXED_148P5M	73 +#define HI3516CV300_FIXED_198M		74 +#define HI3516CV300_FIXED_297M		75 +#define HI3516CV300_UART_MUX		76 +#define HI3516CV300_FMC_MUX		77 +#define HI3516CV300_MMC0_MUX		78 +#define HI3516CV300_MMC1_MUX		79 +#define HI3516CV300_MMC2_MUX		80 +#define HI3516CV300_MMC3_MUX		81 +#define HI3516CV300_PWM_MUX		82 +#define HI3516CV300_CRG_NR_CLKS		128 + +static const struct hisi_fixed_rate_clock hi3516cv300_fixed_rate_clks[] = { +	{ HI3516CV300_FIXED_3M, "3m", NULL, 0, 3000000, }, +	{ HI3516CV300_FIXED_6M, "6m", NULL, 0, 6000000, }, +	{ HI3516CV300_FIXED_24M, "24m", NULL, 0, 24000000, }, +	{ HI3516CV300_FIXED_49P5, "49.5m", NULL, 0, 49500000, }, +	{ HI3516CV300_FIXED_50M, "50m", NULL, 0, 50000000, }, +	{ HI3516CV300_FIXED_83P3M, "83.3m", NULL, 0, 83300000, }, +	{ HI3516CV300_FIXED_99M, "99m", NULL, 0, 99000000, }, +	{ HI3516CV300_FIXED_100M, "100m", NULL, 0, 100000000, }, +	{ HI3516CV300_FIXED_148P5M, "148.5m", NULL, 0, 148500000, }, +	{ HI3516CV300_FIXED_198M, "198m", NULL, 0, 198000000, }, +	{ HI3516CV300_FIXED_297M, "297m", NULL, 0, 297000000, }, +	{ HI3516CV300_APB_CLK, "apb", NULL, 0, 50000000, }, +}; + +static const char *const uart_mux_p[] = {"24m", "6m"}; +static const char *const fmc_mux_p[] = { +	"24m", "83.3m", "148.5m", "198m", "297m" +}; +static const char *const mmc_mux_p[] = {"49.5m"}; +static const char *const mmc2_mux_p[] = {"99m", "49.5m"}; +static const char *const pwm_mux_p[] = {"3m", "50m", "24m", "24m"}; + +static u32 uart_mux_table[] = {0, 1}; +static u32 fmc_mux_table[] = {0, 1, 2, 3, 4}; +static u32 mmc_mux_table[] = {0}; +static u32 mmc2_mux_table[] = {0, 2}; +static u32 pwm_mux_table[] = {0, 1, 2, 3}; + +static const struct hisi_mux_clock hi3516cv300_mux_clks[] = { +	{ HI3516CV300_UART_MUX, "uart_mux", uart_mux_p, ARRAY_SIZE(uart_mux_p), +		CLK_SET_RATE_PARENT, 0xe4, 19, 1, 0, uart_mux_table, }, +	{ HI3516CV300_FMC_MUX, "fmc_mux", fmc_mux_p, ARRAY_SIZE(fmc_mux_p), +		CLK_SET_RATE_PARENT, 0xc0, 2, 3, 0, fmc_mux_table, }, +	{ HI3516CV300_MMC0_MUX, "mmc0_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), +		CLK_SET_RATE_PARENT, 0xc4, 4, 2, 0, mmc_mux_table, }, +	{ HI3516CV300_MMC1_MUX, "mmc1_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), +		CLK_SET_RATE_PARENT, 0xc4, 12, 2, 0, mmc_mux_table, }, +	{ HI3516CV300_MMC2_MUX, "mmc2_mux", mmc2_mux_p, ARRAY_SIZE(mmc2_mux_p), +		CLK_SET_RATE_PARENT, 0xc4, 20, 2, 0, mmc2_mux_table, }, +	{ HI3516CV300_MMC3_MUX, "mmc3_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), +		CLK_SET_RATE_PARENT, 0xc8, 4, 2, 0, mmc_mux_table, }, +	{ HI3516CV300_PWM_MUX, "pwm_mux", pwm_mux_p, ARRAY_SIZE(pwm_mux_p), +		CLK_SET_RATE_PARENT, 0x38, 2, 2, 0, pwm_mux_table, }, +}; + +static const struct hisi_gate_clock hi3516cv300_gate_clks[] = { + +	{ HI3516CV300_UART0_CLK, "clk_uart0", "uart_mux", CLK_SET_RATE_PARENT, +		0xe4, 15, 0, }, +	{ HI3516CV300_UART1_CLK, "clk_uart1", "uart_mux", CLK_SET_RATE_PARENT, +		0xe4, 16, 0, }, +	{ HI3516CV300_UART2_CLK, "clk_uart2", "uart_mux", CLK_SET_RATE_PARENT, +		0xe4, 17, 0, }, + +	{ HI3516CV300_SPI0_CLK, "clk_spi0", "100m", CLK_SET_RATE_PARENT, +		0xe4, 13, 0, }, +	{ HI3516CV300_SPI1_CLK, "clk_spi1", "100m", CLK_SET_RATE_PARENT, +		0xe4, 14, 0, }, + +	{ HI3516CV300_FMC_CLK, "clk_fmc", "fmc_mux", CLK_SET_RATE_PARENT, +		0xc0, 1, 0, }, +	{ HI3516CV300_MMC0_CLK, "clk_mmc0", "mmc0_mux", CLK_SET_RATE_PARENT, +		0xc4, 1, 0, }, +	{ HI3516CV300_MMC1_CLK, "clk_mmc1", "mmc1_mux", CLK_SET_RATE_PARENT, +		0xc4, 9, 0, }, +	{ HI3516CV300_MMC2_CLK, "clk_mmc2", "mmc2_mux", CLK_SET_RATE_PARENT, +		0xc4, 17, 0, }, +	{ HI3516CV300_MMC3_CLK, "clk_mmc3", "mmc3_mux", CLK_SET_RATE_PARENT, +		0xc8, 1, 0, }, + +	{ HI3516CV300_ETH_CLK, "clk_eth", NULL, 0, 0xec, 1, 0, }, + +	{ HI3516CV300_DMAC_CLK, "clk_dmac", NULL, 0, 0xd8, 5, 0, }, +	{ HI3516CV300_PWM_CLK, "clk_pwm", "pwm_mux", CLK_SET_RATE_PARENT, +		0x38, 1, 0, }, + +	{ HI3516CV300_USB2_BUS_CLK, "clk_usb2_bus", NULL, 0, 0xb8, 0, 0, }, +	{ HI3516CV300_USB2_OHCI48M_CLK, "clk_usb2_ohci48m", NULL, 0, +		0xb8, 1, 0, }, +	{ HI3516CV300_USB2_OHCI12M_CLK, "clk_usb2_ohci12m", NULL, 0, +		0xb8, 2, 0, }, +	{ HI3516CV300_USB2_OTG_UTMI_CLK, "clk_usb2_otg_utmi", NULL, 0, +		0xb8, 3, 0, }, +	{ HI3516CV300_USB2_HST_PHY_CLK, "clk_usb2_hst_phy", NULL, 0, +		0xb8, 4, 0, }, +	{ HI3516CV300_USB2_UTMI0_CLK, "clk_usb2_utmi0", NULL, 0, 0xb8, 5, 0, }, +	{ HI3516CV300_USB2_PHY_CLK, "clk_usb2_phy", NULL, 0, 0xb8, 7, 0, }, +}; + +static struct hisi_clock_data *hi3516cv300_clk_register( +		struct platform_device *pdev) +{ +	struct hisi_clock_data *clk_data; +	int ret; + +	clk_data = hisi_clk_alloc(pdev, HI3516CV300_CRG_NR_CLKS); +	if (!clk_data) +		return ERR_PTR(-ENOMEM); + +	ret = hisi_clk_register_fixed_rate(hi3516cv300_fixed_rate_clks, +			ARRAY_SIZE(hi3516cv300_fixed_rate_clks), clk_data); +	if (ret) +		return ERR_PTR(ret); + +	ret = hisi_clk_register_mux(hi3516cv300_mux_clks, +			ARRAY_SIZE(hi3516cv300_mux_clks), clk_data); +	if (ret) +		goto unregister_fixed_rate; + +	ret = hisi_clk_register_gate(hi3516cv300_gate_clks, +			ARRAY_SIZE(hi3516cv300_gate_clks), clk_data); +	if (ret) +		goto unregister_mux; + +	ret = of_clk_add_provider(pdev->dev.of_node, +			of_clk_src_onecell_get, &clk_data->clk_data); +	if (ret) +		goto unregister_gate; + +	return clk_data; + +unregister_gate: +	hisi_clk_unregister_gate(hi3516cv300_gate_clks, +				ARRAY_SIZE(hi3516cv300_gate_clks), clk_data); +unregister_mux: +	hisi_clk_unregister_mux(hi3516cv300_mux_clks, +			ARRAY_SIZE(hi3516cv300_mux_clks), clk_data); +unregister_fixed_rate: +	hisi_clk_unregister_fixed_rate(hi3516cv300_fixed_rate_clks, +			ARRAY_SIZE(hi3516cv300_fixed_rate_clks), clk_data); +	return ERR_PTR(ret); +} + +static void hi3516cv300_clk_unregister(struct platform_device *pdev) +{ +	struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + +	of_clk_del_provider(pdev->dev.of_node); + +	hisi_clk_unregister_gate(hi3516cv300_gate_clks, +			