diff options
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
20 files changed, 633 insertions, 271 deletions
diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml new file mode 100644 index 000000000000..818130b11bb9 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml @@ -0,0 +1,107 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/mediatek,spi-mt65xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SPI Bus controller for MediaTek ARM SoCs + +maintainers: + - Leilk Liu <leilk.liu@mediatek.com> + +allOf: + - $ref: "/schemas/spi/spi-controller.yaml#" + +properties: + compatible: + oneOf: + - items: + - enum: + - mediatek,mt7629-spi + - const: mediatek,mt7622-spi + - items: + - enum: + - mediatek,mt8516-spi + - const: mediatek,mt2712-spi + - items: + - enum: + - mediatek,mt6779-spi + - mediatek,mt8186-spi + - mediatek,mt8192-spi + - mediatek,mt8195-spi + - const: mediatek,mt6765-spi + - items: + - enum: + - mediatek,mt7986-spi-ipm + - const: mediatek,spi-ipm + - items: + - enum: + - mediatek,mt2701-spi + - mediatek,mt2712-spi + - mediatek,mt6589-spi + - mediatek,mt6765-spi + - mediatek,mt6893-spi + - mediatek,mt7622-spi + - mediatek,mt8135-spi + - mediatek,mt8173-spi + - mediatek,mt8183-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: clock used for the parent clock + - description: clock used for the muxes clock + - description: clock used for the clock gate + + clock-names: + items: + - const: parent-clk + - const: sel-clk + - const: spi-clk + + mediatek,pad-select: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 4 + items: + enum: [0, 1, 2, 3] + description: + specify which pins group(ck/mi/mo/cs) spi controller used. + This is an array. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - '#address-cells' + - '#size-cells' + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/mt8173-clk.h> + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi@1100a000 { + compatible = "mediatek,mt8173-spi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1100a000 0x1000>; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>; + clocks = <&topckgen CLK_TOP_SYSPLL3_D2>, + <&topckgen CLK_TOP_SPI_SEL>, + <&pericfg CLK_PERI_SPI0>; + clock-names = "parent-clk", "sel-clk", "spi-clk"; + cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>; + mediatek,pad-select = <1>, <0>; + }; diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml index 4e4694e3d539..41e60fe4b09f 100644 --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml @@ -18,7 +18,7 @@ description: | capability of this controller. allOf: - - $ref: /spi/spi-controller.yaml# + - $ref: /schemas/spi/spi-controller.yaml# properties: compatible: @@ -30,6 +30,7 @@ properties: - mediatek,mt7622-nor - mediatek,mt7623-nor - mediatek,mt7629-nor + - mediatek,mt8186-nor - mediatek,mt8192-nor - mediatek,mt8195-nor - enum: @@ -49,6 +50,8 @@ properties: - description: clock used for controller - description: clock used for nor dma bus. this depends on hardware design, so this is optional. + - description: clock used for controller axi slave bus. + this depends on hardware design, so it is optional. clock-names: minItems: 2 @@ -56,6 +59,7 @@ properties: - const: spi - const: sf - const: axi + - const: axi_s required: - compatible diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-slave-mt27xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-slave-mt27xx.yaml new file mode 100644 index 000000000000..7977799a8ee1 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-slave-mt27xx.