Re: [PATCH v7 2/8] MFD: add STM32 Timers driver

From: Rob Herring
Date: Mon Jan 09 2017 - 13:01:03 EST


On Thu, Jan 05, 2017 at 10:25:38AM +0100, Benjamin Gaignard wrote:
> This hardware block could at used at same time for PWM generation
> and IIO timers.
> PWM and IIO timer configuration are mixed in the same registers
> so we need a multi fonction driver to be able to share those registers.
>
> version 7:
> - rebase on v4.10-rc2
>
> version 6:
> - rename files to stm32-timers
> - rename functions to stm32_timers_xxx
>
> version 5:
> - fix Lee comments about detect function
> - add missing dependency on REGMAP_MMIO
>
> version 4:
> - add a function to detect Auto Reload Register (ARR) size
> - rename the structure shared with other drivers
>
> version 2:
> - rename driver "stm32-gptimer" to be align with SoC documentation
> - only keep one compatible
> - use of_platform_populate() instead of devm_mfd_add_devices()
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxx>
> ---
> .../devicetree/bindings/mfd/stm32-timers.txt | 2 +-
> drivers/mfd/Kconfig | 11 +++
> drivers/mfd/Makefile | 2 +
> drivers/mfd/stm32-timers.c | 80 ++++++++++++++++++++++
> include/linux/mfd/stm32-timers.h | 71 +++++++++++++++++++
> 5 files changed, 165 insertions(+), 1 deletion(-)
> create mode 100644 drivers/mfd/stm32-timers.c
> create mode 100644 include/linux/mfd/stm32-timers.h
>
> diff --git a/Documentation/devicetree/bindings/mfd/stm32-timers.txt b/Documentation/devicetree/bindings/mfd/stm32-timers.txt
> index a73301d..897e7c2 100644
> --- a/Documentation/devicetree/bindings/mfd/stm32-timers.txt
> +++ b/Documentation/devicetree/bindings/mfd/stm32-timers.txt
> @@ -12,7 +12,7 @@ Required parameters:
>
> - reg: Physical base address and length of the controller's
> registers.
> -- clock-names: Set to "int".
> +- clock-names: Set to "int".

This hunk should be dropped or moved to previous patch.

> - clocks: Phandle to the clock used by the timer module.
> For Clk properties, please refer to ../clock/clock-bindings.txt
>