On Fri, 23 Mar 2018, [email protected] wrote:

> From: Sean Wang <[email protected]>
> 
> Add compatible string as "mt6323-rtc" that will make the OF core spawn
> child devices for the RTC subnode of that MT6323 MFD node.
> 
> Signed-off-by: Sean Wang <[email protected]>
> ---
>  drivers/mfd/mt6397-core.c | 23 ++++++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
> index 77b64bd..f71874a 100644
> --- a/drivers/mfd/mt6397-core.c
> +++ b/drivers/mfd/mt6397-core.c
> @@ -1,5 +1,5 @@
>  /*
> - * Copyright (c) 2014 MediaTek Inc.
> + * Copyright (c) 2014-2018 MediaTek Inc.
>   * Author: Flora Fu, MediaTek
>   *
>   * This program is free software; you can redistribute it and/or modify
> @@ -23,6 +23,9 @@
>  #include <linux/mfd/mt6397/registers.h>
>  #include <linux/mfd/mt6323/registers.h>
>  
> +#define MT6323_RTC_BASE              0x8000
> +#define MT6323_RTC_SIZE              0x3e
> +
>  #define MT6397_RTC_BASE              0xe000
>  #define MT6397_RTC_SIZE              0x3e
>  
> @@ -30,6 +33,19 @@
>  #define MT6391_CID_CODE              0x91
>  #define MT6397_CID_CODE              0x97
>  
> +static const struct resource mt6323_rtc_resources[] = {
> +     {
> +             .start = MT6323_RTC_BASE,
> +             .end   = MT6323_RTC_BASE + MT6323_RTC_SIZE,
> +             .flags = IORESOURCE_MEM,
> +     },
> +     {
> +             .start = MT6323_IRQ_STATUS_RTC,
> +             .end   = MT6323_IRQ_STATUS_RTC,
> +             .flags = IORESOURCE_IRQ,
> +     },
> +};

Please use the DEFINE_RES_* helpers instead.

Defined in: include/linux/ioport.h

>  static const struct resource mt6397_rtc_resources[] = {
>       {
>               .start = MT6397_RTC_BASE,
> @@ -55,6 +71,11 @@ static const struct resource mt6397_keys_resources[] = {
>  
>  static const struct mfd_cell mt6323_devs[] = {
>       {
> +             .name = "mt6323-rtc",
> +             .num_resources = ARRAY_SIZE(mt6323_rtc_resources),
> +             .resources = mt6323_rtc_resources,
> +             .of_compatible = "mediatek,mt6323-rtc",
> +     }, {
>               .name = "mt6323-regulator",
>               .of_compatible = "mediatek,mt6323-regulator"
>       }, {

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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