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Date: Fri, 23 Dec 2022 11:07:08 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: aisheng.dong@....com, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
s.hauer@...gutronix.de, ping.bai@....com, linus.walleij@...aro.org,
linux-gpio@...r.kernel.org
Cc: kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Peng Fan <peng.fan@....com>
Subject: [PATCH] dt-bindings: pinctrl: imx8m: Integrate duplicated i.MX 8M schemas
From: Peng Fan <peng.fan@....com>
The i.MX8MM/N/P/Q IOMUXC schemas are basically the same, it does not to
have four schemas for almost the same binding.
Signed-off-by: Peng Fan <peng.fan@....com>
---
...mm-pinctrl.yaml => fsl,imx8m-pinctrl.yaml} | 16 ++--
.../bindings/pinctrl/fsl,imx8mn-pinctrl.yaml | 84 -------------------
.../bindings/pinctrl/fsl,imx8mp-pinctrl.yaml | 84 -------------------
.../bindings/pinctrl/fsl,imx8mq-pinctrl.yaml | 84 -------------------
4 files changed, 10 insertions(+), 258 deletions(-)
rename Documentation/devicetree/bindings/pinctrl/{fsl,imx8mm-pinctrl.yaml => fsl,imx8m-pinctrl.yaml} (82%)
delete mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx8mn-pinctrl.yaml
delete mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx8mp-pinctrl.yaml
delete mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,imx8m-pinctrl.yaml
similarity index 82%
rename from Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yaml
rename to Documentation/devicetree/bindings/pinctrl/fsl,imx8m-pinctrl.yaml
index 6717f163390b..949d962a97b4 100644
--- a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx8m-pinctrl.yaml
@@ -1,13 +1,13 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/pinctrl/fsl,imx8mm-pinctrl.yaml#
+$id: http://devicetree.org/schemas/pinctrl/fsl,imx8m-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: Freescale IMX8MM IOMUX Controller
+title: Freescale IMX8M IOMUX Controller
maintainers:
- - Anson Huang <Anson.Huang@....com>
+ - Peng Fan <peng.fan@....com>
description:
Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
@@ -15,7 +15,11 @@ description:
properties:
compatible:
- const: fsl,imx8mm-iomuxc
+ enum:
+ - fsl,imx8mm-iomuxc
+ - fsl,imx8mn-iomuxc
+ - fsl,imx8mp-iomuxc
+ - fsl,imx8mq-iomuxc
reg:
maxItems: 1
@@ -34,9 +38,9 @@ patternProperties:
each entry consists of 6 integers and represents the mux and config
setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
- be found in <arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h>. The last
+ be found in <arch/arm64/boot/dts/freescale/imx8m[m,n,p,q]-pinfunc.h>. The last
integer CONFIG is the pad setting value like pull-up on this pin. Please
- refer to i.MX8M Mini Reference Manual for detailed CONFIG settings.
+ refer to i.MX8M Quad/Mini/Nano/Plus Reference Manual for detailed CONFIG settings.
$ref: /schemas/types.yaml#/definitions/uint32-matrix
items:
items:
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mn-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mn-pinctrl.yaml
deleted file mode 100644
index b1cdbb56d4e4..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mn-pinctrl.yaml
+++ /dev/null
@@ -1,84 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/pinctrl/fsl,imx8mn-pinctrl.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Freescale IMX8MN IOMUX Controller
-
-maintainers:
- - Anson Huang <Anson.Huang@....com>
-
-description:
- Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
- for common binding part and usage.
-
-properties:
- compatible:
- const: fsl,imx8mn-iomuxc
-
- reg:
- maxItems: 1
-
-# Client device subnode's properties
-patternProperties:
- 'grp$':
- type: object
- description:
- Pinctrl node's client devices use subnodes for desired pin configuration.
- Client device subnodes use below standard properties.
-
- properties:
- fsl,pins:
- description:
- each entry consists of 6 integers and represents the mux and config
- setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
- mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
- be found in <arch/arm64/boot/dts/freescale/imx8mn-pinfunc.h>. The last
- integer CONFIG is the pad setting value like pull-up on this pin. Please
- refer to i.MX8M Nano Reference Manual for detailed CONFIG settings.
- $ref: /schemas/types.yaml#/definitions/uint32-matrix
- items:
- items:
- - description: |
- "mux_reg" indicates the offset of mux register.
- - description: |
- "conf_reg" indicates the offset of pad configuration register.
- - description: |
- "input_reg" indicates the offset of select input register.
- - description: |
- "mux_val" indicates the mux value to be applied.
- - description: |
- "input_val" indicates the select input value to be applied.
- - description: |
- "pad_setting" indicates the pad configuration value to be applied.
