@@ -207,7 +207,6 @@
regulator-name = "+1.8V_VDDIO";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
- regulator-boot-on;
regulator-always-on;
};
@@ -364,12 +363,20 @@
status = "okay";
};
+ sdhci0_pwrseq: sdhci0_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+
+ reset-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_LOW>;
+ };
+
sdhci@0,700b0000 { /* WiFi/BT on this bus */
status = "okay";
- power-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_HIGH>;
bus-width = <4>;
no-1-8-v;
non-removable;
+ mmc-pwrseq = <&sdhci0_pwrseq>;
+ vmmc-supply = <&vdd_3v3_lp0>;
+ vqmmc-supply = <&vddio_1v8>;
};
sdhci@0,700b0400 { /* SD Card on this bus */
The Nyan boards have a Marvell 88w8897 wifi card connected through SDIO that needs the reset line to be asserted before mmc power up and deasserted afterwards. This patch also adds references to the power supplies of the card so that the regulators are enabled when it's probed. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> --- arch/arm/boot/dts/tegra124-nyan.dtsi | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)