Re: [PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Mark Brown
On Wed, May 30, 2018 at 03:56:34PM +0300, Matti Vaittinen wrote: > On Wed, May 30, 2018 at 12:00:00PM +0100, Mark Brown wrote: > > The tradeoff with forced PWM mode is that the quality of regulation will > > be a lot better, especially if the load changes suddenly (as things like > > CPUs often

Re: [PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Mark Brown
On Wed, May 30, 2018 at 03:56:34PM +0300, Matti Vaittinen wrote: > On Wed, May 30, 2018 at 12:00:00PM +0100, Mark Brown wrote: > > The tradeoff with forced PWM mode is that the quality of regulation will > > be a lot better, especially if the load changes suddenly (as things like > > CPUs often

Re: [PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Matti Vaittinen
On Wed, May 30, 2018 at 12:00:00PM +0100, Mark Brown wrote: > On Wed, May 30, 2018 at 12:05:12PM +0300, Matti Vaittinen wrote: > > > Other 4 can be used on PWM or PFM switching mode. When PWM is used > > voltages can be changed without disabling regulator. On PFM this should > > not be done.

Re: [PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Matti Vaittinen
On Wed, May 30, 2018 at 12:00:00PM +0100, Mark Brown wrote: > On Wed, May 30, 2018 at 12:05:12PM +0300, Matti Vaittinen wrote: > > > Other 4 can be used on PWM or PFM switching mode. When PWM is used > > voltages can be changed without disabling regulator. On PFM this should > > not be done.

Re: [PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Mark Brown
On Wed, May 30, 2018 at 12:05:12PM +0300, Matti Vaittinen wrote: > Other 4 can be used on PWM or PFM switching mode. When PWM is used > voltages can be changed without disabling regulator. On PFM this should > not be done. These latter 4 regulators can be forced to PWM mode via > control bit in

Re: [PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Mark Brown
On Wed, May 30, 2018 at 12:05:12PM +0300, Matti Vaittinen wrote: > Other 4 can be used on PWM or PFM switching mode. When PWM is used > voltages can be changed without disabling regulator. On PFM this should > not be done. These latter 4 regulators can be forced to PWM mode via > control bit in

Re: [PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Matti Vaittinen
Hello All, I would like to ask for an educated opinion from more experienced regulator driver developers. On Wed, May 30, 2018 at 11:41:13AM +0300, Matti Vaittinen wrote: > Patch series adding support for ROHM BD71837 PMIC. > > BD71837 is a programmable Power Management IC for powering

Re: [PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Matti Vaittinen
Hello All, I would like to ask for an educated opinion from more experienced regulator driver developers. On Wed, May 30, 2018 at 11:41:13AM +0300, Matti Vaittinen wrote: > Patch series adding support for ROHM BD71837 PMIC. > > BD71837 is a programmable Power Management IC for powering

[PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Matti Vaittinen
Patch series adding support for ROHM BD71837 PMIC. BD71837 is a programmable Power Management IC for powering single-core, dual-core, and quad-core SoC’s such as NXP-i.MX 8M. It is optimized for low BOM cost and compact solution footprint. It integrates 8 buck regulators and 7 LDO’s to provide

[PATCH v4 0/6] mfd/regulator/clk: bd71837: ROHM BD71837 PMIC driver

2018-05-30 Thread Matti Vaittinen
Patch series adding support for ROHM BD71837 PMIC. BD71837 is a programmable Power Management IC for powering single-core, dual-core, and quad-core SoC’s such as NXP-i.MX 8M. It is optimized for low BOM cost and compact solution footprint. It integrates 8 buck regulators and 7 LDO’s to provide