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Message-Id: <20190628023838.15426-4-andrew@aj.id.au>
Date: Fri, 28 Jun 2019 12:08:33 +0930
From: Andrew Jeffery <andrew@...id.au>
To: linux-gpio@...r.kernel.org
Cc: ryan_chen@...eedtech.com, Andrew Jeffery <andrew@...id.au>,
linus.walleij@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
joel@....id.au, linux-aspeed@...ts.ozlabs.org,
openbmc@...ts.ozlabs.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Johnny Huang <johnny_huang@...eedtech.com>
Subject: [PATCH v2 3/8] dt-bindings: pinctrl: aspeed: Convert AST2500 bindings to json-schema
Convert ASPEED pinctrl bindings to DT schema format using json-schema.
Cc: Johnny Huang <johnny_huang@...eedtech.com>
Signed-off-by: Andrew Jeffery <andrew@...id.au>
---
In v2:
* Enforce function/group names in bindings
* Move description above properties
* Simplify specification of compatible
* Cleanup license specification
.../pinctrl/aspeed,ast2500-pinctrl.txt | 119 ----------------
.../pinctrl/aspeed,ast2500-pinctrl.yaml | 134 ++++++++++++++++++
2 files changed, 134 insertions(+), 119 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.txt
create mode 100644 Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.txt
deleted file mode 100644
index 2f16e401338a..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.txt
+++ /dev/null
@@ -1,119 +0,0 @@
-=============================
-Aspeed AST2500 Pin Controller
-=============================
-
-Required properties for g5:
-- compatible : Should be one of the following:
- "aspeed,ast2500-pinctrl"
- "aspeed,g5-pinctrl"
-
-- aspeed,external-nodes: A cell of phandles to external controller nodes:
- 0: compatible with "aspeed,ast2500-gfx", "syscon"
- 1: compatible with "aspeed,ast2500-lhc", "syscon"
-
-The pin controller node should be the child of a syscon node with the required
-property:
-
-- compatible : Should be one of the following:
- "aspeed,ast2500-scu", "syscon", "simple-mfd"
- "aspeed,g5-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 ESPI FWSPICS1 FWSPICS2 GPID0 GPID2 GPID4
-GPID6 GPIE0 GPIE2 GPIE4 GPIE6 I2C10 I2C11 I2C12 I2C13 I2C14 I2C3 I2C4 I2C5 I2C6
-I2C7 I2C8 I2C9 LAD0 LAD1 LAD2 LAD3 LCLK LFRAME LPCHC LPCPD LPCPLUS LPCPME
-LPCRST LPCSMI LSIRQ MAC1LINK MAC2LINK MDIO1 MDIO2 NCTS1 NCTS2 NCTS3 NCTS4 NDCD1
-NDCD2 NDCD3 NDCD4 NDSR1 NDSR2 NDSR3 NDSR4 NDTR1 NDTR2 NDTR3 NDTR4 NRI1 NRI2
-NRI3 NRI4 NRTS1 NRTS2 NRTS3 NRTS4 OSCCLK PEWAKE PNOR PWM0 PWM1 PWM2 PWM3 PWM4
-PWM5 PWM6 PWM7 RGMII1 RGMII2 RMII1 RMII2 RXD1 RXD2 RXD3 RXD4 SALT1 SALT10
-SALT11 SALT12 SALT13 SALT14 SALT2 SALT3 SALT4 SALT5 SALT6 SALT7 SALT8 SALT9
-SCL1 SCL2 SD1 SD2 SDA1 SDA2 SGPS1 SGPS2 SIOONCTRL SIOPBI SIOPBO SIOPWREQ
-SIOPWRGD SIOS3 SIOS5 SIOSCI SPI1 SPI1CS1 SPI1DEBUG SPI1PASSTHRU SPI2CK SPI2CS0
-SPI2CS1 SPI2MISO SPI2MOSI TIMER3 TIMER4 TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD2
-TXD3 TXD4 UART6 USB11BHID USB2AD USB2AH USB2BD USB2BH USBCKI VGABIOSROM VGAHS
-VGAVS VPI24 VPO WDTRST1 WDTRST2
-
-Example
-=======
-
-ahb {
- apb {
- syscon: scu@...e2000 {
- compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd";
- reg = <0x1e6e2000 0x1a8>;
-
- pinctrl: pinctrl {
- compatible = "aspeed,g5-pinctrl";
- aspeed,external-nodes = <&gfx &lhc>;
-
- pinctrl_i2c3_default: i2c3_default {
- function = "I2C3";
- groups = "I2C3";
- };
-
- pinctrl_gpioh0_unbiased_default: gpioh0 {
- pins = "A18";
- bias-disable;
- };
- };
- };
-
- gfx: display@...e6000 {
- compatible = "aspeed,ast2500-gfx", "syscon";
- reg = <0x1e6e6000 0x1000>;
- };
- };
-
- lpc: lpc@...89000 {
- compatible = "aspeed,ast2500-lpc", "simple-mfd";
- reg = <0x1e789000 0x1000>;
-
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0x0 0x1e789000 0x1000>;
-
- lpc_host: lpc-host@80 {
- compatible = "aspeed,ast2500-lpc-host", "simple-mfd", "syscon";
- reg = <0x80 0x1e0>;
- reg-io-width = <4>;
-
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0x0 0x80 0x1e0>;
-
- lhc: lhc@20 {
- compatible = "aspeed,ast2500-lhc";
