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| author | Biwen Li <biwen.li@nxp.com> | 2020-05-01 20:04:19 +0800 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2020-05-04 09:12:36 +0530 |
| commit | 8e4be6dfb755bda97bea4d4b211c4aaabe08b730 (patch) | |
| tree | 336a073962174db68cd041f77255f23625eebdf1 /board/freescale | |
| parent | 30ea84768b678c64fbd890b952b719bf3b8d9dc0 (diff) | |
| download | u-boot-8e4be6dfb755bda97bea4d4b211c4aaabe08b730.tar.gz u-boot-8e4be6dfb755bda97bea4d4b211c4aaabe08b730.tar.xz u-boot-8e4be6dfb755bda97bea4d4b211c4aaabe08b730.zip | |
dm: powerpc: T2080/T2081: add i2c DM support
This supports i2c DM for SoC T2080/T2081
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'board/freescale')
| -rw-r--r-- | board/freescale/t208xqds/t208xqds.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/board/freescale/t208xqds/t208xqds.c b/board/freescale/t208xqds/t208xqds.c index 79cc1543f9..9100401022 100644 --- a/board/freescale/t208xqds/t208xqds.c +++ b/board/freescale/t208xqds/t208xqds.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2009-2013 Freescale Semiconductor, Inc. + * Copyright 2020 NXP */ #include <common.h> @@ -75,11 +76,23 @@ int checkboard(void) return 0; } -int select_i2c_ch_pca9547(u8 ch) +int select_i2c_ch_pca9547(u8 ch, int bus_num) { int ret; +#ifdef CONFIG_DM_I2C + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_PCA_ADDR_PRI, 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return ret; + } + ret = dm_i2c_write(dev, 0, &ch, 1); +#else ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); +#endif if (ret) { puts("PCA: failed to select proper channel\n"); return ret; @@ -90,7 +103,7 @@ int select_i2c_ch_pca9547(u8 ch) int i2c_multiplexer_select_vid_channel(u8 channel) { - return select_i2c_ch_pca9547(channel); + return select_i2c_ch_pca9547(channel, 0); } int brd_mux_lane_to_slot(void) @@ -368,7 +381,7 @@ int board_early_init_r(void) printf("Warning: Adjusting core voltage failed.\n"); brd_mux_lane_to_slot(); - select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0); return 0; } |