[PATCH v5 07/17] irqchip/sun4i: Add support for Allwinner ARMv5 F1C100s
From: Mesih Kilinc <hidden>
Date: 2018-11-28 22:34:28
Also in:
linux-clk, linux-devicetree, linux-gpio, lkml
Subsystem:
irqchip drivers, the rest · Maintainers:
Thomas Gleixner, Linus Torvalds
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 <redacted> Acked-by: Maxime Ripard <redacted> --- drivers/irqchip/irq-sun4i.c | 47 +++++++++++++++++++++++++++++++++++---------- 1 file changed, 37 insertions(+), 10 deletions(-)
diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c
index 507f4e3..fb78d66 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) {
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2.7.4