ARRAY_SIZE(hi3516cv300_gate_clks), crg->clk_data); +	hisi_clk_unregister_mux(hi3516cv300_mux_clks, +			ARRAY_SIZE(hi3516cv300_mux_clks), crg->clk_data); +	hisi_clk_unregister_fixed_rate(hi3516cv300_fixed_rate_clks, +			ARRAY_SIZE(hi3516cv300_fixed_rate_clks), crg->clk_data); +} + +static const struct hisi_crg_funcs hi3516cv300_crg_funcs = { +	.register_clks = hi3516cv300_clk_register, +	.unregister_clks = hi3516cv300_clk_unregister, +}; + +/* hi3516CV300 sysctrl CRG */ +#define HI3516CV300_SYSCTRL_NR_CLKS 16 + +static const char *wdt_mux_p[] __initconst = { "3m", "apb" }; +static u32 wdt_mux_table[] = {0, 1}; + +static const struct hisi_mux_clock hi3516cv300_sysctrl_mux_clks[] = { +	{ HI3516CV300_WDT_CLK, "wdt", wdt_mux_p, ARRAY_SIZE(wdt_mux_p), +		CLK_SET_RATE_PARENT, 0x0, 23, 1, 0, wdt_mux_table, }, +}; + +static struct hisi_clock_data *hi3516cv300_sysctrl_clk_register( +		struct platform_device *pdev) +{ +	struct hisi_clock_data *clk_data; +	int ret; + +	clk_data = hisi_clk_alloc(pdev, HI3516CV300_SYSCTRL_NR_CLKS); +	if (!clk_data) +		return ERR_PTR(-ENOMEM); + +	ret = hisi_clk_register_mux(hi3516cv300_sysctrl_mux_clks, +			ARRAY_SIZE(hi3516cv300_sysctrl_mux_clks), clk_data); +	if (ret) +		return ERR_PTR(ret); + + +	ret = of_clk_add_provider(pdev->dev.of_node, +			of_clk_src_onecell_get, &clk_data->clk_data); +	if (ret) +		goto unregister_mux; + +	return clk_data; + +unregister_mux: +	hisi_clk_unregister_mux(hi3516cv300_sysctrl_mux_clks, +			ARRAY_SIZE(hi3516cv300_sysctrl_mux_clks), clk_data); +	return ERR_PTR(ret); +} + +static void hi3516cv300_sysctrl_clk_unregister(struct platform_device *pdev) +{ +	struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + +	of_clk_del_provider(pdev->dev.of_node); + +	hisi_clk_unregister_mux(hi3516cv300_sysctrl_mux_clks, +			ARRAY_SIZE(hi3516cv300_sysctrl_mux_clks), +			crg->clk_data); +} + +static const struct hisi_crg_funcs hi3516cv300_sysctrl_funcs = { +	.register_clks = hi3516cv300_sysctrl_clk_register, +	.unregister_clks = hi3516cv300_sysctrl_clk_unregister, +}; + +static const struct of_device_id hi3516cv300_crg_match_table[] = { +	{ +		.compatible = "hisilicon,hi3516cv300-crg", +		.data = &hi3516cv300_crg_funcs +	}, +	{ +		.compatible = "hisilicon,hi3516cv300-sysctrl", +		.data = &hi3516cv300_sysctrl_funcs +	}, +	{ } +}; +MODULE_DEVICE_TABLE(of, hi3516cv300_crg_match_table); + +static int hi3516cv300_crg_probe(struct platform_device *pdev) +{ +	struct hisi_crg_dev *crg; + +	crg = devm_kmalloc(&pdev->dev, sizeof(*crg), GFP_KERNEL); +	if (!crg) +		return -ENOMEM; + +	crg->funcs = of_device_get_match_data(&pdev->dev); +	if (!crg->funcs) +		return -ENOENT; + +	crg->rstc = hisi_reset_init(pdev); +	if (!crg->rstc) +		return -ENOMEM; + +	crg->clk_data = crg->funcs->register_clks(pdev); +	if (IS_ERR(crg->clk_data)) { +		hisi_reset_exit(crg->rstc); +		return PTR_ERR(crg->clk_data); +	} + +	platform_set_drvdata(pdev, crg); +	return 0; +} + +static int hi3516cv300_crg_remove(struct