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Message-ID: <532dab9f-a002-5b12-5faf-b50331e12658@gmail.com>
Date: Wed, 4 Sep 2024 11:51:27 +0300
From: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
To: Sam Protsenko <semen.protsenko@...aro.org>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>,
Sylwester Nawrocki <s.nawrocki@...sung.com>,
Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh+dt@...nel.org>,
linux-samsung-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 05/10] pinctrl: samsung: Add exynos8895 SoC pinctrl
configuration
On 9/4/24 00:20, Sam Protsenko wrote:
> On Tue, Sep 3, 2024 at 7:46 AM Ivaylo Ivanov
> <ivo.ivanov.ivanov1@...il.com> wrote:
>> Add support for the pin-controller found on the Exynos8895 SoC
>> used in Samsung Galaxy S8 and S8 Plus phones.
>>
>> It has a newly applied pinctrl register layer for FSYS0 with a
>> different bank type offset that consists of the following bit
>> fields:
>>
>> CON: 4, DAT: 1, PUD: 2, DRV: 3, CONPDN: 2, PUDPDN: 2
>>
>> Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
>> ---
> Other than minor comments below, LGTM:
>
> Reviewed-by: Sam Protsenko <semen.protsenko@...aro.org>
Thanks for the review! Will fix the issues in the following series.
Sincerely,
Ivaylo
>> .../pinctrl/samsung/pinctrl-exynos-arm64.c | 137 ++++++++++++++++++
>> drivers/pinctrl/samsung/pinctrl-exynos.h | 10 ++
>> drivers/pinctrl/samsung/pinctrl-samsung.c | 2 +
>> drivers/pinctrl/samsung/pinctrl-samsung.h | 1 +
>> 4 files changed, 150 insertions(+)
>>
>> diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
>> index 5480e0884..0d5d14cf0 100644
>> --- a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
>> +++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
>> @@ -58,6 +58,15 @@ static const struct samsung_pin_bank_type exynos850_bank_type_alive = {
>> .reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
>> };
>>
>> +/*
>> + * Bank type for non-alive type. Bit fields:
>> + * CON: 4, DAT: 1, PUD: 2, DRV: 3, CONPDN: 2, PUDPDN: 2
>> + */
>> +static const struct samsung_pin_bank_type exynos8895_bank_type_off = {
>> + .fld_width = { 4, 1, 2, 3, 2, 2, },
>> + .reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, },
>> +};
>> +
>> /* Pad retention control code for accessing PMU regmap */
>> static atomic_t exynos_shared_retention_refcnt;
>>
>> @@ -866,6 +875,134 @@ const struct samsung_pinctrl_of_match_data exynosautov920_of_data __initconst =
>> .num_ctrl = ARRAY_SIZE(exynosautov920_pin_ctrl),
>> };
>>
>> +/* pin banks of exynos8895 pin-controller 0 (ALIVE) */
>> +static const struct samsung_pin_bank_data exynos8895_pin_banks0[] __initconst = {
>> + EXYNOS_PIN_BANK_EINTW(8, 0x020, "gpa0", 0x00),
>> + EXYNOS_PIN_BANK_EINTW(8, 0x040, "gpa1", 0x04),
>> + EXYNOS_PIN_BANK_EINTW(8, 0x060, "gpa2", 0x08),
>> + EXYNOS_PIN_BANK_EINTW(8, 0x080, "gpa3", 0x0c),
>> + EXYNOS_PIN_BANK_EINTW(7, 0x0A0, "gpa4", 0x24),
>> +};
>> +
>> +/* pin banks of exynos8895 pin-controller 1 (ABOX) */
>> +static const struct samsung_pin_bank_data exynos8895_pin_banks1[] __initconst = {
>> + EXYNOS_PIN_BANK_EINTG(8, 0x000, "gph0", 0x00),
>> + EXYNOS_PIN_BANK_EINTG(7, 0x020, "gph1", 0x04),
>> + EXYNOS_PIN_BANK_EINTG(4, 0x040, "gph3", 0x08),
>> +};
>> +
>> +/* pin banks of exynos8895 pin-controller 2 (VTS) */
>> +static const struct samsung_pin_bank_data exynos8895_pin_banks2[] __initconst = {
>> + EXYNOS_PIN_BANK_EINTG(3, 0x000, "gph2", 0x00),
>> +};
>> +
>> +/* pin banks of exynos8895 pin-controller 3 (FSYS0) */
>> +static const struct samsung_pin_bank_data exynos8895_pin_banks3[] __initconst = {
>> + EXYNOS8895_PIN_BANK_EINTG(3, 0x000, "gpi0", 0x00),
>> + EXYNOS8895_PIN_BANK_EINTG(8, 0x020, "gpi1", 0x04),
>> +};
>> +
>> +/* pin banks of exynos8895 pin-controller 4 (FSYS1) */
>> +static const struct samsung_pin_bank_data exynos8895_pin_banks4[] __initconst = {
>> + EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpj1", 0x00),
>> + EXYNOS_PIN_BANK_EINTG(7, 0x020, "gpj0", 0x04),
>> +};
>> +
>> +/* pin banks of exynos8895 pin-controller 5 (BUSC) */
>> +static const struct samsung_pin_bank_data exynos8895_pin_banks5[] __initconst = {
>> + EXYNOS_PIN_BANK_EINTG(2, 0x000, "gpb2", 0x00),
>> +};
>> +
>> +/* pin banks of exynos8895 pin-controller 6 (PERIC0) */
>> +static const struct samsung_pin_bank_data exynos8895_pin_banks6[] __initconst = {
>> + EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpd0", 0x00),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpd1", 0x04),
>> + EXYNOS_PIN_BANK_EINTG(4, 0x040, "gpd2", 0x08),
>> + EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpd3", 0x0C),
> Here and below: please use lower-case letters for hex values. So 0x0C
> -> 0x0c, etc.
>
>> + EXYNOS_PIN_BANK_EINTG(4, 0x080, "gpb1", 0x10),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x0A0, "gpe7", 0x14),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x0C0, "gpf1", 0x18),
>> +};
>> +
>> +/* pin banks of exynos8895 pin-controller 7 (PERIC1) */
>> +static const struct samsung_pin_bank_data exynos8895_pin_banks7[] __initconst = {
>> + EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpb0", 0x00),
>> + EXYNOS_PIN_BANK_EINTG(5, 0x020, "gpc0", 0x04),
>> + EXYNOS_PIN_BANK_EINTG(5, 0x040, "gpc1", 0x08),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpc2", 0x0C),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpc3", 0x10),
>> + EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpk0", 0x14),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x0C0, "gpe5", 0x18),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x0e0, "gpe6", 0x1C),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpe2", 0x20),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpe3", 0x24),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpe4", 0x28),
>> + EXYNOS_PIN_BANK_EINTG(4, 0x160, "gpf0", 0x2C),
>> + EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpe1", 0x30),
>> + EXYNOS_PIN_BANK_EINTG(2, 0x1A0, "gpg0", 0x34),
>> +};
>> +
>> +static const struct samsung_pin_ctrl exynos8895_pin_ctrl[] __initconst = {
>> + {
>> + /* pin-controller instance 0 Alive data */
> Wouldn't it be better to capitalize it, i.e. Alive -> ALIVE?
Yeah that'd be better.
>> + .pin_banks = exynos8895_pin_banks0,
>> + .nr_banks = ARRAY_SIZE(exynos8895_pin_banks0),
>> + .eint_gpio_init = exynos_eint_gpio_init,
>> + .eint_wkup_init = exynos_eint_wkup_init,
>> + .suspend = exynos_pinctrl_suspend,
>> + .resume = exynos_pinctrl_resume,
>> + }, {
>> + /* pin-controller instance 1 ABOX data */
>> + .pin_banks = exynos8895_pin_banks1,
>> + .nr_banks = ARRAY_SIZE(exynos8895_pin_banks1),
>> + }, {
>> + /* pin-controller instance 2 VTS data */
>> + .pin_banks = exynos8895_pin_banks2,
>> + .nr_banks = ARRAY_SIZE(exynos8895_pin_banks2),
>> + .eint_gpio_init = exynos_eint_gpio_init,
>> + }, {
>> + /* pin-controller instance 3 FSYS0 data */
>> + .pin_banks = exynos8895_pin_banks3,
>> + .nr_banks = ARRAY_SIZE(exynos8895_pin_banks3),
>> + .eint_gpio_init = exynos_eint_gpio_init,
>> + .suspend = exynos_pinctrl_suspend,
>> + .resume = exynos_pinctrl_resume,
>> + }, {
