[PATCH 2/4] irqchip: mediatek: Add support for mt8173

Eddie Huang
2014-12-10T10:50:00Z

From: Yingjoe Chen <yingjoe.chen@mediatek.com>

MT8173 intpol have 32 more irq pins, add support to it.

Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
---
drivers/irqchip/irq-mtk-sysirq.c | 22 ++++++++++++++++++----
1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
index 7e342df..c8c0cdb 100644
--- a/drivers/irqchip/irq-mtk-sysirq.c
+++ b/drivers/irqchip/irq-mtk-sysirq.c
@@ -24,6 +24,7 @@
#include "irqchip.h"

#define MT6577_SYS_INTPOL_NUM (224)
+#define MT8173_SYS_INTPOL_NUM (256)

struct mtk_sysirq_chip_data {
spinlock_t lock;
@@ -120,7 +121,8 @@ static struct irq_domain_ops sysirq_domain_ops = {
};

static int __init mtk_sysirq_of_init(struct device_node *node,
- struct device_node *parent)
+ struct device_node *parent,
+ int intpol_num)
{
struct irq_domain *domain, *domain_parent;
struct mtk_sysirq_chip_data *chip_data;
@@ -143,8 +145,7 @@ static int __init mtk_sysirq_of_init(struct device_node *node,
goto out_free;
}

- domain = irq_domain_add_hierarchy(domain_parent, 0,
- MT6577_SYS_INTPOL_NUM, node,
+ domain = irq_domain_add_hierarchy(domain_parent, 0, intpol_num, node,
&sysirq_domain_ops, chip_data);
if (!domain) {
ret = -ENOMEM;
@@ -160,4 +161,17 @@ out_free:
kfree(chip_data);
return ret;
}
-IRQCHIP_DECLARE(mtk_sysirq, "mediatek,mt6577-sysirq", mtk_sysirq_of_init);
+
+static int __init mt6577_sysirq_of_init(struct device_node *node,
+ struct device_node *parent)
+{
+ return mtk_sysirq_of_init(node, parent, MT6577_SYS_INTPOL_NUM);
+}
+
+static int __init mt8173_sysirq_of_init(struct device_node *node,
+ struct device_node *parent)
+{
+ return mtk_sysirq_of_init(node, parent, MT8173_SYS_INTPOL_NUM);
+}
+IRQCHIP_DECLARE(mt6577_sysirq, "mediatek,mt6577-sysirq", mt6577_sysirq_of_init);
+IRQCHIP_DECLARE(mt8173_sysirq, "mediatek,mt8173-sysirq", mt8173_sysirq_of_init);
--
1.8.1.1.dirty