From a99d77c4b2ac9095d9bd5969996905886debbe8b Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 10 May 2021 23:25:52 +0300 Subject: [PATCH] ARM: tegra: acer-a500: Specify proper voltage for WiFi SDIO bus Tegra20 has v2.00 SDMMC controller which doesn't support voltage switching and the WiFi SDIO bus voltage is fixed to 1.8v in accordance to the board's schematics, while MMC core confusingly saying that it's 3.3v because of the v2.00. Let's correct the voltage in the device-tree just for consistency. This is a minor improvement which doesn't fix any problems. Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra20-acer-a500-picasso.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts index d7d97b7e4794..eff9bfb2d442 100644 --- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts +++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts @@ -762,7 +762,7 @@ mmc-pwrseq = <&brcm_wifi_pwrseq>; vmmc-supply = <&vdd_3v3_sys>; - vqmmc-supply = <&vdd_3v3_sys>; + vqmmc-supply = <&vdd_1v8_sys>; /* Azurewave AW-NH611 BCM4329 */ wifi@1 { -- 2.20.1