Merge branch 'fix/D23_add_revC1_support' into 'develop'

[D23] Add support for revC1 BOM revision

See merge request arm/rockchip/linux-seco-rk4.4!32

arch/arm64/boot/dts/seco/Makefile

@@ -4,6 +4,7 @@ endif
 
 dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-rk3399-c31.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revc.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revc1.dtb
 
 # dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revc-hdmi.dtb
 # dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revc-lvds-800x480.dtb

arch/arm64/boot/dts/seco/seco-px30-d23-revc.dtsi

@@ -824,6 +824,7 @@
 	sd-uhs-sdr50;
 	sd-uhs-sdr104;
 	mmc-hs200-1_8v;
+    max-frequency=<25000000>;
 	supports-sdio;
 	ignore-pm-notify;
 	keep-power-in-suspend;

arch/arm64/boot/dts/seco/seco-px30-d23-revc1.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
+ */
+
+/dts-v1/;
+
+#include "seco-px30-d23-revc1.dtsi"
+