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arm64: dts: rockchip: Fix SD NAND and eMMC init on rk3308-rock-pi-s
Radxa ROCK Pi S have optional onboard SD NAND on board revision v1.1,
v1.2 and v1.3, revision v1.5 changed to use optional onboard eMMC.
The optional SD NAND typically fails to initialize:
mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
mmc0: error -110 whilst initialising SD card
mmc_host mmc0: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0)
mmc0: error -110 whilst initialising SD card
mmc_host mmc0: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0)
mmc0: error -110 whilst initialising SD card
mmc_host mmc0: Bus speed (slot 0) = 100000Hz (slot req 100000Hz, actual 100000HZ div = 0)
mmc0: error -110 whilst initialising SD card
Add pinctrl and cap-sd-highspeed to fix SD NAND initialization. Also
drop bus-width and mmc-hs200-1_8v to fix eMMC initialization on the new
v1.5 board revision, only 3v3 signal voltage is used.
Fixes: 2e04c25b13
("arm64: dts: rockchip: add ROCK Pi S DTS support")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240521211029.1236094-4-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
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1 changed files with 4 additions and 2 deletions
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@ -126,10 +126,12 @@ &cpu0 {
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};
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&emmc {
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bus-width = <4>;
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cap-mmc-highspeed;
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mmc-hs200-1_8v;
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cap-sd-highspeed;
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no-sdio;
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non-removable;
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pinctrl-names = "default";
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pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd>;
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vmmc-supply = <&vcc_io>;
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status = "okay";
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};
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