bindings/i2c/i2c-exynos5.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-exynos5.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung's High Speed I2C controller
10   - Krzysztof Kozlowski <krzk@kernel.org>
13   The Samsung's High Speed I2C controller is used to interface with I2C devices
18   define USI node in device tree file, choosing "i2c" configuration. Please see
19   Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml for details.
24       - enum:
25           - samsung,exynos5250-hsi2c    # Exynos5250 and Exynos5420
26           - samsung,exynos5260-hsi2c    # Exynos5260
27           - samsung,exynos7-hsi2c       # Exynos7
28           - samsung,exynos8895-hsi2c
29           - samsung,exynosautov9-hsi2c
30       - items:
31           - enum:
32               - samsung,exynos5433-hsi2c
33               - samsung,exynos7870-hsi2c
34               - tesla,fsd-hsi2c
35           - const: samsung,exynos7-hsi2c
36       - items:
37           - enum:
38               - google,gs101-hsi2c
39               - samsung,exynos850-hsi2c
40           - const: samsung,exynosautov9-hsi2c
41       - const: samsung,exynos5-hsi2c    # Exynos5250 and Exynos5420
50   clock-frequency:
55       If not specified, the bus operates in fast-speed mode at 100kHz.
57       If specified, the bus operates in high-speed mode only if the
58       clock-frequency is >= 1MHz.
63       - description: I2C operating clock
64       - description: Bus clock (APB)
66   clock-names:
69       - const: hsi2c
70       - const: hsi2c_pclk
73   - compatible
74   - reg
75   - interrupts
76   - clocks
79   - $ref: /schemas/i2c/i2c-controller.yaml#
80   - if:
85               - samsung,exynosautov9-hsi2c
92         clock-names:
96         - clock-names
106   - |
107     #include <dt-bindings/clock/exynos5420.h>
108     #include <dt-bindings/interrupt-controller/arm-gic.h>
109     #include <dt-bindings/interrupt-controller/irq.h>
111     hsi2c_8: i2c@12e00000 {
112         compatible = "samsung,exynos5250-hsi2c";
115         #address-cells = <1>;
116         #size-cells = <0>;
117         clock-frequency = <100000>;
119         clock-names = "hsi2c";
122             /* compatible = "samsung,s2mps11-pmic"; */
127   - |
128     #include <dt-bindings/clock/exynos850.h>
129     #include <dt-bindings/interrupt-controller/arm-gic.h>
131     hsi2c_2: i2c@138c0000 {
132         compatible = "samsung,exynosautov9-hsi2c";
135         #address-cells = <1>;
136         #size-cells = <0>;
139         clock-names = "hsi2c", "hsi2c_pclk";
142             /* compatible = "samsung,s2mps11-pmic"; */