linux-kernel - [PATCH] dt-bindings: Drop undocumented i.MX iomuxc-gpr bindings in examples

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Date:   Fri, 22 Apr 2022 14:21:21 -0500
From:   Rob Herring <robh@...nel.org>
To:     Lee Jones <lee.jones@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Peter Rosin <peda@...ntia.se>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: Drop undocumented i.MX iomuxc-gpr bindings in examples

The i.MX iomuxc-gpr bindings are undocumented and a mess. Drop their use
from the examples.

The problem with the binding beyond the just random variations is that
the iomuxc-gpr is not a separate block, but registers within the iomuxc
block containing random leftover controls. As a separate DT node, it
creates nodes with overlapping memory addresses.

Signed-off-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/mfd/syscon.yaml  | 8 --------
 Documentation/devicetree/bindings/mux/reg-mux.yaml | 1 -
 2 files changed, 9 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 13baa452cc9d..fb784045013f 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -100,12 +100,4 @@ examples:
         compatible = "allwinner,sun8i-h3-system-controller", "syscon";
         reg = <0x01c00000 0x1000>;
     };
-
-  - |
-    gpr: iomuxc-gpr@...0000 {
-        compatible = "fsl,imx6q-iomuxc-gpr", "syscon";
-        reg = <0x020e0000 0x38>;
-        hwlocks = <&hwlock1 1>;
-    };
-
 ...
diff --git a/Documentation/devicetree/bindings/mux/reg-mux.yaml b/Documentation/devicetree/bindings/mux/reg-mux.yaml
index 60d5746eb39d..df4db96b5391 100644
--- a/Documentation/devicetree/bindings/mux/reg-mux.yaml
+++ b/Documentation/devicetree/bindings/mux/reg-mux.yaml
@@ -96,7 +96,6 @@ examples:
 
     #include <dt-bindings/mux/mux.h>
     syscon@...0 {
-        compatible = "fsl,imx7d-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr", "syscon", "simple-mfd";
         reg = <0x1000 0x100>;
 
         mux2: mux-controller {
-- 
2.32.0