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/mediatek,spi-slave-mt27xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SPI Slave controller for MediaTek ARM SoCs + +maintainers: + - Leilk Liu <leilk.liu@mediatek.com> + +allOf: + - $ref: "/schemas/spi/spi-controller.yaml#" + +properties: + compatible: + enum: + - mediatek,mt2712-spi-slave + - mediatek,mt8195-spi-slave + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: spi + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/mt2712-clk.h> + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi@10013000 { + compatible = "mediatek,mt2712-spi-slave"; + reg = <0x10013000 0x100>; + interrupts = <GIC_SPI 283 IRQ_TYPE_LEVEL_LOW>; + clocks = <&infracfg CLK_INFRA_AO_SPI1>; + clock-names = "spi"; + assigned-clocks = <&topckgen CLK_TOP_SPISLV_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL1_D2>; + }; diff --git a/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml new file mode 100644 index 000000000000..ece261b8e963 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/microchip,mpfs-spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MPFS {Q,}SPI Controller Device Tree Bindings + +maintainers: + - Conor Dooley <conor.dooley@microchip.com> + +allOf: + - $ref: spi-controller.yaml# + +properties: + compatible: + enum: + - microchip,mpfs-spi + - microchip,mpfs-qspi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clock-names: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include "dt-bindings/clock/microchip,mpfs-clock.h" + spi@20108000 { + compatible = "microchip,mpfs-spi"; + reg = <0x20108000 0x1000>; + clocks = <&clkcfg CLK_SPI0>; + interrupt-parent = <&plic>; + interrupts = <54>; + spi-max-frequency = <25000000>; + }; +... diff --git a/Documentation/devicetree/bindings/spi/mxicy,mx25f0a-spi.yaml b/Documentation/devicetree/bindings/spi/mxicy,mx25f0a-spi.yaml new file mode 100644 index 000000000000..9202c44b4478 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/mxicy,mx25f0a-spi.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/mxicy,mx25f0a-spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Macronix SPI controller device tree bindings + +maintainers: + - Miquel Raynal <miquel.raynal@bootlin.com> + +allOf: + - $ref: "spi-controller.yaml#" + +properties: + compatible: + const: mxicy,mx25f0a-spi + + reg: + minItems: 2 + maxItems: 2 + + reg-names: + items: + - const: regs + - const: dirmap + + interrupts: + maxItems: 1 + + clocks: + minItems: 3 + maxItems: 3 + + clock-names: + items: + - const: send_clk + - const: send_dly_clk + - const: ps_clk + + nand-ecc-engine: + description: NAND ECC engine used by the SPI controller in order to perform + on-the-fly correction when using a SPI-NAND memory. + $ref: /schemas/types.yaml#/definitions/phandle + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + spi@43c30000 { + compatible = "mxicy,mx25f0a-spi"; + reg = <0x43c30000 0x10000>, <0xa0000000 0x20000000>; + reg-names = "regs", "dirmap"; + clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 18>; + clock-names = "send_clk", "send_dly_clk", "ps_clk"; + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml index 35a8045b2c70..0296edd1de22 100644 --- a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml @@ -19,6 +19,7 @@ properties: - nvidia,tegra210-qspi - nvidia,tegra186-qspi - nvidia,tegra194-qspi + - nvidia,tegra234-qspi reg: maxItems: 1 @@ -106,7 +107,7 @@ examples: dma-names = "rx", "tx"; flash@0 { - compatible = "spi-nor"; + compatible = "jedec,spi-nor"; reg = <0>; spi-max-frequency = <104000000>; spi-tx-bus-width = <2>; diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml b/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml index 055524fe8327..5a60fba14bba 100644 --- a/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml +++ b/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml @@ -16,7 +16,7 @@ description: The QSPI controller allows SPI protocol communication in single, as NOR flash. allOf: - - $ref: /spi/spi-controller.yaml# + - $ref: /schemas/spi/spi-controller.yaml# properties: compatible: diff --git a/Documentation/devicetree/bindings/spi/renesas,rspi.yaml b/Documentation/devicetree/bindings/spi/renesas,rspi.yaml index 76e6d9e52fc7..2c3c6bd6ec45 100644 --- a/Documentation/devicetree/bindings/spi/renesas,rspi.yaml +++ b/Documentation/devicetree/bindings/spi/renesas,rspi.yaml @@ -22,7 +22,8 @@ properties: - renesas,rspi-r7s72100 # RZ/A1H - renesas,rspi-r7s9210 # RZ/A2 - renesas,r9a07g044-rspi # RZ/G2{L,LC} - - const: renesas,rspi-rz # RZ/A and RZ/G2{L,LC} + - renesas,r9a07g054-rspi # RZ/V2L + - const: renesas,rspi-rz - items: - enum: @@ -124,6 +125,7 @@ allOf: enum: - renesas,qspi - renesas,r9a07g044-rspi + - renesas,r9a07g054-rspi then: required: - resets diff --git a/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml new file mode 100644 index 000000000000..f0db3fb3d688 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml @@ -0,0 +1,33 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/samsung,spi-peripheral-props.