Re: [PATCH v2 02/13] arm64: dts: qcom: lemans: Add SDHC controller and SDC pin configuration

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 9/3/25 1:47 PM, Wasim Nazir wrote:
> From: Monish Chunara <quic_mchunara@quicinc.com>
> 
> Introduce the SDHC v5 controller node for the Lemans platform.
> This controller supports either eMMC or SD-card, but only one
> can be active at a time. SD-card is the preferred configuration
> on Lemans targets, so describe this controller.
> 
> Define the SDC interface pins including clk, cmd, and data lines
> to enable proper communication with the SDHC controller.
> 
> Signed-off-by: Monish Chunara <quic_mchunara@quicinc.com>
> Co-developed-by: Wasim Nazir <wasim.nazir@oss.qualcomm.com>
> Signed-off-by: Wasim Nazir <wasim.nazir@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/lemans.dtsi | 91 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 91 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> index 99a566b42ef2..9e4709dce32b 100644
> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> @@ -3834,6 +3834,57 @@ apss_tpdm2_out: endpoint {
>  			};
>  		};
>  
> +		sdhc: mmc@87c4000 {
> +			compatible = "qcom,sa8775p-sdhci", "qcom,sdhci-msm-v5";
> +			reg = <0x0 0x087c4000 0x0 0x1000>;
> +
> +			interrupts = <GIC_SPI 383 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 521 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "hc_irq", "pwr_irq";

1 entry per line in xx-names too, please> +
> +			clocks = <&gcc GCC_SDCC1_AHB_CLK>,
> +				 <&gcc GCC_SDCC1_APPS_CLK>;
> +			clock-names = "iface", "core";
> +
> +			interconnects = <&aggre1_noc MASTER_SDC 0 &mc_virt SLAVE_EBI1 0>,
> +					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_SDC1 0>;

QCOM_ICC_TAG_ALWAYS for the first path, both endpoints
QCOM_ICC_TAG_ACTIVE_ONLY for the second one

[...]

> +
> +				data-pins {
> +					pins = "sdc1_data";
> +					bias-pull-up;

Please put bias properties below drive-strength for consistency

Konrad