On Tue, 17 Jun 2025 at 18:49, Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote: > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > Add SDHI bindings for the Renesas RZ/T2H (a.k.a R9A09G077) and RZ/N2H > (a.k.a R9A09G087) SoCs. Use `renesas,sdhi-r9a09g057` as a fallback since > the SD/MMC block on these SoCs is identical to the one on RZ/V2H(P), > allowing reuse of the existing driver without modifications. > > Update the binding schema to reflect differences: unlike RZ/V2H(P), > RZ/T2H and RZ/N2H do not require the `resets` property and use only a > two clocks instead of four. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> Applied for next, thanks! Kind regards Uffe > --- > v1->v2: > - Added the high speed clock to the clocks list. > --- > .../devicetree/bindings/mmc/renesas,sdhi.yaml | 85 ++++++++++++------- > 1 file changed, 53 insertions(+), 32 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml > index 7563623876fc..ba15ccbda61a 100644 > --- a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml > +++ b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml > @@ -72,6 +72,8 @@ properties: > - enum: > - renesas,sdhi-r9a09g047 # RZ/G3E > - renesas,sdhi-r9a09g056 # RZ/V2N > + - renesas,sdhi-r9a09g077 # RZ/T2H > + - renesas,sdhi-r9a09g087 # RZ/N2H > - const: renesas,sdhi-r9a09g057 # RZ/V2H(P) > > reg: > @@ -129,59 +131,78 @@ allOf: > compatible: > contains: > enum: > - - renesas,sdhi-r9a09g057 > - - renesas,rzg2l-sdhi > + - renesas,sdhi-r9a09g077 > + - renesas,sdhi-r9a09g087 > then: > properties: > + resets: false > clocks: > items: > - - description: IMCLK, SDHI channel main clock1. > - - description: CLK_HS, SDHI channel High speed clock which operates > - 4 times that of SDHI channel main clock1. > - - description: IMCLK2, SDHI channel main clock2. When this clock is > - turned off, external SD card detection cannot be > - detected. > - - description: ACLK, SDHI channel bus clock. > + - description: ACLK, IMCLK, SDHI channel bus and main clocks. > + - description: CLK_HS, SDHI channel High speed clock. > clock-names: > items: > - - const: core > - - const: clkh > - - const: cd > - const: aclk > - required: > - - clock-names > - - resets > + - const: clkh > else: > if: > properties: > compatible: > contains: > enum: > - - renesas,rcar-gen2-sdhi > - - renesas,rcar-gen3-sdhi > - - renesas,rcar-gen4-sdhi > + - renesas,sdhi-r9a09g057 > + - renesas,rzg2l-sdhi > then: > properties: > clocks: > - minItems: 1 > - maxItems: 3 > - clock-names: > - minItems: 1 > - uniqueItems: true > items: > - - const: core > - - enum: [ clkh, cd ] > - - const: cd > - else: > - properties: > - clocks: > - minItems: 1 > - maxItems: 2 > + - description: IMCLK, SDHI channel main clock1. > + - description: CLK_HS, SDHI channel High speed clock which operates > + 4 times that of SDHI channel main clock1. > + - description: IMCLK2, SDHI channel main clock2. When this clock is > + turned off, external SD card detection cannot be > + detected. > + - description: ACLK, SDHI channel bus clock. > clock-names: > - minItems: 1 > items: > - const: core > + - const: clkh > - const: cd > + - const: aclk > + required: > + - clock-names > + - resets > + else: > + if: > + properties: > + compatible: > + contains: > + enum: > + - renesas,rcar-gen2-sdhi > + - renesas,rcar-gen3-sdhi > + - renesas,rcar-gen4-sdhi > + then: > + properties: > + clocks: > + minItems: 1 > + maxItems: 3 > + clock-names: > + minItems: 1 > + uniqueItems: true > + items: > + - const: core > + - enum: [ clkh, cd ] > + - const: cd > + else: > + properties: > + clocks: > + minItems: 1 > + maxItems: 2 > + clock-names: > + minItems: 1 > + items: > + - const: core > + - const: cd > > - if: > properties: > -- > 2.49.0 >
