On Fri, 23 Mar 2018, sean.wang@xxxxxxxxxxxx wrote:
> From: Sean Wang <sean.wang@xxxxxxxxxxxx>
>
> 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 <sean.wang@xxxxxxxxxxxx>
> ---
> 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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