linux-kernel - [PATCH RFC 4/4] dt-binding: clock: hisilicon,clock-reset-controller: add Hi3798MV200 SoC support

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Message-Id: <20240216-clk-mv200-v1-4-a29ace29e636@outlook.com>
Date: Fri, 16 Feb 2024 19:37:54 +0800
From: Yang Xiwen via B4 Relay <devnull+forbidden405.outlook.com@...nel.org>
To: Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: David Yang <mmyangfl@...il.com>, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Yang Xiwen <forbidden405@...look.com>
Subject: [PATCH RFC 4/4] dt-binding: clock:
 hisilicon,clock-reset-controller: add Hi3798MV200 SoC support

From: Yang Xiwen <forbidden405@...look.com>

This SoC is similar to Hi3798CV200.

Also document the specific DLL regs and add an example for it.

Signed-off-by: Yang Xiwen <forbidden405@...look.com>
---
 .../clock/hisilicon,clock-reset-generator.yaml     | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/hisilicon,clock-reset-generator.yaml b/Documentation/devicetree/bindings/clock/hisilicon,clock-reset-generator.yaml
index d37cd892473e..8ee844574eda 100644
--- a/Documentation/devicetree/bindings/clock/hisilicon,clock-reset-generator.yaml
+++ b/Documentation/devicetree/bindings/clock/hisilicon,clock-reset-generator.yaml
@@ -44,12 +44,17 @@ properties:
           - hisilicon,hi3519-crg
           - hisilicon,hi3798cv200-crg
           - hisilicon,hi3798cv200-sysctrl
+          - hisilicon,hi3798mv200-crg
+          - hisilicon,hi3798mv200-sysctrl
       - const: syscon
       - const: simple-mfd
 
   reg:
     maxItems: 1
 
+  ranges:
+    maxItems: 1
+
   '#clock-cells':
     const: 1
 
@@ -87,6 +92,12 @@ properties:
     description: |
       Reset controller for Hi3798CV200 GMAC module
 
+patternProperties:
+  '.*-dll@[0-9a-f]+':
+    type: object
+    description: |
+      eMMC/SD delay-locked-loop (DLL) register subnode
+
 required:
   - compatible
   - '#clock-cells'
@@ -137,3 +148,28 @@ examples:
             #clock-cells = <1>;
         };
     };
+  - |
+    crg: clock-reset-controller@...2000 {
+        compatible = "hisilicon,hi3798mv200-crg", "syscon", "simple-mfd";
+        reg = <0x8a22000 0x1000>;
+        ranges = <0x0 0x8a22000 0x1000>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        #clock-cells = <1>;
+        #reset-cells = <2>;
+
+        emmc_sap_dll: sap-dll@39c {
+            compatible = "hisilicon,sdmmc-sap-dll", "syscon", "simple-mfd";
+            reg = <0x39c 0x8>;
+        };
+
+        sdio0_sap_dll: sap-dll@3a4 {
+            compatible = "hisilicon,sdmmc-sap-dll", "syscon", "simple-mfd";
+            reg = <0x3a4 0x8>;
+        };
+
+        sdio1_sap_dll: sap-dll@3ac {
+            compatible = "hisilicon,sdmmc-sap-dll", "syscon", "simple-mfd";
+            reg = <0x3ac 0x8>;
+        };
+    };

-- 
2.43.0