linux-kernel - [PATCH 1/1] arm64: dts: qcom: ipq8074: add MicroSD node

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Date:   Sun, 10 Dec 2023 23:20:15 +0800
From:   Chukun Pan <amadeus@....edu.cn>
To:     Andy Gross <agross@...nel.org>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH 1/1] arm64: dts: qcom: ipq8074: add MicroSD node

Enable MicroSD card found on ipq8074 devices.
Tested fine when SD card IO voltage is 3.3v.

Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index a4f7ae35be27..4f23c4459112 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -422,6 +422,26 @@ sdhc_1: mmc@...4900 {
 			status = "disabled";
 		};
 
+		sdhc_2: mmc@...4900 {
+			compatible = "qcom,sdhci-msm-v4";
+			reg = <0x7864900 0x500>, <0x7864000 0x800>;
+			reg-names = "hc", "core";
+
+			interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 221 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "hc_irq", "pwr_irq";
+
+			clocks = <&gcc GCC_SDCC2_AHB_CLK>,
+				 <&gcc GCC_SDCC2_APPS_CLK>,
+				 <&xo>;
+			clock-names = "iface", "core", "xo";
+			resets = <&gcc GCC_SDCC2_BCR>;
+			max-frequency = <192000000>;
+			bus-width = <4>;
+
+			status = "disabled";
+		};
+
 		blsp_dma: dma-controller@...4000 {
 			compatible = "qcom,bam-v1.7.0";
 			reg = <0x07884000 0x2b000>;
-- 
2.25.1