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>

diff --git a/arch/powerpc/dts/t2080.dtsi b/arch/powerpc/dts/t2080.dtsi
index 458019a..a9e9b40 100644 (file)
--- 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 79cc154..9100401 100644 (file)
--- 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 96801e5..aed2e87 100644 (file)
--- 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 a90ea11..e0ef2b2 100644 (file)
--- 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 */