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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2024-03-20 11:28:51 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2024-03-20 11:28:51 +0300 |
| commit | 7e5d4236d5462e2fef75fad6101fccee47051c4a (patch) | |
| tree | 53ae2fdc99f5ffa2411884d3636ccbe4aceeb87f /Documentation/devicetree/bindings/i2c | |
| parent | a4145ce1e7bc247fd6f2846e8699473448717b37 (diff) | |
| parent | bb271301b80410592cbe0170b9f6d2f677f68171 (diff) | |
| download | linux-7e5d4236d5462e2fef75fad6101fccee47051c4a.tar.xz | |
Merge tag 'i2c-host-6.9-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
Théo adds support for the Mobileye EyeQ5-I2C in the bindings.
This patch is followed by eight commits featuring improvements to
the Nomadik controller, such as simplification of the IRQ logic,
renaming of the private data structure, more efficient use of
FIELD_PREP/GET, GENMASK, etc., better time measurement with
ktime, and more.
Diffstat (limited to 'Documentation/devicetree/bindings/i2c')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml | 49 |
1 files changed, 43 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml index 16024415a4a7..44c54b162bb1 100644 --- a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml @@ -14,9 +14,6 @@ description: The Nomadik I2C host controller began its life in the ST maintainers: - Linus Walleij <linus.walleij@linaro.org> -allOf: - - $ref: /schemas/i2c/i2c-controller.yaml# - # Need a custom select here or 'arm,primecell' will match on lots of nodes select: properties: @@ -24,21 +21,23 @@ select: contains: enum: - st,nomadik-i2c + - mobileye,eyeq5-i2c required: - compatible properties: compatible: oneOf: - # The variant found in STn8815 - items: - const: st,nomadik-i2c - const: arm,primecell - # The variant found in DB8500 - items: - const: stericsson,db8500-i2c - const: st,nomadik-i2c - const: arm,primecell + - items: + - const: mobileye,eyeq5-i2c + - const: arm,primecell reg: maxItems: 1 @@ -55,7 +54,7 @@ properties: - items: - const: mclk - const: apb_pclk - # Clock name in DB8500 + # Clock name in DB8500 or EyeQ5 - items: - const: i2cclk - const: apb_pclk @@ -70,6 +69,16 @@ properties: minimum: 1 maximum: 400000 + mobileye,olb: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: Phandle to OLB system controller node. + - description: Platform-wide controller ID (integer starting from zero). + description: + The phandle pointing to OLB system controller node, with the I2C + controller index. + required: - compatible - reg @@ -79,6 +88,20 @@ required: unevaluatedProperties: false +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + - if: + properties: + compatible: + contains: + const: mobileye,eyeq5-i2c + then: + required: + - mobileye,olb + else: + properties: + mobileye,olb: false + examples: - | #include <dt-bindings/interrupt-controller/irq.h> @@ -111,5 +134,19 @@ examples: clocks = <&i2c0clk>, <&pclki2c0>; clock-names = "mclk", "apb_pclk"; }; + - | + #include <dt-bindings/interrupt-controller/mips-gic.h> + i2c@300000 { + compatible = "mobileye,eyeq5-i2c", "arm,primecell"; + reg = <0x300000 0x1000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SHARED 1 IRQ_TYPE_LEVEL_HIGH>; + clock-frequency = <400000>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&i2c_ser_clk>, <&i2c_clk>; + clock-names = "i2cclk", "apb_pclk"; + mobileye,olb = <&olb 0>; + }; ... |