Add binding for Nuvoton MA35D1 SDHCI controller. Signed-off-by: schung <schung@xxxxxxxxxxx> --- .../bindings/mmc/nuvoton,ma35d1-sdhci.yaml | 106 ++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/nuvoton,ma35d1-sdhci.yaml diff --git a/Documentation/devicetree/bindings/mmc/nuvoton,ma35d1-sdhci.yaml b/Documentation/devicetree/bindings/mmc/nuvoton,ma35d1-sdhci.yaml new file mode 100644 index 000000000000..173449360dea --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/nuvoton,ma35d1-sdhci.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/nuvoton,ma35d1-sdhci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton MA35D1 SD/SDIO/MMC Controller + +maintainers: + - Shan-Chun Hung <shanchun1218@xxxxxxxxx> + +description: | + This controller on Nuvoton MA35 family SoCs provides an interface for MMC, SD, and + SDIO types of memory cards. + +properties: + compatible: + oneOf: + - enum: + - nuvoton,ma35d1-sdhci + reg: + maxItems: 1 + description: The SDHCI registers + + interrupts: + maxItems: 1 + + pinctrl-names: + description: + Should at least contain default and state_uhs. + minItems: 1 + items: + - const: default + - const: state_uhs + + pinctrl-0: + description: + Should contain default/high speed pin ctrl. + maxItems: 1 + + pinctrl-1: + description: + Should contain uhs mode pin ctrl. + maxItems: 1 + + clocks: + minItems: 1 + description: The SDHCI bus clock + + resets: + maxItems: 1 + description: + Phandle and reset specifier pair to softreset line of sdhci. + + nuvoton,sys: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the syscon that configure sdhci votage stable + +required: + - compatible + - reg + - interrupts + - clocks + - pinctrl-names + - pinctrl-0 + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/nuvoton,ma35d1-clk.h> + #include <dt-bindings/reset/nuvoton,ma35d1-reset.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + sdhci0: sdhci@40180000 { + compatible = "nuvoton,ma35d1-sdhci"; + reg = <0x0 0x40180000 0x0 0x2000>; + interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk SDH0_GATE>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdhci0>; + bus-width = <4>; + max-frequency = <100000000>; + no-1-8-v; + status = "disabled"; + }; + + sdhci1: sdhci@40190000 { + compatible = "nuvoton,ma35d1-sdhci"; + reg = <0x0 0x40190000 0x0 0x2000>; + interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk SDH1_GATE>; + pinctrl-names = "default", "state_uhs"; + pinctrl-0 = <&pinctrl_sdhci1>; + pinctrl-1 = <&pinctrl_sdhci1_uhs>; + resets = <&sys MA35D1_RESET_SDH1>; + nuvoton,sys = <&sys>; + bus-width = <8>; + max-frequency = <200000000>; + status = "disabled"; + }; + }; -- 2.25.1
