diff options
author | Jamin Lin <jamin_lin@aspeedtech.com> | 2021-06-03 05:48:19 +0300 |
---|---|---|
committer | Rob Herring <robh@kernel.org> | 2021-06-11 00:49:27 +0300 |
commit | 810e4441946ca17542db334bbcb579e84177b299 (patch) | |
tree | 18dd388d362ea55fff36e51ab6685b8ed6c78bdc /Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml | |
parent | 000fe96707b4cbffadc884ca750c525f0839695e (diff) | |
download | linux-810e4441946ca17542db334bbcb579e84177b299.tar.xz |
dt-bindings: aspeed-i2c: Convert txt to yaml format
Convert aspeed i2c to yaml.
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Link: https://lore.kernel.org/r/20210603024839.27976-2-jamin_lin@aspeedtech.com
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml new file mode 100644 index 000000000000..9a40605c3433 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings + +maintainers: + - Rayn Chen <rayn_chen@aspeedtech.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + enum: + - aspeed,ast2400-i2c-bus + - aspeed,ast2500-i2c-bus + - aspeed,ast2600-i2c-bus + + reg: + minItems: 1 + maxItems: 2 + items: + - description: address offset and range of bus + - description: address offset and range of bus buffer + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + description: + root clock of bus, should reference the APB + clock in the second cell + + resets: + maxItems: 1 + + bus-frequency: + minimum: 500 + maximum: 4000000 + default: 100000 + description: frequency of the bus clock in Hz defaults to 100 kHz when not + specified + + multi-master: + type: boolean + description: + states that there is another master active on this bus + +required: + - reg + - compatible + - clocks + - resets + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/aspeed-clock.h> + i2c0: i2c-bus@40 { + #address-cells = <1>; + #size-cells = <0>; + #interrupt-cells = <1>; + compatible = "aspeed,ast2500-i2c-bus"; + reg = <0x40 0x40>; + clocks = <&syscon ASPEED_CLK_APB>; + resets = <&syscon ASPEED_RESET_I2C>; + bus-frequency = <100000>; + interrupts = <0>; + interrupt-parent = <&i2c_ic>; + }; |