ARM: dt: tegra cardhu: add pinmux to device tree

This adds a minimal pinmux configuration to the Tegra Cardhu device
tree. Initially, just the built-in eMMC and SD card slot are configured.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net

1 files changed, 44 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/tegra-cardhu.dts b/arch/arm/boot/dts/tegra-cardhu.dts
index ac3fb7558459..0a9f34a2c3aa 100644
--- a/arch/arm/boot/dts/tegra-cardhu.dts
+++ b/arch/arm/boot/dts/tegra-cardhu.dts
@@ -10,6 +10,50 @@
                 reg = < 0x80000000 0x40000000 >;
         };
 
+        pinmux@70000000 {
+                pinctrl-names = "default";
+                pinctrl-0 = <&state_default>;
+
+                state_default: pinmux {
+                        sdmmc1_clk_pz0 {
+                                nvidia,pins = "sdmmc1_clk_pz0";
+                                nvidia,function = "sdmmc1";
+                                nvidia,pull = <0>;
+                                nvidia,tristate = <0>;
+                        };
+                        sdmmc1_cmd_pz1 {
+                                nvidia,pins =   "sdmmc1_cmd_pz1",
+                                                "sdmmc1_dat0_py7",
+                                                "sdmmc1_dat1_py6",
+                                                "sdmmc1_dat2_py5",
+                                                "sdmmc1_dat3_py4";
+                                nvidia,function = "sdmmc1";
+                                nvidia,pull = <2>;
+                                nvidia,tristate = <0>;
+                        };
+                        sdmmc4_clk_pcc4 {
+                                nvidia,pins =   "sdmmc4_clk_pcc4",
+                                                "sdmmc4_rst_n_pcc3";
+                                nvidia,function = "sdmmc4";
+                                nvidia,pull = <0>;
+                                nvidia,tristate = <0>;
+                        };
+                        sdmmc4_dat0_paa0 {
+                                nvidia,pins =   "sdmmc4_dat0_paa0",
+                                                "sdmmc4_dat1_paa1",
+                                                "sdmmc4_dat2_paa2",
+                                                "sdmmc4_dat3_paa3",
+                                                "sdmmc4_dat4_paa4",
+                                                "sdmmc4_dat5_paa5",
+                                                "sdmmc4_dat6_paa6",
+                                                "sdmmc4_dat7_paa7";
+                                nvidia,function = "sdmmc4";
+                                nvidia,pull = <2>;
+                                nvidia,tristate = <0>;
+                        };
+                };
+        };
+
         serial@70006000 {
                 clock-frequency = < 408000000 >;
         };