| Message ID | 1419287177-28401-7-git-send-email-balbi@ti.com |
|---|---|
| State | Superseded |
| Delegated to: | Tom Rini |
| Headers | show |
On Tuesday 23 December 2014 03:56 AM, Felipe Balbi wrote: > This regulator is used with AM437x IDK to feed > VDD_MPU, without means to scale VDD_MPU we can't > support higher frequencies. > > Signed-off-by: Felipe Balbi <balbi@ti.com> > --- > drivers/power/pmic/Makefile | 1 + > drivers/power/pmic/pmic_tps62362.c | 47 ++++++++++++++++++++++++++++++++++++++ > 2 files changed, 48 insertions(+) > create mode 100644 drivers/power/pmic/pmic_tps62362.c There is a build error with this patch because tps62362.h is missing in the commit. Regards Mugunthan V N
On Tue, Jan 06, 2015 at 02:28:23PM +0530, Mugunthan V N wrote: > On Tuesday 23 December 2014 03:56 AM, Felipe Balbi wrote: > > This regulator is used with AM437x IDK to feed > > VDD_MPU, without means to scale VDD_MPU we can't > > support higher frequencies. > > > > Signed-off-by: Felipe Balbi <balbi@ti.com> > > --- > > drivers/power/pmic/Makefile | 1 + > > drivers/power/pmic/pmic_tps62362.c | 47 ++++++++++++++++++++++++++++++++++++++ > > 2 files changed, 48 insertions(+) > > create mode 100644 drivers/power/pmic/pmic_tps62362.c > > There is a build error with this patch because tps62362.h is missing in > the commit. looks like I forgot to git add :-s yeah, I did. I'll resend it.
diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index e7b07eb..985cfdb 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -14,5 +14,6 @@ obj-$(CONFIG_POWER_PFUZE100) += pmic_pfuze100.o obj-$(CONFIG_POWER_TPS65090_I2C) += pmic_tps65090.o obj-$(CONFIG_POWER_TPS65090_EC) += pmic_tps65090_ec.o obj-$(CONFIG_POWER_TPS65217) += pmic_tps65217.o +obj-$(CONFIG_POWER_TPS65218) += pmic_tps62362.o obj-$(CONFIG_POWER_TPS65218) += pmic_tps65218.o obj-$(CONFIG_POWER_TPS65910) += pmic_tps65910.o diff --git a/drivers/power/pmic/pmic_tps62362.c b/drivers/power/pmic/pmic_tps62362.c new file mode 100644 index 0000000..2123685 --- /dev/null +++ b/drivers/power/pmic/pmic_tps62362.c @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2014 Texas Instruments Incorporated - http://www.ti.com + * Author: Felipe Balbi <balbi@ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <asm/errno.h> +#include <power/pmic.h> +#include <power/tps62362.h> + +/** + * tps62362_voltage_update() - Function to change a voltage level, as this + * is a multi-step process. + * @reg: Register address to write to + * @volt_sel: Voltage register value to write + * @return: 0 on success, 1 on failure + */ +int tps62362_voltage_update(unsigned char reg, unsigned char volt_sel) +{ + if (reg > TPS62362_NUM_REGS) + return 1; + + return i2c_write(TPS62362_I2C_ADDR, reg, 1, &volt_sel, 1); +} + +int power_tps62362_init(unsigned char bus) +{ + static const char name[] = "TPS62362"; + 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 = TPS62362_NUM_REGS; + p->hw.i2c.addr = TPS62362_I2C_ADDR; + p->hw.i2c.tx_num = 1; + p->bus = bus; + + return 0; +}
This regulator is used with AM437x IDK to feed VDD_MPU, without means to scale VDD_MPU we can't support higher frequencies. Signed-off-by: Felipe Balbi <balbi@ti.com> --- drivers/power/pmic/Makefile | 1 + drivers/power/pmic/pmic_tps62362.c | 47 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+) create mode 100644 drivers/power/pmic/pmic_tps62362.c