On Odroid XU LDO12 and LDO15 supplies the power to USB 3.0 blocks but the GPK GPIO pins are supplied by LDO7 (VDDQ_LCD). LDO7 also supplies GPJ GPIO pins.
The Exynos pinctrl driver does not take any supplies, so to have entire GPIO block always available, make the regulator always on.
Fixes: 88644b4c750b ("ARM: dts: exynos: Configure PWM, usb3503, PMIC and thermal on Odroid XU board") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski krzk@kernel.org --- arch/arm/boot/dts/exynos5410-odroidxu.dts | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts index 353eb6ef3a04..6cc4d4653f84 100644 --- a/arch/arm/boot/dts/exynos5410-odroidxu.dts +++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts @@ -327,6 +327,8 @@ ldo7_reg: LDO7 { regulator-name = "vddq_lcd"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + /* Supplies also GPK and GPJ */ + regulator-always-on; };
ldo8_reg: LDO8 {