1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi b/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi
new file mode 100644
index 000000000..27fb06ce9
--- /dev/null
+++ b/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Google Veyron (and derivatives) fragment for sdmmc cards
+ *
+ * Copyright 2015 Google, Inc
+ */
+
+&io_domains {
+	sdcard-supply = <&vccio_sd>;
+};
+
+&pinctrl {
+	sdmmc {
+		/*
+		 * We run sdmmc at max speed; bump up drive strength.
+		 * We also have external pulls, so disable the internal ones.
+		 */
+		sdmmc_bus4: sdmmc-bus4 {
+			rockchip,pins = <6 RK_PC0 1 &pcfg_pull_none_drv_8ma>,
+					<6 RK_PC1 1 &pcfg_pull_none_drv_8ma>,
+					<6 RK_PC2 1 &pcfg_pull_none_drv_8ma>,
+					<6 RK_PC3 1 &pcfg_pull_none_drv_8ma>;
+		};
+
+		sdmmc_clk: sdmmc-clk {
+			rockchip,pins = <6 RK_PC4 1 &pcfg_pull_none_drv_8ma>;
+		};
+
+		sdmmc_cmd: sdmmc-cmd {
+			rockchip,pins = <6 RK_PC5 1 &pcfg_pull_none_drv_8ma>;
+		};
+
+		/*
+		 * Builtin CD line is hooked to ground to prevent JTAG at boot
+		 * (and also to get the voltage rail correct).
+		 * Configure gpio6_C6 as GPIO so dw_mmc builtin CD doesn't
+		 * think there's a card inserted
+		 */
+		sdmmc_cd_disabled: sdmmc-cd-disabled {
+			rockchip,pins = <6 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		/* This is where we actually hook up CD */
+		sdmmc_cd_pin: sdmmc-cd-pin {
+			rockchip,pins = <7 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&rk808 {
+	vcc9-supply = <&vcc_5v>;
+
+	regulators {
+		vccio_sd: LDO_REG4 {
+			regulator-name = "vccio_sd";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-state-mem {
+				regulator-off-in-suspend;
+			};
+		};
+
+		vcc33_sd: LDO_REG5 {
+			regulator-name = "vcc33_sd";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-state-mem {
+				regulator-off-in-suspend;
+			};
+		};
+	};
+};
+
+&sdmmc {
+	status = "okay";
+
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	card-detect-delay = <200>;
+	cd-gpios = <&gpio7 RK_PA5 GPIO_ACTIVE_LOW>;
+	rockchip,default-sample-phase = <90>;
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	vmmc-supply = <&vcc33_sd>;
+	vqmmc-supply = <&vccio_sd>;
+};