linux-kernel - [PATCH v3 1/4] dt-bindings: mfd: aspeed: support for AST2700

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Message-ID: <20240916091039.3584505-2-ryan_chen@aspeedtech.com>
Date: Mon, 16 Sep 2024 17:10:36 +0800
From: Ryan Chen <ryan_chen@...eedtech.com>
To: <ryan_chen@...eedtech.com>, <mturquette@...libre.com>, <sboyd@...nel.org>,
	<robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
	<joel@....id.au>, <andrew@...econstruct.com.au>, <p.zabel@...gutronix.de>,
	<linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-aspeed@...ts.ozlabs.org>
Subject: [PATCH v3 1/4] dt-bindings: mfd: aspeed: support for AST2700

Add compatible support for AST2700 clk, reset, pinctrl, silicon-id for AST2700 scu.

Signed-off-by: Ryan Chen <ryan_chen@...eedtech.com>
---
 .../devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml b/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml
index 86ee69c0f45b..127a357051cd 100644
--- a/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml
+++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml
@@ -9,6 +9,8 @@ title: Aspeed System Control Unit
 description:
   The Aspeed System Control Unit manages the global behaviour of the SoC,
   configuring elements such as clocks, pinmux, and reset.
+  In AST2700 SOC which has two soc connection, each soc have its own scu
+  register control, ast2700-scu0 for soc0, ast2700-scu1 for soc1.
 
 maintainers:
   - Joel Stanley <joel@....id.au>
@@ -21,6 +23,8 @@ properties:
           - aspeed,ast2400-scu
           - aspeed,ast2500-scu
           - aspeed,ast2600-scu
+          - aspeed,ast2700-scu0
+          - aspeed,ast2700-scu1
       - const: syscon
       - const: simple-mfd
 
@@ -30,10 +34,12 @@ properties:
   ranges: true
 
   '#address-cells':
-    const: 1
+    minimum: 1
+    maximum: 2
 
   '#size-cells':
-    const: 1
+    minimum: 1
+    maximum: 2
 
   '#clock-cells':
     const: 1
@@ -56,6 +62,8 @@ patternProperties:
             - aspeed,ast2400-pinctrl
             - aspeed,ast2500-pinctrl
             - aspeed,ast2600-pinctrl
+            - aspeed,ast2700-soc0-pinctrl
+            - aspeed,ast2700-soc1-pinctrl
 
     required:
       - compatible
@@ -76,6 +84,7 @@ patternProperties:
               - aspeed,ast2400-silicon-id
               - aspeed,ast2500-silicon-id
               - aspeed,ast2600-silicon-id
+              - aspeed,ast2700-silicon-id
           - const: aspeed,silicon-id
 
       reg:
-- 
2.34.1