On 25/08/2020 09:33:45+0200, Ulf Hansson wrote: > On Mon, 24 Aug 2020 at 17:10, Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx> wrote: > > > > The Sparx5 SDHCI controller is based on the Designware controller IP. > > > > Signed-off-by: Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx> > > --- > > .../mmc/microchip,dw-sparx5-sdhci.yaml | 65 +++++++++++++++++++ > > 1 file changed, 65 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml > > > > diff --git a/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml b/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml > > new file mode 100644 > > index 0000000000000..55883290543b9 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml > > @@ -0,0 +1,65 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/mmc/microchip,dw-sparx5-sdhci.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Microchip Sparx5 Mobile Storage Host Controller Binding > > + > > +allOf: > > + - $ref: "mmc-controller.yaml" > > + > > +maintainers: > > + - Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx> > > + > > +# Everything else is described in the common file > > +properties: > > + compatible: > > + const: microchip,dw-sparx5-sdhci > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 > > + description: > > + Handle to "core" clock for the sdhci controller. > > + > > + clock-names: > > + items: > > + - const: core > > + > > + microchip,clock-delay: > > + description: Delay clock to card to meet setup time requirements. > > + Each step increase by 1.25ns. > > + $ref: "/schemas/types.yaml#/definitions/uint32" > > + minimum: 1 > > + maximum: 15 > > + > > +required: > > + - compatible > > + - reg > > + - interrupts > > + - clocks > > + - clock-names > > + > > +examples: > > + - | > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + #include <dt-bindings/clock/microchip,sparx5.h> > > + sdhci0: mmc@600800000 { > > Nitpick: > > I think we should use solely "mmc[n]" here. So: > > mmc0@600800000 { > > Please update patch3/3 accordingly as well. This is not what the devicetree specification says. 2.2.2 says that the generic name is mmc, not mmc[n]. Since there is a proper unit-address, I don't see the need for an index here. > > > + compatible = "microchip,dw-sparx5-sdhci"; > > + reg = <0x00800000 0x1000>; > > + pinctrl-0 = <&emmc_pins>; > > + pinctrl-names = "default"; > > + clocks = <&clks CLK_ID_AUX1>; > > + clock-names = "core"; > > + assigned-clocks = <&clks CLK_ID_AUX1>; > > + assigned-clock-rates = <800000000>; > > + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>; > > + bus-width = <8>; > > + microchip,clock-delay = <10>; > > + }; > > Kind regards > Uffe -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
