bindings/i2c/st%2Cstm32-i2c.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/st,stm32-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
13   - $ref: /schemas/i2c/i2c-controller.yaml#
14   - if:
19               - st,stm32f7-i2c
20               - st,stm32mp15-i2c
23         i2c-scl-rising-time-ns:
26         i2c-scl-falling-time-ns:
29         st,syscfg-fmp:
34           $ref: "/schemas/types.yaml#/definitions/phandle-array"
39   - if:
44               - st,stm32f4-i2c
47         clock-frequency:
53       - st,stm32f4-i2c
54       - st,stm32f7-i2c
55       - st,stm32mp15-i2c
57   reg:
62       - description: interrupt ID for I2C event
63       - description: interrupt ID for I2C error
73       - description: RX DMA Channel phandle
74       - description: TX DMA Channel phandle
76   dma-names:
78       - const: rx
79       - const: tx
81   clock-frequency:
91   - compatible
92   - reg
93   - interrupts
94   - resets
95   - clocks
100   - |
101     #include <dt-bindings/mfd/stm32f7-rcc.h>
102     #include <dt-bindings/clock/stm32fx-clock.h>
103     //Example 1 (with st,stm32f4-i2c compatible)
105           compatible = "st,stm32f4-i2c";
106           #address-cells = <1>;
107           #size-cells = <0>;
108           reg = <0x40005400 0x400>;
115     //Example 2 (with st,stm32f7-i2c compatible)
117           compatible = "st,stm32f7-i2c";
118           #address-cells = <1>;
119           #size-cells = <0>;
120           reg = <0x40005800 0x400>;
127     //Example 3 (with st,stm32mp15-i2c compatible on stm32mp)
128     #include <dt-bindings/interrupt-controller/arm-gic.h>
129     #include <dt-bindings/clock/stm32mp1-clks.h>
130     #include <dt-bindings/reset/stm32mp1-resets.h>
132           compatible = "st,stm32mp15-i2c";
133           #address-cells = <1>;
134           #size-cells = <0>;
135           reg = <0x40013000 0x400>;
140           i2c-scl-rising-time-ns = <185>;
141           i2c-scl-falling-time-ns = <20>;
142           st,syscfg-fmp = <&syscfg 0x4 0x2>;