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Message-ID: <20210623093710.5340-3-zhiyong.tao@mediatek.com>
Date: Wed, 23 Jun 2021 17:37:10 +0800
From: Zhiyong Tao <zhiyong.tao@...iatek.com>
To: <robh+dt@...nel.org>, <linus.walleij@...aro.org>,
<mark.rutland@....com>, <matthias.bgg@...il.com>,
<sean.wang@...nel.org>
CC: <srv_heupstream@...iatek.com>, <zhiyong.tao@...iatek.com>,
<hui.liu@...iatek.com>, <Rex-BC.chen@...iatek.com>,
<biao.huang@...iatek.com>, <hongzhou.yang@...iatek.com>,
<erin.lo@...iatek.com>, <sean.wang@...iatek.com>,
<seiya.wang@...iatek.com>, <sj.huang@...iatek.com>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>, <linux-gpio@...r.kernel.org>
Subject: [PATCH v8 2/2] pinctrl: mediatek: add rsel setting on MT8195
This patch provides rsel setting on MT8195
Signed-off-by: Zhiyong Tao <zhiyong.tao@...iatek.com>
---
drivers/pinctrl/mediatek/pinctrl-mt8195.c | 96 +++++++++++++
.../pinctrl/mediatek/pinctrl-mtk-common-v2.c | 135 +++++++++++++++---
.../pinctrl/mediatek/pinctrl-mtk-common-v2.h | 10 +-
drivers/pinctrl/mediatek/pinctrl-paris.c | 23 ++-
drivers/pinctrl/mediatek/pinctrl-paris.h | 2 +-
5 files changed, 239 insertions(+), 27 deletions(-)
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8195.c b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
index a7500e18bb1d..ccfdbac94544 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt8195.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
@@ -779,6 +779,100 @@ 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 unsigned int mt8195_pull_type[] = {
+ MTK_PULL_PUPD_R1R0_TYPE /* 0 */, MTK_PULL_PUPD_R1R0_TYPE /* 1 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 2 */, MTK_PULL_PUPD_R1R0_TYPE /* 3 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 4 */, MTK_PULL_PUPD_R1R0_TYPE /* 5 */,
+ MTK_PULL_PU_PD_TYPE /* 6 */, MTK_PULL_PU_PD_TYPE /* 7 */,
+ MTK_PULL_PU_PD_RSEL_TYPE /* 8 */, MTK_PULL_PU_PD_RSEL_TYPE /* 9 */,
+ MTK_PULL_PU_PD_RSEL_TYPE /* 10 */, MTK_PULL_PU_PD_RSEL_TYPE /* 11 */,
+ MTK_PULL_PU_PD_RSEL_TYPE /* 12 */, MTK_PULL_PU_PD_RSEL_TYPE /* 13 */,
+ MTK_PULL_PU_PD_RSEL_TYPE /* 14 */, MTK_PULL_PU_PD_RSEL_TYPE /* 15 */,
+ MTK_PULL_PU_PD_RSEL_TYPE /* 16 */, MTK_PULL_PU_PD_RSEL_TYPE /* 17 */,
+ MTK_PULL_PU_PD_TYPE /* 18 */, MTK_PULL_PU_PD_TYPE /* 19 */,
+ MTK_PULL_PU_PD_TYPE /* 20 */, MTK_PULL_PU_PD_TYPE /* 21 */,
+ MTK_PULL_PU_PD_TYPE /* 22 */, MTK_PULL_PU_PD_TYPE /* 23 */,
+ MTK_PULL_PU_PD_TYPE /* 24 */, MTK_PULL_PU_PD_TYPE /* 25 */,
+ MTK_PULL_PU_PD_TYPE /* 26 */, MTK_PULL_PU_PD_TYPE /* 27 */,
+ MTK_PULL_PU_PD_TYPE /* 28 */, MTK_PULL_PU_PD_RSEL_TYPE /* 29 */,
+ MTK_PULL_PU_PD_RSEL_TYPE /* 30 */, MTK_PULL_PU_PD_TYPE /* 31 */,
+ MTK_PULL_PU_PD_TYPE /* 32 */, MTK_PULL_PU_PD_TYPE /* 33 */,
+ MTK_PULL_PU_PD_RSEL_TYPE /* 34 */, MTK_PULL_PU_PD_RSEL_TYPE /* 35 */,
+ MTK_PULL_PU_PD_TYPE /* 36 */, MTK_PULL_PU_PD_TYPE /* 37 */,
+ MTK_PULL_PU_PD_TYPE /* 38 */, MTK_PULL_PU_PD_TYPE /* 39 */,
+ MTK_PULL_PU_PD_TYPE /* 40 */, MTK_PULL_PU_PD_TYPE /* 41 */,
+ MTK_PULL_PU_PD_TYPE /* 42 */, MTK_PULL_PU_PD_TYPE /* 43 */,
