diff options
| author | Tom Rini <trini@ti.com> | 2014-06-23 16:06:29 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-07-25 15:21:06 -0400 |
| commit | 7aa5598aac3faf9188559f7a50940df11c30b656 (patch) | |
| tree | b999a41c246d9a5ef10ede31b233fb195a0a2ea1 | |
| parent | 5c44dd6bbd42775a93b9938510d398f0e26dbcc2 (diff) | |
| download | u-boot-imx-7aa5598aac3faf9188559f7a50940df11c30b656.zip u-boot-imx-7aa5598aac3faf9188559f7a50940df11c30b656.tar.gz u-boot-imx-7aa5598aac3faf9188559f7a50940df11c30b656.tar.bz2 | |
tps65218/am43xx_evm: Add power framework support to TPS65218
Add in an init function for the drivers/power framework so we can dump
and read the registers via i2c.
Cc: Łukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Tom Rini <trini@ti.com>
| -rw-r--r-- | board/ti/am43xx/board.c | 14 | ||||
| -rw-r--r-- | drivers/power/pmic/pmic_tps65218.c | 22 | ||||
| -rw-r--r-- | include/configs/am43xx_evm.h | 2 | ||||
| -rw-r--r-- | include/power/tps65218.h | 1 |
4 files changed, 39 insertions, 0 deletions
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index 054a452..f657776 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -19,6 +19,7 @@ #include <asm/arch/gpio.h> #include <asm/emif.h> #include "board.h" +#include <power/pmic.h> #include <power/tps65218.h> #include <miiphy.h> #include <cpsw.h> @@ -484,6 +485,19 @@ void sdram_init(void) } #endif +/* setup board specific PMIC */ +int power_init_board(void) +{ + struct pmic *p; + + power_tps65218_init(I2C_PMIC); + p = pmic_get("TPS65218_PMIC"); + if (p && !pmic_probe(p)) + puts("PMIC: TPS65218\n"); + + return 0; +} + int board_init(void) { gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; diff --git a/drivers/power/pmic/pmic_tps65218.c b/drivers/power/pmic/pmic_tps65218.c index 0952456..dbc7a73 100644 --- a/drivers/power/pmic/pmic_tps65218.c +++ b/drivers/power/pmic/pmic_tps65218.c @@ -7,6 +7,8 @@ #include <common.h> #include <i2c.h> +#include <asm/errno.h> +#include <power/pmic.h> #include <power/tps65218.h> /** @@ -95,3 +97,23 @@ int tps65218_voltage_update(uchar dc_cntrl_reg, uchar volt_sel) return 0; } + +int power_tps65218_init(unsigned char bus) +{ + static const char name[] = "TPS65218_PMIC"; + struct pmic *p = pmic_alloc(); + + if (!p) { + printf("%s: POWER allocation error!\n", __func__); + return -ENOMEM; + } + + p->name = name; + p->interface = PMIC_I2C; + p->number_of_regs = TPS65218_PMIC_NUM_OF_REGS; + p->hw.i2c.addr = TPS65218_CHIP_PM; + p->hw.i2c.tx_num = 1; + p->bus = bus; + + return 0; +} diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h index 974ce98..e262040 100644 --- a/include/configs/am43xx_evm.h +++ b/include/configs/am43xx_evm.h @@ -33,6 +33,8 @@ #define CONFIG_SYS_I2C_MULTI_EEPROMS /* Power */ +#define CONFIG_POWER +#define CONFIG_POWER_I2C #define CONFIG_POWER_TPS65218 /* SPL defines. */ diff --git a/include/power/tps65218.h b/include/power/tps65218.h index 67aa2f8..f8f33b8 100644 --- a/include/power/tps65218.h +++ b/include/power/tps65218.h @@ -60,4 +60,5 @@ enum { int tps65218_reg_write(uchar prot_level, uchar dest_reg, uchar dest_val, uchar mask); int tps65218_voltage_update(uchar dc_cntrl_reg, uchar volt_sel); +int power_tps65218_init(unsigned char bus); #endif /* __POWER_TPS65218_H__ */ |