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| author | Ludovic Barre <ludovic.barre@st.com> | 2017-11-06 18:03:34 +0100 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-11-07 12:44:28 +0100 |
| commit | 539c603e147c1566f90623d863fa0d64ecb6c89d (patch) | |
| tree | 6b74061f00d12e0e0334c8e9501ed6a546dcc3b5 | |
| parent | dt-bindings/interrupt-controllers: Add compatible string for stm32h7 (diff) | |
| download | linux-539c603e147c1566f90623d863fa0d64ecb6c89d.tar.xz linux-539c603e147c1566f90623d863fa0d64ecb6c89d.zip | |
irqchip/stm32: Add stm32h7 support
stm32h7 has up to 96 inputs
(3 banks of 32 inputs max).
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
| -rw-r--r-- | drivers/irqchip/irq-stm32-exti.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index ef378709baea..8f409a95918f 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); |