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ARM: mmp: enable rtc in pxa910

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Support rtc-sa1100 driver in pxa910.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
This commit is contained in:
Haojian Zhuang 2012-02-23 23:37:33 +08:00
parent 8e8bbcb368
commit 4128e27584
5 changed files with 53 additions and 0 deletions
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1
arch/arm/mach-mmp/include/mach/pxa910.h
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@ -22,6 +22,7 @@ extern struct pxa_device_desc pxa910_device_pwm4;
extern struct pxa_device_desc pxa910_device_nand;
extern struct platform_device pxa910_device_gpio;
extern struct platform_device pxa910_device_rtc;
static inline int pxa910_add_uart(int id)
{

1
arch/arm/mach-mmp/include/mach/regs-apbc.h
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@ -57,6 +57,7 @@
#define APBC_PXA910_SSP1 APBC_REG(0x01c)
#define APBC_PXA910_SSP2 APBC_REG(0x020)
#define APBC_PXA910_IPC APBC_REG(0x024)
#define APBC_PXA910_RTC APBC_REG(0x028)
#define APBC_PXA910_TWSI0 APBC_REG(0x02c)
#define APBC_PXA910_KPC APBC_REG(0x030)
#define APBC_PXA910_TIMERS APBC_REG(0x034)

23
arch/arm/mach-mmp/include/mach/regs-rtc.h Normal file
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@ -0,0 +1,23 @@
#ifndef __ASM_MACH_REGS_RTC_H
#define __ASM_MACH_REGS_RTC_H
#include <mach/addr-map.h>
#define RTC_VIRT_BASE (APB_VIRT_BASE + 0x10000)
#define RTC_REG(x) (*((volatile u32 __iomem *)(RTC_VIRT_BASE + (x))))
/*
* Real Time Clock
*/
#define RCNR RTC_REG(0x00) /* RTC Count Register */
#define RTAR RTC_REG(0x04) /* RTC Alarm Register */
#define RTSR RTC_REG(0x08) /* RTC Status Register */
#define RTTR RTC_REG(0x0C) /* RTC Timer Trim Register */
#define RTSR_HZE (1 << 3) /* HZ interrupt enable */
#define RTSR_ALE (1 << 2) /* RTC alarm interrupt enable */
#define RTSR_HZ (1 << 1) /* HZ rising-edge detected */
#define RTSR_AL (1 << 0) /* RTC alarm detected */
#endif /* __ASM_MACH_REGS_RTC_H */

27
arch/arm/mach-mmp/pxa910.c
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@ -92,6 +92,7 @@ static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000);
static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000);
static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000);
static APBC_CLK(gpio, PXA910_GPIO, 0, 13000000);
static APBC_CLK(rtc, PXA910_RTC, 8, 32768);
static APMU_CLK(nand, NAND, 0x19b, 156000000);
static APMU_CLK(u2o, USB, 0x1b, 480000000);
@ -109,6 +110,7 @@ static struct clk_lookup pxa910_clkregs[] = {
INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
INIT_CLKREG(&clk_u2o, "pxa-u2o", "U2OCLK"),
INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL),
};
static int __init pxa910_init(void)
@ -183,3 +185,28 @@ struct platform_device pxa910_device_gpio = {
.num_resources = ARRAY_SIZE(pxa910_resource_gpio),
.resource = pxa910_resource_gpio,
};
static struct resource pxa910_resource_rtc[] = {
{
.start = 0xd4010000,
.end = 0xd401003f,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_PXA910_RTC_INT,
.end = IRQ_PXA910_RTC_INT,
.name = "rtc 1Hz",
.flags = IORESOURCE_IRQ,
}, {
.start = IRQ_PXA910_RTC_ALARM,
.end = IRQ_PXA910_RTC_ALARM,
.name = "rtc alarm",
.flags = IORESOURCE_IRQ,
},
};
struct platform_device pxa910_device_rtc = {
.name = "sa1100-rtc",
.id = -1,
.num_resources = ARRAY_SIZE(pxa910_resource_rtc),
.resource = pxa910_resource_rtc,
};

1
arch/arm/mach-mmp/ttc_dkb.c
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@ -124,6 +124,7 @@ static struct platform_device ttc_dkb_device_onenand = {
static struct platform_device *ttc_dkb_devices[] = {
&pxa910_device_gpio,
&pxa910_device_rtc,
&ttc_dkb_device_onenand,
};