Commit-ID: 1cd5ec73306d6e361b90e27ae17bd5f87e009567
Gitweb: http://git.kernel.org/tip/1cd5ec73306d6e361b90e27ae17bd5f87e009567
Author: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
AuthorDate: Wed, 18 Mar 2015 19:55:55 +0100
Committer: Jason Cooper <jason@xxxxxxxxxxxxxx>
CommitDate: Mon, 23 Mar 2015 09:34:32 +0000
irqchip: renesas-irqc: Add more register documentation
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/1426704961-27322-2-git-send-email-geert+renesas@xxxxxxxxx
Signed-off-by: Jason Cooper <jason@xxxxxxxxxxxxxx>
---
drivers/irqchip/irq-renesas-irqc.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
index 384e6ed..44fe04a 100644
--- a/drivers/irqchip/irq-renesas-irqc.c
+++ b/drivers/irqchip/irq-renesas-irqc.c
@@ -30,14 +30,24 @@
#include <linux/module.h>
#include <linux/platform_data/irq-renesas-irqc.h>
-#define IRQC_IRQ_MAX 32 /* maximum 32 interrupts per driver instance */
+#define IRQC_IRQ_MAX 32 /* maximum 32 interrupts per driver instance */
-#define IRQC_REQ_STS 0x00
-#define IRQC_EN_STS 0x04
-#define IRQC_EN_SET 0x08
+#define IRQC_REQ_STS 0x00 /* Interrupt Request Status Register */
+#define IRQC_EN_STS 0x04 /* Interrupt Enable Status Register */
+#define IRQC_EN_SET 0x08 /* Interrupt Enable Set Register */
#define IRQC_INT_CPU_BASE(n) (0x000 + ((n) * 0x10))
-#define DETECT_STATUS 0x100
+ /* SYS-CPU vs. RT-CPU */
+#define DETECT_STATUS 0x100 /* IRQn Detect Status Register */
+#define MONITOR 0x104 /* IRQn Signal Level Monitor Register */
+#define HLVL_STS 0x108 /* IRQn High Level Detect Status Register */
+#define LLVL_STS 0x10c /* IRQn Low Level Detect Status Register */
+#define S_R_EDGE_STS 0x110 /* IRQn Sync Rising Edge Detect Status Reg. */
+#define S_F_EDGE_STS 0x114 /* IRQn Sync Falling Edge Detect Status Reg. */
+#define A_R_EDGE_STS 0x118 /* IRQn Async Rising Edge Detect Status Reg. */
+#define A_F_EDGE_STS 0x11c /* IRQn Async Falling Edge Detect Status Reg. */
+#define CHTEN_STS 0x120 /* Chattering Reduction Status Register */
#define IRQC_CONFIG(n) (0x180 + ((n) * 0x04))
+ /* IRQn Configuration Register */
struct irqc_irq {
int hw_irq;
--
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