linux-kernel - Re: [PATCH V2 1/1] gpio-f7188x: Add F81866 GPIO supports

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Message-ID: <20160122085823.GA4976@kw.sim.vm.gnt>
Date:	Fri, 22 Jan 2016 09:58:23 +0100
From:	Simon Guinot <simon.guinot@...uanux.org>
To:	Peter Hung <hpeter@...il.com>
Cc:	linus.walleij@...aro.org, gnurou@...il.com,
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
	peter_hong@...tek.com.tw,
	Peter Hung <hpeter+linux_kernel@...il.com>
Subject: Re: [PATCH V2 1/1] gpio-f7188x: Add F81866 GPIO supports

On Fri, Jan 22, 2016 at 03:23:33PM +0800, Peter Hung wrote:
> Add F81866 GPIO supports
> 
> Fintek F81866 is a SuperIO. It contains HWMON/GPIO/Serial Ports.
> and it has totally 72(9x8 sets) gpio pins.
> 
> Here is the PDF spec:
> http://www.alldatasheet.com/datasheet-pdf/pdf/459085/FINTEK/F81866AD-I.html
> 
> The control method is the same with F7188x, but we should care the address
> of GPIO8x.
> 
> GPIO address is below:
>     GPIO0x based: 0xf0
>     GPIO1x based: 0xe0
>     GPIO2x based: 0xd0
>     GPIO3x based: 0xc0
>     GPIO4x based: 0xb0
>     GPIO5x based: 0xa0
>     GPIO6x based: 0x90
>     GPIO7x based: 0x80
>     GPIO8x based: 0x88 <-- not 0x70.
> 
> Signed-off-by: Peter Hung <hpeter+linux_kernel@...il.com>
> ---
>  drivers/gpio/Kconfig       |  4 ++--
>  drivers/gpio/gpio-f7188x.c | 27 ++++++++++++++++++++++++---
>  2 files changed, 26 insertions(+), 5 deletions(-)

Hi Peter,

Acked-by: Simon Guinot <simon.guinot@...uanux.org>

Thanks,

Simon

> 
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index cb212eb..c1ad573 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -513,10 +513,10 @@ config GPIO_104_IDI_48
>  	  via the idi_48_irq module parameter.
>  
>  config GPIO_F7188X
> -	tristate "F71869, F71869A, F71882FG and F71889F GPIO support"
> +	tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
>  	help
>  	  This option enables support for GPIOs found on Fintek Super-I/O
> -	  chips F71869, F71869A, F71882FG and F71889F.
> +	  chips F71869, F71869A, F71882FG, F71889F and F81866.
>  
>  	  To compile this driver as a module, choose M here: the module will
>  	  be called f7188x-gpio.
> diff --git a/drivers/gpio/gpio-f7188x.c b/drivers/gpio/gpio-f7188x.c
> index d62fd6b..0417798 100644
> --- a/drivers/gpio/gpio-f7188x.c
> +++ b/drivers/gpio/gpio-f7188x.c
> @@ -1,5 +1,5 @@
>  /*
> - * GPIO driver for Fintek Super-I/O F71869, F71869A, F71882 and F71889
> + * GPIO driver for Fintek Super-I/O F71869, F71869A, F71882, F71889 and F81866
>   *
>   * Copyright (C) 2010-2013 LaCie
>   *
> @@ -36,14 +36,16 @@
>  #define SIO_F71869A_ID		0x1007	/* F71869A chipset ID */
>  #define SIO_F71882_ID		0x0541	/* F71882 chipset ID */
>  #define SIO_F71889_ID		0x0909	/* F71889 chipset ID */
> +#define SIO_F81866_ID		0x1010	/* F81866 chipset ID */
>  
> -enum chips { f71869, f71869a, f71882fg, f71889f };
> +enum chips { f71869, f71869a, f71882fg, f71889f, f81866 };
>  
>  static const char * const f7188x_names[] = {
>  	"f71869",
>  	"f71869a",
>  	"f71882fg",
>  	"f71889f",
> +	"f81866",
>  };
>  
>  struct f7188x_sio {
> @@ -190,6 +192,18 @@ static struct f7188x_gpio_bank f71889_gpio_bank[] = {
>  	F7188X_GPIO_BANK(70, 8, 0x80),
>  };
>  
> +static struct f7188x_gpio_bank f81866_gpio_bank[] = {
> +	F7188X_GPIO_BANK(0, 8, 0xF0),
> +	F7188X_GPIO_BANK(10, 8, 0xE0),
> +	F7188X_GPIO_BANK(20, 8, 0xD0),
> +	F7188X_GPIO_BANK(30, 8, 0xC0),
> +	F7188X_GPIO_BANK(40, 8, 0xB0),
> +	F7188X_GPIO_BANK(50, 8, 0xA0),
> +	F7188X_GPIO_BANK(60, 8, 0x90),
> +	F7188X_GPIO_BANK(70, 8, 0x80),
> +	F7188X_GPIO_BANK(80, 8, 0x88),
> +};
> +
>  static int f7188x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
>  {
>  	int err;
> @@ -318,6 +332,10 @@ static int f7188x_gpio_probe(struct platform_device *pdev)
>  		data->nr_bank = ARRAY_SIZE(f71889_gpio_bank);
>  		data->bank = f71889_gpio_bank;
>  		break;
> +	case f81866:
> +		data->nr_bank = ARRAY_SIZE(f81866_gpio_bank);
> +		data->bank = f81866_gpio_bank;
> +		break;
>  	default:
>  		return -ENODEV;
>  	}
> @@ -395,6 +413,9 @@ static int __init f7188x_find(int addr, struct f7188x_sio *sio)
>  	case SIO_F71889_ID:
>  		sio->type = f71889f;
>  		break;
> +	case SIO_F81866_ID:
> +		sio->type = f81866;
> +		break;
>  	default:
>  		pr_info(DRVNAME ": Unsupported Fintek device 0x%04x\n", devid);
>  		goto err;
> @@ -485,6 +506,6 @@ static void __exit f7188x_gpio_exit(void)
>  }
>  module_exit(f7188x_gpio_exit);
>  
> -MODULE_DESCRIPTION("GPIO driver for Super-I/O chips F71869, F71869A, F71882FG and F71889F");
> +MODULE_DESCRIPTION("GPIO driver for Super-I/O chips F71869, F71869A, F71882FG, F71889F and F81866");
>  MODULE_AUTHOR("Simon Guinot <simon.guinot@...uanux.org>");
>  MODULE_LICENSE("GPL");
> -- 
> 1.9.1

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