Re: [PATCH 2/3] irqchip/stm32-exti: add STM32MP13 support
From: Marc Zyngier <maz@kernel.org>
Date: 2021-12-08 13:41:34
Also in:
linux-devicetree, lkml
On Wed, 08 Dec 2021 13:04:55 +0000, Alexandre Torgue [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Enhance stm32-exti driver to support STM32MP13 SoC. This SoC uses the same hardware version than STM32MP15. Only EXTI line mapping is changed and following EXTI lines are supported: GPIO, RTC, I2C[1-5], UxART[1-8], USBH_EHCI, USBH_OHCI, USB_OTG, LPTIM[1-5], ETH[1-2]. Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index b7cb2da71888..9d18f47040eb 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c@@ -214,6 +214,48 @@ static const struct stm32_desc_irq stm32mp1_desc_irq[] = { { .exti = 73, .irq_parent = 129, .chip = &stm32_exti_h_chip }, }; +static const struct stm32_desc_irq stm32mp13_desc_irq[] = { + { .exti = 0, .irq_parent = 6, .chip = &stm32_exti_h_chip }, + { .exti = 1, .irq_parent = 7, .chip = &stm32_exti_h_chip }, + { .exti = 2, .irq_parent = 8, .chip = &stm32_exti_h_chip }, + { .exti = 3, .irq_parent = 9, .chip = &stm32_exti_h_chip }, + { .exti = 4, .irq_parent = 10, .chip = &stm32_exti_h_chip }, + { .exti = 5, .irq_parent = 24, .chip = &stm32_exti_h_chip }, + { .exti = 6, .irq_parent = 65, .chip = &stm32_exti_h_chip }, + { .exti = 7, .irq_parent = 66, .chip = &stm32_exti_h_chip }, + { .exti = 8, .irq_parent = 67, .chip = &stm32_exti_h_chip }, + { .exti = 9, .irq_parent = 68, .chip = &stm32_exti_h_chip }, + { .exti = 10, .irq_parent = 41, .chip = &stm32_exti_h_chip }, + { .exti = 11, .irq_parent = 43, .chip = &stm32_exti_h_chip }, + { .exti = 12, .irq_parent = 77, .chip = &stm32_exti_h_chip }, + { .exti = 13, .irq_parent = 78, .chip = &stm32_exti_h_chip }, + { .exti = 14, .irq_parent = 106, .chip = &stm32_exti_h_chip }, + { .exti = 15, .irq_parent = 109, .chip = &stm32_exti_h_chip }, + { .exti = 16, .irq_parent = 1, .chip = &stm32_exti_h_chip }, + { .exti = 19, .irq_parent = 3, .chip = &stm32_exti_h_chip_direct }, + { .exti = 21, .irq_parent = 32, .chip = &stm32_exti_h_chip_direct }, + { .exti = 22, .irq_parent = 34, .chip = &stm32_exti_h_chip_direct }, + { .exti = 23, .irq_parent = 73, .chip = &stm32_exti_h_chip_direct }, + { .exti = 24, .irq_parent = 93, .chip = &stm32_exti_h_chip_direct }, + { .exti = 25, .irq_parent = 114, .chip = &stm32_exti_h_chip_direct }, + { .exti = 26, .irq_parent = 38, .chip = &stm32_exti_h_chip_direct }, + { .exti = 27, .irq_parent = 39, .chip = &stm32_exti_h_chip_direct }, + { .exti = 28, .irq_parent = 40, .chip = &stm32_exti_h_chip_direct }, + { .exti = 29, .irq_parent = 72, .chip = &stm32_exti_h_chip_direct }, + { .exti = 30, .irq_parent = 53, .chip = &stm32_exti_h_chip_direct }, + { .exti = 31, .irq_parent = 54, .chip = &stm32_exti_h_chip_direct }, + { .exti = 32, .irq_parent = 83, .chip = &stm32_exti_h_chip_direct }, + { .exti = 33, .irq_parent = 84, .chip = &stm32_exti_h_chip_direct }, + { .exti = 44, .irq_parent = 96, .chip = &stm32_exti_h_chip_direct }, + { .exti = 47, .irq_parent = 92, .chip = &stm32_exti_h_chip_direct }, + { .exti = 48, .irq_parent = 116, .chip = &stm32_exti_h_chip_direct }, + { .exti = 50, .irq_parent = 117, .chip = &stm32_exti_h_chip_direct }, + { .exti = 52, .irq_parent = 118, .chip = &stm32_exti_h_chip_direct }, + { .exti = 53, .irq_parent = 119, .chip = &stm32_exti_h_chip_direct }, + { .exti = 68, .irq_parent = 63, .chip = &stm32_exti_h_chip_direct }, + { .exti = 70, .irq_parent = 98, .chip = &stm32_exti_h_chip_direct }, +};
Why does the driver need to carry these tables? This sort of information should really come from DT, instead of being hardcoded in the driver and bloating it for no reason. This all has a funny taste of the board files we used to have pre-DT. M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel