linux-kernel - [PATCH 9/9] arm64: dts: sprd: Add Spreadtrum SD host controller support

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Message-Id: <7fc6cd63966bda900b07ac9b2156e313a6f2ac17.1558346019.git.baolin.wang@linaro.org>
Date:   Mon, 20 May 2019 18:12:02 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     adrian.hunter@...el.com, ulf.hansson@...aro.org,
        zhang.lyra@...il.com, orsonzhai@...il.com, robh+dt@...nel.org,
        mark.rutland@....com, arnd@...db.de, olof@...om.net
Cc:     baolin.wang@...aro.org, vincent.guittot@...aro.org, arm@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH 9/9] arm64: dts: sprd: Add Spreadtrum SD host controller support

Add one Spreadtrum SD host controller to support eMMC card for Spreadtrum
SC9860 platform.

Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
---
 arch/arm64/boot/dts/sprd/whale2.dtsi |   35 ++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi
index b5c5dce..86ec2b0 100644
--- a/arch/arm64/boot/dts/sprd/whale2.dtsi
+++ b/arch/arm64/boot/dts/sprd/whale2.dtsi
@@ -168,6 +168,34 @@
 				vdd-supply = <&vddusb33>;
 				sprd,vdd-voltage = <3300000>;
 			};
+
+			sdio3: sdio@...30000 {
+				compatible  = "sprd,sdhci-r11";
+				reg = <0 0x50430000 0 0x1000>;
+				interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+
+				clock-names = "sdio", "enable", "2x_enable";
+				clocks = <&aon_prediv CLK_EMMC_2X>,
+				       <&apahb_gate CLK_EMMC_EB>,
+				       <&aon_gate CLK_EMMC_2X_EN>;
+				assigned-clocks = <&aon_prediv CLK_EMMC_2X>;
+				assigned-clock-parents = <&clk_l0_409m6>;
+
+				sprd,phy-delay-mmc-hs400 = <0x44 0x7f 0x2e 0x2e>;
+				sprd,phy-delay-mmc-hs200 = <0x0 0x8c 0x8c 0x8c>;
+				sprd,phy-delay-mmc-ddr52 = <0x3f 0x75 0x14 0x14>;
+				sprd,phy-delay-mmc-hs400es = <0x3f 0x3f 0x2e 0x2e>;
+				vmmc-supply = <&vddemmccore>;
+				bus-width = <8>;
+				non-removable;
+				no-sdio;
+				no-sd;
+				cap-mmc-hw-reset;
+				mmc-hs400-enhanced-strobe;
+				mmc-hs400-1_8v;
+				mmc-hs200-1_8v;
+				mmc-ddr-1_8v;
+			};
 		};
 
 		aon {
@@ -310,4 +338,11 @@
 		clock-frequency = <100000000>;
 		clock-output-names = "ext-rco-100m";
 	};
+
+	clk_l0_409m6: clk_l0_409m6 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <409600000>;
+		clock-output-names = "ext-409m6";
+	};
 };
-- 
1.7.9.5