openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: dts: Use MSHC controller for eMMC memory for exynos4412-trats2 

This patch removes device tree node of SDHCI0 controller and replaces
it with MSHC to enable support MMC 4.4 and improve performance of eMMC
memory.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Tomasz Figa 2013-12-21 07:38:19 +09:00 committed by Kukjin Kim
parent 56d52bfb9c
commit ca7c11fc8d
1 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
arch/arm/boot/dts/exynos4412-trats2.dts
View File

@ -442,13 +442,25 @@ buck9_reg: buck9 {
};
};
sdhci@12510000 {
bus-width = <8>;
mmc@12550000 {
num-slots = <1>;
supports-highspeed;
broken-cd;
non-removable;
pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus8>;
pinctrl-names = "default";
card-detect-delay = <200>;
vmmc-supply = <&vemmc_reg>;
clock-frequency = <400000000>;
samsung,dw-mshc-ciu-div = <0>;
samsung,dw-mshc-sdr-timing = <2 3>;
samsung,dw-mshc-ddr-timing = <1 2>;
pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>;
pinctrl-names = "default";
status = "okay";
slot@0 {
reg = <0>;
bus-width = <8>;
};
};
serial@13800000 {