ARM: dts: exynos: Disable pull control for S5M8767 PMIC

BugLink: https://bugs.launchpad.net/bugs/1853915
[ Upstream commit ef2ecab9af5feae97c47b7f61cdd96f7f49b2c23 ]

S5M8767 PMIC interrupt line on Exynos5250-based Arndale board has
external pull-up resistors, so disable any pull control for it in
in controller node. This fixes support for S5M8767 interrupts and
enables operation of wakeup from S5M8767 RTC alarm.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 0efd678b8251933c7555871cc810596d0112b3cc..6c41fea7484c101a083d1a524a7a0b3e7904688e 100644 (file)
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -171,6 +171,8 @@
                reg = <0x66>;
                interrupt-parent = <&gpx3>;
                interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&s5m8767_irq>;
 
                vinb1-supply = <&main_dc_reg>;
                vinb2-supply = <&main_dc_reg>;
@@ -538,6 +540,13 @@
        cap-sd-highspeed;
 };
 
+&pinctrl_0 {
+       s5m8767_irq: s5m8767-irq {
+               samsung,pins = "gpx3-2";
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+};
+
 &rtc {
        status = "okay";
 };