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From:   Andrew Jeffery <andrew@aj.id.au>
To:     linux-gpio@vger.kernel.org
Cc:     ryan_chen@aspeedtech.com, Andrew Jeffery <andrew@aj.id.au>,
        linus.walleij@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com,
        joel@jms.id.au, linux-aspeed@lists.ozlabs.org,
        openbmc@lists.ozlabs.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/8] dt-bindings: pinctrl: aspeed: Convert AST2400 bindings to json-schema
Date:   Wed, 26 Jun 2019 16:44:24 +0930
Message-Id: <20190626071430.28556-3-andrew@aj.id.au>
In-Reply-To: <20190626071430.28556-1-andrew@aj.id.au>
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Convert ASPEED pinctrl bindings to DT schema format using json-schema

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
---
 .../pinctrl/aspeed,ast2400-pinctrl.txt        | 80 -------------------
 .../pinctrl/aspeed,ast2400-pinctrl.yaml       | 73 +++++++++++++++++
 2 files changed, 73 insertions(+), 80 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.txt
 create mode 100644 Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.txt
deleted file mode 100644
index 67e0325ccf2e..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.txt
+++ /dev/null
@@ -1,80 +0,0 @@
-=============================
-Aspeed AST2400 Pin Controller
-=============================
-
-Required properties for the AST2400:
-- compatible : 			Should be one of the following:
-				"aspeed,ast2400-pinctrl"
-				"aspeed,g4-pinctrl"
-
-The pin controller node should be the child of a syscon node with the required
-property:
-
-- compatible : 		Should be one of the following:
-			"aspeed,ast2400-scu", "syscon", "simple-mfd"
-			"aspeed,g4-scu", "syscon", "simple-mfd"
-
-Refer to the the bindings described in
-Documentation/devicetree/bindings/mfd/syscon.txt
-
-Subnode Format
-==============
-
-The required properties of pinmux child nodes are:
-- function: the mux function to select
-- groups  : the list of groups to select with this function
-
-Required properties of pinconf child nodes are:
-- groups: A list of groups to select (either this or "pins" must be
-          specified)
-- pins  : A list of ball names as strings, eg "D14" (either this or "groups"
-          must be specified)
-
-Optional properties of pinconf child nodes are:
-- bias-disable  : disable any pin bias
-- bias-pull-down: pull down the pin
-- drive-strength: sink or source at most X mA
-
-Definitions are as specified in
-Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt, with any
-further limitations as described above.
-
-For pinmux, each mux function has only one associated pin group. Each group is
-named by its function. The following values for the function and groups
-properties are supported:
-
-ACPI ADC0 ADC1 ADC10 ADC11 ADC12 ADC13 ADC14 ADC15 ADC2 ADC3 ADC4 ADC5 ADC6
-ADC7 ADC8 ADC9 BMCINT DDCCLK DDCDAT EXTRST FLACK FLBUSY FLWP GPID GPID0 GPID2
-GPID4 GPID6 GPIE0 GPIE2 GPIE4 GPIE6 I2C10 I2C11 I2C12 I2C13 I2C14 I2C3 I2C4
-I2C5 I2C6 I2C7 I2C8 I2C9 LPCPD LPCPME LPCRST LPCSMI MAC1LINK MAC2LINK MDIO1
-MDIO2 NCTS1 NCTS2 NCTS3 NCTS4 NDCD1 NDCD2 NDCD3 NDCD4 NDSR1 NDSR2 NDSR3 NDSR4
-NDTR1 NDTR2 NDTR3 NDTR4 NDTS4 NRI1 NRI2 NRI3 NRI4 NRTS1 NRTS2 NRTS3 OSCCLK PWM0
-PWM1 PWM2 PWM3 PWM4 PWM5 PWM6 PWM7 RGMII1 RGMII2 RMII1 RMII2 ROM16 ROM8 ROMCS1
-ROMCS2 ROMCS3 ROMCS4 RXD1 RXD2 RXD3 RXD4 SALT1 SALT2 SALT3 SALT4 SD1 SD2 SGPMCK
