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author | Vignesh Raghavendra <vigneshr@ti.com> | 2021-05-26 13:04:12 +0300 |
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committer | Wolfram Sang <wsa@kernel.org> | 2021-06-04 23:28:29 +0300 |
commit | 02fa1189927f69f0f9d617789943fb4ae748012b (patch) | |
tree | aef4b67fb4c79ee600cac38a95dc23997883c0e2 /Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml | |
parent | 5ab9dc38e2cf5c577722e2d959496b4c2503d1d4 (diff) | |
download | linux-02fa1189927f69f0f9d617789943fb4ae748012b.tar.xz |
dt-bindings: i2c: Move i2c-omap.txt to YAML format
Convert i2c-omap.txt to YAML schema for better checks and documentation.
Following properties were used in DT but were not documented in txt
bindings and has been included in YAML schema:
1. Include ti,am4372-i2c compatible
2. Document clocks property
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml b/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml new file mode 100644 index 000000000000..ff165ad1bee8 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/ti,omap4-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Bindings for I2C controllers on TI's OMAP and K3 SoCs + +maintainers: + - Vignesh Raghavendra <vigneshr@ti.com> + +properties: + compatible: + oneOf: + - enum: + - ti,omap2420-i2c + - ti,omap2430-i2c + - ti,omap3-i2c + - ti,omap4-i2c + - items: + - enum: + - ti,am4372-i2c + - ti,am64-i2c + - ti,am654-i2c + - ti,j721e-i2c + - const: ti,omap4-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: fck + + clock-frequency: true + + power-domains: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + ti,hwmods: + description: + Must be "i2c<n>", n being the instance number (1-based). + This property is applicable only on legacy platforms mainly omap2/3 + and ti81xx and should not be used on other platforms. + $ref: /schemas/types.yaml#/definitions/string + deprecated: true + +# subnode's properties +patternProperties: + "@[0-9a-f]+$": + type: object + description: + Flash device uses the below defined properties in the subnode. + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +if: + properties: + compatible: + oneOf: + - const: ti,omap2420-i2c + - const: ti,omap2430-i2c + - const: ti,omap3-i2c + - const: ti,omap4-i2c + +then: + properties: + ti,hwmods: + items: + - pattern: "^i2c([1-9])$" + +else: + properties: + ti,hwmods: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + main_i2c0: i2c@2000000 { + compatible = "ti,j721e-i2c", "ti,omap4-i2c"; + reg = <0x2000000 0x100>; + interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + }; |