linux-kernel - Re: [PATCH 1/1] arm64: dts: qcom: ipq6018: enable sdhci node

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Date: Tue, 9 Jan 2024 11:17:30 +0100
From: Robert Marko <robimarko@...il.com>
To: Chukun Pan <amadeus@....edu.cn>, Bjorn Andersson <andersson@...nel.org>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh+dt@...nel.org>,
 linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org
Subject: Re: [PATCH 1/1] arm64: dts: qcom: ipq6018: enable sdhci node


On 07. 01. 2024. 13:28, Chukun Pan wrote:
> Enable mmc device found on ipq6018 devices.
> This node supports both eMMC and SD cards.
>
> Tested with:
>    eMMC (HS200)
>    SD Card (SDR50/SDR104)
>
> Signed-off-by: Chukun Pan <amadeus@....edu.cn>
L2 LDO should be used as VQMMC supply, otherwise you cannot change 
between 3 and 1.8V.

Regards,
Robert
> ---
>   arch/arm64/boot/dts/qcom/ipq6018.dtsi | 22 ++++++++++++++++++++++
>   1 file changed, 22 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> index 5e1277fea725..39fb38914a1e 100644
> --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> @@ -436,6 +436,28 @@ dwc_1: usb@...0000 {
>   			};
>   		};
>   
> +		sdhc: mmc@...4000 {
> +			compatible = "qcom,ipq6018-sdhci", "qcom,sdhci-msm-v5";
> +			reg = <0x0 0x7804000 0x0 0x1000>,
> +			      <0x0 0x7805000 0x0 0x1000>;
> +			reg-names = "hc", "cqhci";
> +
> +			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "hc_irq", "pwr_irq";
> +
> +			clocks = <&gcc GCC_SDCC1_AHB_CLK>,
> +				 <&gcc GCC_SDCC1_APPS_CLK>,
> +				 <&xo>;
> +			clock-names = "iface", "core", "xo";
> +			resets = <&gcc GCC_SDCC1_BCR>;
> +			max-frequency = <192000000>;
> +			mmc-ddr-1_8v;
> +			mmc-hs200-1_8v;
> +
> +			status = "disabled";
> +		};
> +
>   		blsp_dma: dma-controller@...4000 {
>   			compatible = "qcom,bam-v1.7.0";
>   			reg = <0x0 0x07884000 0x0 0x2b000>;