diff options
| author | Biwen Li <biwen.li@nxp.com> | 2020-05-01 15:04:21 +0300 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2020-05-04 06:42:36 +0300 |
| commit | d2e3f7c608b86fbbc027e46acb431abfba304333 (patch) | |
| tree | d45a3d71f752a1ceec29b3dd22b90f9f999d8238 /board | |
| parent | 613e66eb80c2cb0f9c1db408ecd4c08e8fae5790 (diff) | |
| download | u-boot-d2e3f7c608b86fbbc027e46acb431abfba304333.tar.xz | |
dm: powerpc: T1040/T1042: add i2c DM support
This supports i2c DM for SoC T1040/T1042
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/t1040qds/diu.c | 5 | ||||
| -rw-r--r-- | board/freescale/t1040qds/t1040qds.c | 18 | ||||
| -rw-r--r-- | board/freescale/t1040qds/t1040qds.h | 3 |
3 files changed, 21 insertions, 5 deletions
diff --git a/board/freescale/t1040qds/diu.c b/board/freescale/t1040qds/diu.c index ab9e922a92..0b1aeed69e 100644 --- a/board/freescale/t1040qds/diu.c +++ b/board/freescale/t1040qds/diu.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2020 NXP * Author: Priyanka Jain <Priyanka.Jain@freescale.com> */ @@ -48,7 +49,7 @@ void diu_set_pixel_clock(unsigned int pixclock) /* Program HDMI encoder */ /* Switch channel to DIU */ - select_i2c_ch_pca9547(I2C_MUX_CH_DIU); + select_i2c_ch_pca9547(I2C_MUX_CH_DIU, 0); /* Set dispaly encoder */ ret = diu_set_dvi_encoder(temp); @@ -58,7 +59,7 @@ void diu_set_pixel_clock(unsigned int pixclock) } /* Switch channel to default */ - select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0); /* Program pixel clock */ out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR, diff --git a/board/freescale/t1040qds/t1040qds.c b/board/freescale/t1040qds/t1040qds.c index 92dd9237ec..9e253fdec2 100644 --- a/board/freescale/t1040qds/t1040qds.c +++ b/board/freescale/t1040qds/t1040qds.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2013 Freescale Semiconductor, Inc. + * Copyright 2020 NXP */ #include <common.h> @@ -79,11 +80,24 @@ 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; @@ -154,7 +168,7 @@ int board_early_init_r(void) MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel, BOOKE_PAGESZ_256M, 1); #endif - select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0); return 0; } diff --git a/board/freescale/t1040qds/t1040qds.h b/board/freescale/t1040qds/t1040qds.h index d2f0203f17..781bcdefc9 100644 --- a/board/freescale/t1040qds/t1040qds.h +++ b/board/freescale/t1040qds/t1040qds.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2013 Freescale Semiconductor, Inc. + * Copyright 2020 NXP */ #ifndef __T1040_QDS_H__ @@ -8,6 +9,6 @@ void fdt_fixup_board_enet(void *blob); void pci_of_setup(void *blob, bd_t *bd); -int select_i2c_ch_pca9547(u8 ch); +int select_i2c_ch_pca9547(u8 ch, int bus_bum); #endif |