1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings
10 - Rayn Chen <rayn_chen@aspeedtech.com>
13 - $ref: /schemas/i2c/i2c-controller.yaml#
18 - aspeed,ast2400-i2c-bus
19 - aspeed,ast2500-i2c-bus
20 - aspeed,ast2600-i2c-bus
26 - description: address offset and range of bus
27 - description: address offset and range of bus buffer
35 root clock of bus, should reference the APB
36 clock in the second cell
45 description: frequency of the bus clock in Hz defaults to 100 kHz when not
51 states that there is another master active on this bus
59 unevaluatedProperties: false
63 #include <dt-bindings/clock/aspeed-clock.h>
67 #interrupt-cells = <1>;
68 compatible = "aspeed,ast2500-i2c-bus";
70 clocks = <&syscon ASPEED_CLK_APB>;
71 resets = <&syscon ASPEED_RESET_I2C>;
72 bus-frequency = <100000>;
74 interrupt-parent = <&i2c_ic>;