[PATCH v5 5/7] riscv: dts: thead: Add TH1520 mmc controllers and sdhci clock

Drew Fustini dfustini at baylibre.com
Fri Nov 10 16:07:45 PST 2023


On Fri, Nov 10, 2023 at 12:10:34PM +0100, Krzysztof Kozlowski wrote:
> On 10/11/2023 06:41, Drew Fustini wrote:
> > Add node for the SDHCI fixed clock. Add mmc0 node for the first mmc
> > controller instance which is typically connected to the eMMC device.
> > Add mmc1 node for the second mmc controller instance which is typically
> > connected to microSD slot.
> > 
> > Signed-off-by: Drew Fustini <dfustini at baylibre.com>
> > ---
> >  arch/riscv/boot/dts/thead/th1520.dtsi | 23 +++++++++++++++++++++++
> >  1 file changed, 23 insertions(+)
> > 
> > diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
> > index ff364709a6df..f5ec9326c4b8 100644
> > --- a/arch/riscv/boot/dts/thead/th1520.dtsi
> > +++ b/arch/riscv/boot/dts/thead/th1520.dtsi
> > @@ -134,6 +134,13 @@ uart_sclk: uart-sclk-clock {
> >  		#clock-cells = <0>;
> >  	};
> >  
> > +	sdhci_clk: sdhci-clock {
> > +		compatible = "fixed-clock";
> > +		clock-frequency = <198000000>;
> > +		clock-output-names = "sdhci_clk";
> > +		#clock-cells = <0>;
> > +	};
> > +
> >  	soc {
> >  		compatible = "simple-bus";
> >  		interrupt-parent = <&plic>;
> > @@ -292,6 +299,22 @@ dmac0: dma-controller at ffefc00000 {
> >  			status = "disabled";
> >  		};
> >  
> > +		mmc0: mmc at ffe7080000 {
> > +			compatible = "thead,th1520-dwcmshc";
> > +			reg = <0xff 0xe7080000 0x0 0x10000>;
> > +			interrupts = <62 IRQ_TYPE_LEVEL_HIGH>;
> > +			clocks = <&sdhci_clk>;
> > +			clock-names = "core";
> 
> You miss disable in each mmc node.
> 
> Best regards,
> Krzysztof

Thank you for reviewing. I will add 'status = "disabled"' to each node.

Drew
> 



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