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>
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 @@
}
#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 @@
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 @@
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__ */