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Diffstat (limited to 'Documentation/devicetree/bindings/memory-controllers')
4 files changed, 363 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml index 2f36ac23604c..0762e0ff66ef 100644 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml @@ -33,6 +33,7 @@ properties: - mediatek,mt2712-smi-common - mediatek,mt6779-smi-common - mediatek,mt6795-smi-common + - mediatek,mt6893-smi-common - mediatek,mt8167-smi-common - mediatek,mt8173-smi-common - mediatek,mt8183-smi-common diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml index 2381660b324c..2e7fac4b5094 100644 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml @@ -21,6 +21,7 @@ properties: - mediatek,mt2712-smi-larb - mediatek,mt6779-smi-larb - mediatek,mt6795-smi-larb + - mediatek,mt6893-smi-larb - mediatek,mt8167-smi-larb - mediatek,mt8173-smi-larb - mediatek,mt8183-smi-larb diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,rzg3e-xspi.yaml b/Documentation/devicetree/bindings/memory-controllers/renesas,rzg3e-xspi.yaml new file mode 100644 index 000000000000..2bfe63ec62dc --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/renesas,rzg3e-xspi.yaml @@ -0,0 +1,135 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/renesas,rzg3e-xspi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas Expanded Serial Peripheral Interface (xSPI) + +maintainers: + - Biju Das <biju.das.jz@bp.renesas.com> + +description: | + Renesas xSPI allows a SPI flash connected to the SoC to be accessed via + the memory-mapping or the manual command mode. + + The flash chip itself should be represented by a subnode of the XSPI node. + The flash interface is selected based on the "compatible" property of this + subnode: + - "jedec,spi-nor"; + +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + +properties: + compatible: + const: renesas,r9a09g047-xspi # RZ/G3E + + reg: + items: + - description: xSPI registers + - description: direct mapping area + + reg-names: + items: + - const: regs + - const: dirmap + + interrupts: + items: + - description: Interrupt pulse signal by factors excluding errors + - description: Interrupt pulse signal by error factors + + interrupt-names: + items: + - const: pulse + - const: err_pulse + + clocks: + items: + - description: AHB clock + - description: AXI clock + - description: SPI clock + - description: Double speed SPI clock + + clock-names: + items: + - const: ahb + - const: axi + - const: spi + - const: spix2 + + power-domains: + maxItems: 1 + + resets: + items: + - description: Hardware reset + - description: AXI reset + + reset-names: + items: + - const: hresetn + - const: aresetn + + renesas,xspi-cs-addr-sys: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + Phandle to the system controller (sys) that allows to configure + xSPI CS0 and CS1 addresses. + +patternProperties: + "flash@[0-9a-f]+$": + type: object + additionalProperties: true + + properties: + compatible: + contains: + const: jedec,spi-nor + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-names + - clocks + - clock-names + - power-domains + - resets + - reset-names + - '#address-cells' + - '#size-cells' + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/renesas,r9a09g047-cpg.h> + + spi@11030000 { + compatible = "renesas,r9a09g047-xspi"; + reg = <0x11030000 0x10000>, <0x20000000 0x10000000>; + reg-names = "regs", "dirmap"; + interrupts = <GIC_SPI 228 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 229 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "pulse", "err_pulse"; + clocks = <&cpg CPG_MOD 0x9f>, <&cpg CPG_MOD 0xa0>, + <&cpg CPG_CORE 9>, <&cpg CPG_MOD 0xa1>; + clock-names = "ahb", "axi", "spi", "spix2"; + power-domains = <&cpg>; + resets = <&cpg 0xa3>, <&cpg 0xa4>; + reset-names = "hresetn", "aresetn"; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <40000000>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <1>; + }; + }; diff --git a/Documentation/devicetree/bindings/memory-controllers/st,stm32mp25-omm.yaml b/Documentation/devicetree/bindings/memory-controllers/st,stm32mp25-omm.yaml new file mode 100644 index 000000000000..344878db8818 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/st,stm32mp25-omm.yaml @@ -0,0 +1,226 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/st,stm32mp25-omm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STM32 Octo Memory Manager (OMM) + +maintainers: + - Patrice Chotard <patrice.chotard@foss.st.com> + +description: | + The STM32 Octo Memory Manager is a low-level interface that enables an + efficient OCTOSPI pin assignment with a full I/O matrix (before alternate + function map) and multiplex of single/dual/quad/octal SPI interfaces over + the same bus. It Supports up to: + - Two single/dual/quad/octal SPI interfaces + - Two ports for pin assignment + +properties: + compatible: + const: st,stm32mp25-omm + + "#address-cells": + const: 2 + + "#size-cells": + const: 1 + + ranges: + description: | + Reflects the memory layout per OSPI instance. + Format: + <chip-select> 0 <registers