bindings/i2c/atmel%2Cat91sam-i2c.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/i2c/atmel,at91sam-i2c.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: I2C for Atmel/Microchip platforms
11   - Alexandre Belloni <alexandre.belloni@bootlin.com>
14   compatible:
16       - items:
17           - enum:
18               - atmel,at91rm9200-i2c
19               - atmel,at91sam9261-i2c
20               - atmel,at91sam9260-i2c
21               - atmel,at91sam9g20-i2c
22               - atmel,at91sam9g10-i2c
23               - atmel,at91sam9x5-i2c
24               - atmel,sama5d4-i2c
25               - atmel,sama5d2-i2c
26               - microchip,sam9x60-i2c
27       - items:
28           - enum:
29               - microchip,sama7d65-i2c
30               - microchip,sama7g5-i2c
31               - microchip,sam9x7-i2c
32           - const: microchip,sam9x60-i2c
43   clock-frequency:
48       - description: TX DMA Channel Specifier
49       - description: RX DMA Channel Specifier
51   dma-names:
53       - const: tx
54       - const: rx
56   atmel,fifo-size:
60       FIFO capable I2C controllers.
62   scl-gpios: true
64   sda-gpios: true
67   - compatible
68   - reg
69   - interrupts
70   - clocks
73   - $ref: /schemas/i2c/i2c-controller.yaml#
74   - if:
76         compatible:
79               - atmel,sama5d4-i2c
80               - atmel,sama5d2-i2c
81               - microchip,sam9x60-i2c
82               - microchip,sama7d65-i2c
83               - microchip,sama7g5-i2c
86         i2c-sda-hold-time-ns:
94   - |
95     #include <dt-bindings/interrupt-controller/irq.h>
96     #include <dt-bindings/dma/at91.h>
97     #include <dt-bindings/gpio/gpio.h>
99     i2c0: i2c@fff84000 {
100         compatible = "atmel,at91sam9g20-i2c";
103         #address-cells = <1>;
104         #size-cells = <0>;
106         clock-frequency = <400000>;
109             compatible = "atmel,24c512";
115     i2c1: i2c@f8034600 {
116         compatible = "atmel,sama5d2-i2c";
125         dma-names = "tx", "rx";
126         #address-cells = <1>;
127         #size-cells = <0>;
129         atmel,fifo-size = <16>;
130         i2c-sda-hold-time-ns = <336>;
131         pinctrl-names = "default", "gpio";
132         pinctrl-0 = <&pinctrl_i2c0>;
133         pinctrl-1 = <&pinctrl_i2c0_gpio>;
134         sda-gpios = <&pioA 30 GPIO_ACTIVE_HIGH>;
135         scl-gpios = <&pioA 31 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
138             compatible = "atmel,24c02";