Commit-ID: 539c603e147c1566f90623d863fa0d64ecb6c89d
Gitweb: https://git.kernel.org/tip/539c603e147c1566f90623d863fa0d64ecb6c89d
Author: Ludovic Barre <ludovic.barre@xxxxxx>
AuthorDate: Mon, 6 Nov 2017 18:03:34 +0100
Committer: Marc Zyngier <marc.zyngier@xxxxxxx>
CommitDate: Tue, 7 Nov 2017 11:44:28 +0000
irqchip/stm32: Add stm32h7 support
stm32h7 has up to 96 inputs
(3 banks of 32 inputs max).
Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx>
Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
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 ef37870..8f409a9 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -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);
--
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