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Date: Mon, 19 Apr 2021 20:47:42 -0700
From: Sean Wang <sean.wang@...nel.org>
To: Zhiyong Tao <zhiyong.tao@...iatek.com>
Cc: Rob Herring <robh+dt@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Mark Rutland <mark.rutland@....com>,
Matthias Brugger <matthias.bgg@...il.com>,
srv_heupstream <srv_heupstream@...iatek.com>,
hui.liu@...iatek.com,
Eddie Huang (黃智傑)
<eddie.huang@...iatek.com>, jg_poxu@...iatek.com,
Biao Huang <biao.huang@...iatek.com>,
Hongzhou Yang <hongzhou.yang@...iatek.com>,
Sean Wang (王志亘) <sean.wang@...iatek.com>,
seiya.wang@...iatek.com,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org>,
linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>,
"open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH v4 3/4] pinctrl: add drive for I2C related pins on MT8195
On Mon, Apr 12, 2021 at 10:57 PM Zhiyong Tao <zhiyong.tao@...iatek.com> wrote:
>
> This patch provides the advanced drive raw data setting version
> for I2C used pins on MT8195.
>
> Signed-off-by: Zhiyong Tao <zhiyong.tao@...iatek.com>
Acked-by: Sean Wang <sean.wang@...nel.org>
> ---
> drivers/pinctrl/mediatek/pinctrl-mt8195.c | 22 +++++++++++++++++++
> .../pinctrl/mediatek/pinctrl-mtk-common-v2.c | 14 ++++++++++++
> .../pinctrl/mediatek/pinctrl-mtk-common-v2.h | 5 +++++
> 3 files changed, 41 insertions(+)
>
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8195.c b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
> index 063f164d7c9b..a7500e18bb1d 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mt8195.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
> @@ -760,6 +760,25 @@ static const struct mtk_pin_field_calc mt8195_pin_drv_range[] = {
> PIN_FIELD_BASE(143, 143, 1, 0x020, 0x10, 24, 3),
> };
>
> +static const struct mtk_pin_field_calc mt8195_pin_drv_adv_range[] = {
> + PIN_FIELD_BASE(8, 8, 4, 0x020, 0x10, 15, 3),
> + PIN_FIELD_BASE(9, 9, 4, 0x020, 0x10, 0, 3),
> + PIN_FIELD_BASE(10, 10, 4, 0x020, 0x10, 18, 3),
> + PIN_FIELD_BASE(11, 11, 4, 0x020, 0x10, 3, 3),
> + PIN_FIELD_BASE(12, 12, 4, 0x020, 0x10, 21, 3),
> + PIN_FIELD_BASE(13, 13, 4, 0x020, 0x10, 6, 3),
> + PIN_FIELD_BASE(14, 14, 4, 0x020, 0x10, 24, 3),
> + PIN_FIELD_BASE(15, 15, 4, 0x020, 0x10, 9, 3),
> + PIN_FIELD_BASE(16, 16, 4, 0x020, 0x10, 27, 3),
> + PIN_FIELD_BASE(17, 17, 4, 0x020, 0x10, 12, 3),
> + PIN_FIELD_BASE(29, 29, 2, 0x020, 0x10, 0, 3),
> + PIN_FIELD_BASE(30, 30, 2, 0x020, 0x10, 3, 3),
> + PIN_FIELD_BASE(34, 34, 1, 0x040, 0x10, 0, 3),
> + PIN_FIELD_BASE(35, 35, 1, 0x040, 0x10, 3, 3),
> + PIN_FIELD_BASE(44, 44, 1, 0x040, 0x10, 6, 3),
> + PIN_FIELD_BASE(45, 45, 1, 0x040, 0x10, 9, 3),
> +};
> +
> static const struct mtk_pin_reg_calc mt8195_reg_cals[PINCTRL_PIN_REG_MAX] = {
> [PINCTRL_PIN_REG_MODE] = MTK_RANGE(mt8195_pin_mode_range),
