| // 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 <fuchsia/hardware/platform/bus/c/banjo.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/platform-defs.h> |
| |
| #include <soc/msm8x53/msm8x53-gpio.h> |
| #include <soc/msm8x53/msm8x53-hw.h> |
| |
| #include "msm8x53.h" |
| |
| namespace board_msm8x53 { |
| |
| zx_status_t Msm8x53::GpioInit() { |
| const pbus_mmio_t gpio_mmios[] = { |
| { |
| .base = msm8x53::kGpioBase, |
| .length = msm8x53::kGpioSize, |
| }, |
| }; |
| |
| const pbus_irq_t gpio_irqs[] = { |
| { |
| .irq = msm8x53::kIrqCombined, |
| .mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| }, |
| }; |
| |
| pbus_dev_t gpio_dev = {}; |
| gpio_dev.name = "gpio"; |
| gpio_dev.vid = PDEV_VID_QUALCOMM; |
| gpio_dev.pid = PDEV_PID_QUALCOMM_MSM8X53; |
| gpio_dev.did = PDEV_DID_QUALCOMM_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); |
| |
| 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; |
| } |
| |
| // This test binds to system/dev/gpio/gpio-test to check that GPIOs work at all. |
| // gpio-test enables interrupts and write/read on the test GPIOs configured below. |
| //#define GPIO_TEST |
| #ifdef GPIO_TEST |
| const pbus_gpio_t gpio_test_gpios[] = { |
| { |
| .gpio = 0, // TODO(andresoportus) find a pin to test gpio_write(). |
| }, |
| { |
| .gpio = 85, // Key + to test gpio_get_interrupt(). |
| }, |
| }; |
| |
| pbus_dev_t gpio_test_dev = {}; |
| gpio_test_dev.name = "msm8x53-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", __func__, status); |
| return status; |
| } |
| #endif |
| |
| return ZX_OK; |
| } |
| |
| } // namespace board_msm8x53 |