diff options
Diffstat (limited to 'src/soc/mediatek/mt8188/gpio.c')
| -rw-r--r-- | src/soc/mediatek/mt8188/gpio.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8188/gpio.c b/src/soc/mediatek/mt8188/gpio.c new file mode 100644 index 0000000000..4c4ee31edc --- /dev/null +++ b/src/soc/mediatek/mt8188/gpio.c @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on MT8188 Functional Specification + * Chapter number: 5.2 + */ + +#include <device/mmio.h> +#include <gpio.h> + +void *gpio_find_reg_addr(gpio_t gpio) +{ + void *reg_addr; + switch (gpio.base & 0x0f) { + case 1: + reg_addr = (void *)IOCFG_RM_BASE; + break; + case 2: + reg_addr = (void *)IOCFG_LT_BASE; + break; + case 3: + reg_addr = (void *)IOCFG_LM_BASE; + break; + case 4: + reg_addr = (void *)IOCFG_RT_BASE; + break; + default: + reg_addr = NULL; + break; + } + + return reg_addr; +} |