2021-04-22 03:37:35

by Zhiyong Tao

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Subject: [PATCH v5 0/1] Mediatek pinctrl patch on mt8195

This series includes 1 patches:
1.add pinctrl rsel setting on MT8195.

Changes in patch v5:
1)document and driver patches are applied.
2)change '-EOPNOTSUPP' to '-ENOTSUPP'

Changes in patch v4:
1)fix pinctrl-mt8195.yaml warning error.
2)remove pinctrl device node patch which is based on "mt8195.dtsi".

Changes in patch v3:
1)change '^pins' to '-pins$'.
2)change 'state_0_node_a' to 'gpio_pin' which is defined in dts.
3)change 'state_0_node_b' to 'i2c0_pin' which is defined in dts.
4)reorder this series patches. change pinctrl file and binding document
together in one patch.

There are no changes in v1 & v2.

Zhiyong Tao (1):
pinctrl: add rsel setting on MT8195

drivers/pinctrl/mediatek/pinctrl-mt8195.c | 22 +++++++++++++++++++
.../pinctrl/mediatek/pinctrl-mtk-common-v2.c | 14 ++++++++++++
.../pinctrl/mediatek/pinctrl-mtk-common-v2.h | 10 +++++++++
drivers/pinctrl/mediatek/pinctrl-paris.c | 16 ++++++++++++++
4 files changed, 62 insertions(+)

--
2.18.0



2021-04-22 03:37:50

by Zhiyong Tao

[permalink] [raw]
Subject: [PATCH v5] pinctrl: add rsel setting on MT8195

This patch provides rsel setting on MT8195.

Signed-off-by: Zhiyong Tao <[email protected]>
---
drivers/pinctrl/mediatek/pinctrl-mt8195.c | 22 +++++++++++++++++++
.../pinctrl/mediatek/pinctrl-mtk-common-v2.c | 14 ++++++++++++
.../pinctrl/mediatek/pinctrl-mtk-common-v2.h | 10 +++++++++
drivers/pinctrl/mediatek/pinctrl-paris.c | 16 ++++++++++++++
4 files changed, 62 insertions(+)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8195.c b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
index a7500e18bb1d..66608b8d346a 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt8195.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
@@ -779,6 +779,25 @@ static const struct mtk_pin_field_calc mt8195_pin_drv_adv_range[] = {
PIN_FIELD_BASE(45, 45, 1, 0x040, 0x10, 9, 3),
};

+static const struct mtk_pin_field_calc mt8195_pin_rsel_range[] = {
+ PIN_FIELD_BASE(8, 8, 4, 0x0c0, 0x10, 15, 3),
+ PIN_FIELD_BASE(9, 9, 4, 0x0c0, 0x10, 0, 3),
+ PIN_FIELD_BASE(10, 10, 4, 0x0c0, 0x10, 18, 3),
+ PIN_FIELD_BASE(11, 11, 4, 0x0c0, 0x10, 3, 3),
+ PIN_FIELD_BASE(12, 12, 4, 0x0c0, 0x10, 21, 3),
+ PIN_FIELD_BASE(13, 13, 4, 0x0c0, 0x10, 6, 3),
+ PIN_FIELD_BASE(14, 14, 4, 0x0c0, 0x10, 24, 3),
+ PIN_FIELD_BASE(15, 15, 4, 0x0c0, 0x10, 9, 3),
+ PIN_FIELD_BASE(16, 16, 4, 0x0c0, 0x10, 27, 3),
+ PIN_FIELD_BASE(17, 17, 4, 0x0c0, 0x10, 12, 3),
+ PIN_FIELD_BASE(29, 29, 2, 0x080, 0x10, 0, 3),
+ PIN_FIELD_BASE(30, 30, 2, 0x080, 0x10, 3, 3),
+ PIN_FIELD_BASE(34, 34, 1, 0x0e0, 0x10, 0, 3),
+ PIN_FIELD_BASE(35, 35, 1, 0x0e0, 0x10, 3, 3),
+ PIN_FIELD_BASE(44, 44, 1, 0x0e0, 0x10, 6, 3),
+ PIN_FIELD_BASE(45, 45, 1, 0x0e0, 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),
@@ -793,6 +812,7 @@ static const struct mtk_pin_reg_calc mt8195_reg_cals[PINCTRL_PIN_REG_MAX] = {
[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),
+ [PINCTRL_PIN_REG_RSEL] = MTK_RANGE(mt8195_pin_rsel_range),
};

static const char * const mt8195_pinctrl_register_base_names[] = {
@@ -823,6 +843,8 @@ static const struct mtk_pin_soc mt8195_data = {
.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,
+ .rsel_set = mtk_pinconf_rsel_set,
+ .rsel_get = mtk_pinconf_rsel_get,
};

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 2b51f4a9b860..d1526d0c6248 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
@@ -1041,6 +1041,20 @@ int mtk_pinconf_adv_drive_get_raw(struct mtk_pinctrl *hw,
}
EXPORT_SYMBOL_GPL(mtk_pinconf_adv_drive_get_raw);