-SGPMI SGPMLD SGPMO SGPSCK SGPSI0 SGPSI1 SGPSLD SIOONCTRL SIOPBI SIOPBO SIOPWREQ
-SIOPWRGD SIOS3 SIOS5 SIOSCI SPI1 SPI1DEBUG SPI1PASSTHRU SPICS1 TIMER3 TIMER4
-TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD2 TXD3 TXD4 UART6 USB11D1 USB11H2 USB2D1
-USB2H1 USBCKI VGABIOS_ROM VGAHS VGAVS VPI18 VPI24 VPI30 VPO12 VPO24 WDTRST1
-WDTRST2
-
-Example
-=======
-
-syscon: scu@1e6e2000 {
-	compatible = "aspeed,ast2400-scu", "syscon", "simple-mfd";
-	reg = <0x1e6e2000 0x1a8>;
-
-	pinctrl: pinctrl {
-		compatible = "aspeed,g4-pinctrl";
-
-		pinctrl_i2c3_default: i2c3_default {
-			function = "I2C3";
-			groups = "I2C3";
-		};
-
-		pinctrl_gpioh0_unbiased_default: gpioh0 {
-			pins = "A8";
-			bias-disable;
-		};
-	};
-};
diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml
new file mode 100644
index 000000000000..3b8cf3e51506
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-2.0+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/aspeed,ast2400-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED AST2400 Pin Controller
+
+maintainers:
+  - Andrew Jeffery <andrew@aj.id.au>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+        - enum:
+          - aspeed,ast2400-pinctrl
+      - items:
+        - enum:
+          - aspeed,g4-pinctrl
+
+required:
+  - compatible
+
+description: |+
+  The pin controller node should be the child of a syscon node with the
+  required property:
+
+  - compatible:     Should be one of the following:
+                    "aspeed,ast2400-scu", "syscon", "simple-mfd"
+                    "aspeed,g4-scu", "syscon", "simple-mfd"
+
+  Refer to the the bindings described in
+  Documentation/devicetree/bindings/mfd/syscon.txt
+
+  For the AST2400 pinmux, each mux function has only one associated pin group.
+  Each group is named by its function. The following values for the function
+  and groups properties are supported:
+
+  ACPI ADC0 ADC1 ADC10 ADC11 ADC12 ADC13 ADC14 ADC15 ADC2 ADC3 ADC4 ADC5 ADC6
+  ADC7 ADC8 ADC9 BMCINT DDCCLK DDCDAT EXTRST FLACK FLBUSY FLWP GPID GPID0 GPID2
+  GPID4 GPID6 GPIE0 GPIE2 GPIE4 GPIE6 I2C10 I2C11 I2C12 I2C13 I2C14 I2C3 I2C4
+  I2C5 I2C6 I2C7 I2C8 I2C9 LPCPD LPCPME LPCRST LPCSMI MAC1LINK MAC2LINK MDIO1
+  MDIO2 NCTS1 NCTS2 NCTS3 NCTS4 NDCD1 NDCD2 NDCD3 NDCD4 NDSR1 NDSR2 NDSR3 NDSR4
+  NDTR1 NDTR2 NDTR3 NDTR4 NDTS4 NRI1 NRI2 NRI3 NRI4 NRTS1 NRTS2 NRTS3 OSCCLK
+  PWM0 PWM1 PWM2 PWM3 PWM4 PWM5 PWM6 PWM7 RGMII1 RGMII2 RMII1 RMII2 ROM16 ROM8
+  ROMCS1 ROMCS2 ROMCS3 ROMCS4 RXD1 RXD2 RXD3 RXD4 SALT1 SALT2 SALT3 SALT4 SD1
+  SD2 SGPMCK SGPMI SGPMLD SGPMO SGPSCK SGPSI0 SGPSI1 SGPSLD SIOONCTRL SIOPBI
+  SIOPBO SIOPWREQ SIOPWRGD SIOS3 SIOS5 SIOSCI SPI1 SPI1DEBUG SPI1PASSTHRU
+  SPICS1 TIMER3 TIMER4 TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD2 TXD3 TXD4 UART6
+  USB11D1 USB11H2 USB2D1 USB2H1 USBCKI VGABIOS_ROM VGAHS VGAVS VPI18 VPI24
+  VPI30 VPO12 VPO24 WDTRST1 WDTRST2
+
+examples:
+  - |
+    syscon: scu@1e6e2000 {
+        compatible = "aspeed,ast2400-scu", "syscon", "simple-mfd";
+        reg = <0x1e6e2000 0x1a8>;
+
+        pinctrl: pinctrl {
+            compatible = "aspeed,g4-pinctrl";
+
+            pinctrl_i2c3_default: i2c3_default {
+                function = "I2C3";
+                groups = "I2C3";
+            };
+
+            pinctrl_gpioh0_unbiased_default: gpioh0 {
+                pins = "A8";
+                bias-disable;
+            };
+        };
+    };
-- 
2.20.1