- reg = <0x20 0x24 0x48 0x8>;
- };
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
new file mode 100644
index 000000000000..cf561bd55128
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
@@ -0,0 +1,134 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/aspeed,ast2500-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED AST2500 Pin Controller
+
+maintainers:
+ - Andrew Jeffery <andrew@...id.au>
+
+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,ast2500-scu", "syscon", "simple-mfd"
+ "aspeed,g5-scu", "syscon", "simple-mfd"
+
+ Refer to the the bindings described in
+ Documentation/devicetree/bindings/mfd/syscon.txt
+
+properties:
+ compatible:
+ enum: [ aspeed,ast2500-pinctrl, aspeed,g5-pinctrl ]
+ aspeed,external-nodes:
+ minItems: 2
+ maxItems: 2
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/phandle-array
+ description: |
+ A cell of phandles to external controller nodes:
+ 0: compatible with "aspeed,ast2500-gfx", "syscon"
+ 1: compatible with "aspeed,ast2500-lhc", "syscon"
+
+patternProperties:
+ '^.*$':
+ if:
+ type: object
+ then:
+ patternProperties:
+ "^function|groups$":
+ allOf:
+ - $ref: "/schemas/types.yaml#/definitions/string"
+ - enum: [ "ACPI", "ADC0", "ADC1", "ADC10", "ADC11", "ADC12", "ADC13",
+ "ADC14", "ADC15", "ADC2", "ADC3", "ADC4", "ADC5", "ADC6", "ADC7",
+ "ADC8", "ADC9", "BMCINT", "DDCCLK", "DDCDAT", "ESPI", "FWSPICS1",
+ "FWSPICS2", "GPID0", "GPID2", "GPID4", "GPID6", "GPIE0", "GPIE2",
+ "GPIE4", "GPIE6", "I2C10", "I2C11", "I2C12", "I2C13", "I2C14",
+ "I2C3", "I2C4", "I2C5", "I2C6", "I2C7", "I2C8", "I2C9", "LAD0",
+ "LAD1", "LAD2", "LAD3", "LCLK", "LFRAME", "LPCHC", "LPCPD",
+ "LPCPLUS", "LPCPME", "LPCRST", "LPCSMI", "LSIRQ", "MAC1LINK",
+ "MAC2LINK", "MDIO1", "MDIO2", "NCTS1", "NCTS2", "NCTS3", "NCTS4",
+ "NDCD1", "NDCD2", "NDCD3", "NDCD4", "NDSR1", "NDSR2", "NDSR3",
+ "NDSR4", "NDTR1", "NDTR2", "NDTR3", "NDTR4", "NRI1", "NRI2",
+ "NRI3", "NRI4", "NRTS1", "NRTS2", "NRTS3", "NRTS4", "OSCCLK",
+ "PEWAKE", "PNOR", "PWM0", "PWM1", "PWM2", "PWM3", "PWM4", "PWM5",
+ "PWM6", "PWM7", "RGMII1", "RGMII2", "RMII1", "RMII2", "RXD1",
+ "RXD2", "RXD3", "RXD4", "SALT1", "SALT10", "SALT11", "SALT12",
+ "SALT13", "SALT14", "SALT2", "SALT3", "SALT4", "SALT5", "SALT6",
+ "SALT7", "SALT8", "SALT9", "SCL1", "SCL2", "SD1", "SD2", "SDA1",
+ "SDA2", "SGPS1", "SGPS2", "SIOONCTRL", "SIOPBI", "SIOPBO",
+ "SIOPWREQ", "SIOPWRGD", "SIOS3", "SIOS5", "SIOSCI", "SPI1",
+ "SPI1CS1", "SPI1DEBUG", "SPI1PASSTHRU", "SPI2CK", "SPI2CS0",
+ "SPI2CS1", "SPI2MISO", "SPI2MOSI", "TIMER3", "TIMER4", "TIMER5",
+ "TIMER6", "TIMER7", "TIMER8", "TXD1", "TXD2", "TXD3", "TXD4",
+ "UART6", "USB11BHID", "USB2AD", "USB2AH", "USB2BD", "USB2BH",
+ "USBCKI", "VGABIOSROM", "VGAHS", "VGAVS", "VPI24", "VPO",
+ "WDTRST1", "WDTRST2", ]
+
+required:
+ - compatible
+ - aspeed,external-nodes
+
+examples:
+ - |
+ compatible = "simple-bus";
+ ranges;
+
+ apb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ syscon: scu@...e2000 {
+ compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd";
+ reg = <0x1e6e2000 0x1a8>;
+
+ pinctrl: pinctrl {
+ compatible = "aspeed,g5-pinctrl";
+ aspeed,external-nodes = <&gfx &lhc>;
+
+ pinctrl_i2c3_default: i2c3_default {
+ function = "I2C3";
+ groups = "I2C3";
+ };
+
+ pinctrl_gpioh0_unbiased_default: gpioh0 {
+ pins = "A18";
+ bias-disable;
+ };
+ };
+ };
+
+ gfx: display@...e6000 {
+ compatible = "aspeed,ast2500-gfx", "syscon";
+ reg = <0x1e6e6000 0x1000>;
+ };
+ };
+
+ lpc: lpc@...89000 {
+ compatible = "aspeed,ast2500-lpc", "simple-mfd";
+ reg = <0x1e789000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x1e789000 0x1000>;
+
+ lpc_host: lpc-host@80 {
+ compatible = "aspeed,ast2500-lpc-host", "simple-mfd", "syscon";
+ reg = <0x80 0x1e0>;
+ reg-io-width = <4>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x80 0x1e0>;
+
+ lhc: lhc@20 {
+ compatible = "aspeed,ast2500-lhc";
+ reg = <0x20 0x24 0x48 0x8>;
+ };
+ };
+ };
--
2.20.1
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