From 0c9a276d459db0c16468cf2bae502eefd379c61b Mon Sep 17 00:00:00 2001 From: Paolo Sabatino Date: Wed, 21 Apr 2021 11:02:43 +0000 Subject: [PATCH] rk3318-box: add emmc hs200 device tree overlay --- arch/arm64/boot/dts/rockchip/overlay/Makefile | 3 ++- .../dts/rockchip/overlay/README.rockchip-overlays | 6 ++++++ .../overlay/rockchip-rk3318-box-emmc-hs200.dts | 14 ++++++++++++++ 3 files changed, 22 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-emmc-hs200.dts diff --git a/arch/arm64/boot/dts/rockchip/overlay/Makefile b/arch/arm64/boot/dts/rockchip/overlay/Makefile index 42b19bd85..f227d5997 100644 --- a/arch/arm64/boot/dts/rockchip/overlay/Makefile +++ b/arch/arm64/boot/dts/rockchip/overlay/Makefile @@ -16,7 +16,8 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP) += \ rockchip-rk3318-box-wlan-ap6334.dtbo \ rockchip-rk3318-box-wlan-ext.dtbo \ rockchip-rk3318-box-wlan-ap6330.dtbo \ - rockchip-rk3318-box-cpu-hs.dtbo + rockchip-rk3318-box-cpu-hs.dtbo \ + rockchip-rk3318-box-emmc-hs200.dtbo scr-$(CONFIG_ARCH_ROCKCHIP) += \ rockchip-fixup.scr diff --git a/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays b/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays index 2fc9b00fe..1b547bea7 100644 --- a/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays +++ b/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays @@ -130,6 +130,12 @@ Activates eMMC DDR capability for rk3318 tv box boards. Probably all the eMMC ch nowadays support DDR mode, but its reliability heavily depends upon the quality of board wiring +### rk3318-box-emmc-hs200 + +Activates eMMC HS200 capability for rk3318 tv box boards. +It should in autodetect mode, but some board have faulty or cheap circuitry that +enable the mode but then it doesn't work correctly. + ### rk3318-box-wlan-ap6334 Set up additional device tree bits to properly support ap6334 (broadcom BCM4334) diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-emmc-hs200.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-emmc-hs200.dts new file mode 100644 index 000000000..55f8f7eb6 --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-emmc-hs200.dts @@ -0,0 +1,14 @@ +/dts-v1/; +/plugin/; + +/ { + + fragment@0 { + target = <&emmc>; + __overlay__ { + status = "okay"; + mmc-hs200-1_8v; + }; + }; + +}; -- 2.25.1