diff options
| author | Swati Agarwal <swati.agarwal@oss.qualcomm.com> | 2026-03-03 13:51:55 +0530 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-03-09 18:09:48 -0500 |
| commit | d99862e7103986b98ed0b79e3527af0e7bc516ef (patch) | |
| tree | eaf00a8151aa531a3e1334786df80537c4810551 | |
| parent | 7ffe83b6178e1668cf17ab4d9394dc2873c3aa17 (diff) | |
| download | linux-d99862e7103986b98ed0b79e3527af0e7bc516ef.tar.gz linux-d99862e7103986b98ed0b79e3527af0e7bc516ef.zip | |
arm64: dts: qcom: monaco-evk: Enable GPIO expander interrupt for Monaco EVK
Enable PCA9538 expander as interrupt controller on Monaco EVK and configure
the corresponding TLMM pins via pinctrl to operate as GPIO inputs with
internal pull-ups.
Signed-off-by: Swati Agarwal <swati.agarwal@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260303082157.523847-2-swati.agarwal@oss.qualcomm.com
[bjorn: Reordered nodes under &tlmm]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/monaco-evk.dts | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts index 21a1ad45229b..c90735d11b1b 100644 --- a/arch/arm64/boot/dts/qcom/monaco-evk.dts +++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts @@ -371,6 +371,11 @@ reg = <0x38>; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; + interrupts-extended = <&tlmm 56 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&expander0_int>; + pinctrl-names = "default"; }; expander1: gpio@39 { @@ -378,6 +383,11 @@ reg = <0x39>; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; + interrupts-extended = <&tlmm 16 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&expander1_int>; + pinctrl-names = "default"; }; expander2: gpio@3a { @@ -385,6 +395,11 @@ reg = <0x3a>; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; + interrupts-extended = <&tlmm 95 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&expander2_int>; + pinctrl-names = "default"; }; expander3: gpio@3b { @@ -392,6 +407,11 @@ reg = <0x3b>; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; + interrupts-extended = <&tlmm 24 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&expander3_int>; + pinctrl-names = "default"; }; expander4: gpio@3c { @@ -399,6 +419,11 @@ reg = <0x3c>; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; + interrupts-extended = <&tlmm 96 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&expander4_int>; + pinctrl-names = "default"; }; expander5: gpio@3d { @@ -406,6 +431,11 @@ reg = <0x3d>; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; + interrupts-extended = <&tlmm 3 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&expander5_int>; + pinctrl-names = "default"; }; expander6: gpio@3e { @@ -413,6 +443,11 @@ reg = <0x3e>; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; + interrupts-extended = <&tlmm 52 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&expander6_int>; + pinctrl-names = "default"; }; }; @@ -514,7 +549,6 @@ }; &tlmm { - pcie0_default_state: pcie0-default-state { wake-pins { pins = "gpio0"; @@ -554,6 +588,18 @@ }; }; + expander5_int: expander5-int-state { + pins = "gpio3"; + function = "gpio"; + bias-pull-up; + }; + + expander1_int: expander1-int-state { + pins = "gpio16"; + function = "gpio"; + bias-pull-up; + }; + qup_i2c1_default: qup-i2c1-state { pins = "gpio19", "gpio20"; function = "qup0_se1"; @@ -584,12 +630,42 @@ }; }; + expander3_int: expander3-int-state { + pins = "gpio24"; + function = "gpio"; + bias-pull-up; + }; + + expander6_int: expander6-int-state { + pins = "gpio52"; + function = "gpio"; + bias-pull-up; + }; + + expander0_int: expander0-int-state { + pins = "gpio56"; + function = "gpio"; + bias-pull-up; + }; + qup_i2c15_default: qup-i2c15-state { pins = "gpio91", "gpio92"; function = "qup1_se7"; drive-strength = <2>; bias-pull-up; }; + + expander2_int: expander2-int-state { + pins = "gpio95"; + function = "gpio"; + bias-pull-up; + }; + + expander4_int: expander4-int-state { + pins = "gpio96"; + function = "gpio"; + bias-pull-up; + }; }; &uart7 { |