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tqma6: Convert to PMIC and I2C driver model

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Currently, the power_init_board() function is not executed because
CONFIG_POWER_LEGACY is not selected.

Convert to PMIC driver model, which allows removing board I2C code in
favor of the I2C driver model.

Signed-off-by: Fabio Estevam <festevam@denx.de>
This commit is contained in:
Fabio Estevam
2024-08-09 14:58:08 -03:00
parent a640267cc4
commit d1cdb5fe2d
2 changed files with 10 additions and 59 deletions
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61
board/tq/tqma6/tqma6.c
View File

@@ -19,11 +19,9 @@
#include <linux/errno.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/mach-imx/spi.h>
#include <fsl_esdhc_imx.h>
#include <linux/libfdt.h>
#include <i2c.h>
#include <mmc.h>
#include <power/pfuze100_pmic.h>
#include <power/pmic.h>
@@ -48,10 +46,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define SPI_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \
PAD_CTL_ODE | PAD_CTL_SRE_FAST)
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
@@ -170,38 +164,6 @@ int board_spi_cs_gpio(unsigned bus, unsigned cs)
#endif
#endif
#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
static struct i2c_pads_info tqma6_i2c3_pads = {
/* I2C3: on board LM75, M24C64, */
.scl = {
.i2c_mode = NEW_PAD_CTRL(MX6_PAD_GPIO_5__I2C3_SCL,
I2C_PAD_CTRL),
.gpio_mode = NEW_PAD_CTRL(MX6_PAD_GPIO_5__GPIO1_IO05,
I2C_PAD_CTRL),
.gp = IMX_GPIO_NR(1, 5)
},
.sda = {
.i2c_mode = NEW_PAD_CTRL(MX6_PAD_GPIO_6__I2C3_SDA,
I2C_PAD_CTRL),
.gpio_mode = NEW_PAD_CTRL(MX6_PAD_GPIO_6__GPIO1_IO06,
I2C_PAD_CTRL),
.gp = IMX_GPIO_NR(1, 6)
}
};
static void tqma6_setup_i2c(void)
{
int ret;
/*
* use logical index for bus, e.g. I2C1 -> 0
* warn on error
*/
ret = setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &tqma6_i2c3_pads);
if (ret)
printf("setup I2C3 failed: %d\n", ret);
}
#endif
int board_early_init_f(void)
{
return tqma6_bb_board_early_init_f();
@@ -215,10 +177,6 @@ int board_init(void)
#ifndef CONFIG_DM_SPI
tqma6_iomuxc_spi();
#endif
#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
tqma6_setup_i2c();
#endif
tqma6_bb_board_init();
return 0;
@@ -246,21 +204,22 @@ static const char *tqma6_get_boardname(void)
};
}
#if CONFIG_IS_ENABLED(POWER_LEGACY)
#if CONFIG_IS_ENABLED(DM_PMIC)
/* setup board specific PMIC */
int power_init_board(void)
{
struct pmic *p;
struct udevice *dev;
u32 reg, rev;
int ret;
power_pfuze100_init(TQMA6_PFUZE100_I2C_BUS);
p = pmic_get("PFUZE100");
if (p && !pmic_probe(p)) {
pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
pmic_reg_read(p, PFUZE100_REVID, &rev);
printf("PMIC: PFUZE100 ID=0x%02x REV=0x%02x\n", reg, rev);
}
ret = pmic_get("pmic@8", &dev);
if (ret < 0)
return 0;
reg = pmic_reg_read(dev, PFUZE100_DEVICEID);
rev = pmic_reg_read(dev, PFUZE100_REVID);
printf("PMIC: PFUZE100 ID=0x%02x REV=0x%02x\n", reg, rev);
return 0;
}
#endif

8
include/configs/tqma6.h
View File

@@ -26,14 +26,6 @@
#define TQMA6_SPI_FLASH_SECTOR_SIZE SZ_64K
/* I2C Configs */
#define CFG_I2C_MULTI_BUS
#if !defined(CONFIG_DM_PMIC)
#define CFG_POWER_PFUZE100_I2C_ADDR 0x08
#define TQMA6_PFUZE100_I2C_BUS 2
#endif
/* MMC Configs */
#define CFG_SYS_FSL_ESDHC_ADDR 0