.. | .. |
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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
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1 | 2 | /* |
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2 | 3 | * Copyright (c) 2017, Impinj, Inc. |
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3 | 4 | * |
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4 | 5 | * i.MX7 System Reset Controller (SRC) driver |
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5 | 6 | * |
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6 | 7 | * Author: Andrey Smirnov <andrew.smirnov@gmail.com> |
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7 | | - * |
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8 | | - * This program is free software; you can redistribute it and/or modify |
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9 | | - * it under the terms of the GNU General Public License as published by |
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10 | | - * the Free Software Foundation; version 2 of the License. |
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11 | | - * |
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12 | | - * This program is distributed in the hope that it will be useful, |
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13 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | | - * GNU General Public License for more details. |
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16 | 8 | */ |
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17 | 9 | |
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18 | 10 | #include <linux/mfd/syscon.h> |
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19 | | -#include <linux/mod_devicetable.h> |
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| 11 | +#include <linux/module.h> |
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| 12 | +#include <linux/of_device.h> |
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20 | 13 | #include <linux/platform_device.h> |
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21 | 14 | #include <linux/reset-controller.h> |
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22 | 15 | #include <linux/regmap.h> |
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23 | 16 | #include <dt-bindings/reset/imx7-reset.h> |
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| 17 | +#include <dt-bindings/reset/imx8mq-reset.h> |
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| 18 | +#include <dt-bindings/reset/imx8mp-reset.h> |
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| 19 | + |
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| 20 | +struct imx7_src_signal { |
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| 21 | + unsigned int offset, bit; |
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| 22 | +}; |
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| 23 | + |
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| 24 | +struct imx7_src_variant { |
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| 25 | + const struct imx7_src_signal *signals; |
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| 26 | + unsigned int signals_num; |
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| 27 | + struct reset_control_ops ops; |
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| 28 | +}; |
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24 | 29 | |
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25 | 30 | struct imx7_src { |
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26 | 31 | struct reset_controller_dev rcdev; |
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27 | 32 | struct regmap *regmap; |
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| 33 | + const struct imx7_src_signal *signals; |
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28 | 34 | }; |
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29 | 35 | |
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30 | 36 | enum imx7_src_registers { |
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.. | .. |
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39 | 45 | SRC_DDRC_RCR = 0x1000, |
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40 | 46 | }; |
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41 | 47 | |
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42 | | -struct imx7_src_signal { |
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43 | | - unsigned int offset, bit; |
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44 | | -}; |
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| 48 | +static int imx7_reset_update(struct imx7_src *imx7src, |
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| 49 | + unsigned long id, unsigned int value) |
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| 50 | +{ |
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| 51 | + const struct imx7_src_signal *signal = &imx7src->signals[id]; |
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| 52 | + |
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| 53 | + return regmap_update_bits(imx7src->regmap, |
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| 54 | + signal->offset, signal->bit, value); |
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| 55 | +} |
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45 | 56 | |
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46 | 57 | static const struct imx7_src_signal imx7_src_signals[IMX7_RESET_NUM] = { |
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47 | 58 | [IMX7_RESET_A7_CORE_POR_RESET0] = { SRC_A7RCR0, BIT(0) }, |
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.. | .. |
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67 | 78 | [IMX7_RESET_PCIEPHY] = { SRC_PCIEPHY_RCR, BIT(2) | BIT(1) }, |
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68 | 79 | [IMX7_RESET_PCIEPHY_PERST] = { SRC_PCIEPHY_RCR, BIT(3) }, |
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69 | 80 | [IMX7_RESET_PCIE_CTRL_APPS_EN] = { SRC_PCIEPHY_RCR, BIT(6) }, |
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| 81 | + [IMX7_RESET_PCIE_CTRL_APPS_TURNOFF] = { SRC_PCIEPHY_RCR, BIT(11) }, |
