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wip-pinebook-pro/u-boot/0001-rk3399-pinebook-fix-sdcard-boot-from-emmc.patch
2020-01-17 18:25:49 -05:00

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From 2778aa7cb70946c4729ed6ae13dea5bd1cc688dc Mon Sep 17 00:00:00 2001
From: dhivael <dhivael.git@eno.space>
Date: Sat, 11 Jan 2020 15:02:44 +0100
Subject: [PATCH 1/6] rk3399: pinebook: fix sdcard boot from emmc
booting from emmc does not set all DT properties required for the sd
slot to function properly. this is a copy of the linux DT configuration
for the slot now.
---
arch/arm/dts/rk3399-pinebook-pro.dts | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/rk3399-pinebook-pro.dts b/arch/arm/dts/rk3399-pinebook-pro.dts
index 85ce0206d74..1234f715c1e 100644
--- a/arch/arm/dts/rk3399-pinebook-pro.dts
+++ b/arch/arm/dts/rk3399-pinebook-pro.dts
@@ -65,6 +65,8 @@
clock-names = "ext_clock";
pinctrl-names = "default";
pinctrl-0 = <&wifi_enable_h>;
+ power-off-delay-us = <500000>;
+ post-power-on-delay-ms = <100>;
/*
* On the module itself this is one of these (depending
@@ -503,8 +505,16 @@
&sdmmc {
bus-width = <4>;
- status = "okay";
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
+ disable-wp;
+ sd-uhs-sdr104;
max-frequency = <20000000>;
+ vqmmc-supply = <&vcc_sdio>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
+ status = "okay";
};
&sdhci {
--
2.23.1