Convert Mediatek ARM SOC's SPI Master controller binding to json-schema format. Signed-off-by: Leilk Liu <leilk.liu@xxxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../bindings/spi/mediatek,spi-mt65xx.yaml | 101 ++++++++++++++++++ .../devicetree/bindings/spi/spi-mt65xx.txt | 68 ------------ 2 files changed, 101 insertions(+), 68 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml delete mode 100644 Documentation/devicetree/bindings/spi/spi-mt65xx.txt 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..ea977fba49a7 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml @@ -0,0 +1,101 @@ +# 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@xxxxxxxxxxxx> + +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,mt8192-spi + - mediatek,mt8195-spi + - const: mediatek,mt6765-spi + - 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 + 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/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>; -}; -- 2.25.1