platform_device *pdev) +{ +	struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + +	hisi_reset_exit(crg->rstc); +	crg->funcs->unregister_clks(pdev); +	return 0; +} + +static struct platform_driver hi3516cv300_crg_driver = { +	.probe          = hi3516cv300_crg_probe, +	.remove		= hi3516cv300_crg_remove, +	.driver         = { +		.name   = "hi3516cv300-crg", +		.of_match_table = hi3516cv300_crg_match_table, +	}, +}; + +static int __init hi3516cv300_crg_init(void) +{ +	return platform_driver_register(&hi3516cv300_crg_driver); +} +core_initcall(hi3516cv300_crg_init); + +static void __exit hi3516cv300_crg_exit(void) +{ +	platform_driver_unregister(&hi3516cv300_crg_driver); +} +module_exit(hi3516cv300_crg_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("HiSilicon Hi3516CV300 CRG Driver"); diff --git a/drivers/clk/hisilicon/crg-hi3798cv200.c b/drivers/clk/hisilicon/crg-hi3798cv200.c new file mode 100644 index 000000000000..fc8b5bc2d50d --- /dev/null +++ b/drivers/clk/hisilicon/crg-hi3798cv200.c @@ -0,0 +1,337 @@ +/* + * Hi3798CV200 Clock and Reset Generator Driver + * + * Copyright (c) 2016 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <dt-bindings/clock/histb-clock.h> +#include <linux/clk-provider.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "clk.h" +#include "crg.h" +#include "reset.h" + +/* hi3798CV200 core CRG */ +#define HI3798CV200_INNER_CLK_OFFSET	64 +#define HI3798CV200_FIXED_24M	65 +#define HI3798CV200_FIXED_25M	66 +#define HI3798CV200_FIXED_50M	67 +#define HI3798CV200_FIXED_75M	68 +#define HI3798CV200_FIXED_100M	69 +#define HI3798CV200_FIXED_150M	70 +#define HI3798CV200_FIXED_200M	71 +#define HI3798CV200_FIXED_250M	72 +#define HI3798CV200_FIXED_300M	73 +#define HI3798CV200_FIXED_400M	74 +#define HI3798CV200_MMC_MUX	75 +#define HI3798CV200_ETH_PUB_CLK	76 +#define HI3798CV200_ETH_BUS_CLK	77 +#define HI3798CV200_ETH_BUS0_CLK	78 +#define HI3798CV200_ETH_BUS1_CLK	79 +#define HI3798CV200_COMBPHY1_MUX	80 + +#define HI3798CV200_CRG_NR_CLKS		128 + +static const struct hisi_fixed_rate_clock hi3798cv200_fixed_rate_clks[] = { +	{ HISTB_OSC_CLK, "clk_osc", NULL, 0, 24000000, }, +	{ HISTB_APB_CLK, "clk_apb", NULL, 0, 100000000, }, +	{ HISTB_AHB_CLK, "clk_ahb", NULL, 0, 200000000, }, +	{ HI3798CV200_FIXED_24M, "24m", NULL, 0, 24000000, }, +	{ HI3798CV200_FIXED_25M, "25m", NULL, 0, 25000000, }, +	{ HI3798CV200_FIXED_50M, "50m", NULL, 0, 50000000, }, +	{ HI3798CV200_FIXED_75M, "75m", NULL, 0, 75000000, }, +	{ HI3798CV200_FIXED_100M, "100m", NULL, 0, 100000000, }, +	{ HI3798CV200_FIXED_150M, "150m", NULL, 0, 150000000, }, +	{ HI3798CV200_FIXED_200M, "200m", NULL, 0, 200000000, }, +	{ HI3798CV200_FIXED_250M, "250m", NULL, 0, 250000000, }, +}; + +static const char *const mmc_mux_p[] = { +		"100m", "50m", "25m", "200m", "150m" }; +static u32 mmc_mux_table[] = {0, 1, 2, 3, 6}; + +static const char *const comphy1_mux_p[] = { +		"100m", "25m"}; +static u32 comphy1_mux_table[] = {2, 