+int mtk_pinconf_rsel_set(struct mtk_pinctrl *hw,
+ const struct mtk_pin_desc *desc, u32 arg)
+{
+ return mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_RSEL, arg);
+}
+EXPORT_SYMBOL_GPL(mtk_pinconf_rsel_set);
+
+int mtk_pinconf_rsel_get(struct mtk_pinctrl *hw,
+ const struct mtk_pin_desc *desc, u32 *val)
+{
+ return mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_RSEL, val);
+}
+EXPORT_SYMBOL_GPL(mtk_pinconf_rsel_get);
+
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Sean Wang <[email protected]>");
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 fd5ce9c5dcbd..570e8da7bf38 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
@@ -67,6 +67,7 @@ enum {
PINCTRL_PIN_REG_DRV_E0,
PINCTRL_PIN_REG_DRV_E1,
PINCTRL_PIN_REG_DRV_ADV,
+ PINCTRL_PIN_REG_RSEL,
PINCTRL_PIN_REG_MAX,
};

@@ -237,6 +238,10 @@ struct mtk_pin_soc {
const struct mtk_pin_desc *desc, u32 arg);
int (*adv_drive_get)(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, u32 *val);
+ int (*rsel_set)(struct mtk_pinctrl *hw,
+ const struct mtk_pin_desc *desc, u32 arg);
+ int (*rsel_get)(struct mtk_pinctrl *hw,
+ const struct mtk_pin_desc *desc, u32 *val);

/* Specific driver data */
void *driver_data;
@@ -320,5 +325,10 @@ int mtk_pinconf_adv_drive_set_raw(struct mtk_pinctrl *hw,
int mtk_pinconf_adv_drive_get_raw(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc, u32 *val);

+int mtk_pinconf_rsel_set(struct mtk_pinctrl *hw,
+ const struct mtk_pin_desc *desc, u32 arg);
+int mtk_pinconf_rsel_get(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 */
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
index da1f19288aa6..392fdfcb5b87 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.c
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
@@ -22,6 +22,8 @@
#define MTK_PIN_CONFIG_PU_ADV (PIN_CONFIG_END + 3)
#define MTK_PIN_CONFIG_PD_ADV (PIN_CONFIG_END + 4)
#define MTK_PIN_CONFIG_DRV_ADV (PIN_CONFIG_END + 5)
+#define MTK_PIN_CONFIG_RSEL (PIN_CONFIG_END + 6)
+

static const struct pinconf_generic_params mtk_custom_bindings[] = {
{"mediatek,tdsel", MTK_PIN_CONFIG_TDSEL, 0},
@@ -29,6 +31,7 @@ static const struct pinconf_generic_params mtk_custom_bindings[] = {
{"mediatek,pull-up-adv", MTK_PIN_CONFIG_PU_ADV, 1},
{"mediatek,pull-down-adv", MTK_PIN_CONFIG_PD_ADV, 1},
{"mediatek,drive-strength-adv", MTK_PIN_CONFIG_DRV_ADV, 2},
+ {"mediatek,rsel", MTK_PIN_CONFIG_RSEL, 2},
};

#ifdef CONFIG_DEBUG_FS
@@ -38,6 +41,7 @@ static const struct pin_config_item mtk_conf_items[] = {
PCONFDUMP(MTK_PIN_CONFIG_PU_ADV, "pu-adv", NULL, true),
PCONFDUMP(MTK_PIN_CONFIG_PD_ADV, "pd-adv", NULL, true),
PCONFDUMP(MTK_PIN_CONFIG_DRV_ADV, "drive-strength-adv", NULL, true),
+ PCONFDUMP(MTK_PIN_CONFIG_RSEL, "rsel", NULL, true),
};
#endif

@@ -176,6 +180,12 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev,
else
err = -ENOTSUPP;
break;
+ case MTK_PIN_CONFIG_RSEL:
+ if (hw->soc->rsel_get)
+ err = hw->soc->rsel_get(hw, desc, &ret);
+ else
+ err = -ENOTSUPP;
+ break;
default:
err = -ENOTSUPP;
}
@@ -295,6 +305,12 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
else
err = -ENOTSUPP;
break;
+ case MTK_PIN_CONFIG_RSEL:
+ if (hw->soc->rsel_set)
+ err = hw->soc->rsel_set(hw, desc, arg);
+ else
+ err = -ENOTSUPP;
+ break;
default:
err = -ENOTSUPP;
}
--
2.18.0

2021-04-23 04:28:21

by Sean Wang

[permalink] [raw]
Subject: Re: [PATCH v5] pinctrl: add rsel setting on MT8195

HI Zhiyong,

We should insist on using "pinctrl: mediatek" as the prefix.

On Wed, Apr 21, 2021 at 8:36 PM Zhiyong Tao <[email protected]> wrote:
>
> This patch provides rsel setting on MT8195.
>
> Signed-off-by: Zhiyong Tao <[email protected]>
> ---
> drivers/pinctrl/mediatek/pinctrl-mt8195.c | 22 +++++++++++++++++++
> .../pinctrl/mediatek/pinctrl-mtk-common-v2.c | 14 ++++++++++++
> .../pinctrl/mediatek/pinctrl-mtk-common-v2.h | 10 +++++++++
> drivers/pinctrl/mediatek/pinctrl-paris.c | 16 ++++++++++++++
> 4 files changed, 62 insertions(+)
>
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8195.c b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
> index a7500e18bb1d..66608b8d346a 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mt8195.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
> @@ -779,6 +779,25 @@ static const struct mtk_pin_field_calc mt8195_pin_drv_adv_range[] = {
> PIN_FIELD_BASE(45, 45, 1, 0x040, 0x10, 9, 3),
> };
>
<snip>