Support for voltage (in uV) to proper register value is added. The function tied to this callback is often PMIC dependent and shall be defined for each device.
Signed-off-by: Lukasz Majewski l.majewski@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com Cc: Stefano Babic sbabic@denx.de --- drivers/misc/pmic_core.c | 10 ++++++++++ include/pmic.h | 2 ++ 2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/misc/pmic_core.c b/drivers/misc/pmic_core.c index 5d62a56..4366bf0 100644 --- a/drivers/misc/pmic_core.c +++ b/drivers/misc/pmic_core.c @@ -89,6 +89,16 @@ struct pmic *get_pmic(void) return &pmic; }
+int pmic_vol_to_reg(struct pmic *p, int uV) +{ + if (p->voltage_to_reg_conv == NULL) { + puts("PMIC: Voltage to register value function not defined\n"); + return 0; + } + + return p->voltage_to_reg_conv(uV); +} + int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { u32 ret, reg, val; diff --git a/include/pmic.h b/include/pmic.h index 52a1526..f8594a9 100644 --- a/include/pmic.h +++ b/include/pmic.h @@ -52,12 +52,14 @@ struct pmic { struct p_i2c i2c; struct p_spi spi; } hw; + int (*voltage_to_reg_conv) (int uV); };
int pmic_init(void); int check_reg(u32 reg); struct pmic *get_pmic(void); int pmic_probe(struct pmic *p); +int pmic_vol_to_reg(struct pmic *p, int uV); int pmic_reg_read(struct pmic *p, u32 reg, u32 *val); int pmic_reg_write(struct pmic *p, u32 reg, u32 val); int pmic_set_output(struct pmic *p, u32 reg, int ldo, int on);