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Peripheral-specific properties for Samsung S3C/S5P/Exynos SoC SPI controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +description: + See spi-peripheral-props.yaml for more info. + +properties: + controller-data: + type: object + additionalProperties: false + + properties: + samsung,spi-feedback-delay: + description: | + The sampling phase shift to be applied on the miso line (to account + for any lag in the miso line). Valid values: + - 0: No phase shift. + - 1: 90 degree phase shift sampling. + - 2: 180 degree phase shift sampling. + - 3: 270 degree phase shift sampling. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + +additionalProperties: true diff --git a/Documentation/devicetree/bindings/spi/samsung,spi.yaml b/Documentation/devicetree/bindings/spi/samsung,spi.yaml new file mode 100644 index 000000000000..bf9a76d931d2 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/samsung,spi.yaml @@ -0,0 +1,188 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/samsung,spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S3C/S5P/Exynos SoC SPI controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +description: + All the SPI controller nodes should be represented in the aliases node using + the following format 'spi{n}' where n is a unique number for the alias. + +properties: + compatible: + oneOf: + - enum: + - samsung,s3c2443-spi # for S3C2443, S3C2416 and S3C2450 + - samsung,s3c6410-spi + - samsung,s5pv210-spi # for S5PV210 and S5PC110 + - samsung,exynos5433-spi + - tesla,fsd-spi + - const: samsung,exynos7-spi + deprecated: true + + clocks: + minItems: 2 + maxItems: 3 + + clock-names: + minItems: 2 + maxItems: 3 + + cs-gpios: true + + dmas: + minItems: 2 + maxItems: 2 + + dma-names: + items: + - const: tx + - const: rx + + interrupts: + maxItems: 1 + + no-cs-readback: + description: + The CS line is disconnected, therefore the device should not operate + based on CS signalling. + type: boolean + + num-cs: + minimum: 1 + maximum: 4 + default: 1 + + samsung,spi-src-clk: + description: + If the spi controller includes a internal clock mux to select the clock + source for the spi bus clock, this property can be used to indicate the + clock to be used for driving the spi bus clock. If not specified, the + clock number 0 is used as default. + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + + reg: + maxItems: 1 + +required: + - compatible + - clocks + - clock-names + - dmas + - dma-names + - interrupts + - reg + +allOf: + - $ref: spi-controller.yaml# + - if: + properties: + compatible: + contains: + const: samsung,exynos5433-spi + then: + properties: + clocks: + minItems: 3 + maxItems: 3 + clock-names: + items: + - const: spi + - enum: + - spi_busclk0 + - spi_busclk1 + - spi_busclk2 + - spi_busclk3 + - const: spi_ioclk + else: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: spi + - enum: + - spi_busclk0 + - spi_busclk1 + - spi_busclk2 + - spi_busclk3 + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/exynos5433.h> + #include <dt-bindings/clock/samsung,s2mps11.