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ARM: tegra: enable SD card on p2771-0000

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Now that clock and reset drivers exist for Tegra186, we can enable the SD
card controller. Now that a BPMP I2C driver exists for Tegra186, we can
communicate with the PMIC to enable power to the SD card. Hook up the DT
content and board code required to make the SD card work.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Stephen Warren 2016-07-29 13:15:05 -06:00 • committed by Tom Warren
parent ad3c144fb8
commit 45d85f0872
6 changed files with 52 additions and 0 deletions
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5
arch/arm/dts/tegra186-p2771-0000-a02.dts
View file

@ -5,4 +5,9 @@
/ {
model = "NVIDIA P2771-0000 A02";
compatible = "nvidia,p2771-0000-a02", "nvidia,p2771-0000", "nvidia,tegra186";
sdhci@3400000 {
cd-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 6) GPIO_ACTIVE_LOW>;
power-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 5) GPIO_ACTIVE_HIGH>;
};
};

5
arch/arm/dts/tegra186-p2771-0000-b00.dts
View file

@ -5,4 +5,9 @@
/ {
model = "NVIDIA P2771-0000 B00";
compatible = "nvidia,p2771-0000-b00", "nvidia,p2771-0000", "nvidia,tegra186";
sdhci@3400000 {
cd-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 5) GPIO_ACTIVE_LOW>;
power-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 6) GPIO_ACTIVE_HIGH>;
};
};

14
arch/arm/dts/tegra186-p2771-0000.dtsi
View file

@ -10,6 +10,8 @@
aliases {
sdhci0 = "/sdhci@3460000";
sdhci1 = "/sdhci@3400000";
i2c0 = "/bpmp/i2c";
i2c1 = "/i2c@3160000";
i2c2 = "/i2c@c240000";
i2c3 = "/i2c@3180000";
@ -39,6 +41,12 @@
status = "okay";
};
sdhci@3400000 {
status = "okay";
wp-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 4) GPIO_ACTIVE_HIGH>;
bus-width = <4>;
};
sdhci@3460000 {
status = "okay";
bus-width = <8>;
@ -55,4 +63,10 @@
i2c@31e0000 {
status = "okay";
};
bpmp {
i2c {
status = "okay";
};
};
};