[U-Boot] [PATCH] mx31pdk: Add MC13783 PMIC support

Stefano Babic sbabic at denx.de
Tue Oct 25 09:58:35 CEST 2011


On 10/24/2011 05:32 PM, Fabio Estevam wrote:
> Add MC13783 PMIC support. 
> 
> Tested by using the 'date' command, which reads the MC13783 RTC registers:
> 
> MX31PDK U-Boot > date                                                           
> Date: 1970-01-01 (Thursday)    Time:  2:22:35 
> 
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
> ---
>  board/freescale/mx31pdk/mx31pdk.c |   12 ++++++++++++
>  1 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
> index 0e7e0ce..9f8bc53 100644
> --- a/board/freescale/mx31pdk/mx31pdk.c
> +++ b/board/freescale/mx31pdk/mx31pdk.c
> @@ -30,6 +30,8 @@
>  #include <asm/arch/imx-regs.h>
>  #include <asm/arch/sys_proto.h>
>  #include <watchdog.h>
> +#include <pmic.h>
> +#include <fsl_pmic.h>
>  
>  DECLARE_GLOBAL_DATA_PTR;
>  
> @@ -79,6 +81,16 @@ int board_init(void)
>  
>  int board_late_init(void)
>  {
> +	u32 val;
> +	struct pmic *p;
> +
> +	pmic_init();
> +	p = get_pmic();
> +
> +	/* Enable RTC battery */
> +	pmic_reg_read(p, REG_POWER_CTL0, &val);
> +	pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
> +	pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
>  #ifdef CONFIG_HW_WATCHDOG
>  	mxc_hw_watchdog_enable();
>  #endif

Applied to u-boot-imx (fix), thanks.

Best regards,
Stefano Babic

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