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Message-id: <2781010.V06XcSo7BW@amdc1227>
Date: Tue, 27 Aug 2013 14:22:43 +0200
From: Tomasz Figa <t.figa@...sung.com>
To: Mateusz Krawczuk <m.krawczuk@...tner.samsung.com>
Cc: linus.walleij@...aro.org, thomas.abraham@...aro.org,
kgene.kim@...sung.com, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH 1/4] pinctrl: Add s5pv210 support to pinctrl-exynos
Hi Mateusz,
Is this a series of 4 patches? Apparently I have received only this one.
On Tuesday 27 of August 2013 11:19:31 Mateusz Krawczuk wrote:
> This patch implements pinctrl for s5pv210 and adds required device tree
> bindings.
This should be wrapped to have lines shorter than 80 characters.
>
> Signed-off-by: Mateusz Krawczuk <m.krawczuk@...tner.samsung.com>
> ---
> drivers/pinctrl/Kconfig | 2 +-
> drivers/pinctrl/pinctrl-exynos.c | 58
> +++++++++++++++++++++++++++++++++++++++
> drivers/pinctrl/pinctrl-samsung.c | 3 +-
> drivers/pinctrl/pinctrl-samsung.h | 1 +
> 4 files changed, 62 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
> index bdb1a87..ffe4b49 100644
> --- a/drivers/pinctrl/Kconfig
> +++ b/drivers/pinctrl/Kconfig
> @@ -252,7 +252,7 @@ config PINCTRL_SAMSUNG
>
> config PINCTRL_EXYNOS
> bool "Pinctrl driver data for Samsung EXYNOS SoCs other than 5440"
> - depends on OF && GPIOLIB && ARCH_EXYNOS
> + depends on OF && GPIOLIB && (ARCH_EXYNOS || ARCH_S5PV210)
> select PINCTRL_SAMSUNG
>
> config PINCTRL_EXYNOS5440
> diff --git a/drivers/pinctrl/pinctrl-exynos.c
> b/drivers/pinctrl/pinctrl-exynos.c index a74b3cb..fc3e1d7 100644
> --- a/drivers/pinctrl/pinctrl-exynos.c
> +++ b/drivers/pinctrl/pinctrl-exynos.c
> @@ -660,6 +660,64 @@ static void exynos_pinctrl_resume(struct
> samsung_pinctrl_drv_data *drvdata) exynos_pinctrl_resume_bank(drvdata,
> bank);
> }
>
> +/* pin banks of s5pv210 pin-controller */
> +static struct samsung_pin_bank s5pv210_pin_banks0[] = {
nit: No need for the 0 suffix in the name above, as it's the only pin
controller on S5PV210.
> + EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
> + EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
> + EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
> + EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
> + EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
> + EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpd0", 0x14),
> + EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpd1", 0x18),
> + EXYNOS_PIN_BANK_EINTG(5, 0x0E0, "gpe0", 0x1c),
> + EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpe1", 0x20),
> + EXYNOS_PIN_BANK_EINTG(6, 0x120, "gpf0", 0x24),
> + EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpf1", 0x28),
> + EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpf2", 0x2c),
> + EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf3", 0x30),
> + EXYNOS_PIN_BANK_EINTG(7, 0x1A0, "gpg0", 0x34),
> + EXYNOS_PIN_BANK_EINTG(7, 0x1C0, "gpg1", 0x38),
> + EXYNOS_PIN_BANK_EINTG(7, 0x1E0, "gpg2", 0x3c),
> + EXYNOS_PIN_BANK_EINTG(7, 0x200, "gpg3", 0x40),
> + EXYNOS_PIN_BANK_EINTN(7, 0x220, "gpgi"),
typo: According to the manual, this bank is called GPI.
