rockchip: rk3399: Add ROC-RK3399-PC support

Add initial support for ROC-RK3399-PC board. Specification - Rockchip RK3399 - LPDDR4 4GiB - eMMC slot - SD card slot - RTL8211E 1Gbps - HDMI Out, DP, MIPI DSI/CSI, EDP - PCIe M.2 - USB 2.0, USB-3.0 - USB C Type Commit details of rk3399-roc-pc.dts sync from Linux v5.2: "arm64: dts: rockchip: add support for ROC-RK3399-PC board" (sha1: 8bb878cf20ae10809c36db96993bfce7026d062b) Signed-off-by: Levin Du <[email protected]> Reviewed-by: Kever Yang <[email protected]>
lukasauer · Aug 19, 2019 · 8a681f4 · 8a681f4
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commit 8a681f4
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diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
@@ -119,6 +119,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3399) += \
 	rk3399-puma-ddr1333.dtb \
 	rk3399-puma-ddr1600.dtb \
 	rk3399-puma-ddr1866.dtb \
+	rk3399-roc-pc.dtb \
 	rk3399-rock-pi-4.dtb \
 	rk3399-rock960.dtb \
 	rk3399-rockpro64.dtb

diff --git a/arch/arm/dts/rk3399-roc-pc-u-boot.dtsi b/arch/arm/dts/rk3399-roc-pc-u-boot.dtsi
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Levin Du <[email protected]>
+ */
+
+#include "rk3399-u-boot.dtsi"
+#include "rk3399-sdram-lpddr4-100.dtsi"
+
+/ {
+	chosen {
+		u-boot,spl-boot-order = "same-as-spl", &sdhci, &sdmmc;
+	};
+};
+
+&vdd_log {
+	regulator-min-microvolt = <430000>;
+	regulator-init-microvolt = <950000>;
+};