Re: [PATCH v2 8/8] pinctrl: stm32: Add STM32H750 MCU pinctrl support
From: Alexandre TORGUE <alexandre.torgue@foss.st.com>
Date: 2021-03-29 08:01:55
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linux-devicetree, lkml
Hi Dillon On 3/12/21 7:24 AM, dillon.minfei@gmail.com wrote:
quoted hunk ↗ jump to hunk
From: dillon min <redacted> This patch adds STM32H750 pinctrl and GPIO support since stm32h750 has the same pin alternate functions with stm32h743, so just reuse the stm32h743's pinctrl driver Signed-off-by: dillon min <redacted> --- v2: - add compatible string st,stm32h750-pinctrl to pinctl-stm32h743.c as they have same pin alternate functions - add STM32H750 to Kconfig description drivers/pinctrl/stm32/Kconfig | 2 +- drivers/pinctrl/stm32/pinctrl-stm32h743.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-)diff --git a/drivers/pinctrl/stm32/Kconfig b/drivers/pinctrl/stm32/Kconfig index f36f29113370..fb1ffc94c57f 100644 --- a/drivers/pinctrl/stm32/Kconfig +++ b/drivers/pinctrl/stm32/Kconfig@@ -35,7 +35,7 @@ config PINCTRL_STM32F769 select PINCTRL_STM32 config PINCTRL_STM32H743 - bool "STMicroelectronics STM32H743 pin control" if COMPILE_TEST && !MACH_STM32H743 + bool "STMicroelectronics STM32H743/STM32H750 pin control" if COMPILE_TEST && !MACH_STM32H743 depends on OF && HAS_IOMEM default MACH_STM32H743 select PINCTRL_STM32diff --git a/drivers/pinctrl/stm32/pinctrl-stm32h743.c b/drivers/pinctrl/stm32/pinctrl-stm32h743.c index ffe7b5271506..700206c7bc11 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32h743.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32h743.c@@ -1966,6 +1966,9 @@ static const struct of_device_id stm32h743_pctrl_match[] = { .compatible = "st,stm32h743-pinctrl", .data = &stm32h743_match_data, }, + { .compatible = "st,stm32h750-pinctrl", + .data = &stm32h743_match_data, + },
If you use exactly the same driver (i.e. same ball out and AF mux) then you don't have to create a new compatible for that. Just use the same than h743.(so you don't have to factorize DT files). Regards Alex
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