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>

diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts
index 21a1ad45229bd857cd59c95b15499d1fd266d9e3..c90735d11b1b95ac43ca7227ea39956f29a9338a 100644 (file)
--- 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 {