[PATCH 1/4] dt-bindings: mfd: brcm,cru: add clkset syscon

Rafał Miłecki zajec5 at gmail.com
Mon Sep 13 01:00:21 PDT 2021


From: Rafał Miłecki <rafal at milecki.pl>

CRU has a shared register that is used e.g. to control USB 2.0 PHY block
access. It's a single 32 b register. Document it as syscon so it can be
used with a regmap.

Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
 Documentation/devicetree/bindings/mfd/brcm,cru.yaml | 8 ++++++++
 Documentation/devicetree/bindings/mfd/syscon.yaml   | 1 +
 2 files changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/brcm,cru.yaml b/Documentation/devicetree/bindings/mfd/brcm,cru.yaml
index fc1317ab3226..bf4e585d3c18 100644
--- a/Documentation/devicetree/bindings/mfd/brcm,cru.yaml
+++ b/Documentation/devicetree/bindings/mfd/brcm,cru.yaml
@@ -39,6 +39,9 @@ patternProperties:
   '^clock-controller@[a-f0-9]+$':
     $ref: ../clock/brcm,iproc-clocks.yaml
 
+  '^syscon@[a-f0-9]+$':
+    $ref: syscon.yaml
+
   '^thermal@[a-f0-9]+$':
     $ref: ../thermal/brcm,ns-thermal.yaml
 
@@ -73,6 +76,11 @@ examples:
                                  "iprocfast", "sata1", "sata2";
         };
 
+        syscon at 180 {
+            compatible = "brcm,cru-clkset", "syscon";
+            reg = <0x180 0x4>;
+        };
+
         pinctrl {
             compatible = "brcm,bcm4708-pinmux";
             offset = <0x1c0>;
diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index abe3fd817e0b..0dcffc273c2b 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -38,6 +38,7 @@ properties:
               - allwinner,sun8i-h3-system-controller
               - allwinner,sun8i-v3s-system-controller
               - allwinner,sun50i-a64-system-controller
+              - brcm,cru-clkset
               - hisilicon,dsa-subctrl
               - hisilicon,hi6220-sramctrl
               - hisilicon,pcie-sas-subctrl
-- 
2.26.2




More information about the linux-phy mailing list