Commit 539c603e authored by Ludovic Barre's avatar Ludovic Barre Committed by Marc Zyngier
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irqchip/stm32: Add stm32h7 support



stm32h7 has up to 96 inputs
(3 banks of 32 inputs max).

Signed-off-by: default avatarLudovic Barre <ludovic.barre@st.com>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent ce0b7e39
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+42 −0
Original line number Diff line number Diff line
@@ -38,6 +38,39 @@ static const struct stm32_exti_bank *stm32f4xx_exti_banks[] = {
	&stm32f4xx_exti_b1,
};

static const struct stm32_exti_bank stm32h7xx_exti_b1 = {
	.imr_ofst	= 0x80,
	.emr_ofst	= 0x84,
	.rtsr_ofst	= 0x00,
	.ftsr_ofst	= 0x04,
	.swier_ofst	= 0x08,
	.pr_ofst	= 0x88,
};

static const struct stm32_exti_bank stm32h7xx_exti_b2 = {
	.imr_ofst	= 0x90,
	.emr_ofst	= 0x94,
	.rtsr_ofst	= 0x20,
	.ftsr_ofst	= 0x24,
	.swier_ofst	= 0x28,
	.pr_ofst	= 0x98,
};

static const struct stm32_exti_bank stm32h7xx_exti_b3 = {
	.imr_ofst	= 0xA0,
	.emr_ofst	= 0xA4,
	.rtsr_ofst	= 0x40,
	.ftsr_ofst	= 0x44,
	.swier_ofst	= 0x48,
	.pr_ofst	= 0xA8,
};

static const struct stm32_exti_bank *stm32h7xx_exti_banks[] = {
	&stm32h7xx_exti_b1,
	&stm32h7xx_exti_b2,
	&stm32h7xx_exti_b3,
};

static unsigned long stm32_exti_pending(struct irq_chip_generic *gc)
{
	const struct stm32_exti_bank *stm32_bank = gc->private;
@@ -256,3 +289,12 @@ static int __init stm32f4_exti_of_init(struct device_node *np,
}

IRQCHIP_DECLARE(stm32f4_exti, "st,stm32-exti", stm32f4_exti_of_init);

static int __init stm32h7_exti_of_init(struct device_node *np,
				       struct device_node *parent)
{
	return stm32_exti_init(stm32h7xx_exti_banks,
			ARRAY_SIZE(stm32h7xx_exti_banks), np);
}

IRQCHIP_DECLARE(stm32h7_exti, "st,stm32h7-exti", stm32h7_exti_of_init);