On Mon, Sep 30, 2019 at 09:56:13AM -0500, Rob Herring wrote:
> On Thu, Sep 12, 2019 at 10:09:06PM +0200, Ludovic Desroches wrote:
> > There is a new compatible string for the SAM9X60 sdhci device. It involves
> > an update of the properties about the clocks stuff.
> >
> > Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/mmc/sdhci-atmel.txt | 25 ++++++++++++++++---
> > 1 file changed, 22 insertions(+), 3 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt b/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
> > index 1b662d7171a0..364ceea330b6 100644
> > --- a/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
> > +++ b/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
> > @@ -5,12 +5,19 @@ Documentation/devicetree/bindings/mmc/mmc.txt and the properties used by the
> > sdhci-of-at91 driver.
> >
> > Required properties:
> > -- compatible: Must be "atmel,sama5d2-sdhci".
> > +- compatible: Must be "atmel,sama5d2-sdhci" or "microchip,sam9x60-sdhci".
> > - clocks: Phandlers to the clocks.
> > -- clock-names: Must be "hclock", "multclk", "baseclk";
> > +- clock-names: Must be "hclock", "multclk", "baseclk" for
> > + "atmel,sama5d2-sdhci".
> > + Must be "hclock", "multclk" for "microchip,sam9x60-sdhci".
> >
> > +Optional properties:
> > +- assigned-clocks: The same with "multclk".
> > +- assigned-clock-rates The rate of "multclk" in order to not rely on the
> > + gck configuration set by previous components.
> >
> > -Example:
> > +
> > +Examples:
> >
> > sdmmc0: sdio-host@a0000000 {
> > compatible = "atmel,sama5d2-sdhci";
> > @@ -18,4 +25,16 @@ sdmmc0: sdio-host@a0000000 {
> > interrupts = <31 IRQ_TYPE_LEVEL_HIGH 0>;
> > clocks = <&sdmmc0_hclk>, <&sdmmc0_gclk>, <&main>;
> > clock-names = "hclock", "multclk", "baseclk";
> > + assigned-clocks = <&sdmmc0_gclk>;
> > + assigned-clock-rates = <480000000>;
> > +};
> > +
> > +sdmmc0: sdio-host@80000000 {
>
> mmc@...
>
> Though I don't see much value in a second example. Examples are not a
> complete enumeration of all possible dts entries.
>
Ok, I'll skip this example.
Ludovic
> > + compatible = "microchip,sam9x60-sdhci";
> > + reg = <0x80000000 0x300>;
> > + interrupts = <12 IRQ_TYPE_LEVEL_HIGH 0>;
> > + clocks = <&pmc PMC_TYPE_PERIPHERAL 12>, <&pmc PMC_TYPE_GCK 12>;
> > + clock-names = "hclock", "multclk";
> > + assigned-clocks = <&pmc PMC_TYPE_GCK 12>;
> > + assigned-clock-rates = <100000000>;
> > };
> > --
> > 2.23.0
> >
