From: Biwen Li biwen.li@nxp.com
This supports i2c DM for SoC T2080/T2081
Signed-off-by: Biwen Li biwen.li@nxp.com --- arch/powerpc/dts/t2080.dtsi | 4 +++- board/freescale/t208xqds/t208xqds.c | 19 ++++++++++++++++--- include/configs/T208xQDS.h | 7 ++++++- include/configs/T208xRDB.h | 10 +++++++++- 4 files changed, 34 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/dts/t2080.dtsi b/arch/powerpc/dts/t2080.dtsi index 458019ae92..a9e9b404f6 100644 --- a/arch/powerpc/dts/t2080.dtsi +++ b/arch/powerpc/dts/t2080.dtsi @@ -3,7 +3,7 @@ * T2080/T2081 Silicon/SoC Device Tree Source (pre include) * * Copyright 2013 Freescale Semiconductor Inc. - * Copyright 2018 NXP + * Copyright 2018,2020 NXP */
/dts-v1/; @@ -96,6 +96,8 @@ sata-number = <2>; sata-fpdma = <0>; }; + /include/ "qoriq-i2c-0.dtsi" + /include/ "qoriq-i2c-1.dtsi" };
pcie@ffe240000 { 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; } diff --git a/include/configs/T208xQDS.h b/include/configs/T208xQDS.h index be5a658d7e..fb44ae9a4c 100644 --- a/include/configs/T208xQDS.h +++ b/include/configs/T208xQDS.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2011-2013 Freescale Semiconductor, Inc. + * Copyright 2020 NXP */
/* @@ -385,8 +386,8 @@ unsigned long get_board_ddr_clk(void); /* * I2C */ +#ifndef CONFIG_DM_I2C #define CONFIG_SYS_I2C -#define CONFIG_SYS_I2C_FSL #define CONFIG_SYS_FSL_I2C_SLAVE 0x7F #define CONFIG_SYS_FSL_I2C2_SLAVE 0x7F #define CONFIG_SYS_FSL_I2C3_SLAVE 0x7F @@ -399,6 +400,10 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_FSL_I2C2_SPEED 100000 #define CONFIG_SYS_FSL_I2C3_SPEED 100000 #define CONFIG_SYS_FSL_I2C4_SPEED 100000 +#endif + +#define CONFIG_SYS_I2C_FSL + #define I2C_MUX_PCA_ADDR_PRI 0x77 /* I2C bus multiplexer,primary */ #define I2C_MUX_PCA_ADDR_SEC1 0x75 /* I2C bus multiplexer,secondary 1 */ #define I2C_MUX_PCA_ADDR_SEC2 0x76 /* I2C bus multiplexer,secondary 2 */ diff --git a/include/configs/T208xRDB.h b/include/configs/T208xRDB.h index 68de90fbbb..71dd9e79c7 100644 --- a/include/configs/T208xRDB.h +++ b/include/configs/T208xRDB.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2020 NXP */
/* @@ -333,8 +334,8 @@ unsigned long get_board_ddr_clk(void); /* * I2C */ +#ifndef CONFIG_DM_I2C #define CONFIG_SYS_I2C -#define CONFIG_SYS_I2C_FSL #define CONFIG_SYS_FSL_I2C_SLAVE 0x7F #define CONFIG_SYS_FSL_I2C2_SLAVE 0x7F #define CONFIG_SYS_FSL_I2C3_SLAVE 0x7F @@ -347,6 +348,13 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_FSL_I2C2_SPEED 100000 #define CONFIG_SYS_FSL_I2C3_SPEED 100000 #define CONFIG_SYS_FSL_I2C4_SPEED 100000 +#else +#define CONFIG_I2C_SET_DEFAULT_BUS_NUM +#define CONFIG_I2C_DEFAULT_BUS_NUMBER 0 +#endif + +#define CONFIG_SYS_I2C_FSL + #define I2C_MUX_PCA_ADDR_PRI 0x77 /* I2C bus multiplexer,primary */ #define I2C_MUX_PCA_ADDR_SEC1 0x75 /* I2C bus multiplexer,secondary 1 */ #define I2C_MUX_PCA_ADDR_SEC2 0x76 /* I2C bus multiplexer,secondary 2 */