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| author | Kever Yang <kever.yang@rock-chips.com> | 2017-07-27 12:54:00 +0800 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-08-13 17:15:09 +0200 |
| commit | 95ca100ba740283e00f0b5354be8ccb04b97cbf9 (patch) | |
| tree | ab42b029e72184124e888fbde31c657ecdd71239 | |
| parent | a2a1bfe175038e15bcdc89975b8bc6befa90812d (diff) | |
| download | u-boot-95ca100ba740283e00f0b5354be8ccb04b97cbf9.zip u-boot-95ca100ba740283e00f0b5354be8ccb04b97cbf9.tar.gz u-boot-95ca100ba740283e00f0b5354be8ccb04b97cbf9.tar.bz2 | |
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>
| -rw-r--r-- | arch/arm/dts/rk3229-evb.dts | 1 | ||||
| -rw-r--r-- | arch/arm/dts/rk322x.dtsi | 4 |
2 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/dts/rk3229-evb.dts b/arch/arm/dts/rk3229-evb.dts index e066a30..64f1c2d 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 ddbe113..22324f9 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"; |