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[3/4] ARM: dts: exynos: fix USB 3.0 pins supply being turned off on Odroid XU

Message ID 20201015182044.480562-3-krzk@kernel.org
State New
Headers show
Series [1/4] ARM: dts: exynos: fix roles of USB 3.0 ports on Odroid XU | expand

Commit Message

Krzysztof Kozlowski Oct. 15, 2020, 6:20 p.m. UTC 
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(+)
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Patch

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 {