3}; + +static struct hisi_mux_clock hi3798cv200_mux_clks[] = { +	{ HI3798CV200_MMC_MUX, "mmc_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), +		CLK_SET_RATE_PARENT, 0xa0, 8, 3, 0, mmc_mux_table, }, +	{ HI3798CV200_COMBPHY1_MUX, "combphy1_mux", +		comphy1_mux_p, ARRAY_SIZE(comphy1_mux_p), +		CLK_SET_RATE_PARENT, 0x188, 10, 2, 0, comphy1_mux_table, }, +}; + +static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { +	/* UART */ +	{ HISTB_UART2_CLK, "clk_uart2", "75m", +		CLK_SET_RATE_PARENT, 0x68, 4, 0, }, +	/* I2C */ +	{ HISTB_I2C0_CLK, "clk_i2c0", "clk_apb", +		CLK_SET_RATE_PARENT, 0x6C, 4, 0, }, +	{ HISTB_I2C1_CLK, "clk_i2c1", "clk_apb", +		CLK_SET_RATE_PARENT, 0x6C, 8, 0, }, +	{ HISTB_I2C2_CLK, "clk_i2c2", "clk_apb", +		CLK_SET_RATE_PARENT, 0x6C, 12, 0, }, +	{ HISTB_I2C3_CLK, "clk_i2c3", "clk_apb", +		CLK_SET_RATE_PARENT, 0x6C, 16, 0, }, +	{ HISTB_I2C4_CLK, "clk_i2c4", "clk_apb", +		CLK_SET_RATE_PARENT, 0x6C, 20, 0, }, +	/* SPI */ +	{ HISTB_SPI0_CLK, "clk_spi0", "clk_apb", +		CLK_SET_RATE_PARENT, 0x70, 0, 0, }, +	/* SDIO */ +	{ HISTB_SDIO0_BIU_CLK, "clk_sdio0_biu", "200m", +			CLK_SET_RATE_PARENT, 0x9c, 0, 0, }, +	{ HISTB_SDIO0_CIU_CLK, "clk_sdio0_ciu", "mmc_mux", +		CLK_SET_RATE_PARENT, 0x9c, 1, 0, }, +	/* EMMC */ +	{ HISTB_MMC_BIU_CLK, "clk_mmc_biu", "200m", +		CLK_SET_RATE_PARENT, 0xa0, 0, 0, }, +	{ HISTB_MMC_CIU_CLK, "clk_mmc_ciu", "mmc_mux", +		CLK_SET_RATE_PARENT, 0xa0, 1, 0, }, +	/* PCIE*/ +	{ HISTB_PCIE_BUS_CLK, "clk_pcie_bus", "200m", +		CLK_SET_RATE_PARENT, 0x18c, 0, 0, }, +	{ HISTB_PCIE_SYS_CLK, "clk_pcie_sys", "100m", +		CLK_SET_RATE_PARENT, 0x18c, 1, 0, }, +	{ HISTB_PCIE_PIPE_CLK, "clk_pcie_pipe", "250m", +		CLK_SET_RATE_PARENT, 0x18c, 2, 0, }, +	{ HISTB_PCIE_AUX_CLK, "clk_pcie_aux", "24m", +		CLK_SET_RATE_PARENT, 0x18c, 3, 0, }, +	/* Ethernet */ +	{ HI3798CV200_ETH_PUB_CLK, "clk_pub", NULL, +		CLK_SET_RATE_PARENT, 0xcc, 5, 0, }, +	{ HI3798CV200_ETH_BUS_CLK, "clk_bus", "clk_pub", +		CLK_SET_RATE_PARENT, 0xcc, 0, 0, }, +	{ HI3798CV200_ETH_BUS0_CLK, "clk_bus_m0", "clk_bus", +		CLK_SET_RATE_PARENT, 0xcc, 1, 0, }, +	{ HI3798CV200_ETH_BUS1_CLK, "clk_bus_m1", "clk_bus", +		CLK_SET_RATE_PARENT, 0xcc, 2, 0, }, +	{ HISTB_ETH0_MAC_CLK, "clk_mac0", "clk_bus_m0", +		CLK_SET_RATE_PARENT, 0xcc, 3, 0, }, +	{ HISTB_ETH0_MACIF_CLK, "clk_macif0", "clk_bus_m0", +		CLK_SET_RATE_PARENT, 0xcc, 24, 0, }, +	{ HISTB_ETH1_MAC_CLK, "clk_mac1", "clk_bus_m1", +		CLK_SET_RATE_PARENT, 0xcc, 4, 0, }, +	{ HISTB_ETH1_MACIF_CLK, "clk_macif1", "clk_bus_m1", +		CLK_SET_RATE_PARENT, 0xcc, 25, 0, }, +	/* COMBPHY1 */ +	{ HISTB_COMBPHY1_CLK, "clk_combphy1", "combphy1_mux", +		CLK_SET_RATE_PARENT, 0x188, 8, 0, }, +}; + +static struct hisi_clock_data *hi3798cv200_clk_register( +				struct platform_device *pdev) +{ +	struct hisi_clock_data *clk_data; +	int ret; + +	clk_data = hisi_clk_alloc(pdev, HI3798CV200_CRG_NR_CLKS); +	if (!clk_data) +		return ERR_PTR(-ENOMEM); + +	ret = hisi_clk_register_fixed_rate(hi3798cv200_fixed_rate_clks, +				     