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70 | 82 | [IMX7_RESET_DDRC_PRST] = { SRC_DDRC_RCR, BIT(0) }, |
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71 | 83 | [IMX7_RESET_DDRC_CORE_RST] = { SRC_DDRC_RCR, BIT(1) }, |
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72 | 84 | }; |
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.. | .. |
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80 | 92 | unsigned long id, bool assert) |
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81 | 93 | { |
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82 | 94 | struct imx7_src *imx7src = to_imx7_src(rcdev); |
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83 | | - const struct imx7_src_signal *signal = &imx7_src_signals[id]; |
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84 | | - unsigned int value = assert ? signal->bit : 0; |
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| 95 | + const unsigned int bit = imx7src->signals[id].bit; |
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| 96 | + unsigned int value = assert ? bit : 0; |
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85 | 97 | |
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86 | 98 | switch (id) { |
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87 | 99 | case IMX7_RESET_PCIEPHY: |
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.. | .. |
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94 | 106 | break; |
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95 | 107 | |
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96 | 108 | case IMX7_RESET_PCIE_CTRL_APPS_EN: |
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97 | | - value = (assert) ? 0 : signal->bit; |
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| 109 | + value = assert ? 0 : bit; |
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98 | 110 | break; |
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99 | 111 | } |
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100 | 112 | |
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101 | | - return regmap_update_bits(imx7src->regmap, |
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102 | | - signal->offset, signal->bit, value); |
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| 113 | + return imx7_reset_update(imx7src, id, value); |
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103 | 114 | } |
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104 | 115 | |
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105 | 116 | static int imx7_reset_assert(struct reset_controller_dev *rcdev, |
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.. | .. |
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114 | 125 | return imx7_reset_set(rcdev, id, false); |
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115 | 126 | } |
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116 | 127 | |
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117 | | -static const struct reset_control_ops imx7_reset_ops = { |
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118 | | - .assert = imx7_reset_assert, |
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119 | | - .deassert = imx7_reset_deassert, |
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| 128 | +static const struct imx7_src_variant variant_imx7 = { |
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| 129 | + .signals = imx7_src_signals, |
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| 130 | + .signals_num = ARRAY_SIZE(imx7_src_signals), |
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| 131 | + .ops = { |
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| 132 | + .assert = imx7_reset_assert, |
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| 133 | + .deassert = imx7_reset_deassert, |
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| 134 | + }, |
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| 135 | +}; |
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| 136 | + |
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| 137 | +enum imx8mq_src_registers { |
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| 138 | + SRC_A53RCR0 = 0x0004, |
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| 139 | + SRC_HDMI_RCR = 0x0030, |
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| 140 | + SRC_DISP_RCR = 0x0034, |
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| 141 | + SRC_GPU_RCR = 0x0040, |
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| 142 | + SRC_VPU_RCR = 0x0044, |
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| 143 | + SRC_PCIE2_RCR = 0x0048, |
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| 144 | + SRC_MIPIPHY1_RCR = 0x004c, |
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| 145 | + SRC_MIPIPHY2_RCR = 0x0050, |
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| 146 | + SRC_DDRC2_RCR = 0x1004, |
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| 147 | +}; |
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| 148 | + |
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| 149 | +enum imx8mp_src_registers { |
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| 150 | + SRC_SUPERMIX_RCR = 0x0018, |
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| 151 | + SRC_AUDIOMIX_RCR = 0x001c, |
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| 152 | + SRC_MLMIX_RCR = 0x0028, |
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| 153 | + SRC_GPU2D_RCR = 0x0038, |
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| 154 | + SRC_GPU3D_RCR = 0x003c, |
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| 155 | + SRC_VPU_G1_RCR = 0x0048, |
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| 156 | + SRC_VPU_G2_RCR = 0x004c, |
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| 157 | + SRC_VPUVC8KE_RCR = 0x0050, |
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| 158 | + SRC_NOC_RCR = 0x0054, |
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| 159 | +}; |
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| 160 | + |
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| 161 | +static const struct imx7_src_signal imx8mq_src_signals[IMX8MQ_RESET_NUM] = { |