>> + /* pin-controller instance 4 FSYS1 data */
>> + .pin_banks = exynos8895_pin_banks4,
>> + .nr_banks = ARRAY_SIZE(exynos8895_pin_banks4),
>> + .eint_gpio_init = exynos_eint_gpio_init,
>> + .suspend = exynos_pinctrl_suspend,
>> + .resume = exynos_pinctrl_resume,
>> + }, {
>> + /* pin-controller instance 5 BUSC data */
>> + .pin_banks = exynos8895_pin_banks5,
>> + .nr_banks = ARRAY_SIZE(exynos8895_pin_banks5),
>> + .eint_gpio_init = exynos_eint_gpio_init,
>> + .suspend = exynos_pinctrl_suspend,
>> + .resume = exynos_pinctrl_resume,
>> + }, {
>> + /* pin-controller instance 6 PERIC0 data */
>> + .pin_banks = exynos8895_pin_banks6,
>> + .nr_banks = ARRAY_SIZE(exynos8895_pin_banks6),
>> + .eint_gpio_init = exynos_eint_gpio_init,
>> + .suspend = exynos_pinctrl_suspend,
>> + .resume = exynos_pinctrl_resume,
>> + }, {
>> + /* pin-controller instance 7 PERIC1 data */
>> + .pin_banks = exynos8895_pin_banks7,
>> + .nr_banks = ARRAY_SIZE(exynos8895_pin_banks7),
>> + .eint_gpio_init = exynos_eint_gpio_init,
>> + .suspend = exynos_pinctrl_suspend,
>> + .resume = exynos_pinctrl_resume,
>> + },
>> +};
>> +
>> +const struct samsung_pinctrl_of_match_data exynos8895_of_data __initconst = {
>> + .ctrl = exynos8895_pin_ctrl,
>> + .num_ctrl = ARRAY_SIZE(exynos8895_pin_ctrl),
>> +};
>> +
>> /*
>> * Pinctrl driver data for Tesla FSD SoC. FSD SoC includes three
>> * gpio/pin-mux/pinconfig controllers.
>> diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h
>> index 305cb1d31..7b7ff7ffe 100644
>> --- a/drivers/pinctrl/samsung/pinctrl-exynos.h
>> +++ b/drivers/pinctrl/samsung/pinctrl-exynos.h
>> @@ -141,6 +141,16 @@
>> .name = id \
>> }
>>
>> +#define EXYNOS8895_PIN_BANK_EINTG(pins, reg, id, offs) \
>> + { \
>> + .type = &exynos8895_bank_type_off, \
>> + .pctl_offset = reg, \
>> + .nr_pins = pins, \
>> + .eint_type = EINT_TYPE_GPIO, \
>> + .eint_offset = offs, \
>> + .name = id \
>> + }
>> +
>> #define EXYNOSV920_PIN_BANK_EINTG(pins, reg, id, con_offs, mask_offs, pend_offs) \
>> { \
>> .type = &exynos850_bank_type_off, \
>> diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
>> index 623df65a5..ea3214897 100644
>> --- a/drivers/pinctrl/samsung/pinctrl-samsung.c
>> +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
>> @@ -1409,6 +1409,8 @@ static const struct of_device_id samsung_pinctrl_dt_match[] = {
>> .data = &exynos7885_of_data },
>> { .compatible = "samsung,exynos850-pinctrl",
>> .data = &exynos850_of_data },
>> + { .compatible = "samsung,exynos8895-pinctrl",
>> + .data = &exynos8895_of_data },
>> { .compatible = "samsung,exynosautov9-pinctrl",
>> .data = &exynosautov9_of_data },
>> { .compatible = "samsung,exynosautov920-pinctrl",
>> diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h
>> index d50ba6f07..f18877f2f 100644
>> --- a/drivers/pinctrl/samsung/pinctrl-samsung.h
>> +++ b/drivers/pinctrl/samsung/pinctrl-samsung.h
>> @@ -363,6 +363,7 @@ extern const struct samsung_pinctrl_of_match_data exynos5433_of_data;
>> extern const struct samsung_pinctrl_of_match_data exynos7_of_data;
>> extern const struct samsung_pinctrl_of_match_data exynos7885_of_data;
>> extern const struct samsung_pinctrl_of_match_data exynos850_of_data;
>> +extern const struct samsung_pinctrl_of_match_data exynos8895_of_data;
>> extern const struct samsung_pinctrl_of_match_data exynosautov9_of_data;
>> extern const struct samsung_pinctrl_of_match_data exynosautov920_of_data;
>> extern const struct samsung_pinctrl_of_match_data fsd_of_data;
>> --
>> 2.34.1
>>
>>
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