| // Copyright 2019 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/metadata.h> |
| #include <ddk/metadata/gpio.h> |
| #include <ddk/platform-defs.h> |
| #include <soc/as370/as370-gpio.h> |
| |
| #include "as370.h" |
| |
| namespace board_as370 { |
| |
| zx_status_t As370::GpioInit() { |
| constexpr pbus_mmio_t gpio_mmios[] = { |
| {.base = as370::kPinmuxBase, .length = as370::kPinmuxSize}, |
| {.base = as370::kGpio1Base, .length = as370::kGpioSize}, |
| {.base = as370::kGpio2Base, .length = as370::kGpioSize}, |
| }; |
| |
| const gpio_pin_t gpio_pins[] = { |
| {17}, // AMP_EN. |
| {4}, // LED_RESET |
| }; |
| |
| const pbus_metadata_t gpio_metadata[] = {{ |
| .type = DEVICE_METADATA_GPIO_PINS, |
| .data_buffer = &gpio_pins, |
| .data_size = sizeof(gpio_pins), |
| }}; |
| |
| pbus_dev_t gpio_dev = {}; |
| gpio_dev.name = "gpio"; |
| gpio_dev.vid = PDEV_VID_SYNAPTICS; |
| gpio_dev.pid = PDEV_PID_SYNAPTICS_AS370; |
| gpio_dev.did = PDEV_DID_SYNAPTICS_GPIO; |
| gpio_dev.mmio_list = gpio_mmios; |
| gpio_dev.mmio_count = countof(gpio_mmios); |
| gpio_dev.metadata_list = gpio_metadata; |
| gpio_dev.metadata_count = countof(gpio_metadata); |
| |
| auto status = pbus_.ProtocolDeviceAdd(ZX_PROTOCOL_GPIO_IMPL, &gpio_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: ProtocolDeviceAdd failed: %d\n", __func__, status); |
| return status; |
| } |
| gpio_impl_ = ddk::GpioImplProtocolClient(parent()); |
| if (!gpio_impl_.is_valid()) { |
| zxlogf(ERROR, "%s: device_get_protocol failed\n", __func__); |
| return ZX_ERR_INTERNAL; |
| } |
| return ZX_OK; |
| } |
| |
| } // namespace board_as370 |