linux-kernel - [PATCH AUTOSEL 5.14 80/99] dt-bindings: clock: brcm,iproc-clocks: fix armpll properties

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Message-Id: <20210910001558.173296-80-sashal@kernel.org>
Date:   Thu,  9 Sep 2021 20:15:39 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Rafał Miłecki <rafal@...ecki.pl>,
        Florian Fainelli <f.fainelli@...il.com>,
        Rob Herring <robh@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
        Sasha Levin <sashal@...nel.org>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.14 80/99] dt-bindings: clock: brcm,iproc-clocks: fix armpll properties

From: Rafał Miłecki <rafal@...ecki.pl>

[ Upstream commit 6880d94f84262e721f7da6eaa41cd8fd5d87164c ]

armpll clocks (available on Cygnus and Northstar Plus) are simple clocks
with no cells. Adjust binding props #clock-cells and clock-output-names
to handle them.

Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
Link: https://lore.kernel.org/r/20210819052918.6753-1-zajec5@gmail.com
Acked-by: Florian Fainelli <f.fainelli@...il.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 .../bindings/clock/brcm,iproc-clocks.yaml     | 27 +++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.yaml b/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.yaml
index 1174c9aa9934..5ad147d265e6 100644
--- a/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.yaml
+++ b/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.yaml
@@ -61,13 +61,30 @@ properties:
     maxItems: 1
 
   '#clock-cells':
-    const: 1
+    true
 
   clock-output-names:
     minItems: 1
     maxItems: 45
 
 allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - brcm,cygnus-armpll
+              - brcm,nsp-armpll
+    then:
+      properties:
+        '#clock-cells':
+          const: 0
+    else:
+      properties:
+        '#clock-cells':
+          const: 1
+      required:
+        - clock-output-names
   - if:
       properties:
         compatible:
@@ -358,7 +375,6 @@ required:
   - reg
   - clocks
   - '#clock-cells'
-  - clock-output-names
 
 additionalProperties: false
 
@@ -392,3 +408,10 @@ examples:
         clocks = <&osc2>;
         clock-output-names = "keypad", "adc/touch", "pwm";
     };
+  - |
+    arm_clk@0 {
+        #clock-cells = <0>;
+        compatible = "brcm,nsp-armpll";
+        clocks = <&osc>;
+        reg = <0x0 0x1000>;
+    };
-- 
2.30.2