linux-kernel - Re: [PATCH 02/12] pinctrl: samsung: Add Exynos850 SoC specific data

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <a2b6b868-e984-440c-75b1-599680537cc9@canonical.com>
Date:   Fri, 30 Jul 2021 17:22:45 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Sam Protsenko <semen.protsenko@...aro.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Tomasz Figa <tomasz.figa@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Jiri Slaby <jirislaby@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
        Ryu Euiyoul <ryu.real@...sung.com>,
        Tom Gall <tom.gall@...aro.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        John Stultz <john.stultz@...aro.org>,
        Amit Pundir <amit.pundir@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: Re: [PATCH 02/12] pinctrl: samsung: Add Exynos850 SoC specific data

On 30/07/2021 16:49, Sam Protsenko wrote:
> Add Samsung Exynos850 SoC specific data to enable pinctrl support for
> all platforms based on Exynos850.
> 
> Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
> ---
>  .../pinctrl/samsung/pinctrl-exynos-arm64.c    | 129 ++++++++++++++++++
>  drivers/pinctrl/samsung/pinctrl-exynos.h      |  29 ++++
>  drivers/pinctrl/samsung/pinctrl-samsung.c     |   2 +
>  drivers/pinctrl/samsung/pinctrl-samsung.h     |   1 +
>  4 files changed, 161 insertions(+)
> 
> diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
> index b6e56422a700..9c71ff84ba7e 100644
> --- a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
> +++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
> @@ -40,6 +40,24 @@ static const struct samsung_pin_bank_type exynos5433_bank_type_alive = {
>  	.reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
>  };
>  
> +/*
> + * Bank type for non-alive type. Bit fields:
> + * CON: 4, DAT: 1, PUD: 4, DRV: 4, CONPDN: 2, PUDPDN: 4
> + */
> +static struct samsung_pin_bank_type exynos850_bank_type_off  = {
> +	.fld_width = { 4, 1, 4, 4, 2, 4, },
> +	.reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, },
> +};
> +
> +/*
> + * Bank type for alive type. Bit fields:
> + * CON: 4, DAT: 1, PUD: 4, DRV: 4
> + */
> +static struct samsung_pin_bank_type exynos850_bank_type_alive = {
> +	.fld_width = { 4, 1, 4, 4, },
> +	.reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
> +};
> +
>  /* Pad retention control code for accessing PMU regmap */
>  static atomic_t exynos_shared_retention_refcnt;
>  
> @@ -422,3 +440,114 @@ const struct samsung_pinctrl_of_match_data exynos7_of_data __initconst = {
>  	.ctrl		= exynos7_pin_ctrl,
>  	.num_ctrl	= ARRAY_SIZE(exynos7_pin_ctrl),
>  };
> +
> +/* pin banks of exynos850 pin-controller 0 (ALIVE) */
> +static struct samsung_pin_bank_data exynos850_pin_banks0[] = {
> +	/* Must start with EINTG banks, ordered by EINT group number. */
> +	EXYNOS9_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00),

Why EXYNOS9 not EXYNOS850? Is it really shared with 96xx, 98xx and 9x0
series?

> +	EXYNOS9_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04),
> +	EXYNOS9_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08),
> +	EXYNOS9_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c),
> +	EXYNOS9_PIN_BANK_EINTW(4, 0x080, "gpa4", 0x10),
> +	EXYNOS9_PIN_BANK_EINTN(3, 0x0A0, "gpq0"),
> +};
> +
> +/* pin banks of exynos850 pin-controller 1 (CMGP) */
> +static struct samsung_pin_bank_data exynos850_pin_banks1[] = {
> +	/* Must start with EINTG banks, ordered by EINT group number. */
> +	EXYNOS9_PIN_BANK_EINTW(1, 0x000, "gpm0", 0x00),
> +	EXYNOS9_PIN_BANK_EINTW(1, 0x020, "gpm1", 0x04),
> +	EXYNOS9_PIN_BANK_EINTW(1, 0x040, "gpm2", 0x08),
> +	EXYNOS9_PIN_BANK_EINTW(1, 0x060, "gpm3", 0x0C),
> +	EXYNOS9_PIN_BANK_EINTW(1, 0x080, "gpm4", 0x10),
> +	EXYNOS9_PIN_BANK_EINTW(1, 0x0A0, "gpm5", 0x14),
> +	EXYNOS9_PIN_BANK_EINTW(1, 0x0C0, "gpm6", 0x18),
> +	EXYNOS9_PIN_BANK_EINTW(1, 0x0E0, "gpm7", 0x1C),
> +};
> +
> +/* pin banks of exynos850 pin-controller 2 (AUD) */
> +static struct samsung_pin_bank_data exynos850_pin_banks2[] = {
> +	/* Must start with EINTG banks, ordered by EINT group number. */
> +	EXYNOS9_PIN_BANK_EINTG(5, 0x000, "gpb0", 0x00),
> +	EXYNOS9_PIN_BANK_EINTG(5, 0x020, "gpb1", 0x04),
> +};
> +
> +/* pin banks of exynos850 pin-controller 3 (HSI) */
> +static struct samsung_pin_bank_data exynos850_pin_banks3[] = {
> +	/* Must start with EINTG banks, ordered by EINT group number. */
> +	EXYNOS9_PIN_BANK_EINTG(6, 0x000, "gpf2", 0x00),
> +};
> +
> +/* pin banks of exynos850 pin-controller 4 (CORE) */
> +static struct samsung_pin_bank_data exynos850_pin_banks4[] = {
> +	/* Must start with EINTG banks, ordered by EINT group number. */
> +	EXYNOS9_PIN_BANK_EINTG(4, 0x000, "gpf0", 0x00),
> +	EXYNOS9_PIN_BANK_EINTG(8, 0x020, "gpf1", 0x04),
> +};
> +
> +/* pin banks of exynos850 pin-controller 5 (PERI) */
> +static struct samsung_pin_bank_data exynos850_pin_banks5[] = {
> +	/* Must start with EINTG banks, ordered by EINT group number. */
> +	EXYNOS9_PIN_BANK_EINTG(2, 0x000, "gpg0", 0x00),
> +	EXYNOS9_PIN_BANK_EINTG(6, 0x020, "gpp0", 0x04),
> +	EXYNOS9_PIN_BANK_EINTG(4, 0x040, "gpp1", 0x08),
> +	EXYNOS9_PIN_BANK_EINTG(4, 0x060, "gpp2", 0x0C),
> +	EXYNOS9_PIN_BANK_EINTG(8, 0x080, "gpg1", 0x10),
> +	EXYNOS9_PIN_BANK_EINTG(8, 0x0A0, "gpg2", 0x14),
> +	EXYNOS9_PIN_BANK_EINTG(1, 0x0C0, "gpg3", 0x18),
> +	EXYNOS9_PIN_BANK_EINTG(3, 0x0E0, "gpc0", 0x1C),
> +	EXYNOS9_PIN_BANK_EINTG(6, 0x100, "gpc1", 0x20),
> +};
> +
> +static const struct samsung_pin_ctrl exynos850_pin_ctrl[] __initconst = {
> +	{
> +		/* pin-controller instance 0 ALIVE data */
> +		.pin_banks	= exynos850_pin_banks0,
> +		.nr_banks	= ARRAY_SIZE(exynos850_pin_banks0),
> +		.eint_gpio_init = exynos_eint_gpio_init,
> +		.eint_wkup_init = exynos_eint_wkup_init,
> +		.suspend	= exynos_pinctrl_suspend,
> +		.resume		= exynos_pinctrl_resume,

I guess retention registers will follow sometime later.

Best regards,
Krzysztof