> [PINCTRL_PIN_REG_DIR] = MTK_RANGE(mt8195_pin_dir_range),
> @@ -773,6 +792,7 @@ static const struct mtk_pin_reg_calc mt8195_reg_cals[PINCTRL_PIN_REG_MAX] = {
> [PINCTRL_PIN_REG_PUPD] = MTK_RANGE(mt8195_pin_pupd_range),
> [PINCTRL_PIN_REG_R0] = MTK_RANGE(mt8195_pin_r0_range),
> [PINCTRL_PIN_REG_R1] = MTK_RANGE(mt8195_pin_r1_range),
> + [PINCTRL_PIN_REG_DRV_ADV] = MTK_RANGE(mt8195_pin_drv_adv_range),
> };
>
> static const char * const mt8195_pinctrl_register_base_names[] = {
> @@ -801,6 +821,8 @@ static const struct mtk_pin_soc mt8195_data = {
> .bias_get_combo = mtk_pinconf_bias_get_combo,
> .drive_set = mtk_pinconf_drive_set_rev1,
> .drive_get = mtk_pinconf_drive_get_rev1,
> + .adv_drive_get = mtk_pinconf_adv_drive_get_raw,
> + .adv_drive_set = mtk_pinconf_adv_drive_set_raw,
> };
>
> static const struct of_device_id mt8195_pinctrl_of_match[] = {
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
> index 72f17f26acd8..2b51f4a9b860 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
> @@ -1027,6 +1027,20 @@ int mtk_pinconf_adv_drive_get(struct mtk_pinctrl *hw,
> }
> EXPORT_SYMBOL_GPL(mtk_pinconf_adv_drive_get);
>
> +int mtk_pinconf_adv_drive_set_raw(struct mtk_pinctrl *hw,
> + const struct mtk_pin_desc *desc, u32 arg)
> +{
> + return mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_DRV_ADV, arg);
> +}
> +EXPORT_SYMBOL_GPL(mtk_pinconf_adv_drive_set_raw);
> +
> +int mtk_pinconf_adv_drive_get_raw(struct mtk_pinctrl *hw,
> + const struct mtk_pin_desc *desc, u32 *val)
> +{
> + return mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_DRV_ADV, val);
> +}
> +EXPORT_SYMBOL_GPL(mtk_pinconf_adv_drive_get_raw);
> +
> MODULE_LICENSE("GPL v2");
> MODULE_AUTHOR("Sean Wang <sean.wang@...iatek.com>");
> MODULE_DESCRIPTION("Pin configuration library module for mediatek SoCs");
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
> index e2aae285b5fc..fd5ce9c5dcbd 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
> +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
> @@ -66,6 +66,7 @@ enum {
> PINCTRL_PIN_REG_DRV_EN,
> PINCTRL_PIN_REG_DRV_E0,
> PINCTRL_PIN_REG_DRV_E1,
> + PINCTRL_PIN_REG_DRV_ADV,
> PINCTRL_PIN_REG_MAX,
> };
>
> @@ -314,6 +315,10 @@ int mtk_pinconf_adv_drive_set(struct mtk_pinctrl *hw,
> const struct mtk_pin_desc *desc, u32 arg);
> int mtk_pinconf_adv_drive_get(struct mtk_pinctrl *hw,
> const struct mtk_pin_desc *desc, u32 *val);
> +int mtk_pinconf_adv_drive_set_raw(struct mtk_pinctrl *hw,
> + const struct mtk_pin_desc *desc, u32 arg);
> +int mtk_pinconf_adv_drive_get_raw(struct mtk_pinctrl *hw,
> + const struct mtk_pin_desc *desc, u32 *val);
>
> bool mtk_is_virt_gpio(struct mtk_pinctrl *hw, unsigned int gpio_n);
> #endif /* __PINCTRL_MTK_COMMON_V2_H */
> --
> 2.18.0
>
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