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Message-ID: <759b2df004e2445e850a01b33e748972@siemens.com>
Date: Fri, 28 Apr 2023 08:26:18 +0000
From: "Wu, Xing Tong" <XingTong.Wu@...mens.com>
To: 'Simon Guinot' <simon.guinot@...uanux.org>,
"Schild, Henning" <henning.schild@...mens.com>
CC: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Hans de Goede <hdegoede@...hat.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: RE: [PATCH v2 1/1] gpio-f7188x: fix chip name and pin count on
Nuvoton chip
Hi all
The chip id of NCT6116D is 0XD281, you can refer to NCT6116D_Datasheet_V1_0.pdf, Page 291
BRS
Xing Tong Wu
-----Original Message-----
From: Simon Guinot <simon.guinot@...uanux.org>
Sent: Friday, April 28, 2023 4:18 PM
To: Schild, Henning (T CED SES-DE) <henning.schild@...mens.com>
Cc: Linus Walleij <linus.walleij@...aro.org>; Bartosz Golaszewski <brgl@...ev.pl>; linux-gpio@...r.kernel.org; linux-kernel@...r.kernel.org; Hans de Goede <hdegoede@...hat.com>; Andy Shevchenko <andriy.shevchenko@...ux.intel.com>; Wu, Xing Tong (DI FA CTR IPC CN PRC4) <XingTong.Wu@...mens.com>
Subject: Re: [PATCH v2 1/1] gpio-f7188x: fix chip name and pin count on Nuvoton chip
On Thu, Apr 27, 2023 at 05:20:55PM +0200, Henning Schild wrote:
> In fact the device with chip id 0xD283 is called NCT6126D, and that is
> the chip id the Nuvoton code was written for. Correct that name to
> avoid confusion, because a NCT6116D in fact exists as well but has
> another chip id, and is currently not supported.
>
> The look at the spec also revealed that GPIO group7 in fact has 8
> pins, so correct the pin count in that group as well.
>
> Fixes: d0918a84aff0 ("gpio-f7188x: Add GPIO support for Nuvoton
> NCT6116")
> Reported-by: Xing Tong Wu <xingtong.wu@...mens.com>
> Signed-off-by: Henning Schild <henning.schild@...mens.com>
Acked-by: Simon Guinot <simon.guinot@...uanux.org>
> ---
> drivers/gpio/Kconfig | 2 +-
> drivers/gpio/gpio-f7188x.c | 28 ++++++++++++++--------------
> 2 files changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index
> badbe0582318..14b655411aa0 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -879,7 +879,7 @@ config GPIO_F7188X
> help
> This option enables support for GPIOs found on Fintek Super-I/O
> chips F71869, F71869A, F71882FG, F71889F and F81866.
> - As well as Nuvoton Super-I/O chip NCT6116D.
> + As well as Nuvoton Super-I/O chip NCT6126D.
>
> 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 9effa7769bef..f54ca5a1775e 100644
> --- a/drivers/gpio/gpio-f7188x.c
> +++ b/drivers/gpio/gpio-f7188x.c
> @@ -48,7 +48,7 @@
> /*
> * Nuvoton devices.
