Hi,
this is the first series in an attempt to clean up the X-Powers AXP PMIC drivers used by the SPL for sunxi boards. So far we have a separate driver file for each AXP variant, but the code was largely the same, just differing by the regulator ranges.
This adds a new generic driver, which reads the regulator description from an array of structs. This is similar to how the DM AXP driver used for U-Boot proper works, but is simplified, since we won't need the full feature set for the SPL, and we want to keep the code size small.
To help bisect-ability, and to simplify review, each of the simpler AXP drivers covered by this approach is handled in a separate patch. We just convert the AXP313, AXP305, AXP717 for now, and on the way add support for the AXP707, just because it's now very easy, and we will need it soon enough. The other AXP SPL drivers are more complex, and support more regulators, but my hunch is that we really just need the DC/DC converters in the SPL. However I need to prove and test this, so I will convert the other AXP chips later.
Please have a look and comment whether the approach in general is a good idea.
Cheers, Andre
Andre Przywara (6): power: pmic: sunxi: only build AXP drivers for SPL power: pmic: sunxi: introduce generic SPL AXP DC/DC driver power: pmic: sunxi: replace AXP717 SPL driver power: pmic: sunxi: use generic AXP SPL driver for AXP313 power: pmic: sunxi: use generic AXP SPL driver for AXP305 power: pmic: sunxi: add AXP707 support
drivers/power/Makefile | 8 +- drivers/power/axp305.c | 82 ------------------ drivers/power/axp313.c | 133 ----------------------------- drivers/power/axp717.c | 92 -------------------- drivers/power/axp_spl.c | 184 ++++++++++++++++++++++++++++++++++++++++ 5 files changed, 189 insertions(+), 310 deletions(-) delete mode 100644 drivers/power/axp305.c delete mode 100644 drivers/power/axp313.c delete mode 100644 drivers/power/axp717.c create mode 100644 drivers/power/axp_spl.c