+ MTK_PULL_PU_PD_RSEL_TYPE /* 44 */, MTK_PULL_PU_PD_RSEL_TYPE /* 45 */,
+ MTK_PULL_PU_PD_TYPE /* 46 */, MTK_PULL_PU_PD_TYPE /* 47 */,
+ MTK_PULL_PU_PD_TYPE /* 48 */, MTK_PULL_PU_PD_TYPE /* 49 */,
+ MTK_PULL_PU_PD_TYPE /* 50 */, MTK_PULL_PU_PD_TYPE /* 51 */,
+ MTK_PULL_PU_PD_TYPE /* 52 */, MTK_PULL_PU_PD_TYPE /* 53 */,
+ MTK_PULL_PU_PD_TYPE /* 54 */, MTK_PULL_PU_PD_TYPE /* 55 */,
+ MTK_PULL_PU_PD_TYPE /* 56 */, MTK_PULL_PU_PD_TYPE /* 57 */,
+ MTK_PULL_PU_PD_TYPE /* 58 */, MTK_PULL_PU_PD_TYPE /* 59 */,
+ MTK_PULL_PU_PD_TYPE /* 60 */, MTK_PULL_PU_PD_TYPE /* 61 */,
+ MTK_PULL_PU_PD_TYPE /* 62 */, MTK_PULL_PU_PD_TYPE /* 63 */,
+ MTK_PULL_PU_PD_TYPE /* 64 */, MTK_PULL_PU_PD_TYPE /* 65 */,
+ MTK_PULL_PU_PD_TYPE /* 66 */, MTK_PULL_PU_PD_TYPE /* 67 */,
+ MTK_PULL_PU_PD_TYPE /* 68 */, MTK_PULL_PU_PD_TYPE /* 69 */,
+ MTK_PULL_PU_PD_TYPE /* 70 */, MTK_PULL_PU_PD_TYPE /* 71 */,
+ MTK_PULL_PU_PD_TYPE /* 72 */, MTK_PULL_PU_PD_TYPE /* 73 */,
+ MTK_PULL_PU_PD_TYPE /* 74 */, MTK_PULL_PU_PD_TYPE /* 75 */,
+ MTK_PULL_PU_PD_TYPE /* 76 */, MTK_PULL_PUPD_R1R0_TYPE /* 77 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 78 */, MTK_PULL_PUPD_R1R0_TYPE /* 79 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 80 */, MTK_PULL_PUPD_R1R0_TYPE /* 81 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 82 */, MTK_PULL_PUPD_R1R0_TYPE /* 83 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 84 */, MTK_PULL_PUPD_R1R0_TYPE /* 85 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 86 */, MTK_PULL_PUPD_R1R0_TYPE /* 87 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 88 */, MTK_PULL_PUPD_R1R0_TYPE /* 89 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 90 */, MTK_PULL_PUPD_R1R0_TYPE /* 91 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 92 */, MTK_PULL_PUPD_R1R0_TYPE /* 93 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 94 */, MTK_PULL_PUPD_R1R0_TYPE /* 95 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 96 */, MTK_PULL_PU_PD_TYPE /* 97 */,
+ MTK_PULL_PU_PD_TYPE /* 98 */, MTK_PULL_PU_PD_TYPE /* 99 */,
+ MTK_PULL_PU_PD_TYPE /* 100 */, MTK_PULL_PU_PD_TYPE /* 101 */,
+ MTK_PULL_PU_PD_TYPE /* 102 */, MTK_PULL_PU_PD_TYPE /* 103 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 104 */, MTK_PULL_PUPD_R1R0_TYPE /* 105 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 106 */, MTK_PULL_PUPD_R1R0_TYPE /* 107 */,
+ MTK_PULL_PU_PD_TYPE /* 108 */, MTK_PULL_PU_PD_TYPE /* 109 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 110 */, MTK_PULL_PUPD_R1R0_TYPE /* 111 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 112 */, MTK_PULL_PUPD_R1R0_TYPE /* 113 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 114 */, MTK_PULL_PUPD_R1R0_TYPE /* 115 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 116 */, MTK_PULL_PUPD_R1R0_TYPE /* 117 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 118 */, MTK_PULL_PUPD_R1R0_TYPE /* 119 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 120 */, MTK_PULL_PUPD_R1R0_TYPE /* 121 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 122 */, MTK_PULL_PUPD_R1R0_TYPE /* 123 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 124 */, MTK_PULL_PUPD_R1R0_TYPE /* 125 */,