base address> <size> + minItems: 2 + maxItems: 2 + + reg: + items: + - description: OMM registers + - description: OMM memory map area + + reg-names: + items: + - const: regs + - const: memory_map + + memory-region: + description: + Memory region shared between the 2 OCTOSPI instance. + One or two phandle to a node describing a memory mapped region + depending of child number. + minItems: 1 + maxItems: 2 + + memory-region-names: + description: + Identify to which OSPI instance the memory region belongs to. + items: + enum: [ospi1, ospi2] + minItems: 1 + maxItems: 2 + + clocks: + maxItems: 3 + + clock-names: + items: + - const: omm + - const: ospi1 + - const: ospi2 + + resets: + maxItems: 3 + + reset-names: + items: + - const: omm + - const: ospi1 + - const: ospi2 + + access-controllers: + maxItems: 1 + + power-domains: + maxItems: 1 + + st,syscfg-amcr: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: | + The Address Mapping Control Register (AMCR) is used to split the 256MB + memory map area shared between the 2 OSPI instance. The Octo Memory + Manager sets the AMCR depending of the memory-region configuration. + The memory split bitmask description is: + - 000: OCTOSPI1 (256 Mbytes), OCTOSPI2 unmapped + - 001: OCTOSPI1 (192 Mbytes), OCTOSPI2 (64 Mbytes) + - 010: OCTOSPI1 (128 Mbytes), OCTOSPI2 (128 Mbytes) + - 011: OCTOSPI1 (64 Mbytes), OCTOSPI2 (192 Mbytes) + - 1xx: OCTOSPI1 unmapped, OCTOSPI2 (256 Mbytes) + items: + - items: + - description: phandle to syscfg + - description: register offset within syscfg + - description: register bitmask for memory split + + st,omm-req2ack-ns: + description: + In multiplexed mode (MUXEN = 1), this field defines the time in + nanoseconds between two transactions. + default: 0 + + st,omm-cssel-ovr: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Configure the chip select selector override for the 2 OCTOSPIs. + - 0: OCTOSPI1 chip select send to NCS1 OCTOSPI2 chip select send to NCS1 + - 1: OCTOSPI1 chip select send to NCS2 OCTOSPI2 chip select send to NCS1 + - 2: OCTOSPI1 chip select send to NCS1 OCTOSPI2 chip select send to NCS2 + - 3: OCTOSPI1 chip select send to NCS2 OCTOSPI2 chip select send to NCS2 + minimum: 0 + maximum: 3 + default: 0 + + st,omm-mux: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Configure the muxing between the 2 OCTOSPIs busses and the 2 output ports. + - 0: direct mode + - 1: mux OCTOSPI1 and OCTOSPI2 to port 1 + - 2: swapped mode + - 3: mux OCTOSPI1 and OCTOSPI2 to port 2 + minimum: 0 + maximum: 3 + default: 0 + +patternProperties: + ^spi@[0-9]: + type: object + $ref: /schemas/spi/st,stm32mp25-ospi.yaml# + description: Required spi child node + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - clocks + - clock-names + - resets + - reset-names + - st,syscfg-amcr + - ranges + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/st,stm32mp25-rcc.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/reset/st,stm32mp25-rcc.h> + ommanager@40500000 { + compatible = "st,stm32mp25-omm"; + reg = <0x40500000 0x400>, <0x60000000 0x10000000>; + reg-names = "regs", "memory_map"; + ranges = <0 0 0x40430000 0x400>, + <1 0 0x40440000 0x400>; + memory-region = <&mm_ospi1>, <&mm_ospi2>; + memory-region-names = "ospi1", "ospi2"; + pinctrl-0 = <&ospi_port1_clk_pins_a + &ospi_port1_io03_pins_a + &ospi_port1_cs0_pins_a>; + pinctrl-1 = <&ospi_port1_clk_sleep_pins_a + &ospi_port1_io03_sleep_pins_a + &ospi_port1_cs0_sleep_pins_a>; + pinctrl-names = "default", "sleep"; + clocks = <&rcc CK_BUS_OSPIIOM>, + <&scmi_clk CK_SCMI_OSPI1>, + <&scmi_clk CK_SCMI_OSPI2>; + clock-names = "omm", "ospi1", "ospi2"; + resets = <&rcc OSPIIOM_R>, + <&scmi_reset RST_SCMI_OSPI1>, + <&scmi_reset RST_SCMI_OSPI2>; + reset-names = "omm", "ospi1", "ospi2"; + access-controllers = <&rifsc 111>; + power-domains = <&CLUSTER_PD>; + #address-cells = <2>; + #size-cells = <1>; + st,syscfg-amcr = <&syscfg 0x2c00 0x7>; + st,omm-req2ack-ns = <0>; + st,omm-mux = <0>; + st,omm-cssel-ovr = <0>; + + spi@0 { + compatible = "st,stm32mp25-ospi"; + reg = <0 0 0x400>; + memory-region = <&mm_ospi1>; + interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>; + dmas = <&hpdma 2 0x62 0x00003121 0x0>, + <&hpdma 2 0x42 0x00003112 0x0>; + dma-names = "tx", "rx"; + clocks = <&scmi_clk CK_SCMI_OSPI1>; + resets = <&scmi_reset RST_SCMI_OSPI1>, <&scmi_reset RST_SCMI_OSPI1DLL>; + access-controllers = <&rifsc 74>; + power-domains = <&CLUSTER_PD>; + #address-cells = <1>; + #size-cells = <0>; + st,syscfg-dlyb = <&syscfg 0x1000>; + }; + + spi@1 { + compatible = "st,stm32mp25-ospi"; + reg = <1 0 0x400>; + memory-region = <&mm_ospi1>; + interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; + dmas = <&hpdma 3 0x62 0x00003121 0x0>, + <&hpdma 3 0x42 0x00003112 0x0>; + dma-names = "tx", "rx"; + clocks = <&scmi_clk CK_KER_OSPI2>; + resets = <&scmi_reset RST_SCMI_OSPI2>, <&scmi_reset RST_SCMI_OSPI1DLL>; + access-controllers = <&rifsc 75>; + power-domains = <&CLUSTER_PD>; + #address-cells = <1>; + #size-cells = <0>; + st,syscfg-dlyb = <&syscfg 0x1000>; + }; + }; |