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authorTomasz Figa <t.figa@samsung.com>2013-12-21 02:38:19 +0400
committerKukjin Kim <kgene.kim@samsung.com>2013-12-21 03:01:31 +0400
commitca7c11fc8df0657ddeffc1cd98428abd739e1e10 (patch)
treecfcfcbdc9c786a1ae1e8ffa08bcea55520c6b8d6 /arch/arm
parent56d52bfb9ce0dfed7ee3059a8111534bffa53274 (diff)
downloadlinux-ca7c11fc8df0657ddeffc1cd98428abd739e1e10.tar.xz
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/exynos4412-trats2.dts20
1 files changed, 16 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index fb7b9ae5f399..890ad275cb85 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -442,13 +442,25 @@
};
};
- 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 {