coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
i2c.h
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef AMD_STONEYRIDGE_I2C_H
4 #define AMD_STONEYRIDGE_I2C_H
5 
6 #include <types.h>
7 #include <soc/gpio.h>
8 
9 #define GPIO_I2C0_SCL BIT(0)
10 #define GPIO_I2C1_SCL BIT(1)
11 #define GPIO_I2C2_SCL BIT(2)
12 #define GPIO_I2C3_SCL BIT(3)
13 #define GPIO_I2C_MASK (BIT(0) | BIT(1) | BIT(2) | BIT(3))
14 
15 #define I2C0_SCL_PIN GPIO_145
16 #define I2C1_SCL_PIN GPIO_147
17 #define I2C2_SCL_PIN GPIO_113
18 #define I2C3_SCL_PIN GPIO_19
19 
20 #define I2C0_SCL_PIN_IOMUX_GPIOxx GPIO_145_IOMUX_GPIOxx
21 #define I2C1_SCL_PIN_IOMUX_GPIOxx GPIO_147_IOMUX_GPIOxx
22 #define I2C2_SCL_PIN_IOMUX_GPIOxx GPIO_113_IOMUX_GPIOxx
23 #define I2C3_SCL_PIN_IOMUX_GPIOxx GPIO_19_IOMUX_GPIOxx
24 
25 #endif /* AMD_STONEYRIDGE_I2C_H */