GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-03-18 13:11:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

rockchip: rk322x: update max-frequency for mmc node

Browse source 
mmc using 150000000 as max-frequency like what rk3288 sets.
This can speed up the mmc read/write, the actual mmc clock is:
Before this patch: 37.125M
After this patch: 49.5M

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Kever Yang 2017-07-27 12:54:00 +08:00 • committed by Philipp Tomsich
parent a2a1bfe175
commit 95ca100ba7
2 changed files with 2 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/arm/dts/rk3229-evb.dts
View file

@ -79,7 +79,6 @@
cap-sd-highspeed;
card-detect-delay = <200>;
disable-wp;
max-frequency = <50000000>;
num-slots = <1>;
supports-sd;
};

4
arch/arm/dts/rk322x.dtsi
View file

@ -388,6 +388,7 @@
sdmmc: dwmmc@30000000 {
compatible = "rockchip,rk3228-dw-mshc", "rockchip,rk3288-dw-mshc";
reg = <0x30000000 0x4000>;
max-frequency = <150000000>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
<&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
@ -414,9 +415,8 @@
emmc: dwmmc@30020000 {
compatible = "rockchip,rk3288-dw-mshc";
reg = <0x30020000 0x4000>;
max-frequency = <150000000>;
interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <37500000>;
max-frequency = <37500000>;
clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
<&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";