* Girish. S. G. <[EMAIL PROTECTED]> [080627 13:30]:
> This patch adds rtc-twl4030 driver specific code.
Pushing today.
Tony
> Signed-off-by: Girish S G <[EMAIL PROTECTED]>
> ---
> arch/arm/configs/omap_3430sdp_defconfig | 17 ++++++++
> arch/arm/mach-omap2/board-3430sdp.c | 64
> ++++++++++++++++++++++++++++++++
> 2 files changed, 80 insertions(+), 1 deletion(-)
>
> Index: linux-omap-2.6/arch/arm/configs/omap_3430sdp_defconfig
> ===================================================================
> --- linux-omap-2.6.orig/arch/arm/configs/omap_3430sdp_defconfig
> 2008-06-26
> 17:24:52.000000000 +0530
> +++ linux-omap-2.6/arch/arm/configs/omap_3430sdp_defconfig 2008-06-27
> 15:40:56.000000000 +0530
> @@ -1061,8 +1061,23 @@
> CONFIG_MMC_OMAP_HS=y
> # CONFIG_MMC_SPI is not set
> # CONFIG_NEW_LEDS is not set
> +
> +#
> +# RTC interface
> +#
> CONFIG_RTC_LIB=y
> -# CONFIG_RTC_CLASS is not set
> +CONFIG_RTC_CLASS=y
> +CONFIG_RTC_HCTOSYS=y
> +CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
> +CONFIG_RTC_INTF_SYSFS=y
> +CONFIG_RTC_INTF_PROC=y
> +CONFIG_RTC_INTF_DEV=y
> +
> +#
> +# I2C RTC driver
> +#
> +CONFIG_RTC_DRV_TWL4030=y
> +
> # CONFIG_UIO is not set
>
> #
> Index: linux-omap-2.6/arch/arm/mach-omap2/board-3430sdp.c
> ===================================================================
> --- linux-omap-2.6.orig/arch/arm/mach-omap2/board-3430sdp.c 2008-06-26
> 17:24:52.000000000 +0530
> +++ linux-omap-2.6/arch/arm/mach-omap2/board-3430sdp.c 2008-06-27
> 15:49:37.000000000 +0530
> @@ -40,9 +40,11 @@
> #include <asm/arch/keypad.h>
> #include <asm/arch/dma.h>
> #include <asm/arch/gpmc.h>
> +#include <linux/i2c/twl4030-rtc.h>
>
> #include <asm/io.h>
> #include <asm/delay.h>
> +#include <asm/arch/control.h>
>
> #define SDP3430_SMC91X_CS 3
>
> @@ -50,6 +52,8 @@
> #define ENABLE_VAUX3_DEV_GRP 0x20
>
>
> +#define TWL4030_MSECURE_GPIO 22
> +
> static struct resource sdp3430_smc91x_resources[] = {
> [0] = {
> .start = OMAP34XX_ETHR_START,
> @@ -122,6 +126,63 @@
>
> static int ts_gpio;
>
> +#ifdef CONFIG_RTC_DRV_TWL4030
> +static int twl4030_rtc_init(void)
> +{
> + int ret = 0;
> +
> + /* 3430ES2.0 doesn't have msecure/gpio-22 line connected to T2 */
> + if (is_device_type_gp() && is_sil_rev_less_than(OMAP3430_REV_ES2_0)) {
> + u32 msecure_pad_config_reg = omap_ctrl_base_get() + 0xA3C;
> + int mux_mask = 0x04;
> + u16 tmp;
> +
> + ret = omap_request_gpio(TWL4030_MSECURE_GPIO);
> + if (ret < 0) {
> + printk(KERN_ERR "twl4030_rtc_init: can't"
> + "reserve GPIO:%d !\n", TWL4030_MSECURE_GPIO);
> + goto out;
> + }
> + /*
> + * TWL4030 will be in secure mode if msecure line from OMAP
> + * is low. Make msecure line high in order to change the
> + * TWL4030 RTC time and calender registers.
> + */
> + omap_set_gpio_direction(TWL4030_MSECURE_GPIO, 0);
> +
> + tmp = omap_readw(msecure_pad_config_reg);
> + tmp &= 0xF8; /* To enable mux mode 03/04 = GPIO_RTC */
> + tmp |= mux_mask;/* To enable mux mode 03/04 = GPIO_RTC */
> + omap_writew(tmp, msecure_pad_config_reg);
> +
> + omap_set_gpio_dataout(TWL4030_MSECURE_GPIO, 1);
> + }
> +out:
> + return ret;
> +}
> +
> +static void twl4030_rtc_exit(void)
> +{
> + if (is_device_type_gp() &&
> + is_sil_rev_less_than(OMAP3430_REV_ES2_0)) {
> + omap_free_gpio(TWL4030_MSECURE_GPIO);
> + }
> +}
> +
> +static struct twl4030rtc_platform_data sdp3430_twl4030rtc_data = {
> + .init = &twl4030_rtc_init,
> + .exit = &twl4030_rtc_exit,
> +};
> +
> +static struct platform_device sdp3430_twl4030rtc_device = {
> + .name = "twl4030_rtc",
> + .id = -1,
> + .dev = {
> + .platform_data = &sdp3430_twl4030rtc_data,
> + },
> +};
> +#endif
> +
> /**
> * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
> *
> @@ -212,6 +273,9 @@
> &sdp3430_smc91x_device,
> &sdp3430_kp_device,
> &sdp3430_lcd_device,
> +#ifdef CONFIG_RTC_DRV_TWL4030
> + &sdp3430_twl4030rtc_device,
> +#endif
> };
>
> static inline void __init sdp3430_init_smc91x(void)
>
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