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

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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>
This commit is contained in:
Wei Ni 2012-09-21 16:54:59 +08:00 committed by Stephen Warren
parent c729429e0c
commit 6fb11131ef
3 changed files with 39 additions and 0 deletions
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6
arch/arm/boot/dts/tegra30-cardhu-a02.dts
View file

@ -83,5 +83,11 @@
gpio = <&gpio 83 0>; /* GPIO PK3 */
};
};
sdhci@78000400 {
status = "okay";
power-gpios = <&gpio 28 0>; /* gpio PD4 */
bus-width = <4>;
};
};

6
arch/arm/boot/dts/tegra30-cardhu-a04.dts
View file

@ -95,4 +95,10 @@
gpio = <&gpio 232 0>; /* GPIO PDD0 */
};
};
sdhci@78000400 {
status = "okay";
power-gpios = <&gpio 27 0>; /* gpio PD3 */
bus-width = <4>;
};
};

27
arch/arm/boot/dts/tegra30-cardhu.dtsi
View file

@ -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>;