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/gpio/gpio.h> + + spi@14d30000 { + compatible = "samsung,exynos5433-spi"; + reg = <0x14d30000 0x100>; + interrupts = <GIC_SPI 433 IRQ_TYPE_LEVEL_HIGH>; + dmas = <&pdma0 11>, <&pdma0 10>; + dma-names = "tx", "rx"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cmu_peric CLK_PCLK_SPI1>, + <&cmu_peric CLK_SCLK_SPI1>, + <&cmu_peric CLK_SCLK_IOCLK_SPI1>; + clock-names = "spi", + "spi_busclk0", + "spi_ioclk"; + samsung,spi-src-clk = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&spi1_bus>; + num-cs = <1>; + + cs-gpios = <&gpd6 3 GPIO_ACTIVE_HIGH>; + + audio-codec@0 { + compatible = "wlf,wm5110"; + reg = <0x0>; + spi-max-frequency = <20000000>; + interrupt-parent = <&gpa0>; + interrupts = <4 IRQ_TYPE_NONE>; + clocks = <&pmu_system_controller 0>, + <&s2mps13_osc S2MPS11_CLK_BT>; + clock-names = "mclk1", "mclk2"; + + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + + wlf,micd-detect-debounce = <300>; + wlf,micd-bias-start-time = <0x1>; + wlf,micd-rate = <0x7>; + wlf,micd-dbtime = <0x2>; + wlf,micd-force-micbias; + wlf,micd-configs = <0x0 1 0>; + wlf,hpdet-channel = <1>; + wlf,gpsw = <0x1>; + wlf,inmode = <2 0 2 0>; + + wlf,reset = <&gpc0 7 GPIO_ACTIVE_HIGH>; + wlf,ldoena = <&gpf0 0 GPIO_ACTIVE_HIGH>; + + /* core supplies */ + AVDD-supply = <&ldo18_reg>; + DBVDD1-supply = <&ldo18_reg>; + CPVDD-supply = <&ldo18_reg>; + DBVDD2-supply = <&ldo18_reg>; + DBVDD3-supply = <&ldo18_reg>; + SPKVDDL-supply = <&ldo18_reg>; + SPKVDDR-supply = <&ldo18_reg>; + + controller-data { + samsung,spi-feedback-delay = <0>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml index 36b72518f565..ebb4d5f1cf4f 100644 --- a/Documentation/devicetree/bindings/spi/spi-controller.yaml +++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml @@ -93,9 +93,7 @@ properties: patternProperties: "^.*@[0-9a-f]+$": type: object - - allOf: - - $ref: spi-peripheral-props.yaml + $ref: spi-peripheral-props.yaml required: - compatible @@ -139,4 +137,11 @@ examples: spi-max-frequency = <100000>; reg = <1>; }; + + flash@2 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + reg = <2>, <3>; + stacked-memories = /bits/ 64 <0x10000000 0x10000000>; + }; }; diff --git a/Documentation/devicetree/bindings/spi/spi-mt65xx.txt b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt deleted file mode 100644 index 2a24969159cc..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-mt65xx.txt +++ /dev/null @@ -1,68 +0,0 @@ -Binding for MTK SPI controller - -Required properties: -- compatible: should be one of the following. - - mediatek,mt2701-spi: for mt2701 platforms - - mediatek,mt2712-spi: for mt2712 platforms - - mediatek,mt6589-spi: for mt6589 platforms - - mediatek,mt6765-spi: for mt6765 platforms - - mediatek,mt7622-spi: for mt7622 platforms - - "mediatek,mt7629-spi", "mediatek,mt7622-spi": for mt7629 platforms - - mediatek,mt8135-spi: for mt8135 platforms - - mediatek,mt8173-spi: for mt8173 platforms - - mediatek,mt8183-spi: for mt8183 platforms - - mediatek,mt6893-spi: for mt6893 platforms - - "mediatek,mt8192-spi", "mediatek,mt6765-spi": for mt8192 platforms - - "mediatek,mt8195-spi", "mediatek,mt6765-spi": for mt8195 platforms - - "mediatek,mt8516-spi", "mediatek,mt2712-spi": for mt8516 platforms - - "mediatek,mt6779-spi", "mediatek,mt6765-spi": for mt6779 platforms - -- #address-cells: should be 1. - -- #size-cells: should be 0. - -- reg: Address and length of the register set for the device - -- interrupts: Should contain spi interrupt - -- clocks: phandles to input clocks. - The first should be one of the following. It's PLL. - - <&clk26m>: specify parent clock 26MHZ. - - <&topckgen CLK_TOP_SYSPLL3_D2>: specify parent clock 109MHZ. - It's the default one. - - <&topckgen CLK_TOP_SYSPLL4_D2>: specify parent clock 78MHZ. - - <&topckgen CLK_TOP_UNIVPLL2_D4>: specify parent clock 104MHZ. - - <&topckgen CLK_TOP_UNIVPLL1_D8>: specify parent clock 78MHZ. - The second should be <&topckgen CLK_TOP_SPI_SEL>. It's clock mux. - The third is <&pericfg CLK_PERI_SPI0>. It's clock gate. - -- clock-names: shall be "parent-clk" for the parent clock, "sel-clk" for the - muxes clock, and "spi-clk" for the clock gate. - -Optional properties: --cs-gpios: see spi-bus.txt. - -- mediatek,pad-select: specify which pins group(ck/mi/mo/cs) spi - controller used. This is an array, the element value should be 0~3, - only required for MT8173. - 0: specify GPIO69,70,71,72 for spi pins. - 1: specify GPIO102,103,104,105 for spi pins. - 2: specify GPIO128,129,130,131 for spi pins. - 3: specify GPIO5,6,7,8 for spi pins. - -Example: - -- SoC Specific Portion: -spi: spi@1100a000 { - compatible = "mediatek,mt8173-spi"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0 0x1100a000 0 0x1000>; - interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>; - clocks = <&topckgen CLK_TOP_SYSPLL3_D2>, - <&topckgen CLK_TOP_SPI_SEL>, - <&pericfg CLK_PERI_SPI0>; - clock-names = "parent-clk", "sel-clk", "spi-clk"; - cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>; - mediatek,pad-select = <1>, <0>; -}; diff --git a/Documentation/devicetree/bindings/spi/spi-mxic.txt b/Documentation/devicetree/bindings/spi/spi-mxic.txt deleted file mode 100644 index 529f2dab2648..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-mxic.txt +++ /dev/null @@ -1,34 +0,0 @@ -Macronix SPI controller Device Tree Bindings --------------------------------------------- - -Required properties: -- compatible: should be "mxicy,mx25f0a-spi" -- #address-cells: should be 1 -- #size-cells: should be 0 -- reg: should contain 2 entries, one for the registers and one for the direct - mapping area -- reg-names: should contain "regs" and "dirmap" -- interrupts: interrupt line connected to the SPI controller -- clock-names: should contain "ps_clk", "send_clk" and "send_dly_clk" -- clocks: should contain 3 entries for the "ps_clk", "send_clk" and - "send_dly_clk" clocks - -Example: - - spi@43c30000 { - compatible = "mxicy,mx25f0a-spi"; - reg = <0x43c30000 0x10000>, <0xa0000000 0x20000000>; - reg-names = "regs", "dirmap"; - clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 18>; - clock-names = "send_clk", "send_dly_clk", "ps_clk"; - #address-cells = <1>; - #size-cells = <0>; - - flash@0 { - compatible = "jedec,spi-nor"; - reg = <0>; - spi-max-frequency = <25000000>; - spi-tx-bus-width = <4>; - spi-rx-bus-width = <4>; - }; - }; diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml index 283815d59e85..1b552c298277 100644 --- a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml +++ b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml @@ -7,7 +7,8 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: NXP Flex Serial Peripheral Interface (FSPI) maintainers: - - Kuldeep Singh <kuldeep.singh@nxp.com> + - Han Xu <han.xu@nxp.com> + - Kuldeep Singh <singh.kuldeep87k@gmail.com> allOf: - $ref: "spi-controller.yaml#" diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml index 5dd209206e88..5e32928c4fc3 100644 --- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml +++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml @@ -23,8 +23,9 @@ properties: minItems: 1 maxItems: 256 items: - minimum: 0 - maximum: 256 + items: + - minimum: 0 + maximum: 256 description: Chip select used by the device. @@ -82,8 +83,34 @@ properties: description: Delay, in microseconds, after a write transfer. + stacked-memories: + description: Several SPI memories can be wired in stacked mode. + This basically means that either a device features several chip + selects, or that different devices must be seen as a single + bigger chip. This basically doubles (or more) the total address + space with only a single additional wire, while still needing + to repeat the commands when crossing a chip boundary. The size of + each chip should be provided as members of the array. + $ref: /schemas/types.yaml#/definitions/uint64-array + minItems: 2 + maxItems: 4 + + parallel-memories: + description: Several SPI memories can be wired in parallel mode. + The devices are physically on a different buses but will always + act synchronously as each data word is spread across the + different memories (eg. even bits are stored in one memory, odd + bits in the other). This basically doubles the address space and + the throughput while greatly complexifying the wiring because as + many busses as devices must be wired. The size of each chip should + be provided as members of the array. + $ref: /schemas/types.yaml#/definitions/uint64-array + minItems: 2 + maxItems: 4 + # The controller specific properties go here. allOf: - $ref: cdns,qspi-nor-peripheral-props.yaml# + - $ref: samsung,spi-peripheral-props.yaml# additionalProperties: true diff --git a/Documentation/devicetree/bindings/spi/spi-pl022.yaml b/Documentation/devicetree/bindings/spi/spi-pl022.yaml index 6d633728fc2b..bda45ff3d294 100644 --- a/Documentation/devicetree/bindings/spi/spi-pl022.yaml +++ b/Documentation/devicetree/bindings/spi/spi-pl022.yaml @@ -38,9 +38,7 @@ properties: clock-names: items: - - enum: - - SSPCLK - - sspclk + - const: sspclk - const: apb_pclk pl022,autosuspend-delay: diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt deleted file mode 100644 index 49028a4f5df1..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-samsung.txt +++ /dev/null @@ -1,122 +0,0 @@ -* Samsung SPI Controller - -The Samsung SPI controller is used to interface with various devices such as flash -and display controllers using the SPI communication interface. - -Required SoC Specific Properties: - -- compatible: should be one of the following. - - samsung,s3c2443-spi: for s3c2443, s3c2416 and s3c2450 platforms - - samsung,s3c6410-spi: for s3c6410 platforms - - samsung,s5pv210-spi: for s5pv210 and s5pc110 platforms - - samsung,exynos5433-spi: for exynos5433 compatible controllers - - samsung,exynos7-spi: for exynos7 platforms <DEPRECATED> - -- reg: physical base address of the controller and length of memory mapped - region. - -- interrupts: The interrupt number to the cpu. The interrupt specifier format - depends on the interrupt controller. - -- dmas : Two or more DMA channel specifiers following the convention outlined - in bindings/dma/dma.txt - -- dma-names: Names for the dma channels. There must be at least one channel - named "tx" for transmit and named "rx" for receive. - -- clocks: specifies the clock IDs provided to the SPI controller; they are - required for interacting with the controller itself, for synchronizing the bus - and as I/O clock (the latter is required by exynos5433 and exynos7). - -- clock-names: string names of the clocks in the 'clocks' property; for all the - the devices the names must be "spi", "spi_busclkN" (where N is determined by - "samsung,spi-src-clk"), while Exynos5433 should specify a third clock - "spi_ioclk" for the I/O clock. - -Required Board Specific Properties: - -- #address-cells: should be 1. -- #size-cells: should be 0. - -Optional Board Specific Properties: - -- samsung,spi-src-clk: If the spi controller includes a internal clock mux to - select the clock source for the spi bus clock, this property can be used to - indicate the clock to be used for driving the spi bus clock. If not specified, - the clock number 0 is used as default. - -- num-cs: Specifies the number of chip select lines supported. If - not specified, the default number of chip select lines is set to 1. - -- cs-gpios: should specify GPIOs used for chipselects (see spi-bus.txt) - -- no-cs-readback: the CS line is disconnected, therefore the device should not - operate based on CS signalling. - -SPI Controller specific data in SPI slave nodes: - -- The spi slave nodes should provide the following information which is required - by the spi controller. - - - samsung,spi-feedback-delay: The sampling phase shift to be applied on the - miso line (to account for any lag in the miso line). The following are the - valid values. - - - 0: No phase shift. - - 1: 90 degree phase shift sampling. - - 2: 180 degree phase shift sampling. - - 3: 270 degree phase shift sampling. - -Aliases: - -- All the SPI controller nodes should be represented in the aliases node using - the following format 'spi{n}' where n is a unique number for the alias. - - -Example: - -- SoC Specific Portion: - - spi_0: spi@12d20000 { - compatible = "samsung,exynos4210-spi"; - reg = <0x12d20000 0x100>; - interrupts = <0 66 0>; - dmas = <&pdma0 5 - &pdma0 4>; - dma-names = "tx", "rx"; - #address-cells = <1>; - #size-cells = <0>; - }; - -- Board Specific