| // 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/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/metadata.h> |
| #include <ddk/metadata/i2c.h> |
| #include <ddk/platform-defs.h> |
| #include <ddk/protocol/platform/bus.h> |
| #include <ddk/protocol/platform/device.h> |
| #include <soc/mt8167/mt8167-gpio.h> |
| #include <soc/mt8167/mt8167-hw.h> |
| |
| #include "mt8167.h" |
| |
| namespace board_mt8167 { |
| |
| zx_status_t Mt8167::I2cInit() { |
| static const zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| static const zx_bind_inst_t sda0_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, MT8167_GPIO58_SDA0), |
| }; |
| static const zx_bind_inst_t scl0_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, MT8167_GPIO59_SCL0), |
| }; |
| static const zx_bind_inst_t sda1_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, MT8167_GPIO52_SDA1), |
| }; |
| static const zx_bind_inst_t scl1_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, MT8167_GPIO53_SCL1), |
| }; |
| static const zx_bind_inst_t sda2_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, MT8167_GPIO60_SDA2), |
| }; |
| static const zx_bind_inst_t scl2_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, MT8167_GPIO61_SCL2), |
| }; |
| static const device_fragment_part_t sda0_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(sda0_match), sda0_match}, |
| }; |
| static const device_fragment_part_t scl0_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(scl0_match), scl0_match}, |
| }; |
| static const device_fragment_part_t sda1_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(sda1_match), sda1_match}, |
| }; |
| static const device_fragment_part_t scl1_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(scl1_match), scl1_match}, |
| }; |
| static const device_fragment_part_t sda2_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(sda2_match), sda2_match}, |
| }; |
| static const device_fragment_part_t scl2_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(scl2_match), scl2_match}, |
| }; |
| static const device_fragment_t fragments[] = { |
| {countof(sda0_fragment), sda0_fragment}, {countof(scl0_fragment), scl0_fragment}, |
| {countof(sda1_fragment), sda1_fragment}, {countof(scl1_fragment), scl1_fragment}, |
| {countof(sda2_fragment), sda2_fragment}, {countof(scl2_fragment), scl2_fragment}, |
| }; |
| constexpr pbus_mmio_t i2c_mmios[] = { |
| { |
| .base = MT8167_I2C0_BASE, |
| .length = MT8167_I2C0_SIZE, |
| }, |
| { |
| .base = MT8167_I2C1_BASE, |
| .length = MT8167_I2C1_SIZE, |
| }, |
| { |
| .base = MT8167_I2C2_BASE, |
| .length = MT8167_I2C2_SIZE, |
| }, |
| // MMIO for clocks. |
| // TODO(andresoportus): Move this to a clock driver. |
| { |
| .base = MT8167_XO_BASE, |
| .length = MT8167_XO_SIZE, |
| }, |
| }; |
| |
| constexpr pbus_irq_t i2c_irqs[] = { |
| { |
| .irq = MT8167_IRQ_I2C0, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| { |
| .irq = MT8167_IRQ_I2C1, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| { |
| .irq = MT8167_IRQ_I2C2, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| constexpr i2c_channel_t mt8167s_i2c_channels[] = { |
| // For mt8167s_ref audio out |
| { |
| .bus_id = 2, |
| .address = 0x48, |
| .vid = 0, |
| .pid = 0, |
| .did = 0, |
| }, |
| // For audio in |
| { |
| .bus_id = 1, |
| .address = 0x1B, |
| .vid = 0, |
| .pid = 0, |
| .did = 0, |
| }, |
| }; |
| |
| constexpr i2c_channel_t cleo_i2c_channels[] = { |
| { |
| .bus_id = 0, |
| .address = 0x53, |
| .vid = PDEV_VID_GENERIC, |
| .pid = PDEV_PID_GENERIC, |
| .did = PDEV_DID_LITE_ON_ALS, |
| }, |
| { |
| .bus_id = 0, |
| .address = 0x18, |
| .vid = PDEV_VID_GENERIC, |
| .pid = PDEV_PID_GENERIC, |
| .did = PDEV_DID_BOSCH_BMA253, |
| }, |
| // For backlight driver |
| { |
| .bus_id = 2, |
| .address = 0x36, |
| .vid = 0, |
| .pid = 0, |
| .did = 0, |
| }, |
| // For touch screen driver |
| { |
| .bus_id = 0, |
| .address = 0x38, |
| .vid = 0, |
| .pid = 0, |
| .did = 0, |
| }, |
| // For cleo audio out |
| { |
| .bus_id = 2, |
| .address = 0x2C, |
| .vid = 0, |
| .pid = 0, |
| .did = 0, |
| }, |
| // For audio in |
| { |
| .bus_id = 1, |
| .address = 0x1B, |
| .vid = 0, |
| .pid = 0, |
| .did = 0, |
| }, |
| }; |
| |
| const pbus_metadata_t mt8167s_i2c_metadata[] = { |
| { |
| .type = DEVICE_METADATA_I2C_CHANNELS, |
| .data_buffer = &mt8167s_i2c_channels, |
| .data_size = sizeof(mt8167s_i2c_channels), |
| }, |
| }; |
| const pbus_metadata_t cleo_i2c_metadata[] = { |
| { |
| .type = DEVICE_METADATA_I2C_CHANNELS, |
| .data_buffer = &cleo_i2c_channels, |
| .data_size = sizeof(cleo_i2c_channels), |
| }, |
| }; |
| |
| pbus_dev_t i2c_dev = {}; |
| i2c_dev.name = "mt8167-i2c"; |
| i2c_dev.vid = PDEV_VID_MEDIATEK; |
| i2c_dev.did = PDEV_DID_MEDIATEK_I2C; |
| i2c_dev.mmio_list = i2c_mmios; |
| i2c_dev.mmio_count = countof(i2c_mmios); |
| i2c_dev.irq_list = i2c_irqs; |
| i2c_dev.irq_count = countof(i2c_irqs); |
| |
| if (board_info_.vid == PDEV_VID_GOOGLE && board_info_.pid == PDEV_PID_CLEO) { |
| i2c_dev.metadata_list = cleo_i2c_metadata; |
| i2c_dev.metadata_count = countof(cleo_i2c_metadata); |
| } else if (board_info_.vid == PDEV_VID_MEDIATEK && |
| board_info_.pid == PDEV_PID_MEDIATEK_8167S_REF) { |
| i2c_dev.metadata_list = mt8167s_i2c_metadata; |
| i2c_dev.metadata_count = countof(mt8167s_i2c_metadata); |
| } else { |
| return ZX_ERR_NOT_SUPPORTED; |
| } |
| |
| auto status = pbus_.CompositeDeviceAdd(&i2c_dev, fragments, countof(fragments), UINT32_MAX); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: CompositeDeviceAdd failed %d", __FUNCTION__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace board_mt8167 |
