diff options
| author |   Mesih Kilinc <mesihkilinc@gmail.com> | 2018-12-02 23:23:41 +0300 |
|---|---|---|
| committer |   Marc Zyngier <marc.zyngier@arm.com> | 2018-12-13 09:35:58 +0000 |
| commit | b0c4b9f35555f02d2d8a701cd336b432415b1a55 (patch) | |
| tree | 8cc98968ecd78c5a5ff6b1d4169a94318b9ed56e /drivers/irqchip | |
| parent | irqchip/sun4i: Move IC specific register offsets to struct (diff) | |
| download | linux-dev-b0c4b9f35555f02d2d8a701cd336b432415b1a55.tar.xz linux-dev-b0c4b9f35555f02d2d8a701cd336b432415b1a55.zip | |
irqchip/sun4i: Add support for Allwinner ARMv5 F1C100s
This patch adds support for suniv Allwinner ARMv5 F1C100s SoC which has
stripped version of interrupt controller that found in A10/A13.
Signed-off-by: Mesih Kilinc <mesihkilinc@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-sun4i.c | 47 |
1 files changed, 37 insertions, 10 deletions
diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c index 507f4e378d2d..fb78d6623556 100644 --- a/drivers/irqchip/irq-sun4i.c +++ b/drivers/irqchip/irq-sun4i.c @@ -32,6 +32,8 @@ #define SUN4I_IRQ_MASK_REG(data, x) ((data)->mask_reg_offset + 0x4 * x) #define SUN4I_IRQ_ENABLE_REG_OFFSET 0x40 #define SUN4I_IRQ_MASK_REG_OFFSET 0x50 +#define SUNIV_IRQ_ENABLE_REG_OFFSET 0x20 +#define SUNIV_IRQ_MASK_REG_OFFSET 0x30 struct sun4i_irq_chip_data { void __iomem *irq_base; @@ -105,15 +107,6 @@ static const struct irq_domain_ops sun4i_irq_ops = { static int __init sun4i_of_init(struct device_node *node, struct device_node *parent) { - irq_ic_data = kzalloc(sizeof(struct sun4i_irq_chip_data), GFP_KERNEL); - if (!irq_ic_data) { - pr_err("kzalloc failed!\n"); - return -ENOMEM; - } - - irq_ic_data->enable_reg_offset = SUN4I_IRQ_ENABLE_REG_OFFSET; - irq_ic_data->mask_reg_offset = SUN4I_IRQ_MASK_REG_OFFSET; - irq_ic_data->irq_base = of_iomap(node, 0); if (!irq_ic_data->irq_base) panic("%pOF: unable to map IC registers\n", @@ -149,7 +142,41 @@ static int __init sun4i_of_init(struct device_node *node, return 0; } -IRQCHIP_DECLARE(allwinner_sun4i_ic, "allwinner,sun4i-a10-ic", sun4i_of_init); + +static int __init sun4i_ic_of_init(struct device_node *node, + struct device_node *parent) +{ + irq_ic_data = kzalloc(sizeof(struct sun4i_irq_chip_data), GFP_KERNEL); + if (!irq_ic_data) { + pr_err("kzalloc failed!\n"); + return -ENOMEM; + } + + irq_ic_data->enable_reg_offset = SUN4I_IRQ_ENABLE_REG_OFFSET; + irq_ic_data->mask_reg_offset = SUN4I_IRQ_MASK_REG_OFFSET; + + return sun4i_of_init(node, parent); +} + +IRQCHIP_DECLARE(allwinner_sun4i_ic, "allwinner,sun4i-a10-ic", sun4i_ic_of_init); + +static int __init suniv_ic_of_init(struct device_node *node, + struct device_node *parent) +{ + irq_ic_data = kzalloc(sizeof(struct sun4i_irq_chip_data), GFP_KERNEL); + if (!irq_ic_data) { + pr_err("kzalloc failed!\n"); + return -ENOMEM; + } + + irq_ic_data->enable_reg_offset = SUNIV_IRQ_ENABLE_REG_OFFSET; + irq_ic_data->mask_reg_offset = SUNIV_IRQ_MASK_REG_OFFSET; + + return sun4i_of_init(node, parent); +} + +IRQCHIP_DECLARE(allwinner_sunvi_ic, "allwinner,suniv-f1c100s-ic", + suniv_ic_of_init); static void __exception_irq_entry sun4i_handle_irq(struct pt_regs *regs) { |