On Mon, Mar 30, 2020 at 04:57:17PM +0200, Ahmad Fatoum wrote:
> From: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
>
> This driver adds support for PWM driver on STM32 platform
> based on the Linux v5.4 support.
>
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
> arch/arm/dts/stm32mp151.dtsi | 12 +
> drivers/mfd/Kconfig | 7 +
> drivers/mfd/Makefile | 1 +
> drivers/mfd/stm32-timers.c | 74 ++++++
> drivers/pwm/Kconfig | 6 +
> drivers/pwm/Makefile | 1 +
> drivers/pwm/pwm-stm32.c | 400 +++++++++++++++++++++++++++++++
> include/linux/mfd/stm32-timers.h | 97 ++++++++
> 8 files changed, 598 insertions(+)
> create mode 100644 drivers/mfd/stm32-timers.c
> create mode 100644 drivers/pwm/pwm-stm32.c
> create mode 100644 include/linux/mfd/stm32-timers.h
>
> diff --git a/arch/arm/dts/stm32mp151.dtsi b/arch/arm/dts/stm32mp151.dtsi
> index 2a70a747e76e..a0870c446f45 100644
> --- a/arch/arm/dts/stm32mp151.dtsi
> +++ b/arch/arm/dts/stm32mp151.dtsi
> @@ -21,6 +21,18 @@
> mmc0 = &sdmmc1;
> mmc1 = &sdmmc2;
> mmc2 = &sdmmc3;
> + pwm1 = &{/soc/timer@44000000/pwm};
> + pwm2 = &{/soc/timer@40000000/pwm};
> + pwm3 = &{/soc/timer@40001000/pwm};
> + pwm4 = &{/soc/timer@40002000/pwm};
> + pwm5 = &{/soc/timer@40003000/pwm};
> + pwm8 = &{/soc/timer@44001000/pwm};
> + pwm12 = &{/soc/timer@40006000/pwm};
> + pwm13 = &{/soc/timer@40007000/pwm};
> + pwm14 = &{/soc/timer@40008000/pwm};
> + pwm15 = &{/soc/timer@44006000/pwm};
> + pwm16 = &{/soc/timer@44007000/pwm};
> + pwm17 = &{/soc/timer@44008000/pwm};
The other aliases start counting at 0. Why not the PWMs?
Sascha
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