[PATCH 20/27] dm: ppc: MPC8548CDS: add i2c DM support

[Biwen Li]

> >
> >From: Biwen Li <biwen.li at nxp.com>
> >
> >This supports i2c DM for board MPC8548CDS
> >
> >Signed-off-by: Biwen Li <biwen.li at nxp.com>
> >---
> > board/freescale/common/sys_eeprom.c | 3 ++-
> > include/configs/MPC8548CDS.h        | 9 ++++++++-
> > 2 files changed, 10 insertions(+), 2 deletions(-)
> >
> >diff --git a/board/freescale/common/sys_eeprom.c
> >b/board/freescale/common/sys_eeprom.c
> >index 6f151b0f71..c52af7060e 100644
> >--- a/board/freescale/common/sys_eeprom.c
> >+++ b/board/freescale/common/sys_eeprom.c
> >@@ -589,6 +589,7 @@ unsigned int get_cpu_board_revision(void)
> > 		u8 major;         /* 0x04        Board revision, major */
> > 		u8 minor;         /* 0x05        Board revision, minor */
> > 	} be;
> >+	int ret;
> >
> > #ifndef CONFIG_DM_I2C
> > 	i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
> >CONFIG_SYS_I2C_EEPROM_ADDR_LEN, @@ -603,7 +604,7 @@ unsigned int
> >get_cpu_board_revision(void)  #else
> > 	ret = i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_EEPROM_ADDR,
> > 				      CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
> >-				      &dev)
> >+				      &dev);
> Was this compilation error exist before this patch series as well?
Yes, it is.
> 
> > #endif
> > 	if (!ret)
> > 		dm_i2c_read(dev, 0, (void *)&be, sizeof(be)); diff --git
> >a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h index
> >a68d190f6a..d185926cab 100644
> >--- a/include/configs/MPC8548CDS.h
> >+++ b/include/configs/MPC8548CDS.h
> >@@ -1,6 +1,7 @@
> > /* SPDX-License-Identifier: GPL-2.0+ */
> > /*
> >  * Copyright 2004, 2007, 2010-2011 Freescale Semiconductor.
> >+ * Copyright 2020 NXP
> >  */
> >
> > /*
> >@@ -304,12 +305,18 @@ extern unsigned long get_clock_freq(void);
> > /*
> >  * I2C
> >  */
> >+#ifndef CONFIG_DM_I2C
> > #define CONFIG_SYS_I2C
> >+#define CONFIG_SYS_I2C_NOPROBES		{ {0, 0x69} }
> >+#else
> >+#define CONFIG_SYS_SPD_BUS_NUM 0
> >+#define CONFIG_I2C_SET_DEFAULT_BUS_NUM
> >+#define CONFIG_I2C_DEFAULT_BUS_NUMBER	0
> >+#endif
> > #define CONFIG_SYS_I2C_FSL
> > #define CONFIG_SYS_FSL_I2C_SPEED	400000
> In other similar patches, you were adding this kind of defines under #ifndef
> CONFIG_DM_I2C Why it is different for this patch?
> 
> Priyanka
> > #define CONFIG_SYS_FSL_I2C_SLAVE	0x7F
> > #define CONFIG_SYS_FSL_I2C_OFFSET	0x3000
> >-#define CONFIG_SYS_I2C_NOPROBES		{ {0, 0x69} }
> >
> > /* EEPROM */
> > #define CONFIG_ID_EEPROM
> >--
> >2.17.1