Portion: - - spi_0: spi@12d20000 { - #address-cells = <1>; - #size-cells = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&spi0_bus>; - cs-gpios = <&gpa2 5 0>; - - w25q80bw@0 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "w25x80"; - reg = <0>; - spi-max-frequency = <10000>; - - controller-data { - samsung,spi-feedback-delay = <0>; - }; - - partition@0 { - label = "U-Boot"; - reg = <0x0 0x40000>; - read-only; - }; - - partition@40000 { - label = "Kernel"; - reg = <0x40000 0xc0000>; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/spi/spi-slave-mt27xx.txt b/Documentation/devicetree/bindings/spi/spi-slave-mt27xx.txt deleted file mode 100644 index 9192724540fd..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-slave-mt27xx.txt +++ /dev/null @@ -1,33 +0,0 @@ -Binding for MTK SPI Slave controller - -Required properties: -- compatible: should be one of the following. - - mediatek,mt2712-spi-slave: for mt2712 platforms - - mediatek,mt8195-spi-slave: for mt8195 platforms -- reg: Address and length of the register set for the device. -- interrupts: Should contain spi interrupt. -- clocks: phandles to input clocks. - It's clock gate, and should be <&infracfg CLK_INFRA_AO_SPI1>. -- clock-names: should be "spi" for the clock gate. - -Optional properties: -- assigned-clocks: it's mux clock, should be <&topckgen CLK_TOP_SPISLV_SEL>. -- assigned-clock-parents: parent of mux clock. - It's PLL, and should be one of the following. - - <&topckgen CLK_TOP_UNIVPLL1_D2>: specify parent clock 312MHZ. - It's the default one. - - <&topckgen CLK_TOP_UNIVPLL1_D4>: specify parent clock 156MHZ. - - <&topckgen CLK_TOP_UNIVPLL2_D4>: specify parent clock 104MHZ. - - <&topckgen CLK_TOP_UNIVPLL1_D8>: specify parent clock 78MHZ. - -Example: -- SoC Specific Portion: -spis1: spi@10013000 { - compatible = "mediatek,mt2712-spi-slave"; - reg = <0 0x10013000 0 0x100>; - interrupts = <GIC_SPI 283 IRQ_TYPE_LEVEL_LOW>; - clocks = <&infracfg CLK_INFRA_AO_SPI1>; - clock-names = "spi"; - assigned-clocks = <&topckgen CLK_TOP_SPISLV_SEL>; - assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL1_D2>; -}; diff --git a/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml b/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml new file mode 100644 index 000000000000..3a58cf0f1ec8 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. 2021 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/spi-sunplus-sp7021.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sunplus sp7021 SPI controller + +allOf: + - $ref: "spi-controller.yaml" + +maintainers: + - Li-hao Kuo <lhjeff911@gmail.com> + +properties: + compatible: + enum: + - sunplus,sp7021-spi + + reg: + items: + - description: the SPI master registers + - description: the SPI slave registers + + reg-names: + items: + - const: master + - const: slave + + interrupt-names: + items: + - const: dma_w + - const: master_risc + - const: slave_risc + + interrupts: + minItems: 3 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-names + - clocks + - resets + - pinctrl-names + - pinctrl-0 + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + spi@9C002D80 { + compatible = "sunplus,sp7021-spi"; + reg = <0x9C002D80 0x80>, <0x9C002E00 0x80>; + reg-names = "master", "slave"; + interrupt-parent = <&intc>; + interrupt-names = "dma_w", + "master_risc", + "slave_risc"; + interrupts = <144 IRQ_TYPE_LEVEL_HIGH>, + <146 IRQ_TYPE_LEVEL_HIGH>, + <145 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkc 0x32>; + resets = <&rstc 0x22>; + pinctrl-names = "default"; + pinctrl-0 = <&pins_spi0>; + }; +... diff --git a/Documentation/devicetree/bindings/spi/sprd,spi-adi.yaml b/Documentation/devicetree/bindings/spi/sprd,spi-adi.yaml index fe014020da69..a3ab1a1f1eb4 100644 --- a/Documentation/devicetree/bindings/spi/sprd,spi-adi.yaml +++ b/Documentation/devicetree/bindings/spi/sprd,spi-adi.yaml @@ -44,7 +44,7 @@ description: | compatibility. allOf: - - $ref: /spi/spi-controller.yaml# + - $ref: /schemas/spi/spi-controller.yaml# properties: compatible: |