ARRAY_SIZE(hi3798cv200_fixed_rate_clks), +				     clk_data); +	if (ret) +		return ERR_PTR(ret); + +	ret = hisi_clk_register_mux(hi3798cv200_mux_clks, +				ARRAY_SIZE(hi3798cv200_mux_clks), +				clk_data); +	if (ret) +		goto unregister_fixed_rate; + +	ret = hisi_clk_register_gate(hi3798cv200_gate_clks, +				ARRAY_SIZE(hi3798cv200_gate_clks), +				clk_data); +	if (ret) +		goto unregister_mux; + +	ret = of_clk_add_provider(pdev->dev.of_node, +			of_clk_src_onecell_get, &clk_data->clk_data); +	if (ret) +		goto unregister_gate; + +	return clk_data; + +unregister_fixed_rate: +	hisi_clk_unregister_fixed_rate(hi3798cv200_fixed_rate_clks, +				ARRAY_SIZE(hi3798cv200_fixed_rate_clks), +				clk_data); + +unregister_mux: +	hisi_clk_unregister_mux(hi3798cv200_mux_clks, +				ARRAY_SIZE(hi3798cv200_mux_clks), +				clk_data); +unregister_gate: +	hisi_clk_unregister_gate(hi3798cv200_gate_clks, +				ARRAY_SIZE(hi3798cv200_gate_clks), +				clk_data); +	return ERR_PTR(ret); +} + +static void hi3798cv200_clk_unregister(struct platform_device *pdev) +{ +	struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + +	of_clk_del_provider(pdev->dev.of_node); + +	hisi_clk_unregister_gate(hi3798cv200_gate_clks, +				ARRAY_SIZE(hi3798cv200_gate_clks), +				crg->clk_data); +	hisi_clk_unregister_mux(hi3798cv200_mux_clks, +				ARRAY_SIZE(hi3798cv200_mux_clks), +				crg->clk_data); +	hisi_clk_unregister_fixed_rate(hi3798cv200_fixed_rate_clks, +				ARRAY_SIZE(hi3798cv200_fixed_rate_clks), +				crg->clk_data); +} + +static const struct hisi_crg_funcs hi3798cv200_crg_funcs = { +	.register_clks = hi3798cv200_clk_register, +	.unregister_clks = hi3798cv200_clk_unregister, +}; + +/* hi3798CV200 sysctrl CRG */ + +#define HI3798CV200_SYSCTRL_NR_CLKS 16 + +static const struct hisi_gate_clock hi3798cv200_sysctrl_gate_clks[] = { +	{ HISTB_IR_CLK, "clk_ir", "100m", +		CLK_SET_RATE_PARENT, 0x48, 4, 0, }, +	{ HISTB_TIMER01_CLK, "clk_timer01", "24m", +		CLK_SET_RATE_PARENT, 0x48, 6, 0, }, +	{ HISTB_UART0_CLK, "clk_uart0", "75m", +		CLK_SET_RATE_PARENT, 0x48, 10, 0, }, +}; + +static struct hisi_clock_data *hi3798cv200_sysctrl_clk_register( +					struct platform_device *pdev) +{ +	struct hisi_clock_data *clk_data; +	int ret; + +	clk_data = hisi_clk_alloc(pdev, HI3798CV200_SYSCTRL_NR_CLKS); +	if (!clk_data) +		return ERR_PTR(-ENOMEM); + +	ret = hisi_clk_register_gate(hi3798cv200_sysctrl_gate_clks, +				ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), +				clk_data); +	if (ret) +		return ERR_PTR(ret); + +	ret = of_clk_add_provider(pdev->dev.of_node, +			of_clk_src_onecell_get, &clk_data->clk_data); +	if (ret) +		goto unregister_gate; + +	return clk_data; + +unregister_gate: +	hisi_clk_unregister_gate(hi3798cv200_sysctrl_gate_clks, +				ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), +				clk_data); +	return ERR_PTR(ret); +} + +static void hi3798cv200_sysctrl_clk_unregister(struct platform_device *pdev) +{ +	struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + +	of_clk_del_provider(pdev->dev.of_node); + +	hisi_clk_unregister_gate(hi3798cv200_sysctrl_gate_clks, +				ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), +				crg->clk_data); +} + +static const struct hisi_crg_funcs hi3798cv200_sysctrl_funcs = { +	.register_clks = hi3798cv200_sysctrl_clk_register, +	.unregister_clks = hi3798cv200_sysctrl_clk_unregister, +}; + +static const struct of_device_id hi3798cv200_crg_match_table[] = { +	{ .compatible = "hisilicon,hi3798cv200-crg", +		.data = &hi3798cv200_crg_funcs }, +	{ .compatible = "hisilicon,hi3798cv200-sysctrl", +		.data = &hi3798cv200_sysctrl_funcs }, +	{ } +}; +MODULE_DEVICE_TABLE(of, hi3798cv200_crg_match_table); + +static int hi3798cv200_crg_probe(struct platform_device *pdev) +{ +	struct hisi_crg_dev *crg; + +	crg = devm_kmalloc(&pdev->dev, sizeof(*crg), GFP_KERNEL); +	if (!crg) +		return -ENOMEM; + +	crg->funcs = of_device_get_match_data(&pdev->dev); +	if (!crg->funcs) +		return -ENOENT; + +	crg->rstc = hisi_reset_init(pdev); +	if (!crg->rstc) +		return -ENOMEM; + +	crg->clk_data = crg->funcs->register_clks(pdev); +	if (IS_ERR(crg->clk_data)) { +		hisi_reset_exit(crg->rstc); +		return PTR_ERR(crg->clk_data); +	} + +	platform_set_drvdata(pdev, crg); +	return 0; +} + +static int hi3798cv200_crg_remove(struct platform_device *pdev) +{ +	struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + +	hisi_reset_exit(crg->rstc); +	crg->funcs->unregister_clks(pdev); +	return 0; +} + +static struct platform_driver hi3798cv200_crg_driver = { +	.probe          = hi3798cv200_crg_probe, +	.remove		= hi3798cv200_crg_remove, +	.driver         = { +		.name   = "hi3798cv200-crg", +		.of_match_table = hi3798cv200_crg_match_table, +	}, +}; + +static int __init hi3798cv200_crg_init(void) +{ +	return platform_driver_register(&hi3798cv200_crg_driver); +} +core_initcall(hi3798cv200_crg_init); + +static void __exit hi3798cv200_crg_exit(void) +{ +	platform_driver_unregister(&hi3798cv200_crg_driver); +} +module_exit(hi3798cv200_crg_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("HiSilicon Hi3798CV200 CRG Driver"); diff --git a/drivers/clk/hisilicon/crg.h b/drivers/clk/hisilicon/crg.h new file mode 100644 index 000000000000..e0739717de9a --- /dev/null +++ b/drivers/clk/hisilicon/crg.h @@ -0,0 +1,34 @@ +/* + * HiSilicon Clock and Reset Driver Header + * + * Copyright (c) 2016 HiSilicon Limited. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + */ + +#ifndef __HISI_CRG_H +#define __HISI_CRG_H + +struct hisi_clock_data; +struct hisi_reset_controller; + +struct hisi_crg_funcs { +	struct hisi_clock_data*	(*register_clks)(struct platform_device *pdev); +	void (*unregister_clks)(struct platform_device *pdev); +}; + +struct hisi_crg_dev { +	struct hisi_clock_data *clk_data; +	struct hisi_reset_controller *rstc; +	const struct hisi_crg_funcs *funcs; +}; + +#endif	/* __HISI_CRG_H */ diff --git a/include/dt-bindings/clock/hi3516cv300-clock.h b/include/dt-bindings/clock/hi3516cv300-clock.h new file mode 100644 index 000000000000..5ba51b8388fc --- /dev/null +++ b/include/dt-bindings/clock/hi3516cv300-clock.