ARM: dts: aspeed: bletchley: Add interrupt support for sled io expander

Enable interrupt support for all sledx_ioexp, so userspace can monitor
gpio from io expander by interrupt.

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Patrick Williams <patrick@stwcx.xyz>
Link: https://lore.kernel.org/r/20220215163151.32252-7-potin.lai@quantatw.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
index 08fa4c7..ba9ac01 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
@@ -6,6 +6,7 @@
 #include <dt-bindings/gpio/aspeed-gpio.h>
 #include <dt-bindings/usb/pd.h>
 #include <dt-bindings/leds/leds-pca955x.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
        model = "Facebook Bletchley BMC";
@@ -267,6 +268,9 @@
                gpio-controller;
                #gpio-cells = <2>;
 
+               interrupt-parent = <&gpio0>;
+               interrupts = <ASPEED_GPIO(M, 0) IRQ_TYPE_LEVEL_LOW>;
+
                gpio-line-names =
                "SLED1_MS_DETECT1","SLED1_VBUS_BMC_EN","SLED1_INA230_ALERT","SLED1_P12V_STBY_ALERT",
                "SLED1_SSD_ALERT","SLED1_MS_DETECT0","SLED1_RST_CCG5","SLED1_FUSB302_INT",
@@ -330,6 +334,9 @@
                gpio-controller;
                #gpio-cells = <2>;
 
+               interrupt-parent = <&gpio0>;
+               interrupts = <ASPEED_GPIO(M, 1) IRQ_TYPE_LEVEL_LOW>;
+
                gpio-line-names =
                "SLED2_MS_DETECT1","SLED2_VBUS_BMC_EN","SLED2_INA230_ALERT","SLED2_P12V_STBY_ALERT",
                "SLED2_SSD_ALERT","SLED2_MS_DETECT0","SLED2_RST_CCG5","SLED2_FUSB302_INT",
@@ -397,6 +404,9 @@
                gpio-controller;
                #gpio-cells = <2>;
 
+               interrupt-parent = <&gpio0>;
+               interrupts = <ASPEED_GPIO(M, 2) IRQ_TYPE_LEVEL_LOW>;
+
                gpio-line-names =
                "SLED3_MS_DETECT1","SLED3_VBUS_BMC_EN","SLED3_INA230_ALERT","SLED3_P12V_STBY_ALERT",
                "SLED3_SSD_ALERT","SLED3_MS_DETECT0","SLED3_RST_CCG5","SLED3_FUSB302_INT",
@@ -460,6 +470,9 @@
                gpio-controller;
                #gpio-cells = <2>;
 
+               interrupt-parent = <&gpio0>;
+               interrupts = <ASPEED_GPIO(M, 3) IRQ_TYPE_LEVEL_LOW>;
+
                gpio-line-names =
                "SLED4_MS_DETECT1","SLED4_VBUS_BMC_EN","SLED4_INA230_ALERT","SLED4_P12V_STBY_ALERT",
                "SLED4_SSD_ALERT","SLED4_MS_DETECT0","SLED4_RST_CCG5","SLED4_FUSB302_INT",
@@ -523,6 +536,9 @@
                gpio-controller;
                #gpio-cells = <2>;
 
+               interrupt-parent = <&gpio0>;
+               interrupts = <ASPEED_GPIO(M, 4) IRQ_TYPE_LEVEL_LOW>;
+
                gpio-line-names =
                "SLED5_MS_DETECT1","SLED5_VBUS_BMC_EN","SLED5_INA230_ALERT","SLED5_P12V_STBY_ALERT",
                "SLED5_SSD_ALERT","SLED5_MS_DETECT0","SLED5_RST_CCG5","SLED5_FUSB302_INT",
@@ -586,6 +602,9 @@
                gpio-controller;
                #gpio-cells = <2>;
 
+               interrupt-parent = <&gpio0>;
+               interrupts = <ASPEED_GPIO(M, 5) IRQ_TYPE_LEVEL_LOW>;
+
                gpio-line-names =
                "SLED6_MS_DETECT1","SLED6_VBUS_BMC_EN","SLED6_INA230_ALERT","SLED6_P12V_STBY_ALERT",
                "SLED6_SSD_ALERT","SLED6_MS_DETECT0","SLED6_RST_CCG5","SLED6_FUSB302_INT",