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| author | Mark Brown <broonie@kernel.org> | 2026-05-29 18:09:38 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-05-29 18:09:38 +0100 |
| commit | 502c62729accdef793351badf4d8e94c91008891 (patch) | |
| tree | 2e6e1b36a8ccdb28bd83b29f2e70882c3bad58e5 /Documentation | |
| parent | 20f310809ee23d9d4b6e1ab35d4c163bdaac06be (diff) | |
| parent | fae5e96bb646e7a4f588973cd94f6b1947377d58 (diff) | |
| download | linux-next-history-502c62729accdef793351badf4d8e94c91008891.tar.gz | |
Merge branch 'i2c/i2c-host' of https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git
Diffstat (limited to 'Documentation')
3 files changed, 74 insertions, 43 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-davinci.txt b/Documentation/devicetree/bindings/i2c/i2c-davinci.txt deleted file mode 100644 index 6590501c53d4e..0000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-davinci.txt +++ /dev/null @@ -1,43 +0,0 @@ -* Texas Instruments Davinci/Keystone I2C - -This file provides information, what the device node for the -davinci/keystone i2c interface contains. - -Required properties: -- compatible: "ti,davinci-i2c" or "ti,keystone-i2c"; -- reg : Offset and length of the register set for the device -- clocks: I2C functional clock phandle. - For 66AK2G this property should be set per binding, - Documentation/devicetree/bindings/clock/ti,sci-clk.yaml - -SoC-specific Required Properties: - -The following are mandatory properties for Keystone 2 66AK2G SoCs only: - -- power-domains: Should contain a phandle to a PM domain provider node - and an args specifier containing the I2C device id - value. This property is as per the binding, - Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml - -Recommended properties : -- interrupts : standard interrupt property. -- clock-frequency : desired I2C bus clock frequency in Hz. -- ti,has-pfunc: boolean; if defined, it indicates that SoC supports PFUNC - registers. PFUNC registers allow to switch I2C pins to function as - GPIOs, so they can be toggled manually. - -Example (enbw_cmc board): - i2c@1c22000 { - compatible = "ti,davinci-i2c"; - reg = <0x22000 0x1000>; - clock-frequency = <100000>; - interrupts = <15>; - interrupt-parent = <&intc>; - #address-cells = <1>; - #size-cells = <0>; - - dtt@48 { - compatible = "national,lm75"; - reg = <0x48>; - }; - }; diff --git a/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml b/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml index 67882ec6e06af..ee09c6d9c5f0b 100644 --- a/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml @@ -16,6 +16,7 @@ properties: compatible: enum: - loongson,ls2k-i2c + - loongson,ls2k0300-i2c - loongson,ls7a-i2c reg: @@ -24,6 +25,9 @@ properties: interrupts: maxItems: 1 + clocks: + maxItems: 1 + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/i2c/ti,davinci-i2c.yaml b/Documentation/devicetree/bindings/i2c/ti,davinci-i2c.yaml new file mode 100644 index 0000000000000..b94ac06dce366 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/ti,davinci-i2c.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/ti,davinci-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments DaVinci/Keystone I2C + +maintainers: + - Chaitanya Sabnis <chaitanya.msabnis@gmail.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + - if: + properties: + compatible: + contains: + const: ti,keystone-i2c + then: + required: + - power-domains + +properties: + compatible: + enum: + - ti,davinci-i2c + - ti,keystone-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + ti,has-pfunc: + description: + Indicates that the SoC supports PFUNC registers, allowing I2C pins + to function as GPIOs for manual toggling. + type: boolean + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + i2c@1c22000 { + compatible = "ti,davinci-i2c"; + reg = <0x01c22000 0x1000>; + clocks = <&i2c_clk>; + clock-frequency = <100000>; + interrupts = <15>; + #address-cells = <1>; + #size-cells = <0>; + + sensor@48 { + compatible = "national,lm75"; + reg = <0x48>; + }; + }; |