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Commit 6fb11131 authored Sep 21, 2012 by Wei Ni Committed by Stephen Warren Nov 15, 2012

ARM: dt: t30 cardhu: set pinmux and power for wlan



Configure pinmux as required for WiFi.
Enable the SDHCI1 controller for a02 and a04 board, which is connected to the
WiFi module.
For now, always enable the regulator that provides power to the Wifi module.

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

parent c729429e

arch/arm/boot/dts/tegra30-cardhu-a02.dts

+6 −0

Original line number	Diff line number	Diff line
		@@ -83,5 +83,11 @@
		gpio = <&gpio 83 0>; /* GPIO PK3 */
		};
		};

		sdhci@78000400 {
		status = "okay";
		power-gpios = <&gpio 28 0>; /* gpio PD4 */
		bus-width = <4>;
		};
		};

arch/arm/boot/dts/tegra30-cardhu-a04.dts

+6 −0

Original line number	Diff line number	Diff line
		@@ -95,4 +95,10 @@
		gpio = <&gpio 232 0>; /* GPIO PDD0 */
		};
		};

		sdhci@78000400 {
		status = "okay";
		power-gpios = <&gpio 27 0>; /* gpio PD3 */
		bus-width = <4>;
		};
		};

arch/arm/boot/dts/tegra30-cardhu.dtsi

+27 −0

Original line number	Diff line number	Diff line
		@@ -52,6 +52,22 @@
		nvidia,pull = <2>;
		nvidia,tristate = <0>;
		};
		sdmmc3_clk_pa6 {
		nvidia,pins = "sdmmc3_clk_pa6";
		nvidia,function = "sdmmc3";
		nvidia,pull = <0>;
		nvidia,tristate = <0>;
		};
		sdmmc3_cmd_pa7 {
		nvidia,pins = "sdmmc3_cmd_pa7",
		"sdmmc3_dat0_pb7",
		"sdmmc3_dat1_pb6",
		"sdmmc3_dat2_pb5",
		"sdmmc3_dat3_pb4";
		nvidia,function = "sdmmc3";
		nvidia,pull = <2>;
		nvidia,tristate = <0>;
		};
		sdmmc4_clk_pcc4 {
		nvidia,pins = "sdmmc4_clk_pcc4",
		"sdmmc4_rst_n_pcc3";
		@@ -81,6 +97,15 @@
		nvidia,pull = <0>;
		nvidia,tristate = <0>;
		};
		sdio3 {
		nvidia,pins = "drive_sdio3";
		nvidia,high-speed-mode = <0>;
		nvidia,schmitt = <0>;
		nvidia,pull-down-strength = <46>;
		nvidia,pull-up-strength = <42>;
		nvidia,slew-rate-rising = <1>;
		nvidia,slew-rate-falling = <1>;
		};
		};
		};

		@@ -384,6 +409,8 @@
		regulator-name = "vdd_com";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		regulator-boot-on;
		enable-active-high;
		gpio = <&gpio 24 0>; /* gpio PD0 */
		vin-supply = <&sys_3v3_reg>;