From: Biwen Li biwen.li@nxp.com
This supports i2c DM for SoC T1040/T1042
Signed-off-by: Biwen Li biwen.li@nxp.com --- arch/powerpc/dts/t104x.dtsi | 4 +++- board/freescale/t1040qds/diu.c | 5 +++-- board/freescale/t1040qds/t1040qds.c | 18 ++++++++++++++++-- board/freescale/t1040qds/t1040qds.h | 3 ++- include/configs/T1040QDS.h | 7 +++++++ include/configs/T104xRDB.h | 10 +++++++++- 6 files changed, 40 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/dts/t104x.dtsi b/arch/powerpc/dts/t104x.dtsi index 093aaab834..0a08a69f31 100644 --- a/arch/powerpc/dts/t104x.dtsi +++ b/arch/powerpc/dts/t104x.dtsi @@ -3,7 +3,7 @@ * T104X Silicon/SoC Device Tree Source (pre include) * * Copyright 2013 Freescale Semiconductor Inc. - * Copyright 2019 NXP + * Copyright 2019-2020 NXP */
/dts-v1/; @@ -85,6 +85,8 @@ reg = <0x114000 0x1000>; clock-frequency = <0>; }; + /include/ "qoriq-i2c-0.dtsi" + /include/ "qoriq-i2c-1.dtsi" };
pcie@ffe240000 { 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..90c5d15ab2 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 diff --git a/include/configs/T1040QDS.h b/include/configs/T1040QDS.h index aa2a8b00de..f7e6376587 100644 --- a/include/configs/T1040QDS.h +++ b/include/configs/T1040QDS.h @@ -1,5 +1,6 @@ /* * Copyright 2013-2014 Freescale Semiconductor, Inc. + * Copyright 2020 NXP * * See file CREDITS for list of people who contributed to this * project. @@ -360,6 +361,8 @@ unsigned long get_board_ddr_clk(void); #endif
/* I2C */ + +#ifndef CONFIG_DM_I2C #define CONFIG_SYS_I2C #define CONFIG_SYS_I2C_FSL /* Use FSL common I2C driver */ #define CONFIG_SYS_FSL_I2C_SPEED 50000 /* I2C speed in Hz */ @@ -374,6 +377,9 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_FSL_I2C2_OFFSET 0x118100 #define CONFIG_SYS_FSL_I2C3_OFFSET 0x119000 #define CONFIG_SYS_FSL_I2C4_OFFSET 0x119100 +#endif + +#define CONFIG_SYS_I2C_FSL /* Use FSL common I2C driver */
#define I2C_MUX_PCA_ADDR 0x77 #define I2C_MUX_PCA_ADDR_PRI 0x77 /* Primary Mux*/ @@ -385,6 +391,7 @@ unsigned long get_board_ddr_clk(void); /* LDI/DVI Encoder for display */ #define CONFIG_SYS_I2C_LDI_ADDR 0x38 #define CONFIG_SYS_I2C_DVI_ADDR 0x75 +#define CONFIG_SYS_I2C_DVI_BUS_NUM 0
/* * RTC configuration diff --git a/include/configs/T104xRDB.h b/include/configs/T104xRDB.h index 50b37acf05..1c8fc6c3dd 100644 --- a/include/configs/T104xRDB.h +++ b/include/configs/T104xRDB.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2020 NXP */
#ifndef __CONFIG_H @@ -27,6 +28,7 @@ #define CONFIG_SPL_SKIP_RELOCATE #define CONFIG_SPL_COMMON_INIT_DDR #define CONFIG_SYS_CCSR_DO_NOT_RELOCATE +#undef CONFIG_DM_I2C #endif #define RESET_VECTOR_OFFSET 0x27FFC #define BOOT_PAGE_OFFSET 0x27000 @@ -459,8 +461,8 @@ $(SRCTREE)/board/freescale/t104xrdb/t1042d4_sd_rcw.cfg #endif
/* I2C */ +#ifndef CONFIG_DM_I2C #define CONFIG_SYS_I2C -#define CONFIG_SYS_I2C_FSL /* Use FSL common I2C driver */ #define CONFIG_SYS_FSL_I2C_SPEED 400000 /* I2C speed in Hz */ #define CONFIG_SYS_FSL_I2C2_SPEED 400000 #define CONFIG_SYS_FSL_I2C3_SPEED 400000 @@ -473,7 +475,12 @@ $(SRCTREE)/board/freescale/t104xrdb/t1042d4_sd_rcw.cfg #define CONFIG_SYS_FSL_I2C2_OFFSET 0x118100 #define CONFIG_SYS_FSL_I2C3_OFFSET 0x119000 #define CONFIG_SYS_FSL_I2C4_OFFSET 0x119100 +#else +#define CONFIG_I2C_SET_DEFAULT_BUS_NUM +#define CONFIG_I2C_DEFAULT_BUS_NUMBER 0 +#endif
+#define CONFIG_SYS_I2C_FSL /* Use FSL common I2C driver */ /* I2C bus multiplexer */ #define I2C_MUX_PCA_ADDR 0x70 #define I2C_MUX_CH_DEFAULT 0x8 @@ -484,6 +491,7 @@ $(SRCTREE)/board/freescale/t104xrdb/t1042d4_sd_rcw.cfg /* LDI/DVI Encoder for display */ #define CONFIG_SYS_I2C_LDI_ADDR 0x38 #define CONFIG_SYS_I2C_DVI_ADDR 0x75 +#define CONFIG_SYS_I2C_DVI_BUS_NUM 0
/* * RTC configuration