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irqchip: renesas-irqc: Add more register documentation

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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lkml.kernel.org/r/1426704961-27322-2-git-send-email-geert+renesas@glider.be
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Geert Uytterhoeven 2015-03-18 19:55:55 +01:00 committed by Jason Cooper
parent c517d838eb
commit 1cd5ec7330
1 changed files with 15 additions and 5 deletions
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20
drivers/irqchip/irq-renesas-irqc.c
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@ -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;