> */
> -#define SIO_NCT6116D_ID 0xD283 /* NCT6116D chipset ID */
> +#define SIO_NCT6126D_ID 0xD283 /* NCT6126D chipset ID */
>
> #define SIO_LD_GPIO_NUVOTON 0x07 /* GPIO logical device */
>
> @@ -62,7 +62,7 @@ enum chips {
> f81866,
> f81804,
> f81865,
> - nct6116d,
> + nct6126d,
> };
>
> static const char * const f7188x_names[] = { @@ -74,7 +74,7 @@ static
> const char * const f7188x_names[] = {
> "f81866",
> "f81804",
> "f81865",
> - "nct6116d",
> + "nct6126d",
> };
>
> struct f7188x_sio {
> @@ -187,8 +187,8 @@ static int f7188x_gpio_set_config(struct gpio_chip
> *chip, unsigned offset,
> /* Output mode register (0:open drain 1:push-pull). */ #define
> f7188x_gpio_out_mode(base) ((base) + 3)
>
> -#define f7188x_gpio_dir_invert(type) ((type) == nct6116d)
> -#define f7188x_gpio_data_single(type) ((type) == nct6116d)
> +#define f7188x_gpio_dir_invert(type) ((type) == nct6126d)
> +#define f7188x_gpio_data_single(type) ((type) == nct6126d)
>
> static struct f7188x_gpio_bank f71869_gpio_bank[] = {
> F7188X_GPIO_BANK(0, 6, 0xF0, DRVNAME "-0"), @@ -274,7 +274,7 @@
> static struct f7188x_gpio_bank f81865_gpio_bank[] = {
> F7188X_GPIO_BANK(60, 5, 0x90, DRVNAME "-6"), };
>
> -static struct f7188x_gpio_bank nct6116d_gpio_bank[] = {
> +static struct f7188x_gpio_bank nct6126d_gpio_bank[] = {
> F7188X_GPIO_BANK(0, 8, 0xE0, DRVNAME "-0"),
> F7188X_GPIO_BANK(10, 8, 0xE4, DRVNAME "-1"),
> F7188X_GPIO_BANK(20, 8, 0xE8, DRVNAME "-2"), @@ -282,7 +282,7 @@
> static struct f7188x_gpio_bank nct6116d_gpio_bank[] = {
> F7188X_GPIO_BANK(40, 8, 0xF0, DRVNAME "-4"),
> F7188X_GPIO_BANK(50, 8, 0xF4, DRVNAME "-5"),
> F7188X_GPIO_BANK(60, 8, 0xF8, DRVNAME "-6"),
> - F7188X_GPIO_BANK(70, 1, 0xFC, DRVNAME "-7"),
> + F7188X_GPIO_BANK(70, 8, 0xFC, DRVNAME "-7"),
> };
>
> static int f7188x_gpio_get_direction(struct gpio_chip *chip, unsigned
> offset) @@ -490,9 +490,9 @@ static int f7188x_gpio_probe(struct platform_device *pdev)
> data->nr_bank = ARRAY_SIZE(f81865_gpio_bank);
> data->bank = f81865_gpio_bank;
> break;
> - case nct6116d:
> - data->nr_bank = ARRAY_SIZE(nct6116d_gpio_bank);
> - data->bank = nct6116d_gpio_bank;
> + case nct6126d:
> + data->nr_bank = ARRAY_SIZE(nct6126d_gpio_bank);
> + data->bank = nct6126d_gpio_bank;
> break;
> default:
> return -ENODEV;
> @@ -559,9 +559,9 @@ static int __init f7188x_find(int addr, struct f7188x_sio *sio)
> case SIO_F81865_ID:
> sio->type = f81865;
> break;
> - case SIO_NCT6116D_ID:
> + case SIO_NCT6126D_ID:
> sio->device = SIO_LD_GPIO_NUVOTON;
> - sio->type = nct6116d;
> + sio->type = nct6126d;
> break;
> default:
> pr_info("Unsupported Fintek device 0x%04x\n", devid); @@ -569,7
> +569,7 @@ static int __init f7188x_find(int addr, struct f7188x_sio *sio)
> }
>
> /* double check manufacturer where possible */
> - if (sio->type != nct6116d) {
> + if (sio->type != nct6126d) {
> manid = superio_inw(addr, SIO_FINTEK_MANID);
> if (manid != SIO_FINTEK_ID) {
> pr_debug("Not a Fintek device at 0x%08x\n", addr); @@ -581,7
> +581,7 @@ static int __init f7188x_find(int addr, struct f7188x_sio *sio)
> err = 0;
>
> pr_info("Found %s at %#x\n", f7188x_names[sio->type], (unsigned int)addr);
> - if (sio->type != nct6116d)
> + if (sio->type != nct6126d)
> pr_info(" revision %d\n", superio_inb(addr, SIO_FINTEK_DEVREV));
>
> err:
> --
> 2.39.2
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