Add support for controlling voltage regulator that is connected and controlled by ChromeOS EC. Kernel controls these regulators through newly added EC host commands. Changes from v4: * Change compatible name from regulator-cros-ec to cros-ec-regulator. Changes from v3: * Fix dt bindings file name. * Remove check around CONFIG_OF in driver. * Add new host commands to cros_ec_trace. * Address review comments. Changes from v2: * Add 'depends on OF' to Kconfig. * Add Kconfig description about compiling as module. Changes from v1: * Change compatible string to google,regulator-cros-ec. * Use reg property in device tree. * Change license for dt binding according to checkpatch.pl. * Address comments on code styles. Pi-Hsun Shih (2): dt-bindings: regulator: Add DT binding for cros-ec-regulator regulator: Add driver for cros-ec-regulator .../regulator/google,cros-ec-regulator.yaml | 51 ++++ drivers/platform/chrome/cros_ec_trace.c | 5 + drivers/regulator/Kconfig | 10 + drivers/regulator/Makefile | 1 + drivers/regulator/cros-ec-regulator.c | 256 ++++++++++++++++++ .../linux/platform_data/cros_ec_commands.h | 82 ++++++ 6 files changed, 405 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/google,cros-ec-regulator.yaml create mode 100644 drivers/regulator/cros-ec-regulator.c base-commit: b29482fde649c72441d5478a4ea2c52c56d97a5e -- 2.27.0.278.ge193c7cf3a9-goog