+ MTK_PULL_PUPD_R1R0_TYPE /* 126 */, MTK_PULL_PUPD_R1R0_TYPE /* 127 */,
+ MTK_PULL_PU_PD_TYPE /* 128 */, MTK_PULL_PU_PD_TYPE /* 129 */,
+ MTK_PULL_PU_PD_TYPE /* 130 */, MTK_PULL_PU_PD_TYPE /* 131 */,
+ MTK_PULL_PU_PD_TYPE /* 132 */, MTK_PULL_PU_PD_TYPE /* 133 */,
+ MTK_PULL_PU_PD_TYPE /* 134 */, MTK_PULL_PU_PD_TYPE /* 135 */,
+ MTK_PULL_PU_PD_TYPE /* 136 */, MTK_PULL_PU_PD_TYPE /* 137 */,
+ MTK_PULL_PU_PD_TYPE /* 138 */, MTK_PULL_PU_PD_TYPE /* 139 */,
+ MTK_PULL_PU_PD_TYPE /* 140 */, MTK_PULL_PU_PD_TYPE /* 141 */,
+ MTK_PULL_PU_PD_TYPE /* 142 */, MTK_PULL_PU_PD_TYPE /* 143 */,
+};
+
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 +887,7 @@ 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[] = {
@@ -817,6 +912,7 @@ static const struct mtk_pin_soc mt8195_data = {
.gpio_m = 0,
.base_names = mt8195_pinctrl_register_base_names,
.nbase_names = ARRAY_SIZE(mt8195_pinctrl_register_base_names),
+ .pull_type = mt8195_pull_type,
.bias_set_combo = mtk_pinconf_bias_set_combo,
.bias_get_combo = mtk_pinconf_bias_get_combo,
.drive_set = mtk_pinconf_drive_set_rev1,
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
index 5b3b048725cc..855051495735 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
@@ -641,6 +641,9 @@ static int mtk_pinconf_bias_set_pupd_r1_r0(struct mtk_pinctrl *hw,
} else if (arg == MTK_PUPD_SET_R1R0_11) {
r0 = 1;
r1 = 1;
+ } else if (arg == MTK_ENABLE) {
+ r0 = 1;
+ r1 = 0;
} else {
err = -EINVAL;
goto out;
@@ -661,6 +664,29 @@ static int mtk_pinconf_bias_set_pupd_r1_r0(struct mtk_pinctrl *hw,
return err;
}
+int mtk_pinconf_bias_set_rsel(struct mtk_pinctrl *hw,
+ const struct mtk_pin_desc *desc,
+ u32 pullup, u32 arg)
+{
+ int err;
+
+ if (arg < MTK_PULL_SET_RSEL_000 || arg > MTK_PULL_SET_RSEL_111) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ arg -= MTK_PULL_SET_RSEL_000;
+ err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_RSEL, arg);
+ if (err)
+ goto out;
+
+ err = mtk_pinconf_bias_set_pu_pd(hw, desc, pullup, MTK_ENABLE);
+
+out:
+ return err;
+}
+EXPORT_SYMBOL_GPL(mtk_pinconf_bias_set_rsel);
+
static int mtk_pinconf_bias_get_pu_pd(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc,
u32 *pullup, u32 *enable)
@@ -742,44 +768,117 @@ static int mtk_pinconf_bias_get_pupd_r1_r0(struct mtk_pinctrl *hw,
return err;
}
-int mtk_pinconf_bias_set_combo(struct mtk_pinctrl *hw,
- const struct mtk_pin_desc *desc,
- u32 pullup, u32 arg)
+static int mtk_pinconf_bias_get_rsel(struct mtk_pinctrl *hw,
+ const struct mtk_pin_desc *desc,
+ u32 *pullup, u32 *enable)
{
- int err;
+ int pu, pd, rsel, err;
- err = mtk_pinconf_bias_set_pu_pd(hw, desc, pullup, arg);
- if (!err)
+ err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_RSEL, &rsel);
+ if (err)
goto out;
- err = mtk_pinconf_bias_set_pullsel_pullen(hw, desc, pullup, arg);
- if (!err)
+ err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PU, &pu);
+ if (err)
goto out;
- err = mtk_pinconf_bias_set_pupd_r1_r0(hw, desc, pullup, arg);
+ err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PD, &pd);
