On 19/06/2024 07:46, Shan-Chun Hung wrote: > Add binding for Nuvoton MA35D1 SDHCI controller. > > Signed-off-by: schung <schung@xxxxxxxxxxx> Since this was not tested, only limited review follows. Please test your future patches. > --- > .../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: | Do not need '|' unless you need to preserve formatting. > + This controller on Nuvoton MA35 family SoCs provides an interface for MMC, SD, and > + SDIO types of memory cards. > + > +properties: > + compatible: > + oneOf: Drop > + - enum: > + - nuvoton,ma35d1-sdhci Blank line > + reg: > + maxItems: 1 > + description: The SDHCI registers Drop > + > + interrupts: > + maxItems: 1 > + > + pinctrl-names: > + description: > + Should at least contain default and state_uhs. ? Contradicts constraints. > + 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 No, maxItems instead. > + description: The SDHCI bus clock Drop > + > + resets: > + maxItems: 1 > + description: > + Phandle and reset specifier pair to softreset line of sdhci. Drop > + > + nuvoton,sys: 1. too generic, what is sys? > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > + Phandle to the syscon that configure sdhci votage stable 2. typo: voltage 3. Which syscon? 4. Why you are not implementing regulators? > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - pinctrl-names > + - pinctrl-0 > + > +unevaluatedProperties: false Hm? And where is ref to MMC schema? > + > +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>; Fix your indentation. Use 4 spaces for example indentation. > + sdhci0: sdhci@40180000 { Drop label > + 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"; Drop > + }; > + > + sdhci1: sdhci@40190000 { Drop this example. One is enough. Best regards, Krzysztof