From 20e8f1ee8d2729589cd2c0b4a13df753667d6930 Mon Sep 17 00:00:00 2001
From: Konrad Dybcio <konrad.dybcio@somainline.org>
Date: Thu, 14 Jul 2022 14:34:05 +0200
Subject: [PATCH] arm64: dts: qcom: sm8450: Add SDHCI2

Add and configure the SDHCI host responsible for (mostly) SD Card and
its corresponding pins' sleep states.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220714123406.1919836-4-konrad.dybcio@somainline.org
---
 arch/arm64/boot/dts/qcom/sm8450.dtsi | 59 ++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 3c39985fda51..d5f20d45193d 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -2384,6 +2384,26 @@ tlmm: pinctrl@f100000 {
 			gpio-ranges = <&tlmm 0 0 211>;
 			wakeup-parent = <&pdc>;
 
+			sdc2_sleep_state: sdc2-sleep {
+				clk {
+					pins = "sdc2_clk";
+					drive-strength = <2>;
+					bias-disable;
+				};
+
+				cmd {
+					pins = "sdc2_cmd";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+
+				data {
+					pins = "sdc2_data";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+			};
+
 			pcie0_default_state: pcie0-default-state {
 				perst {
 					pins = "gpio94";
@@ -3145,6 +3165,45 @@ ufs_mem_phy_lanes: phy@1d87400 {
 			};
 		};
 
+		sdhc_2: sdhci@8804000 {
+			compatible = "qcom,sm8450-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 0x4a0 0x0>;
+			power-domains = <&rpmhpd SM8450_CX>;
+			operating-points-v2 = <&sdhc2_opp_table>;
+			bus-width = <4>;
+			dma-coherent;
+
+			status = "disabled";
+
+			sdhc2_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-100000000 {
+					opp-hz = /bits/ 64 <100000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+				};
+
+				opp-202000000 {
+					opp-hz = /bits/ 64 <202000000>;
+					required-opps = <&rpmhpd_opp_svs_l1>;
+				};
+			};
+		};
+
 		usb_1: usb@a6f8800 {
 			compatible = "qcom,sm8450-dwc3", "qcom,dwc3";
 			reg = <0 0x0a6f8800 0 0x400>;