dt-bindings: i2c: nomadik: add mobileye,eyeq5-i2c bindings and example
Add EyeQ5 bindings to the existing Nomadik I2C dt-bindings. Add the EyeQ5-specific property behind a conditional. Add an example for this compatible. Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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@ -14,9 +14,6 @@ description: The Nomadik I2C host controller began its life in the ST
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maintainers:
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- Linus Walleij <linus.walleij@linaro.org>
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allOf:
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- $ref: /schemas/i2c/i2c-controller.yaml#
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# Need a custom select here or 'arm,primecell' will match on lots of nodes
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select:
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properties:
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@ -24,21 +21,23 @@ select:
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contains:
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enum:
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- st,nomadik-i2c
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- mobileye,eyeq5-i2c
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required:
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- compatible
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properties:
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compatible:
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oneOf:
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# The variant found in STn8815
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- items:
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- const: st,nomadik-i2c
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- const: arm,primecell
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# The variant found in DB8500
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- items:
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- const: stericsson,db8500-i2c
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- const: st,nomadik-i2c
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- const: arm,primecell
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- items:
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- const: mobileye,eyeq5-i2c
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- const: arm,primecell
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reg:
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maxItems: 1
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@ -55,7 +54,7 @@ properties:
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- items:
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- const: mclk
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- const: apb_pclk
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# Clock name in DB8500
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# Clock name in DB8500 or EyeQ5
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- items:
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- const: i2cclk
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- const: apb_pclk
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@ -70,6 +69,16 @@ properties:
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minimum: 1
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maximum: 400000
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mobileye,olb:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: Phandle to OLB system controller node.
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- description: Platform-wide controller ID (integer starting from zero).
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description:
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The phandle pointing to OLB system controller node, with the I2C
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controller index.
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required:
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- compatible
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- reg
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@ -79,6 +88,20 @@ required:
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unevaluatedProperties: false
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allOf:
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- $ref: /schemas/i2c/i2c-controller.yaml#
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- if:
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properties:
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compatible:
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contains:
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const: mobileye,eyeq5-i2c
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then:
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required:
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- mobileye,olb
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else:
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properties:
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mobileye,olb: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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@ -111,5 +134,19 @@ examples:
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clocks = <&i2c0clk>, <&pclki2c0>;
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clock-names = "mclk", "apb_pclk";
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};
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- |
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#include <dt-bindings/interrupt-controller/mips-gic.h>
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i2c@300000 {
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compatible = "mobileye,eyeq5-i2c", "arm,primecell";
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reg = <0x300000 0x1000>;
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interrupt-parent = <&gic>;
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interrupts = <GIC_SHARED 1 IRQ_TYPE_LEVEL_HIGH>;
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clock-frequency = <400000>;
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#address-cells = <1>;
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#size-cells = <0>;
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clocks = <&i2c_ser_clk>, <&i2c_clk>;
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clock-names = "i2cclk", "apb_pclk";
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mobileye,olb = <&olb 0>;
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};
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...
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