linux-kernel - [PATCH v2 06/10] arch: arm: dts: bletchley: add interrupt support for sled io expander

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Message-Id: <20220214042538.12132-7-potin.lai@quantatw.com>
Date:   Mon, 14 Feb 2022 12:25:34 +0800
From:   Potin Lai <potin.lai@...ntatw.com>
To:     Rob Herring <robh+dt@...nel.org>, Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>
Cc:     Patrick Williams <patrick@...cx.xyz>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Potin Lai <potin.lai@...ntatw.com>
Subject: [PATCH v2 06/10] arch: arm: dts: 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@...ntatw.com>
---
 .../dts/aspeed-bmc-facebook-bletchley.dts     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
index 3c54e4a892c9..8afaa8f52c38 100644
--- 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";
@@ -268,6 +269,9 @@
 		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",
@@ -331,6 +335,9 @@
 		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",
@@ -398,6 +405,9 @@
 		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",
@@ -461,6 +471,9 @@
 		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",
@@ -524,6 +537,9 @@
 		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",
@@ -587,6 +603,9 @@
 		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",
-- 
2.17.1