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ARM: dts: rockchip: rv1103g-battery-ipc-v10: Update some sdio optimizations

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1. Reduce sdio_clk to 30M to reduce interference with rf performance.
2. Setting no-prescan-powerup/post-power-on-delay-ms property saves
   about 50ms of sdio_card initialization time

Signed-off-by: Yao Xiao <xiaoyao@rock-chips.com>
Change-Id: I3ea179c9ceada54ad129863f83aeca9f45166d97
This commit is contained in:
Yao Xiao
2022-08-27 17:05:07 +08:00
committed by Tao Huang
parent 140d78dad3
commit 16a10f04c6
1 changed files with 3 additions and 1 deletions
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4
arch/arm/boot/dts/rv1103g-battery-ipc-v10.dts
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@@ -287,7 +287,7 @@
};
&sdio {
max-frequency = <50000000>;
max-frequency = <30000000>;
no-sd;
no-mmc;
bus-width = <4>;
@@ -297,6 +297,8 @@
non-removable;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc1m1_cmd &sdmmc1m1_clk &sdmmc1m1_bus4>;
no-prescan-powerup;
post-power-on-delay-ms = <0>;
status = "okay";
};