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| author | kewei xu <kewei.xu@mediatek.com> | 2021-03-01 11:04:20 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2021-05-10 01:57:31 +0000 |
| commit | 978fa765ca93d02eb9f1f1aacb65a1783fa86fb0 (patch) | |
| tree | 29895b030d11c54438f5891fb1e197d980ad20bd /src/soc/mediatek/mt8195/include/soc | |
| parent | 159d09779795a125f7bd56c7d5cc79e5db0ad9e3 (diff) | |
| download | coreboot-978fa765ca93d02eb9f1f1aacb65a1783fa86fb0.tar.gz coreboot-978fa765ca93d02eb9f1f1aacb65a1783fa86fb0.tar.bz2 coreboot-978fa765ca93d02eb9f1f1aacb65a1783fa86fb0.zip | |
soc/mediatek/mt8195: Add i2c driver support
TEST=write/read EEPROM on MT8195 EVB successfully
Change-Id: Ia26e55512501e9758d7f5543d176730cf30ce03d
Signed-off-by: kewei xu <kewei.xu@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/53894
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/mediatek/mt8195/include/soc')
| -rw-r--r-- | src/soc/mediatek/mt8195/include/soc/i2c.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8195/include/soc/i2c.h b/src/soc/mediatek/mt8195/include/soc/i2c.h new file mode 100644 index 000000000000..977106e482a2 --- /dev/null +++ b/src/soc/mediatek/mt8195/include/soc/i2c.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOC_MEDIATEK_MT8195_I2C_H +#define SOC_MEDIATEK_MT8195_I2C_H + +#include <soc/i2c_common.h> + +/* I2C Register */ +struct mt_i2c_regs { + uint32_t data_port; + uint32_t slave_addr; + uint32_t intr_mask; + uint32_t intr_stat; + uint32_t control; + uint32_t transfer_len; + uint32_t transac_len; + uint32_t delay_len; + uint32_t timing; + uint32_t start; + uint32_t ext_conf; + uint32_t ltiming; + uint32_t hs; + uint32_t io_config; + uint32_t fifo_addr_clr; + uint32_t reserved0[2]; + uint32_t transfer_aux_len; + uint32_t clock_div; + uint32_t time_out; + uint32_t softreset; + uint32_t reserved1[36]; + uint32_t debug_stat; + uint32_t debug_ctrl; + uint32_t reserved2[2]; + uint32_t fifo_stat; + uint32_t fifo_thresh; + uint32_t reserved3[932]; + uint32_t multi_dma; + uint32_t reserved4[2]; + uint32_t rollback; +}; + +/* I2C ID Number*/ +enum { + I2C0, + I2C1, + I2C2, + I2C3, + I2C4, + I2C5, + I2C6, + I2C7, +}; + +check_member(mt_i2c_regs, multi_dma, 0xf8c); + +void mtk_i2c_bus_init(uint8_t bus); + +#endif /* SOC_MEDIATEK_MT8195_I2C_H */ |