From: Seungwon Jeon <[email protected]>

HS400 timing values are added for SMDK5420, exynos5420-peach-pit
and exynos5800-peach-pi boards.
This also adds RCLK GPIO line, this gpio should be in pull-down
state.

Signed-off-by: Seungwon Jeon <[email protected]>
Signed-off-by: Alim Akhtar <[email protected]>
[Alim: addressed review comments]
---
 arch/arm/boot/dts/exynos5420-peach-pit.dts |    4 +++-
 arch/arm/boot/dts/exynos5420-pinctrl.dtsi  |    7 +++++++
 arch/arm/boot/dts/exynos5420-smdk5420.dts  |    4 +++-
 arch/arm/boot/dts/exynos5800-peach-pi.dts  |    4 +++-
 4 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts 
b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 9a050e1..7ffaba8 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -569,8 +569,10 @@
        samsung,dw-mshc-ciu-div = <3>;
        samsung,dw-mshc-sdr-timing = <0 4>;
        samsung,dw-mshc-ddr-timing = <0 2>;
+       samsung,dw-mshc-hs400-timing = <0 2>;
+       read-strobe-delay = <90>;
        pinctrl-names = "default";
-       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>;
+       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8 &sd0_rclk>;
        bus-width = <8>;
 };
 
diff --git a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi 
b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
index ba686e4..8b15316 100644
--- a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
@@ -201,6 +201,13 @@
                        samsung,pin-drv = <3>;
                };
 
+               sd0_rclk: sd0-rclk {
+                       samsung,pins = "gpc0-7";
+                       samsung,pin-function = <2>;
+                       samsung,pin-pud = <1>;
+                       samsung,pin-drv = <3>;
+               };
+
                sd1_cmd: sd1-cmd {
                        samsung,pins = "gpc1-1";
                        samsung,pin-function = <2>;
diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts 
b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index 8be3d7b..5290e79 100644
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -80,8 +80,10 @@
                samsung,dw-mshc-ciu-div = <3>;
                samsung,dw-mshc-sdr-timing = <0 4>;
                samsung,dw-mshc-ddr-timing = <0 2>;
+               samsung,dw-mshc-hs400-timing = <0 2>;
+               read-strobe-delay = <90>;
                pinctrl-names = "default";
-               pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>;
+               pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8 &sd0_rclk>;
                bus-width = <8>;
                cap-mmc-highspeed;
        };
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts 
b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index e8fdda8..fa1c858 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -557,8 +557,10 @@
        samsung,dw-mshc-ciu-div = <3>;
        samsung,dw-mshc-sdr-timing = <0 4>;
        samsung,dw-mshc-ddr-timing = <0 2>;
+       samsung,dw-mshc-hs400-timing = <0 2>;
+       read-strobe-delay = <90>;
        pinctrl-names = "default";
-       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>;
+       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8 &sd0_rclk>;
        bus-width = <8>;
 };
 
-- 
1.7.9.5

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