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[PATCH 4/8] irqchip: stm32: add stm32h7 support

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From: Ludovic Barre <ludovic.barre@st.com>

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

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
---
 drivers/irqchip/irq-stm32-exti.c | 42 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 308cef5..69ae09d 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -38,6 +38,39 @@ static struct stm32_exti_bank *stm32f4xx_exti_banks[] = {
 	&stm32f4xx_exti_b1,
 };
 
+static 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 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 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 struct stm32_exti_bank *stm32h7xx_exti_banks[] = {
+	&stm32h7xx_exti_b1,
+	&stm32h7xx_exti_b2,
+	&stm32h7xx_exti_b3,
+};
+
 static void stm32_irq_handler(struct irq_desc *desc)
 {
 	struct irq_domain *domain = irq_desc_get_handler_data(desc);
@@ -244,3 +277,12 @@ 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);
-- 
2.7.4

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[PATCH 0/8] irqchip: stm32: add stm32h7 support Ludovic Barre <ludovic.Barre@st.com> - 2017-07-07 09:30 +0200
  [PATCH 8/8] ARM: dts: stm32: add support of exti on stm32h743 pinctrl Ludovic Barre <ludovic.Barre@st.com> - 2017-07-07 09:30 +0200
    Re: [PATCH 8/8] ARM: dts: stm32: add support of exti on stm32h743  pinctrl Alexandre Torgue <alexandre.torgue@st.com> - 2017-07-07 10:20 +0200
  [PATCH 4/8] irqchip: stm32: add stm32h7 support Ludovic Barre <ludovic.Barre@st.com> - 2017-07-07 09:30 +0200
  [PATCH 2/8] irqchip: stm32: add multi-bank management Ludovic Barre <ludovic.Barre@st.com> - 2017-07-07 09:30 +0200

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