linux-kernel - [PATCH v2 1/4] dt-bindings: gpio: aspeed,ast2400-gpio: Support ast2700

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Message-ID: <20240830034047.2251482-2-billy_tsai@aspeedtech.com>
Date: Fri, 30 Aug 2024 11:40:44 +0800
From: Billy Tsai <billy_tsai@...eedtech.com>
To: <linus.walleij@...aro.org>, <brgl@...ev.pl>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <joel@....id.au>,
	<andrew@...econstruct.com.au>, <linux-gpio@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	<BMC-SW@...eedtech.com>
Subject: [PATCH v2 1/4] dt-bindings: gpio: aspeed,ast2400-gpio: Support ast2700

The AST2700 is the 7th generation SoC from Aspeed, featuring two GPIO
controllers: one with 12 GPIO pins and another with 216 GPIO pins.

Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>
---
 .../bindings/gpio/aspeed,ast2400-gpio.yaml    | 46 ++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml b/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
index cf11aa7ec8c7..4d439972c14b 100644
--- a/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
@@ -15,6 +15,7 @@ properties:
       - aspeed,ast2400-gpio
       - aspeed,ast2500-gpio
       - aspeed,ast2600-gpio
+      - aspeed,ast2700-gpio
 
   reg:
     maxItems: 1
@@ -42,7 +43,7 @@ properties:
     const: 2
 
   ngpios:
-    minimum: 36
+    minimum: 12
     maximum: 232
 
 required:
@@ -93,6 +94,20 @@ allOf:
           enum: [ 36, 208 ]
       required:
         - ngpios
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: aspeed,ast2700-gpio
+    then:
+      properties:
+        gpio-line-names:
+          minItems: 12
+          maxItems: 216
+        ngpios:
+          enum: [ 12, 216 ]
+      required:
+        - ngpios
 
 additionalProperties: false
 
@@ -146,3 +161,32 @@ examples:
         gpio-ranges = <&pinctrl 0 208 36>;
         ngpios = <36>;
     };
+  - |
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        #include <dt-bindings/interrupt-controller/arm-gic.h>
+        gpio2: gpio@...0b000 {
+            compatible = "aspeed,ast2700-gpio";
+            reg = <0x0 0x14c0b000 0x0 0x1000>;
+            interrupts-extended = <&soc1_intc2 18>;
+            interrupt-controller;
+            #interrupt-cells = <2>;
+            #gpio-cells = <2>;
+            gpio-controller;
+            gpio-ranges = <&pinctrl1 0 0 216>;
+            ngpios = <216>;
+        };
+
+        gpio3: gpio@...11000 {
+            compatible = "aspeed,ast2700-gpio";
+            reg = <0x0 0x12c11000 0x0 0x1000>;
+            interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+            interrupt-controller;
+            #interrupt-cells = <2>;
+            #gpio-cells = <2>;
+            gpio-controller;
+            gpio-ranges = <&pinctrl0 0 0 12>;
+            ngpios = <12>;
+        };
+    };
-- 
2.25.1