> + EXYNOS_PIN_BANK_EINTG(8, 0x240, "gpj0", 0x44),
> + EXYNOS_PIN_BANK_EINTG(6, 0x260, "gpj1", 0x48),
> + EXYNOS_PIN_BANK_EINTG(8, 0x280, "gpj2", 0x4c),
> + EXYNOS_PIN_BANK_EINTG(8, 0x2A0, "gpj3", 0x50),
> + EXYNOS_PIN_BANK_EINTG(5, 0x2C0, "gpj4", 0x54),
> + EXYNOS_PIN_BANK_EINTN(8, 0x2E0, "mp01"),
> + EXYNOS_PIN_BANK_EINTN(4, 0x300, "mp02"),
> + EXYNOS_PIN_BANK_EINTN(8, 0x320, "mp03"),
> + EXYNOS_PIN_BANK_EINTN(8, 0x340, "mp04"),
> + EXYNOS_PIN_BANK_EINTN(8, 0x360, "mp05"),
> + EXYNOS_PIN_BANK_EINTN(8, 0x300, "mp06"),
typo: According to the manual, MP05 bank is supposed to be located at offet
0x380...
> + EXYNOS_PIN_BANK_EINTN(8, 0x320, "mp07"),
...and this one at 0x3a0.
Also, what about MP1x and MP2x banks?
> + EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gph0", 0x00),
> + EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gph1", 0x04),
> + EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gph2", 0x08),
> + EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gph3", 0x0c),
> +};
> +
> +struct samsung_pin_ctrl s5pv210_pin_ctrl[] = {
> + {
> + /* pin-controller instance 0 data */
> + .pin_banks = s5pv210_pin_banks0,
> + .nr_banks = ARRAY_SIZE(s5pv210_pin_banks0),
> + .geint_con = EXYNOS_GPIO_ECON_OFFSET,
> + .geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
> + .geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
> + .weint_con = EXYNOS_WKUP_ECON_OFFSET,
> + .weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
> + .weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
> + .svc = EXYNOS_SVC_OFFSET,
> + .eint_gpio_init = exynos_eint_gpio_init,
> + .eint_wkup_init = exynos_eint_wkup_init,
> + .suspend = exynos_pinctrl_suspend,
> + .resume = exynos_pinctrl_resume,
> + .label = "s5pv210-gpio-ctrl0",
> + },
> +};
> +
> /* pin banks of exynos4210 pin-controller 0 */
> static struct samsung_pin_bank exynos4210_pin_banks0[] = {
> EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
> diff --git a/drivers/pinctrl/pinctrl-samsung.c
> b/drivers/pinctrl/pinctrl-samsung.c index 439f2ef..f14b379 100644
> --- a/drivers/pinctrl/pinctrl-samsung.c
> +++ b/drivers/pinctrl/pinctrl-samsung.c
> @@ -878,7 +878,6 @@ static struct samsung_pin_ctrl
> *samsung_pinctrl_get_soc_data( }
> match = of_match_node(samsung_pinctrl_dt_match, node);
> ctrl = (struct samsung_pin_ctrl *)match->data + id;
> -
This change shouldn't belong to this patch.
> bank = ctrl->pin_banks;
> for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
> spin_lock_init(&bank->slock);
> @@ -1113,6 +1112,8 @@ static const struct of_device_id
> samsung_pinctrl_dt_match[] = { .data = (void *)exynos5250_pin_ctrl },
> { .compatible = "samsung,exynos5420-pinctrl",
> .data = (void *)exynos5420_pin_ctrl },
> + { .compatible = "samsung,s5pv210-pinctrl",
> + .data = (void *)s5pv210_pin_ctrl },
> #endif
> #ifdef CONFIG_PINCTRL_S3C64XX
> { .compatible = "samsung,s3c64xx-pinctrl",
> diff --git a/drivers/pinctrl/pinctrl-samsung.h
> b/drivers/pinctrl/pinctrl-samsung.h index 11bb75b..30622d9 100644
> --- a/drivers/pinctrl/pinctrl-samsung.h
> +++ b/drivers/pinctrl/pinctrl-samsung.h
> @@ -260,5 +260,6 @@ extern struct samsung_pin_ctrl s3c2412_pin_ctrl[];
> extern struct samsung_pin_ctrl s3c2416_pin_ctrl[];
> extern struct samsung_pin_ctrl s3c2440_pin_ctrl[];
> extern struct samsung_pin_ctrl s3c2450_pin_ctrl[];
> +extern struct samsung_pin_ctrl s5pv210_pin_ctrl[];
>
> #endif /* __PINCTRL_SAMSUNG_H */
You should also extend pinctrl-samsung device tree binding documentation[1]
to mention about S5PV210 as well.
[1] Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
Best regards,
Tomasz
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