shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 10:31:46 +09:00
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: exynos: correct PMIC interrupt trigger level on Espresso

Browse Source 
The Samsung PMIC datasheets describe the interrupt line as active low
with a requirement of acknowledge from the CPU.  Without specifying the
interrupt type in Devicetree, kernel might apply some fixed
configuration, not necessarily working for this hardware.

Fixes: 9589f7721e ("arm64: dts: Add S2MPS15 PMIC node on exynos7-espresso")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201210212903.216728-8-krzk@kernel.org
This commit is contained in:
Krzysztof Kozlowski
2020-12-10 22:29:02 +01:00
parent e98e2367df
commit 1fea2eb2f5
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm64/boot/dts/exynos/exynos7-espresso.dts
View File

@@ -90,7 +90,7 @@
pmic@66 {
compatible = "samsung,s2mps15-pmic";
reg = <0x66>;
interrupts = <2 IRQ_TYPE_NONE>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
interrupt-parent = <&gpa0>;
pinctrl-names = "default";
pinctrl-0 = <&pmic_irq>;