| // Copyright 2020 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/aml-a311d/a311d-gpio.h> |
| #include <soc/aml-a311d/a311d-hw.h> |
| |
| #include "vim3-gpios.h" |
| #include "vim3.h" |
| |
| namespace vim3 { |
| |
| static const pbus_mmio_t gpio_mmios[] = { |
| { |
| .base = A311D_GPIO_BASE, |
| .length = A311D_GPIO_LENGTH, |
| }, |
| { |
| .base = A311D_GPIO_AO_BASE, |
| .length = A311D_GPIO_AO_LENGTH, |
| }, |
| { |
| .base = A311D_GPIO_INTERRUPT_BASE, |
| .length = A311D_GPIO_INTERRUPT_LENGTH, |
| }, |
| }; |
| |
| static const pbus_irq_t gpio_irqs[] = { |
| { |
| .irq = A311D_GPIO_IRQ_0, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }, |
| { |
| .irq = A311D_GPIO_IRQ_1, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }, |
| { |
| .irq = A311D_GPIO_IRQ_2, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }, |
| { |
| .irq = A311D_GPIO_IRQ_3, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }, |
| { |
| .irq = A311D_GPIO_IRQ_4, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }, |
| { |
| .irq = A311D_GPIO_IRQ_5, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }, |
| { |
| .irq = A311D_GPIO_IRQ_6, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }, |
| { |
| .irq = A311D_GPIO_IRQ_7, |
| .mode = ZX_INTERRUPT_MODE_DEFAULT, |
| }, |
| }; |
| |
| // GPIOs to expose from generic GPIO driver. |
| static const gpio_pin_t gpio_pins[] = { |
| {VIM3_J4_PIN_39}, |
| {VIM3_ETH_MAC_INTR}, |
| }; |
| |
| static const pbus_metadata_t gpio_metadata[] = { |
| { |
| .type = DEVICE_METADATA_GPIO_PINS, |
| .data_buffer = &gpio_pins, |
| .data_size = sizeof(gpio_pins), |
| }, |
| }; |
| |
| static pbus_dev_t gpio_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "gpio"; |
| dev.vid = PDEV_VID_AMLOGIC; |
| dev.pid = PDEV_PID_AMLOGIC_A311D; |
| dev.did = PDEV_DID_AMLOGIC_GPIO; |
| dev.mmio_list = gpio_mmios; |
| dev.mmio_count = countof(gpio_mmios); |
| dev.irq_list = gpio_irqs; |
| dev.irq_count = countof(gpio_irqs); |
| dev.metadata_list = gpio_metadata; |
| dev.metadata_count = countof(gpio_metadata); |
| return dev; |
| }(); |
| |
| zx_status_t Vim3::GpioInit() { |
| zx_status_t status = pbus_.ProtocolDeviceAdd(ZX_PROTOCOL_GPIO_IMPL, &gpio_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: ProtocolDeviceAdd failed %d", __func__, status); |
| return status; |
| } |
| |
| gpio_impl_ = ddk::GpioImplProtocolClient(parent()); |
| if (!gpio_impl_.is_valid()) { |
| zxlogf(ERROR, "%s: device_get_protocol failed %d", __func__, status); |
| return ZX_ERR_INTERNAL; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace vim3 |