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authorKever Yang <kever.yang@rock-chips.com>2017-07-27 12:54:00 +0800
committerPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>2017-08-13 17:15:09 +0200
commit95ca100ba740283e00f0b5354be8ccb04b97cbf9 (patch)
treeab42b029e72184124e888fbde31c657ecdd71239 /arch
parenta2a1bfe175038e15bcdc89975b8bc6befa90812d (diff)
rockchip: rk322x: update max-frequency for mmc node
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/dts/rk3229-evb.dts1
-rw-r--r--arch/arm/dts/rk322x.dtsi4
2 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/dts/rk3229-evb.dts b/arch/arm/dts/rk3229-evb.dts
index e066a306d0..64f1c2d7da 100644
--- a/arch/arm/dts/rk3229-evb.dts
+++ b/arch/arm/dts/rk3229-evb.dts
@@ -79,7 +79,6 @@
cap-sd-highspeed;
card-detect-delay = <200>;
disable-wp;
- max-frequency = <50000000>;
num-slots = <1>;
supports-sd;
};
diff --git a/arch/arm/dts/rk322x.dtsi b/arch/arm/dts/rk322x.dtsi
index ddbe113741..22324f97b3 100644
--- a/arch/arm/dts/rk322x.dtsi
+++ b/arch/arm/dts/rk322x.dtsi
@@ -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";