I2C pins's resistance value can be controlled by rsel register.
This patch provides rsel (resistance selection) setting on MT8195
Signed-off-by: Zhiyong Tao <zhiyong.tao@xxxxxxxxxxxx>
---
drivers/pinctrl/mediatek/pinctrl-mt8195.c | 133 ++++++++++++++++++++++
1 file changed, 133 insertions(+)
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8195.c b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
index a7500e18bb1d..9ba86c80c07a 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt8195.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt8195.c
@@ -779,6 +779,135 @@ 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_rsel mt8195_pin_rsel_val_range[] = {
+ PIN_RSEL(8, 17, 0x0, 75000, 75000),
+ PIN_RSEL(8, 17, 0x1, 10000, 5000),
+ PIN_RSEL(8, 17, 0x2, 5000, 75000),
+ PIN_RSEL(8, 17, 0x3, 4000, 5000),
+ PIN_RSEL(8, 17, 0x4, 3000, 75000),
+ PIN_RSEL(8, 17, 0x5, 2000, 5000),
+ PIN_RSEL(8, 17, 0x6, 1500, 75000),
+ PIN_RSEL(8, 17, 0x7, 1000, 5000),
+ PIN_RSEL(29, 30, 0x0, 75000, 75000),
+ PIN_RSEL(29, 30, 0x1, 10000, 5000),
+ PIN_RSEL(29, 30, 0x2, 5000, 75000),
+ PIN_RSEL(29, 30, 0x3, 4000, 5000),
+ PIN_RSEL(29, 30, 0x4, 3000, 75000),
+ PIN_RSEL(29, 30, 0x5, 2000, 5000),
+ PIN_RSEL(29, 30, 0x6, 1500, 75000),
+ PIN_RSEL(29, 30, 0x7, 1000, 5000),
+ PIN_RSEL(34, 35, 0x0, 75000, 75000),
+ PIN_RSEL(34, 35, 0x1, 10000, 5000),
+ PIN_RSEL(34, 35, 0x2, 5000, 75000),
+ PIN_RSEL(34, 35, 0x3, 4000, 5000),
+ PIN_RSEL(34, 35, 0x4, 3000, 75000),
+ PIN_RSEL(34, 35, 0x5, 2000, 5000),
+ PIN_RSEL(34, 35, 0x6, 1500, 75000),
+ PIN_RSEL(34, 35, 0x7, 1000, 5000),
+ PIN_RSEL(44, 45, 0x0, 75000, 75000),
+ PIN_RSEL(44, 45, 0x1, 10000, 5000),
+ PIN_RSEL(44, 45, 0x2, 5000, 75000),
+ PIN_RSEL(44, 45, 0x3, 4000, 5000),
+ PIN_RSEL(44, 45, 0x4, 3000, 75000),
+ PIN_RSEL(44, 45, 0x5, 2000, 5000),
+ PIN_RSEL(44, 45, 0x6, 1500, 75000),
+ PIN_RSEL(44, 45, 0x7, 1000, 5000),
+};
+
+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 +922,7 @@ 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 +947,9 @@ 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,
+ .pin_rsel = mt8195_pin_rsel_val_range,
+ .npin_rsel = ARRAY_SIZE(mt8195_pin_rsel_val_range),
.bias_set_combo = mtk_pinconf_bias_set_combo,
.bias_get_combo = mtk_pinconf_bias_get_combo,
.drive_set = mtk_pinconf_drive_set_rev1,
--
2.25.1
