diff options
Diffstat (limited to 'plat/mediatek/mt8195/drivers/gpio/mtgpio.c')
| -rw-r--r-- | plat/mediatek/mt8195/drivers/gpio/mtgpio.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/plat/mediatek/mt8195/drivers/gpio/mtgpio.c b/plat/mediatek/mt8195/drivers/gpio/mtgpio.c new file mode 100644 index 0000000..daab84c --- /dev/null +++ b/plat/mediatek/mt8195/drivers/gpio/mtgpio.c @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2020, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <mtgpio.h> +#include <platform_def.h> + +uintptr_t mt_gpio_find_reg_addr(uint32_t pin) +{ + uintptr_t reg_addr = 0U; + struct mt_pin_info gpio_info; + + assert(pin < MAX_GPIO_PIN); + + gpio_info = mt_pin_infos[pin]; + + switch (gpio_info.base & 0x0f) { + case 0: + reg_addr = IOCFG_BM_BASE; + break; + case 1: + reg_addr = IOCFG_BL_BASE; + break; + case 2: + reg_addr = IOCFG_BR_BASE; + break; + case 3: + reg_addr = IOCFG_LM_BASE; + break; + case 4: + reg_addr = IOCFG_RB_BASE; + break; + case 5: + reg_addr = IOCFG_TL_BASE; + break; + default: + break; + } + + return reg_addr; +} |