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2016 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __DTS_HI3516CV300_CLOCK_H +#define __DTS_HI3516CV300_CLOCK_H + +/* hi3516CV300 core CRG */ +#define HI3516CV300_APB_CLK		0 +#define HI3516CV300_UART0_CLK		1 +#define HI3516CV300_UART1_CLK		2 +#define HI3516CV300_UART2_CLK		3 +#define HI3516CV300_SPI0_CLK		4 +#define HI3516CV300_SPI1_CLK		5 +#define HI3516CV300_FMC_CLK		6 +#define HI3516CV300_MMC0_CLK		7 +#define HI3516CV300_MMC1_CLK		8 +#define HI3516CV300_MMC2_CLK		9 +#define HI3516CV300_MMC3_CLK		10 +#define HI3516CV300_ETH_CLK		11 +#define HI3516CV300_ETH_MACIF_CLK	12 +#define HI3516CV300_DMAC_CLK		13 +#define HI3516CV300_PWM_CLK		14 +#define HI3516CV300_USB2_BUS_CLK	15 +#define HI3516CV300_USB2_OHCI48M_CLK	16 +#define HI3516CV300_USB2_OHCI12M_CLK	17 +#define HI3516CV300_USB2_OTG_UTMI_CLK	18 +#define HI3516CV300_USB2_HST_PHY_CLK	19 +#define HI3516CV300_USB2_UTMI0_CLK	20 +#define HI3516CV300_USB2_PHY_CLK	21 + +/* hi3516CV300 sysctrl CRG */ +#define HI3516CV300_WDT_CLK		1 + +#endif	/* __DTS_HI3516CV300_CLOCK_H */ diff --git a/include/dt-bindings/clock/histb-clock.h b/include/dt-bindings/clock/histb-clock.h new file mode 100644 index 000000000000..181c0f070f7c --- /dev/null +++ b/include/dt-bindings/clock/histb-clock.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2016 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __DTS_HISTB_CLOCK_H +#define __DTS_HISTB_CLOCK_H + +/* clocks provided by core CRG */ +#define HISTB_OSC_CLK			0 +#define HISTB_APB_CLK			1 +#define HISTB_AHB_CLK			2 +#define HISTB_UART1_CLK		3 +#define HISTB_UART2_CLK		4 +#define HISTB_UART3_CLK		5 +#define HISTB_I2C0_CLK		6 +#define HISTB_I2C1_CLK		7 +#define HISTB_I2C2_CLK		8 +#define HISTB_I2C3_CLK		9 +#define HISTB_I2C4_CLK		10 +#define HISTB_I2C5_CLK		11 +#define HISTB_SPI0_CLK		12 +#define HISTB_SPI1_CLK		13 +#define HISTB_SPI2_CLK		14 +#define HISTB_SCI_CLK			15 +#define HISTB_FMC_CLK			16 +#define HISTB_MMC_BIU_CLK		17 +#define HISTB_MMC_CIU_CLK		18 +#define HISTB_MMC_DRV_CLK		19 +#define HISTB_MMC_SAMPLE_CLK		20 +#define HISTB_SDIO0_BIU_CLK		21 +#define HISTB_SDIO0_CIU_CLK		22 +#define HISTB_SDIO0_DRV_CLK		23 +#define HISTB_SDIO0_SAMPLE_CLK	24 +#define HISTB_PCIE_AUX_CLK		25 +#define HISTB_PCIE_PIPE_CLK		26 +#define HISTB_PCIE_SYS_CLK		27 +#define HISTB_PCIE_BUS_CLK		28 +#define HISTB_ETH0_MAC_CLK		29 +#define HISTB_ETH0_MACIF_CLK		30 +#define HISTB_ETH1_MAC_CLK		31 +#define HISTB_ETH1_MACIF_CLK		32 +#define HISTB_COMBPHY1_CLK		33 + + +/* clocks provided by mcu CRG */ +#define HISTB_MCE_CLK	1 +#define HISTB_IR_CLK	2 +#define HISTB_TIMER01_CLK	3 +#define HISTB_LEDC_CLK	4 +#define HISTB_UART0_CLK	5 +#define HISTB_LSADC_CLK	6 + +#endif	/* __DTS_HISTB_CLOCK_H */ | 
