linux-dev/drivers/iio/potentiometer, branch master

iio: potentiometer: mcp4131: Fix alignment for DMA safety

2022-06-14T10:53:19Z

____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: 22d199a53910 ("iio: potentiometer: add driver for Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-85-jic23@kernel.org

iio: potentiometer: mcp41010: Fix alignment for DMA safety

2022-06-14T10:53:19Z

____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: 092cb71a604e ("iio: potentiometer: Add driver for Microchip MCP41xxx/42xxx") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-84-jic23@kernel.org

iio: potentiometer: max5481: Fix alignment for DMA safety

2022-06-14T10:53:19Z

____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: df1fd2de118e ("iio: max5481: Add support for Maxim digital potentiometers") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-83-jic23@kernel.org

iio: potentiometer: ad5272: Fix alignment for DMA safety

2022-06-14T10:53:19Z

____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: 79e8a32d2aa9 ("iio: ad5272: Add support for Analog Devices digital potentiometers") Signed-off-by: Jonathan Cameron Reviewed-by: Phil Reid Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-82-jic23@kernel.org

iio: potentiometer: ad5110: Fix alignment for DMA safety

2022-06-14T10:53:19Z

____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: d03a74bfacce ("iio: potentiometer: Add driver support for AD5110") Signed-off-by: Jonathan Cameron Cc: Mugilraj Dhavachelvan Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-81-jic23@kernel.org

Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2022-03-28T19:27:35Z

Pull char/misc and other driver updates from Greg KH: "Here is the big set of char/misc and other small driver subsystem updates for 5.18-rc1. Included in here are merges from driver subsystems which contain: - iio driver updates and new drivers - fsi driver updates - fpga driver updates - habanalabs driver updates and support for new hardware - soundwire driver updates and new drivers - phy driver updates and new drivers - coresight driver updates - icc driver updates Individual changes include: - mei driver updates - interconnect driver updates - new PECI driver subsystem added - vmci driver updates - lots of tiny misc/char driver updates All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits) firmware: google: Properly state IOMEM dependency kgdbts: fix return value of __setup handler firmware: sysfb: fix platform-device leak in error path firmware: stratix10-svc: add missing callback parameter on RSU arm64: dts: qcom: add non-secure domain property to fastrpc nodes misc: fastrpc: Add dma handle implementation misc: fastrpc: Add fdlist implementation misc: fastrpc: Add helper function to get list and page misc: fastrpc: Add support to secure memory map dt-bindings: misc: add fastrpc domain vmid property misc: fastrpc: check before loading process to the DSP misc: fastrpc: add secure domain support dt-bindings: misc: add property to support non-secure DSP misc: fastrpc: Add support to get DSP capabilities misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP misc: fastrpc: separate fastrpc device from channel context dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells dt-bindings: nvmem: make "reg" property optional nvmem: brcm_nvram: parse NVRAM content into NVMEM cells nvmem: dt-bindings: Fix the error of dt-bindings check ...

iio: potentiometer: ds1803: Add support for Maxim DS3502

2022-02-26T18:39:27Z

The DS3502 is a 7-bit, nonvolatile digital potentiometer featuring an output voltage range of up to 15.5V. DS3502 support is added into existing DS1803 driver. Datasheet: https://datasheets.maximintegrated.com/en/ds/DS3502.pdf Signed-off-by: Jagath Jog J Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220223163525.13399-7-jagathjog1996@gmail.com Signed-off-by: Jonathan Cameron

iio: potentiometer: ds1803: Add device specific read_raw function

2022-02-26T18:39:24Z

Added function pointer in the device specific structure to call the appropriate device read_raw function, so that the other type of devices with different read method can be handled. Signed-off-by: Jagath Jog J Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220223163525.13399-6-jagathjog1996@gmail.com Signed-off-by: Jonathan Cameron

iio: potentiometer: ds1803: Change to firmware provided data

2022-02-26T18:38:00Z

Using firmware provided data to get the device specific structure if not available fall back to id->driver_data. Signed-off-by: Jagath Jog J Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220223163525.13399-5-jagathjog1996@gmail.com Signed-off-by: Jonathan Cameron

iio: potentiometer: ds1803: Add channel information in device data

2022-02-26T18:38:00Z

Adding each device wiper count and channel information into device private data. Utilizing addr member of struct iio_chan_spec to get the wiper register address so that the value can be read or write to the same address. Signed-off-by: Jagath Jog J Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220223163525.13399-4-jagathjog1996@gmail.com Signed-off-by: Jonathan Cameron