-
- required:
- - fsl,pins
-
- additionalProperties: false
-
-allOf:
- - $ref: "pinctrl.yaml#"
-
-required:
- - compatible
- - reg
-
-additionalProperties: false
-
-examples:
- # Pinmux controller node
- - |
- iomuxc: pinctrl@...30000 {
- compatible = "fsl,imx8mn-iomuxc";
- reg = <0x30330000 0x10000>;
-
- pinctrl_uart2: uart2grp {
- fsl,pins =
- <0x23C 0x4A4 0x4FC 0x0 0x0 0x140>,
- <0x240 0x4A8 0x000 0x0 0x0 0x140>;
- };
- };
-
-...
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mp-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mp-pinctrl.yaml
deleted file mode 100644
index 4eed3a4e153a..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mp-pinctrl.yaml
+++ /dev/null
@@ -1,84 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/pinctrl/fsl,imx8mp-pinctrl.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Freescale IMX8MP IOMUX Controller
-
-maintainers:
- - Anson Huang <Anson.Huang@....com>
-
-description:
- Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
- for common binding part and usage.
-
-properties:
- compatible:
- const: fsl,imx8mp-iomuxc
-
- reg:
- maxItems: 1
-
-# Client device subnode's properties
-patternProperties:
- 'grp$':
- type: object
- description:
- Pinctrl node's client devices use subnodes for desired pin configuration.
- Client device subnodes use below standard properties.
-
- properties:
- fsl,pins:
- description:
- each entry consists of 6 integers and represents the mux and config
- setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
- mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
- be found in <arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h>. The last
- integer CONFIG is the pad setting value like pull-up on this pin. Please
- refer to i.MX8M Plus Reference Manual for detailed CONFIG settings.
- $ref: /schemas/types.yaml#/definitions/uint32-matrix
- items:
- items:
- - description: |
- "mux_reg" indicates the offset of mux register.
- - description: |
- "conf_reg" indicates the offset of pad configuration register.
- - description: |
- "input_reg" indicates the offset of select input register.
- - description: |
- "mux_val" indicates the mux value to be applied.
- - description: |
- "input_val" indicates the select input value to be applied.
- - description: |
- "pad_setting" indicates the pad configuration value to be applied.
-
- required:
- - fsl,pins
-
- additionalProperties: false
-
-allOf:
- - $ref: "pinctrl.yaml#"
-
-required:
- - compatible
- - reg
-
-additionalProperties: false
-
-examples:
- # Pinmux controller node
- - |
- iomuxc: pinctrl@...30000 {
- compatible = "fsl,imx8mp-iomuxc";
- reg = <0x30330000 0x10000>;
-
- pinctrl_uart2: uart2grp {
- fsl,pins =
- <0x228 0x488 0x5F0 0x0 0x6 0x49>,
- <0x228 0x488 0x000 0x0 0x0 0x49>;
- };
- };
-
-...
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.yaml
deleted file mode 100644
index d4a8ea5551a5..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.yaml
+++ /dev/null
@@ -1,84 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/pinctrl/fsl,imx8mq-pinctrl.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Freescale IMX8MQ IOMUX Controller
-
-maintainers:
- - Anson Huang <Anson.Huang@....com>
-
-description:
- Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
- for common binding part and usage.
-
-properties:
- compatible:
- const: fsl,imx8mq-iomuxc
-
- reg:
- maxItems: 1
-
-# Client device subnode's properties
-patternProperties:
- 'grp$':
- type: object
- description:
- Pinctrl node's client devices use subnodes for desired pin configuration.
- Client device subnodes use below standard properties.
-
- properties:
- fsl,pins:
- description:
- each entry consists of 6 integers and represents the mux and config
- setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
- mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
- be found in <arch/arm64/boot/dts/freescale/imx8mq-pinfunc.h>. The last
- integer CONFIG is the pad setting value like pull-up on this pin. Please
- refer to i.MX8M Quad Reference Manual for detailed CONFIG settings.
- $ref: /schemas/types.yaml#/definitions/uint32-matrix
- items:
- items:
- - description: |
- "mux_reg" indicates the offset of mux register.
- - description: |
- "conf_reg" indicates the offset of pad configuration register.
- - description: |
- "input_reg" indicates the offset of select input register.
- - description: |
- "mux_val" indicates the mux value to be applied.
- - description: |
- "input_val" indicates the select input value to be applied.
- - description: |
- "pad_setting" indicates the pad configuration value to be applied.
-
- required:
- - fsl,pins
-
- additionalProperties: false
-
-allOf:
- - $ref: "pinctrl.yaml#"
-
-required:
- - compatible
- - reg
-
-additionalProperties: false
-
-examples:
- # Pinmux controller node
- - |
- iomuxc: pinctrl@...30000 {
- compatible = "fsl,imx8mq-iomuxc";
- reg = <0x30330000 0x10000>;
-
- pinctrl_uart1: uart1grp {
- fsl,pins =
- <0x234 0x49C 0x4F4 0x0 0x0 0x49>,
- <0x238 0x4A0 0x4F4 0x0 0x0 0x49>;
- };
- };
-
-...
--
2.37.1
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