diff options
| author | Wei Ni <wni@nvidia.com> | 2012-09-21 16:54:59 +0800 |
|---|---|---|
| committer | Stephen Warren <swarren@nvidia.com> | 2012-11-15 15:07:28 -0700 |
| commit | 6fb11131ef3400364381661186a55a73b782c3be (patch) | |
| tree | 44029243433ce4403f1943c306c0663a604391a9 /arch/arm/boot | |
| parent | c729429e0c3d9c68872c4d1b72c8fadb377cfba2 (diff) | |
| download | linux-rt-6fb11131ef3400364381661186a55a73b782c3be.tar.gz | |
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>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/tegra30-cardhu-a02.dts | 6 | ||||
| -rw-r--r-- | arch/arm/boot/dts/tegra30-cardhu-a04.dts | 6 | ||||
| -rw-r--r-- | arch/arm/boot/dts/tegra30-cardhu.dtsi | 27 |
3 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra30-cardhu-a02.dts b/arch/arm/boot/dts/tegra30-cardhu-a02.dts index dd4222f00eca..adc88aa50eb6 100644 --- a/arch/arm/boot/dts/tegra30-cardhu-a02.dts +++ b/arch/arm/boot/dts/tegra30-cardhu-a02.dts @@ -83,5 +83,11 @@ gpio = <&gpio 83 0>; /* GPIO PK3 */ }; }; + + sdhci@78000400 { + status = "okay"; + power-gpios = <&gpio 28 0>; /* gpio PD4 */ + bus-width = <4>; + }; }; diff --git a/arch/arm/boot/dts/tegra30-cardhu-a04.dts b/arch/arm/boot/dts/tegra30-cardhu-a04.dts index 0828f097ca86..08163e145d57 100644 --- a/arch/arm/boot/dts/tegra30-cardhu-a04.dts +++ b/arch/arm/boot/dts/tegra30-cardhu-a04.dts @@ -95,4 +95,10 @@ gpio = <&gpio 232 0>; /* GPIO PDD0 */ }; }; + + sdhci@78000400 { + status = "okay"; + power-gpios = <&gpio 27 0>; /* gpio PD3 */ + bus-width = <4>; + }; }; diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi index b1271a894327..b245e6cf6338 100644 --- a/arch/arm/boot/dts/tegra30-cardhu.dtsi +++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi @@ -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>; |