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3 Commits

Author SHA1 Message Date
Jisheng Zhang
6bdd1c672a regulator: sy8827n: Enable REGCACHE_FLAT 
Enable regmap cache to reduce i2c transactions and corresponding
interrupts if regulator is accessed frequently. Since the register map
is small, we use a FLAT regmap cache.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20210803165211.3b00db29@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
 2021-08-03 18:27:19 +01:00
Jisheng Zhang
a16138a32e regulator: sy8827n: Fix W=1 build warning when CONFIG_OF=n 
Fixing W=1 build warning when no support for device tree is there.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20200810095753.59ce9f75@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
 2020-08-18 17:18:40 +01:00
Jisheng Zhang
38fc6f2957 regulator: add support for SY8827N regulator 
The SY8827N from Silergy Corp is a single output DC/DC converter. The
voltage can be controlled via I2C.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20200702171438.20edc523@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
 2020-07-02 15:52:00 +01:00