+
+ if (pu == 0 && pd == 0) {
+ *pullup = 0;
+ *enable = MTK_DISABLE;
+ } else if (pu == 1 && pd == 0) {
+ *pullup = 1;
+ *enable = rsel + MTK_PULL_SET_RSEL_000;
+ } else if (pu == 0 && pd == 1) {
+ *pullup = 0;
+ *enable = rsel + MTK_PULL_SET_RSEL_000;
+ } else {
+ err = -EINVAL;
+ goto out;
+ }
out:
return err;
}
+
+int mtk_pinconf_bias_set_combo(struct mtk_pinctrl *hw,
+ const struct mtk_pin_desc *desc,
+ u32 pullup, u32 arg)
+{
+ int err = -EOPNOTSUPP;
+ bool try_all_type;
+
+ try_all_type = hw->soc->pull_type ? false : true;
+
+ if (try_all_type ||
+ (hw->soc->pull_type[desc->number] & MTK_PULL_RSEL_TYPE)) {
+ err = mtk_pinconf_bias_set_rsel(hw, desc, pullup, arg);
+ if (!err)
+ return err;
+ }
+
+ if (try_all_type ||
+ (hw->soc->pull_type[desc->number] & MTK_PULL_PU_PD_TYPE)) {
+ err = mtk_pinconf_bias_set_pu_pd(hw, desc, pullup, arg);
+ if (!err)
+ return err;
+ }
+
+ if (try_all_type ||
+ (hw->soc->pull_type[desc->number] & MTK_PULL_PULLSEL_TYPE)) {
+ err = mtk_pinconf_bias_set_pullsel_pullen(hw, desc,
+ pullup, arg);
+ if (!err)
+ return err;
+ }
+
+ if (try_all_type ||
+ (hw->soc->pull_type[desc->number] & MTK_PULL_PUPD_R1R0_TYPE)) {
+ err = mtk_pinconf_bias_set_pupd_r1_r0(hw, desc, pullup, arg);
+ if (err)
+ dev_err(hw->dev, "Invalid pull argument\n");
+ }
+
+ return err;
+}
EXPORT_SYMBOL_GPL(mtk_pinconf_bias_set_combo);
int mtk_pinconf_bias_get_combo(struct mtk_pinctrl *hw,
const struct mtk_pin_desc *desc,
u32 *pullup, u32 *enable)
{
- int err;
+ int err = -EOPNOTSUPP;
+ bool try_all_type;
- err = mtk_pinconf_bias_get_pu_pd(hw, desc, pullup, enable);
- if (!err)
- goto out;
+ try_all_type = hw->soc->pull_type ? false : true;
- err = mtk_pinconf_bias_get_pullsel_pullen(hw, desc, pullup, enable);
- if (!err)
- goto out;
+ if (try_all_type ||
+ (hw->soc->pull_type[desc->number] & MTK_PULL_RSEL_TYPE)) {
+ err = mtk_pinconf_bias_get_rsel(hw, desc, pullup, enable);
+ if (!err)
+ return err;
+ }
- err = mtk_pinconf_bias_get_pupd_r1_r0(hw, desc, pullup, enable);
+ if (try_all_type ||
+ (hw->soc->pull_type[desc->number] & MTK_PULL_PU_PD_TYPE)) {
+ err = mtk_pinconf_bias_get_pu_pd(hw, desc, pullup, enable);
+ if (!err)
+ return err;
+ }
+
+ if (try_all_type ||
+ (hw->soc->pull_type[desc->number] & MTK_PULL_PULLSEL_TYPE)) {
+ err = mtk_pinconf_bias_get_pullsel_pullen(hw, desc,
+ pullup, enable);
+ if (!err)
+ return err;
+ }
+
+ if (try_all_type ||
+ (hw->soc->pull_type[desc->number] & MTK_PULL_PUPD_R1R0_TYPE))
+ err = mtk_pinconf_bias_get_pupd_r1_r0(hw, desc, pullup, enable);
-out:
return err;
}
EXPORT_SYMBOL_GPL(mtk_pinconf_bias_get_combo);
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
index a6f1bdb2083b..491ae4b3a8cc 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
@@ -17,6 +17,13 @@
#define MTK_ENABLE 1
#define MTK_PULLDOWN 0
#define MTK_PULLUP 1
+#define MTK_PULL_PU_PD_TYPE BIT(0)
+#define MTK_PULL_PULLSEL_TYPE BIT(1)
+#define MTK_PULL_PUPD_R1R0_TYPE BIT(2)
+#define MTK_PULL_RSEL_TYPE BIT(3)
+#define MTK_PULL_PU_PD_RSEL_TYPE (MTK_PULL_PU_PD_TYPE \
+ | MTK_PULL_RSEL_TYPE)
+
