I am trying my best to have this subsystem as DT-compatible with Linux as possible, also saving memory foot print as a boot loader.
It would be very appreciated if Linus Walleij, the maintainer of pinctrl subsystem in Linux, would check this series if he could find some time.
Masahiro Yamada (3): dm: core: allow device_bind() to not return a device pointer pinctrl: add pin control uclass support pinctrl: sandbox: add sandbox pinctrl driver
arch/sandbox/dts/sandbox.dts | 19 ++ configs/sandbox_defconfig | 3 + drivers/Kconfig | 2 + drivers/Makefile | 1 + drivers/core/device.c | 10 +- drivers/pinctrl/Kconfig | 109 ++++++++++++ drivers/pinctrl/Makefile | 4 + drivers/pinctrl/pinctrl-generic.c | 359 ++++++++++++++++++++++++++++++++++++++ drivers/pinctrl/pinctrl-sandbox.c | 147 ++++++++++++++++ drivers/pinctrl/pinctrl-uclass.c | 240 +++++++++++++++++++++++++ include/dm/device-internal.h | 4 +- include/dm/lists.h | 4 +- include/dm/pinctrl.h | 227 ++++++++++++++++++++++++ include/dm/uclass-id.h | 2 + 14 files changed, 1125 insertions(+), 6 deletions(-) create mode 100644 drivers/pinctrl/Kconfig create mode 100644 drivers/pinctrl/Makefile create mode 100644 drivers/pinctrl/pinctrl-generic.c create mode 100644 drivers/pinctrl/pinctrl-sandbox.c create mode 100644 drivers/pinctrl/pinctrl-uclass.c create mode 100644 include/dm/pinctrl.h