linux-kernel - [PATCH 2/4] arm64: dts: qcom: sm8350: Add SDHCI2

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Message-Id: <20221115172828.14372-2-konrad.dybcio@linaro.org>
Date:   Tue, 15 Nov 2022 18:28:26 +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>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
Subject: [PATCH 2/4] arm64: dts: qcom: sm8350: Add SDHCI2

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

The setup is *literally* 1:1 with 8450 (bar SDR50/104 may not be
broken).

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8350.dtsi | 79 ++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index 552c0da3c479..9a118112facb 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -1761,6 +1761,46 @@ tlmm: pinctrl@...0000 {
 			gpio-ranges = <&tlmm 0 0 204>;
 			wakeup-parent = <&pdc>;
 
+			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;
+				};
+			};
+
+			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;
+				};
+			};
+
 			qup_uart3_default_state: qup-uart3-default-state {
 				rx-pins {
 					pins = "gpio18";
@@ -2329,6 +2369,45 @@ compute-cb@8 {
 			};
 		};
 
+		sdhc_2: sdhci@...4000 {
+			compatible = "qcom,sm8350-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 SM8350_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_hsphy: phy@...3000 {
 			compatible = "qcom,sm8350-usb-hs-phy",
 				     "qcom,usb-snps-hs-7nm-phy";
-- 
2.38.1