From: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
This patch adds alias names, device tree nodes for
dw-mmc controller for exynos5420 soc.
Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
Signed-off-by: Prathyush K <prathyush.k@xxxxxxxxxxx>
Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx>
Signed-off-by: Sunil Joshi <joshi@xxxxxxxxxxx>
---
.../devicetree/bindings/mmc/exynos-dw-mshc.txt | 2 +-
arch/arm/boot/dts/exynos5.dtsi | 3 ++
arch/arm/boot/dts/exynos5420-smdk5420.dts | 38 ++++++++++++++++++++
arch/arm/boot/dts/exynos5420.dtsi | 21 +++++++++++
4 files changed, 63 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
index 6d1c098..c48570e 100644
--- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
@@ -15,7 +15,7 @@ Required Properties:
- "samsung,exynos4412-dw-mshc": for controllers with Samsung Exynos4412
specific extensions.
- "samsung,exynos5250-dw-mshc": for controllers with Samsung Exynos5250
- specific extensions.
+ and Exynos5420 specific extensions.
* samsung,dw-mshc-ciu-div: Specifies the divider value for the card interface
unit (ciu) clock. This property is applicable only for Exynos5 SoC's and
diff --git a/arch/arm/boot/dts/exynos5.dtsi b/arch/arm/boot/dts/exynos5.dtsi
index f65e124..6cb6f03 100644
--- a/arch/arm/boot/dts/exynos5.dtsi
+++ b/arch/arm/boot/dts/exynos5.dtsi
@@ -55,6 +55,7 @@
interrupts = <0 75 0>;
#address-cells = <1>;
#size-cells = <0>;
+ status = "disabled";
};
dwmmc_1: dwmmc1@12210000 {
@@ -62,6 +63,7 @@
interrupts = <0 76 0>;
#address-cells = <1>;
#size-cells = <0>;
+ status = "disabled";
};
dwmmc_2: dwmmc2@12220000 {
@@ -69,6 +71,7 @@
interrupts = <0 77 0>;
#address-cells = <1>;
#size-cells = <0>;
+ status = "disabled";
};
serial@12C00000 {
diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index 08607df..d05de7a 100644
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -30,4 +30,42 @@
clock-frequency = <24000000>;
};
};
+
+ dwmmc0@12200000 {
+ status = "okay";
+ num-slots = <1>;
+ broken-cd;
+ bypass-smu;
+ supports-highspeed;
+ fifo-depth = <0x40>;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <0 4>;
+ samsung,dw-mshc-ddr-timing = <0 2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>;
+
+ slot@0 {
+ reg = <0>;
+ bus-width = <8>;
+ };
+ };
+
+ dwmmc2@12220000 {
+ status = "okay";
+ num-slots = <1>;
+ supports-highspeed;
+ fifo-depth = <0x40>;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <2 3>;
+ samsung,dw-mshc-ddr-timing = <1 2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
+
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ };
+ };
};
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 8c54c4b..0736994 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -24,6 +24,9 @@
pinctrl2 = &pinctrl_2;
pinctrl3 = &pinctrl_3;
pinctrl4 = &pinctrl_4;
+ mshc0 = &dwmmc_0;
+ mshc1 = &dwmmc_1;
+ mshc2 = &dwmmc_2;
};
cpus {
@@ -145,4 +148,22 @@
clocks = <&clock 260>, <&clock 131>;
clock-names = "uart", "clk_uart_baud0";
};
+
+ dwmmc_0: dwmmc0@12200000 {
+ reg = <0x12200000 0x2000>;
+ clocks = <&clock 351>, <&clock 132>;
+ clock-names = "biu", "ciu";
+ };
+
+ dwmmc_1: dwmmc1@12210000 {
+ reg = <0x12210000 0x2000>;
+ clocks = <&clock 352>, <&clock 133>;
+ clock-names = "biu", "ciu";
+ };
+
+ dwmmc_2: dwmmc2@12220000 {
+ reg = <0x12220000 0x2000>;
+ clocks = <&clock 353>, <&clock 134>;
+ clock-names = "biu", "ciu";
+ };
};
--
1.7.9.5
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