linux-kernel - Re: [PATCH] ARM: s3c64xx: mini6410: Correct card detect type for HSMMC1

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Message-ID: <1527511.ScaEHrLnaz@flatron>
Date:	Wed, 16 Oct 2013 20:33:59 +0200
From:	Tomasz Figa <tomasz.figa@...il.com>
To:	linux-samsung-soc@...r.kernel.org
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Ben Dooks <ben-linux@...ff.org>, augulis.darius@...il.com,
	Jürgen Beisert <jbe@...gutronix.de>,
	oselas@...munity.pengutronix.de
Subject: Re: [PATCH] ARM: s3c64xx: mini6410: Correct card detect type for HSMMC1

Hi Kukjin,

On Sunday 29 of September 2013 18:12:01 Tomasz Figa wrote:
> According to board schematics, for HSMMC1 a GPIO line is used to detect
> card presence, while currently it is being configured for internal card
> detect line, which is multiplexed with card detect line of HSMMC0 and
> thus breaking it.
> 
> This patch adds proper sdhci platform data setting card detect type to
> external GPIO and fixing operation of HSMMC0.
> 
> Signed-off-by: Tomasz Figa <tomasz.figa@...il.com>
> ---
>  arch/arm/mach-s3c64xx/mach-mini6410.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)

Would you mind taking this patch to your tree?

Best regards,
Tomasz

> diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c
> b/arch/arm/mach-s3c64xx/mach-mini6410.c index 58d46a3..97ae470 100644
> --- a/arch/arm/mach-s3c64xx/mach-mini6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
> @@ -36,7 +36,9 @@
>  #include <plat/devs.h>
>  #include <plat/fb.h>
>  #include <linux/platform_data/mtd-nand-s3c2410.h>
> +#include <linux/platform_data/mmc-sdhci-s3c.h>
>  #include <plat/regs-serial.h>
> +#include <plat/sdhci.h>
>  #include <linux/platform_data/touchscreen-s3c2410.h>
> 
>  #include <video/platform_lcd.h>
> @@ -214,6 +216,13 @@ static struct platform_device mini6410_lcd_powerdev
> = { .dev.platform_data	= &mini6410_lcd_power_data,
>  };
> 
> +static struct s3c_sdhci_platdata mini6410_hsmmc1_pdata = {
> +	.max_width		= 4,
> +	.cd_type		= S3C_SDHCI_CD_GPIO,
> +	.ext_cd_gpio		= S3C64XX_GPN(10),
> +	.ext_cd_gpio_invert	= true,
> +};
> +
>  static struct platform_device *mini6410_devices[] __initdata = {
>  	&mini6410_device_eth,
>  	&s3c_device_hsmmc0,
> @@ -321,6 +330,7 @@ static void __init mini6410_machine_init(void)
> 
>  	s3c_nand_set_platdata(&mini6410_nand_info);
>  	s3c_fb_set_platdata(&mini6410_lcd_pdata[features.lcd_index]);
> +	s3c_sdhci1_set_platdata(&mini6410_hsmmc1_pdata);
>  	s3c24xx_ts_set_platdata(NULL);
> 
>  	/* configure nCS1 width to 16 bits */

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