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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2015-03-18 21:55:55 +0300 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2015-03-23 12:34:32 +0300 |
| commit | 1cd5ec73306d6e361b90e27ae17bd5f87e009567 (patch) | |
| tree | 84c34b2e3952ac54b97003202bef5a6d889b6f8c /drivers/irqchip/irq-renesas-irqc.c | |
| parent | c517d838eb7d07bbe9507871fab3931deccff539 (diff) | |
| download | linux-1cd5ec73306d6e361b90e27ae17bd5f87e009567.tar.xz | |
irqchip: renesas-irqc: Add more register documentation
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>
Diffstat (limited to 'drivers/irqchip/irq-renesas-irqc.c')
| -rw-r--r-- | drivers/irqchip/irq-renesas-irqc.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index 384e6ed61d7c..44fe04a8da95 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; |