[PATCH v2] arm64: dts: qcom: sc8280xp: Add SDC2 and enable on CRD

[Bjorn Andersson]

The CRD has Micro SD slot, introduce the necessary DeviceTree nodes for
enabling this.

Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
---

Changes since v1:
- Order of pinctr-N and pinctrl-names
- Reset GCC_SDCC2_BCR and not sdc4

 arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 81 +++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/sc8280xp.dtsi    | 43 ++++++++++++
 2 files changed, 124 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index 5b25d54b9591..ff9cebbccfcb 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -308,6 +308,13 @@ vreg_l1c: ldo1 {
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 
+		vreg_l6c: ldo6 {
+			regulator-name = "vreg_l6c";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
 		vreg_l7c: ldo7 {
 			regulator-name = "vreg_l7c";
 			regulator-min-microvolt = <2504000>;
@@ -318,6 +325,13 @@ vreg_l7c: ldo7 {
 						   RPMH_REGULATOR_MODE_HPM>;
 		};
 
+		vreg_l9c: ldo9 {
+			regulator-name = "vreg_l9c";
+			regulator-min-microvolt = <2960000>;
+			regulator-max-microvolt = <2960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
 		vreg_l13c: ldo13 {
 			regulator-name = "vreg_l13c";
 			regulator-min-microvolt = <3072000>;
@@ -600,6 +614,19 @@ &remoteproc_nsp0 {
 	status = "okay";
 };
 
+&sdc2 {
+	pinctrl-0 = <&sdc2_default_state>;
+	pinctrl-1 = <&sdc2_sleep_state>;
+	pinctrl-names = "default", "sleep";
+
+	vmmc-supply = <&vreg_l9c>;
+	vqmmc-supply = <&vreg_l6c>;
+
+	cd-gpios = <&tlmm 131 GPIO_ACTIVE_LOW>;
+
+	status = "okay";
+};
+
 &uart17 {
 	compatible = "qcom,geni-debug-uart";
 
@@ -842,6 +869,60 @@ wake-n-pins {
 		};
 	};
 
+	sdc2_default_state: sdc2-default-state {
+		clk-pins {
+			pins = "sdc2_clk";
+			drive-strength = <16>;
+			bias-disable;
+		};
+
+		cmd-pins {
+			pins = "sdc2_cmd";
+			drive-strength = <16>;
+			bias-pull-up;
+		};
+
+		data-pins {
+			pins = "sdc2_data";
+			drive-strength = <16>;
+			bias-pull-up;
+		};
+
+		card-detect-pins {
+			pins = "gpio131";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	sdc2_sleep_state: sdc2-sleep-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;
+		};
+
+		card-detect-pins {
+			pins = "gpio131";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
 	tpad_default: tpad-default-state {
 		int-n-pins {
 			pins = "gpio182";
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index 8fa9fbfe5d00..3711f109aeaf 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -2815,6 +2815,49 @@ data-pins {
 			};
 		};
 
+		sdc2: mmc@8804000 {
+			compatible = "qcom,sc8280xp-sdhci", "qcom,sdhci-msm-v5";
+			reg = <0 0x08804000 0 0x1000>;
+
+			interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 223 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "hc_irq", "pwr_irq";
+
+			clocks = <&gcc GCC_SDCC2_AHB_CLK>,
+				 <&gcc GCC_SDCC2_APPS_CLK>,
+				 <&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "iface", "core", "xo";
+			resets = <&gcc GCC_SDCC2_BCR>;
+			interconnects = <&aggre2_noc MASTER_SDCC_2 0 &mc_virt SLAVE_EBI1 0>,
+					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_SDCC_2 0>;
+			interconnect-names = "sdhc-ddr","cpu-sdhc";
+			iommus = <&apps_smmu 0x4e0 0x0>;
+			power-domains = <&rpmhpd SC8280XP_CX>;
+			operating-points-v2 = <&sdc2_opp_table>;
+			bus-width = <4>;
+			dma-coherent;
+
+			status = "disabled";
+
+			sdc2_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-100000000 {
+					opp-hz = /bits/ 64 <100000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <1800000 400000>;
+					opp-avg-kBps = <100000 0>;
+				};
+
+				opp-202000000 {
+					opp-hz = /bits/ 64 <202000000>;
+					required-opps = <&rpmhpd_opp_svs_l1>;
+					opp-peak-kBps = <5400000 1600000>;
+					opp-avg-kBps = <200000 0>;
+				};
+			};
+		};
+
 		usb_0_qmpphy: phy@88eb000 {
 			compatible = "qcom,sc8280xp-qmp-usb43dp-phy";
 			reg = <0 0x088eb000 0 0x4000>;
-- 
2.25.1