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From:   Rob Herring <robh@kernel.org>
To:     =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>,
        Linus Walleij <linus.walleij@linaro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        =?UTF-8?q?Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>,
        Jonas Gorski <jonas.gorski@gmail.com>
Cc:     linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [RFC] dt-bindings: pinctrl: brcm: Ensure all child node properties are documented
Date:   Tue, 16 Aug 2022 12:39:10 -0600
Message-Id: <20220816183911.2517173-1-robh@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

The Broadcom pinctrl bindings are incomplete for child nodes as they are
missing 'unevaluatedProperties: false' to prevent unknown properties.
Fixing this reveals many warnings including having grandchild nodes in some
cases.

Signed-off-by: Rob Herring <robh@kernel.org>
---
This recursive schema requires a fix not yet committed in dtschema.

I'm looking for feedback on whether group->pins or group->groups is the
right fix here. There's more warnings with this change in the gpio-sysctl
bindings.
---
 .../pinctrl/brcm,bcm6318-pinctrl.yaml         |  5 ++++
 .../pinctrl/brcm,bcm63268-pinctrl.yaml        | 23 +++++++++++--------
 .../pinctrl/brcm,bcm6328-pinctrl.yaml         |  5 ++++
 .../pinctrl/brcm,bcm6358-pinctrl.yaml         |  1 +
 .../pinctrl/brcm,bcm6362-pinctrl.yaml         |  7 +++++-
 .../pinctrl/brcm,bcm6368-pinctrl.yaml         |  7 +++++-
 6 files changed, 37 insertions(+), 11 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml
index ab019a1998e8..1792d07e497d 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml
@@ -24,6 +24,7 @@ patternProperties:
   '-pins$':
     type: object
     $ref: pinmux-node.yaml#
+    additionalProperties: false
 
     properties:
       function:
@@ -37,6 +38,10 @@ patternProperties:
         enum: [ gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6, gpio7,
                 gpio8, gpio9, gpio10, gpio11, gpio12, gpio13, gpio40 ]
 
+    patternProperties:
+      '-pins$':
+        $ref: '#/patternProperties/-pins$'
+
 allOf:
   - $ref: "pinctrl.yaml#"
 
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml
index 8c9d4668c8c4..7aa1b6738ebf 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml
@@ -24,6 +24,7 @@ patternProperties:
   '-pins$':
     type: object
     $ref: pinmux-node.yaml#
+    unevaluatedProperties: false
 
     properties:
       function:
@@ -41,6 +42,10 @@ patternProperties:
                 vdsl_phy_override_1_grp, vdsl_phy_override_2_grp,
                 vdsl_phy_override_3_grp, dsl_gpio8, dsl_gpio9 ]
 
+    patternProperties:
+      '-pins$':
+        $ref: '#/patternProperties/-pins$'
+
 allOf:
   - $ref: "pinctrl.yaml#"
 
@@ -122,46 +127,46 @@ examples:
 
       pinctrl_nand: nand-pins {
         function = "nand";
-        group = "nand_grp";
+        pins = "nand_grp";
       };
 
       pinctrl_gpio35_alt: gpio35_alt-pins {
         function = "gpio35_alt";
-        pin = "gpio35";
+        pins = "gpio35";
       };
 
       pinctrl_dectpd: dectpd-pins {
         function = "dectpd";
-        group = "dectpd_grp";
+        pins = "dectpd_grp";
       };
 
       pinctrl_vdsl_phy_override_0: vdsl_phy_override_0-pins {
         function = "vdsl_phy_override_0";
-        group = "vdsl_phy_override_0_grp";
+        pins = "vdsl_phy_override_0_grp";
       };
 
       pinctrl_vdsl_phy_override_1: vdsl_phy_override_1-pins {
         function = "vdsl_phy_override_1";
-        group = "vdsl_phy_override_1_grp";
+        pins = "vdsl_phy_override_1_grp";
       };
 
       pinctrl_vdsl_phy_override_2: vdsl_phy_override_2-pins {
         function = "vdsl_phy_override_2";
-        group = "vdsl_phy_override_2_grp";
+        pins = "vdsl_phy_override_2_grp";
       };
 
       pinctrl_vdsl_phy_override_3: vdsl_phy_override_3-pins {
         function = "vdsl_phy_override_3";
-        group = "vdsl_phy_override_3_grp";
+        pins = "vdsl_phy_override_3_grp";
       };
 
       pinctrl_dsl_gpio8: dsl_gpio8-pins {
         function = "dsl_gpio8";
-        group = "dsl_gpio8";
+        pins = "dsl_gpio8";
       };
 
       pinctrl_dsl_gpio9: dsl_gpio9-pins {
         function = "dsl_gpio9";
-        group = "dsl_gpio9";
+        pins = "dsl_gpio9";
       };
     };
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml
index a8e22ec02215..e42071abf282 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml
@@ -24,6 +24,7 @@ patternProperties:
   '-pins$':
     type: object
     $ref: pinmux-node.yaml#
+    unevaluatedProperties: false
 
     properties:
       function:
@@ -36,6 +37,10 @@ patternProperties:
                 gpio20, gpio25, gpio26, gpio27, gpio28, hsspi_cs1,
                 usb_port1 ]
 
+    patternProperties:
+      '-pins$':
+        $ref: '#/patternProperties/-pins$'
+
 allOf:
   - $ref: "pinctrl.yaml#"
 
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml
index 35867355a47a..20dbb1a3c19b 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml
@@ -24,6 +24,7 @@ patternProperties:
   '-pins$':
     type: object
     $ref: pinmux-node.yaml#
+    unevaluatedProperties: false
 
     properties:
       function:
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml
index b584d4b27223..ac0e775383b9 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml
@@ -24,6 +24,7 @@ patternProperties:
   '-pins$':
     type: object
     $ref: pinmux-node.yaml#
+    unevaluatedProperties: false
 
     properties:
       function:
@@ -41,6 +42,10 @@ patternProperties:
                 gpio15, gpio16, gpio17, gpio18, gpio19, gpio20, gpio21,
                 gpio22, gpio23, gpio24, gpio25, gpio26, gpio27, nand_grp ]
 
+    patternProperties:
+      '-pins$':
+        $ref: '#/patternProperties/-pins$'
+
 allOf:
   - $ref: "pinctrl.yaml#"
 
@@ -204,6 +209,6 @@ examples:
 
       pinctrl_nand: nand-pins {
         function = "nand";
-        group = "nand_grp";
+        pins = "nand_grp";
       };
     };
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml
index 229323d9237d..91f0ec45c871 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml
@@ -24,6 +24,7 @@ patternProperties:
   '-pins$':
     type: object
     $ref: pinmux-node.yaml#
+    unevaluatedProperties: false
 
     properties:
       function:
@@ -42,6 +43,10 @@ patternProperties:
                 gpio24, gpio25, gpio26, gpio27, gpio28, gpio29, gpio30,
                 gpio31, uart1_grp ]
 
+    patternProperties:
+      '-pins$':
+        $ref: '#/patternProperties/-pins$'
+
 allOf:
   - $ref: "pinctrl.yaml#"
 
@@ -215,6 +220,6 @@ examples:
 
       pinctrl_uart1: uart1-pins {
         function = "uart1";
-        group = "uart1_grp";
+        pins = "uart1_grp";
       };
     };
-- 
2.34.1