linux-kernel - [PATCH v2 2/3] arm64: dts: qcom: sm6375: Add SDHCI2

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Date:   Wed,  9 Nov 2022 15:41:52 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org
Cc:     patches@...aro.org, Konrad Dybcio <konrad.dybcio@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/3] arm64: dts: qcom: sm6375: Add SDHCI2

Configure the second SDHCI bus controller, which usually the
interface used for SD cards.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
Changes since v1:
- use mmc@ node name instead of sdhci@

 arch/arm64/boot/dts/qcom/sm6375.dtsi | 82 ++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6375.dtsi b/arch/arm64/boot/dts/qcom/sm6375.dtsi
index 6adffd927a8e..08587c8681b2 100644
--- a/arch/arm64/boot/dts/qcom/sm6375.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6375.dtsi
@@ -540,6 +540,46 @@ tlmm: pinctrl@...000 {
 			#interrupt-cells = <2>;
 			#gpio-cells = <2>;
 
+			sdc2_off_state: sdc2-off-state {
+				clk-pins {
+					pins = "sdc2_clk";
+					drive-strength = <2>;
+					bias-disable;
+				};
+
+				cmd-pins {
+					pins = "sdc2_cmd";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+
+				data-pins {
+					pins = "sdc2_data";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+			};
+
+			sdc2_on_state: sdc2-on-state {
+				clk-pins {
+					pins = "sdc2_clk";
+					drive-strength = <16>;
+					bias-disable;
+				};
+
+				cmd-pins {
+					pins = "sdc2_cmd";
+					drive-strength = <10>;
+					bias-pull-up;
+				};
+
+				data-pins {
+					pins = "sdc2_data";
+					drive-strength = <10>;
+					bias-pull-up;
+				};
+			};
+
 			qup_i2c0_default: qup-i2c0-default-state {
 				pins = "gpio0", "gpio1";
 				function = "qup00";
@@ -630,6 +670,48 @@ rpm_msg_ram: sram@...0000 {
 			reg = <0 0x045f0000 0 0x7000>;
 		};
 
+		sdhc_2: mmc@...4000 {
+			compatible = "qcom,sm6375-sdhci", "qcom,sdhci-msm-v5";
+			reg = <0 0x04784000 0 0x1000>;
+
+			interrupts = <GIC_SPI 350 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 353 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "hc_irq", "pwr_irq";
+
+			clocks = <&gcc GCC_SDCC2_AHB_CLK>,
+				 <&gcc GCC_SDCC2_APPS_CLK>,
+				 <&rpmcc RPM_SMD_XO_CLK_SRC>;
+			clock-names = "iface", "core", "xo";
+			resets = <&gcc GCC_SDCC2_BCR>;
+			iommus = <&apps_smmu 0x40 0x0>;
+
+			pinctrl-0 = <&sdc2_on_state>;
+			pinctrl-1 = <&sdc2_off_state>;
+			pinctrl-names = "default", "sleep";
+
+			qcom,dll-config = <0x0007642c>;
+			qcom,ddr-config = <0x80040868>;
+			power-domains = <&rpmpd SM6375_VDDCX>;
+			operating-points-v2 = <&sdhc2_opp_table>;
+			bus-width = <4>;
+
+			status = "disabled";
+
+			sdhc2_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-100000000 {
+					opp-hz = /bits/ 64 <100000000>;
+					required-opps = <&rpmpd_opp_low_svs>;
+				};
+
+				opp-202000000 {
+					opp-hz = /bits/ 64 <202000000>;
+					required-opps = <&rpmpd_opp_svs_plus>;
+				};
+			};
+		};
+
 		gpi_dma0: dma-controller@...0000 {
 			compatible = "qcom,sm6375-gpi-dma", "qcom,sm6350-gpi-dma";
 			reg = <0 0x04a00000 0 0x60000>;
-- 
2.38.1