[RFC PATCH v3 4/5] ARM: imx6q: using pinmux subsystem

[b29396@freescale.com (Dong Aisheng)]

From: Dong Aisheng <dong.aisheng@linaro.org>

Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Shawn Guo <shanw.guo@freescale.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
---
ChangeLog v2->v3:
- Add phandle for pinmux mappings
- follow DT convention to use dash '-' for property name

ChangeLog v1->v2:
- Add basic binding for pinmux pins
---
 arch/arm/boot/dts/imx6q-sabreauto.dts |   32 ++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/imx6q.dtsi          |    1 +
 arch/arm/mach-imx/Kconfig             |    1 +
 3 files changed, 34 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/imx6q-sabreauto.dts b/arch/arm/boot/dts/imx6q-sabreauto.dts
index 072974e..c3e9070 100644
--- a/arch/arm/boot/dts/imx6q-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6q-sabreauto.dts
@@ -25,7 +25,39 @@
 		reg = <0x10000000 0x80000000>;
 	};
 
+	pinmux: imx6q-sabreauto-map {
+		map-sd4 {
+			map-name = "usdhc4";
+			ctrl-dev-name = "20e0000.iomuxc";
+			function = "sd4";
+			dev-name = "219c000.usdhc";
+		};
+	};
+
 	soc {
+		aips-bus at 02000000 { /* AIPS1 */
+			iomuxc at 020e0000 {
+				fsl,pinmux-map = <&pinmux>;
+				pinmux-uart4 {
+					func-name = "uart4";
+					grp-name = "uart4grp";
+					grp-pins = <107 108>;
+					num-pins = <2>;
+					grp-mux = <4 4>;
+					num-mux = <2>;
+				};
+
+				pinmux-sd4 {
+					func-name = "sd4";
+					grp-name = "sd4grp";
+					grp-pins = <170 171 180 181 182 183 184 185 186 187>;
+					num-pins = <10>;
+					grp-mux = <0 0 1 1 1 1 1 1 1 1>;
+					num-mux = <10>;
+				};
+			};
+		};
+
 		aips-bus at 02100000 { /* AIPS2 */
 			enet at 02188000 {
 				phy-mode = "rgmii";
diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index 7dda599..42499bb 100644
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -386,6 +386,7 @@
 			};
 
 			iomuxc at 020e0000 {
+				compatible = "fsl,imx6q-iomuxc";
 				reg = <0x020e0000 0x4000>;
 			};
 
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 5f7f9c2..d6a88fe 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -615,6 +615,7 @@ config SOC_IMX6Q
 	select HAVE_IMX_GPC
 	select HAVE_IMX_MMDC
 	select HAVE_IMX_SRC
+	select PINCTRL
 	select USE_OF
 
 	help
-- 
1.7.0.4