#define EINT_NA U16_MAX
#define NO_EINT_SUPPORT EINT_NA
@@ -67,6 +74,7 @@ enum {
PINCTRL_PIN_REG_DRV_E0,
PINCTRL_PIN_REG_DRV_E1,
PINCTRL_PIN_REG_DRV_ADV,
+ PINCTRL_PIN_REG_RSEL,
PINCTRL_PIN_REG_MAX,
};
@@ -206,6 +214,7 @@ struct mtk_pin_soc {
bool ies_present;
const char * const *base_names;
unsigned int nbase_names;
+ const unsigned int *pull_type;
/* Specific pinconfig operations */
int (*bias_disable_set)(struct mtk_pinctrl *hw,
@@ -237,7 +246,6 @@ 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);
-
/* Specific driver data */
void *driver_data;
};
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
index 85db2e4377f0..7f467c46a8c9 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.c
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
@@ -577,9 +577,9 @@ static int mtk_hw_get_value_wrap(struct mtk_pinctrl *hw, unsigned int gpio, int
mtk_hw_get_value_wrap(hw, gpio, PINCTRL_PIN_REG_DRV)
ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw,
- unsigned int gpio, char *buf, unsigned int bufLen)
+ unsigned int gpio, char *buf, unsigned int buf_len)
{
- int pinmux, pullup, pullen, len = 0, r1 = -1, r0 = -1;
+ int pinmux, pullup, pullen, len = 0, r1 = -1, r0 = -1, rsel = -1;
const struct mtk_pin_desc *desc;
if (gpio >= hw->soc->npins)
@@ -591,6 +591,8 @@ ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw,
pinmux -= hw->soc->nfuncs;
mtk_pinconf_bias_get_combo(hw, desc, &pullup, &pullen);
+
+ /* Case for: R1R0 */
if (pullen == MTK_PUPD_SET_R1R0_00) {
pullen = 0;
r1 = 0;
@@ -607,10 +609,15 @@ ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw,
pullen = 1;
r1 = 1;
r0 = 1;
- } else if (pullen != MTK_DISABLE && pullen != MTK_ENABLE) {
- pullen = 0;
}
- len += scnprintf(buf + len, bufLen - len,
+
+ /* Case for: RSEL */
+ if (pullen >= MTK_PULL_SET_RSEL_000 && pullen <= MTK_PULL_SET_RSEL_111) {
+ rsel = pullen - MTK_PULL_SET_RSEL_000;
+ pullen = 1;
+ }
+
+ len += scnprintf(buf + len, buf_len - len,
"%03d: %1d%1d%1d%1d%02d%1d%1d%1d%1d",
gpio,
pinmux,
@@ -624,10 +631,12 @@ ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw,
pullup);
if (r1 != -1) {
- len += scnprintf(buf + len, bufLen - len, " (%1d %1d)\n",
+ len += scnprintf(buf + len, buf_len - len, " (%1d %1d)\n",
r1, r0);
+ } else if (rsel != -1) {
+ len += scnprintf(buf + len, buf_len - len, " (%1d)\n", rsel);
} else {
- len += scnprintf(buf + len, bufLen - len, "\n");
+ len += scnprintf(buf + len, buf_len - len, "\n");
}
return len;
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.h b/drivers/pinctrl/mediatek/pinctrl-paris.h
index afb7650fd25b..681267c0e1a4 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.h
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.h
@@ -61,7 +61,7 @@ int mtk_paris_pinctrl_probe(struct platform_device *pdev,
const struct mtk_pin_soc *soc);
ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw,
- unsigned int gpio, char *buf, unsigned int bufLen);
+ unsigned int gpio, char *buf, unsigned int buf_len);
extern const struct dev_pm_ops mtk_paris_pinctrl_pm_ops;
--
2.18.0
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