On Tue, 9 May 2023 18:08:49 +0200 Herve Codina <herve.codina@xxxxxxxxxxx> wrote: > Hi, > > The Renesas X9250 integrated four digitally controlled potentiometers. > On each potentiometer, the X9250T has a 100 kOhms total resistance and > the X9250U has a 50 kOhms total resistance. > > Compare to the previous iteration > https://lore.kernel.org/linux-kernel/20230421085245.302169-1-herve.codina@xxxxxxxxxxx/ > This v4 series updates the binding, introduced the power-supply > regulators and the write-protect gpio, uses spi_write_then_read(), > removes spi_get_device_id(spi)->name, removes spi_set_drvdata() call. > > Best regards, > Herve Codina Series applied to the togreg branch of iio.git with one tweak as per reply to patch 2. Thanks, Jonathan > > Changes v3 -> v4 > - Patch 1 > Remove iio.yaml. > Add 'vcc-supply', 'avp-supply' and 'avn-supply'. > Add 'wp-gpios' > > - Patch 2 > Get and enable the regulators. > Manage the write-protect gpio. > Use spi_write_then_read(). > Remove the unneeded spi_setup() call. > Get name from field added in struct x9250_cfg instead of > spi_get_device_id(spi)->name. > > - Patch 3 > No changes > > Changes v2 -> v3 > - Patch 1 > Remove the reg property description > Use 'potentiometer' for the node name in the example. > > - Patch 2 and 3 > No changes > > Changes v1 -> v2 > - Patch 1 > No changes > > - Patch 2 > Use a define for the 0x50 value used multiple times. > > - Patch 3 > No changes > > Herve Codina (3): > dt-bindings: iio: potentiometer: Add the Renesas X9250 potentiometers > iio: potentiometer: Add support for the Renesas X9250 potentiometers > MAINTAINERS: add the Renesas X9250 driver entry > > .../iio/potentiometer/renesas,x9250.yaml | 78 ++++++ > MAINTAINERS | 7 + > drivers/iio/potentiometer/Kconfig | 10 + > drivers/iio/potentiometer/Makefile | 1 + > drivers/iio/potentiometer/x9250.c | 223 ++++++++++++++++++ > 5 files changed, 319 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml > create mode 100644 drivers/iio/potentiometer/x9250.c >
