From: Thierry Reding <treding@xxxxxxxxxx>
The P3110 processor module wires one of the SDHCI controllers to an on-
board eMMC and exposes another set of SD/MMC signals on the connector to
support an external SD/MMC card. A third controller is connected to the
SDIO pins of an M.2 KEY E connector.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 42 ++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
index 1a9ac73b4ecb..b18e166527d8 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -7,6 +7,8 @@
compatible = "nvidia,p3310", "nvidia,tegra186";
aliases {
+ sdhci0 = "/sdhci@3460000";
+ sdhci1 = "/sdhci@3400000";
serial0 = &uarta;
i2c0 = "/bpmp/i2c";
i2c1 = "/i2c@3160000";
@@ -72,6 +74,32 @@
status = "okay";
};
+ /* SDMMC1 (SD/MMC) */
+ sdhci@3400000 {
+ status = "okay";
+
+ cd-gpios = <&gpio TEGRA_MAIN_GPIO(P, 6) GPIO_ACTIVE_LOW>;
+ wp-gpios = <&gpio TEGRA_MAIN_GPIO(P, 4) GPIO_ACTIVE_LOW>;
+
+ vqmmc-supply = <&vddio_sdmmc1>;
+ vmmc-supply = <&vdd_sd>;
+ };
+
+ /* SDMMC3 (SDIO) */
+ sdhci@3440000 {
+ status = "okay";
+ };
+
+ /* SDMMC4 (eMMC) */
+ sdhci@3460000 {
+ status = "okay";
+ bus-width = <8>;
+ non-removable;
+
+ vqmmc-supply = <&vdd_1v8_ap>;
+ vmmc-supply = <&vdd_3v3_sys>;
+ };
+
hsp@3c00000 {
status = "okay";
};
@@ -333,5 +361,19 @@
vin-supply = <&vdd_1v8>;
};
+
+ vdd_sd: regulator@2 {
+ compatible = "regulator-fixed";
+ reg = <2>;
+
+ regulator-name = "SD_CARD_SW_PWR";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&gpio TEGRA_MAIN_GPIO(P, 5) GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ vin-supply = <&vdd_3v3_sys>;
+ };
};
};
--
2.11.1
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