diff options
Diffstat (limited to 'dts/Bindings/i2c')
| -rw-r--r-- | dts/Bindings/i2c/allwinner,sun6i-a31-p2wi.yaml | 2 | ||||
| -rw-r--r-- | dts/Bindings/i2c/apple,i2c.yaml | 61 | ||||
| -rw-r--r-- | dts/Bindings/i2c/i2c-imx.yaml | 4 | ||||
| -rw-r--r-- | dts/Bindings/i2c/i2c-xlp9xx.txt | 22 | ||||
| -rw-r--r-- | dts/Bindings/i2c/ingenic,i2c.yaml | 2 | ||||
| -rw-r--r-- | dts/Bindings/i2c/st,stm32-i2c.yaml | 2 |
6 files changed, 67 insertions, 26 deletions
diff --git a/dts/Bindings/i2c/allwinner,sun6i-a31-p2wi.yaml b/dts/Bindings/i2c/allwinner,sun6i-a31-p2wi.yaml index 6097e8ac46..1b03810d4b 100644 --- a/dts/Bindings/i2c/allwinner,sun6i-a31-p2wi.yaml +++ b/dts/Bindings/i2c/allwinner,sun6i-a31-p2wi.yaml @@ -55,7 +55,7 @@ examples: #size-cells = <0>; axp221: pmic@68 { - compatible = "x-powers,axp221"; + /* compatible = "x-powers,axp221"; */ reg = <0x68>; }; }; diff --git a/dts/Bindings/i2c/apple,i2c.yaml b/dts/Bindings/i2c/apple,i2c.yaml new file mode 100644 index 0000000000..22fc848325 --- /dev/null +++ b/dts/Bindings/i2c/apple,i2c.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/i2c/apple,i2c.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Apple/PASemi I2C controller + +maintainers: + - Sven Peter <sven@svenpeter.dev> + +description: | + Apple SoCs such as the M1 come with a I2C controller based on the one found + in machines with P. A. Semi's PWRficient processors. + The bus is used to communicate with e.g. USB PD chips or the speaker + amp. + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + enum: + - apple,t8103-i2c + - apple,i2c + + reg: + maxItems: 1 + + clocks: + items: + - description: I2C bus reference clock + + interrupts: + maxItems: 1 + + clock-frequency: + description: | + Desired I2C bus clock frequency in Hz. If not specified, 100 kHz will be + used. This frequency is generated by dividing the reference clock. + Allowed values are between ref_clk/(16*4) and ref_clk/(16*255). + +required: + - compatible + - reg + - clocks + - interrupts + +unevaluatedProperties: false + +examples: + - | + i2c@35010000 { + compatible = "apple,t8103-i2c"; + reg = <0x35010000 0x4000>; + interrupt-parent = <&aic>; + interrupts = <0 627 4>; + clocks = <&ref_clk>; + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/dts/Bindings/i2c/i2c-imx.yaml b/dts/Bindings/i2c/i2c-imx.yaml index 3592d49235..c167958ae2 100644 --- a/dts/Bindings/i2c/i2c-imx.yaml +++ b/dts/Bindings/i2c/i2c-imx.yaml @@ -57,7 +57,9 @@ properties: const: ipg clock-frequency: - enum: [ 100000, 400000 ] + minimum: 1 + default: 100000 + maximum: 400000 dmas: items: diff --git a/dts/Bindings/i2c/i2c-xlp9xx.txt b/dts/Bindings/i2c/i2c-xlp9xx.txt deleted file mode 100644 index f818ef507a..0000000000 --- a/dts/Bindings/i2c/i2c-xlp9xx.txt +++ /dev/null @@ -1,22 +0,0 @@ -Device tree configuration for the I2C controller on the XLP9xx/5xx SoC - -Required properties: -- compatible : should be "netlogic,xlp980-i2c" -- reg : bus address start and address range size of device -- interrupts : interrupt number - -Optional properties: -- clock-frequency : frequency of bus clock in Hz - Defaults to 100 KHz when the property is not specified - -Example: - -i2c0: i2c@113100 { - compatible = "netlogic,xlp980-i2c"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0 0x113100 0x100>; - clock-frequency = <400000>; - interrupts = <30>; - interrupt-parent = <&pic>; -}; diff --git a/dts/Bindings/i2c/ingenic,i2c.yaml b/dts/Bindings/i2c/ingenic,i2c.yaml index e1e65eb4f7..febde6cc5f 100644 --- a/dts/Bindings/i2c/ingenic,i2c.yaml +++ b/dts/Bindings/i2c/ingenic,i2c.yaml @@ -60,7 +60,7 @@ unevaluatedProperties: false examples: - | - #include <dt-bindings/clock/jz4780-cgu.h> + #include <dt-bindings/clock/ingenic,jz4780-cgu.h> #include <dt-bindings/dma/jz4780-dma.h> #include <dt-bindings/interrupt-controller/irq.h> i2c@10054000 { diff --git a/dts/Bindings/i2c/st,stm32-i2c.yaml b/dts/Bindings/i2c/st,stm32-i2c.yaml index d747f4990a..c07289a643 100644 --- a/dts/Bindings/i2c/st,stm32-i2c.yaml +++ b/dts/Bindings/i2c/st,stm32-i2c.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: I2C controller embedded in STMicroelectronics STM32 I2C platform maintainers: - - Pierre-Yves MORDRET <pierre-yves.mordret@st.com> + - Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com> allOf: - $ref: /schemas/i2c/i2c-controller.yaml# |