| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/metadata.h> |
| #include <ddk/metadata/gpio.h> |
| #include <ddk/platform-defs.h> |
| #include <ddk/protocol/platform/bus.h> |
| #include <soc/mt8167/mt8167-gpio.h> |
| #include <soc/mt8167/mt8167-hw.h> |
| |
| #include "mt8167.h" |
| |
| namespace board_mt8167 { |
| |
| zx_status_t Mt8167::GpioInit() { |
| |
| const pbus_mmio_t gpio_mmios[] = { |
| { |
| .base = MT8167_GPIO_BASE, |
| .length = MT8167_GPIO_SIZE, |
| }, |
| { |
| .base = MT8167_IOCFG_BASE, |
| .length = MT8167_IOCFG_SIZE, |
| }, |
| { |
| .base = MT8167_EINT_BASE, |
| .length = MT8167_EINT_SIZE, |
| }, |
| }; |
| |
| const pbus_irq_t gpio_irqs[] = { |
| { |
| .irq = MT8167_IRQ_ARM_EINT, |
| .mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| }, |
| }; |
| |
| const gpio_pin_t cleo_gpio_pins[] = { |
| // For backlight driver |
| { MT8167_CLEO_GPIO_LCM_EN }, |
| // For display driver |
| { MT8167_GPIO_LCD_RST }, |
| // For touch screen driver |
| { MT8167_GPIO_TOUCH_INT }, |
| { MT8167_GPIO_TOUCH_RST }, |
| // For mt8167s audio out |
| { MT8167_GPIO107_MSDC1_DAT1 }, |
| { MT8167_GPIO108_MSDC1_DAT2 }, |
| // For audio in |
| { MT8167_GPIO24_EINT24 }, |
| }; |
| |
| const pbus_metadata_t cleo_gpio_metadata[] = { |
| { |
| .type = DEVICE_METADATA_GPIO_PINS, |
| .data_buffer = &cleo_gpio_pins, |
| .data_size = sizeof(cleo_gpio_pins), |
| } |
| }; |
| |
| pbus_dev_t gpio_dev = {}; |
| gpio_dev.name = "gpio"; |
| gpio_dev.vid = PDEV_VID_MEDIATEK; |
| gpio_dev.did = PDEV_DID_MEDIATEK_GPIO; |
| gpio_dev.mmio_list = gpio_mmios; |
| gpio_dev.mmio_count = countof(gpio_mmios); |
| gpio_dev.irq_list = gpio_irqs; |
| gpio_dev.irq_count = countof(gpio_irqs); |
| gpio_dev.metadata_list = cleo_gpio_metadata; |
| gpio_dev.metadata_count = countof(cleo_gpio_metadata); |
| |
| if ((board_info_.vid == PDEV_VID_MEDIATEK && board_info_.pid == PDEV_PID_MEDIATEK_8167S_REF) || |
| (board_info_.vid == PDEV_VID_GOOGLE && board_info_.pid == PDEV_PID_CLEO)) { |
| zx_status_t status = pbus_.ProtocolDeviceAdd(ZX_PROTOCOL_GPIO_IMPL, &gpio_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: ProtocolDeviceAdd failed %d\n", __FUNCTION__, status); |
| return status; |
| } |
| |
| status = device_get_protocol(parent(), ZX_PROTOCOL_GPIO_IMPL, &gpio_impl_); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: device_get_protocol failed %d\n", __func__, status); |
| return status; |
| } |
| } else { |
| return ZX_ERR_NOT_SUPPORTED; |
| } |
| |
| |
| //#define GPIO_TEST |
| #ifdef GPIO_TEST |
| const pbus_gpio_t gpio_test_gpios[] = { |
| { |
| .gpio = 60, // SDA2, to test gpio_write() |
| }, |
| { |
| .gpio = 40, // EINT KPROW0 (key matrix) to test gpio_get_interrupt() |
| }, |
| }; |
| |
| pbus_dev_t gpio_test_dev = {}; |
| gpio_test_dev.name = "imx8mevk-gpio-test"; |
| gpio_test_dev.vid = PDEV_VID_GENERIC; |
| gpio_test_dev.pid = PDEV_PID_GENERIC; |
| gpio_test_dev.did = PDEV_DID_GPIO_TEST; |
| gpio_test_dev.gpio_list = gpio_test_gpios; |
| gpio_test_dev.gpio_count = countof(gpio_test_gpios); |
| if ((status = pbus_.DeviceAdd(&gpio_test_dev)) != ZX_OK) { |
| zxlogf(ERROR, "%s: Could not add gpio_test_dev %d\n", __FUNCTION__, status); |
| return status; |
| } |
| #endif |
| |
| return ZX_OK; |
| } |
| |
| } // namespace board_mt8167 |