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| 162 | + [IMX8MQ_RESET_A53_CORE_POR_RESET0] = { SRC_A53RCR0, BIT(0) }, |
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| 163 | + [IMX8MQ_RESET_A53_CORE_POR_RESET1] = { SRC_A53RCR0, BIT(1) }, |
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| 164 | + [IMX8MQ_RESET_A53_CORE_POR_RESET2] = { SRC_A53RCR0, BIT(2) }, |
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| 165 | + [IMX8MQ_RESET_A53_CORE_POR_RESET3] = { SRC_A53RCR0, BIT(3) }, |
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| 166 | + [IMX8MQ_RESET_A53_CORE_RESET0] = { SRC_A53RCR0, BIT(4) }, |
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| 167 | + [IMX8MQ_RESET_A53_CORE_RESET1] = { SRC_A53RCR0, BIT(5) }, |
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| 168 | + [IMX8MQ_RESET_A53_CORE_RESET2] = { SRC_A53RCR0, BIT(6) }, |
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| 169 | + [IMX8MQ_RESET_A53_CORE_RESET3] = { SRC_A53RCR0, BIT(7) }, |
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| 170 | + [IMX8MQ_RESET_A53_DBG_RESET0] = { SRC_A53RCR0, BIT(8) }, |
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| 171 | + [IMX8MQ_RESET_A53_DBG_RESET1] = { SRC_A53RCR0, BIT(9) }, |
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| 172 | + [IMX8MQ_RESET_A53_DBG_RESET2] = { SRC_A53RCR0, BIT(10) }, |
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| 173 | + [IMX8MQ_RESET_A53_DBG_RESET3] = { SRC_A53RCR0, BIT(11) }, |
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| 174 | + [IMX8MQ_RESET_A53_ETM_RESET0] = { SRC_A53RCR0, BIT(12) }, |
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| 175 | + [IMX8MQ_RESET_A53_ETM_RESET1] = { SRC_A53RCR0, BIT(13) }, |
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| 176 | + [IMX8MQ_RESET_A53_ETM_RESET2] = { SRC_A53RCR0, BIT(14) }, |
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| 177 | + [IMX8MQ_RESET_A53_ETM_RESET3] = { SRC_A53RCR0, BIT(15) }, |
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| 178 | + [IMX8MQ_RESET_A53_SOC_DBG_RESET] = { SRC_A53RCR0, BIT(20) }, |
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| 179 | + [IMX8MQ_RESET_A53_L2RESET] = { SRC_A53RCR0, BIT(21) }, |
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| 180 | + [IMX8MQ_RESET_SW_NON_SCLR_M4C_RST] = { SRC_M4RCR, BIT(0) }, |
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| 181 | + [IMX8MQ_RESET_SW_M4C_RST] = { SRC_M4RCR, BIT(1) }, |
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| 182 | + [IMX8MQ_RESET_SW_M4P_RST] = { SRC_M4RCR, BIT(2) }, |
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| 183 | + [IMX8MQ_RESET_M4_ENABLE] = { SRC_M4RCR, BIT(3) }, |
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| 184 | + [IMX8MQ_RESET_OTG1_PHY_RESET] = { SRC_USBOPHY1_RCR, BIT(0) }, |
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| 185 | + [IMX8MQ_RESET_OTG2_PHY_RESET] = { SRC_USBOPHY2_RCR, BIT(0) }, |
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| 186 | + [IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N] = { SRC_MIPIPHY_RCR, BIT(1) }, |
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| 187 | + [IMX8MQ_RESET_MIPI_DSI_RESET_N] = { SRC_MIPIPHY_RCR, BIT(2) }, |
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| 188 | + [IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N] = { SRC_MIPIPHY_RCR, BIT(3) }, |
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| 189 | + [IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N] = { SRC_MIPIPHY_RCR, BIT(4) }, |
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| 190 | + [IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N] = { SRC_MIPIPHY_RCR, BIT(5) }, |
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| 191 | + [IMX8MQ_RESET_PCIEPHY] = { SRC_PCIEPHY_RCR, |
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| 192 | + BIT(2) | BIT(1) }, |
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| 193 | + [IMX8MQ_RESET_PCIEPHY_PERST] = { SRC_PCIEPHY_RCR, BIT(3) }, |
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| 194 | + [IMX8MQ_RESET_PCIE_CTRL_APPS_EN] = { SRC_PCIEPHY_RCR, BIT(6) }, |
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| 195 | + [IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF] = { SRC_PCIEPHY_RCR, BIT(11) }, |
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| 196 | + [IMX8MQ_RESET_HDMI_PHY_APB_RESET] = { SRC_HDMI_RCR, BIT(0) }, |
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| 197 | + [IMX8MQ_RESET_DISP_RESET] = { SRC_DISP_RCR, BIT(0) }, |
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| 198 | + [IMX8MQ_RESET_GPU_RESET] = { SRC_GPU_RCR, BIT(0) }, |
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| 199 | + [IMX8MQ_RESET_VPU_RESET] = { SRC_VPU_RCR, BIT(0) }, |
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| 200 | + [IMX8MQ_RESET_PCIEPHY2] = { SRC_PCIE2_RCR, |
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| 201 | + BIT(2) | BIT(1) }, |
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| 202 | + [IMX8MQ_RESET_PCIEPHY2_PERST] = { SRC_PCIE2_RCR, BIT(3) }, |
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| 203 | + [IMX8MQ_RESET_PCIE2_CTRL_APPS_EN] = { SRC_PCIE2_RCR, BIT(6) }, |
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| 204 | + [IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF] = { SRC_PCIE2_RCR, BIT(11) }, |
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| 205 | + [IMX8MQ_RESET_MIPI_CSI1_CORE_RESET] = { SRC_MIPIPHY1_RCR, BIT(0) }, |
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| 206 | + [IMX8MQ_RESET_MIPI_CSI1_PHY_REF_RESET] = { SRC_MIPIPHY1_RCR, BIT(1) }, |
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| 207 | + [IMX8MQ_RESET_MIPI_CSI1_ESC_RESET] = { SRC_MIPIPHY1_RCR, BIT(2) }, |
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| 208 | + [IMX8MQ_RESET_MIPI_CSI2_CORE_RESET] = { SRC_MIPIPHY2_RCR, BIT(0) }, |
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| 209 | + [IMX8MQ_RESET_MIPI_CSI2_PHY_REF_RESET] = { SRC_MIPIPHY2_RCR, BIT(1) }, |
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| 210 | + [IMX8MQ_RESET_MIPI_CSI2_ESC_RESET] = { SRC_MIPIPHY2_RCR, BIT(2) }, |
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| 211 | + [IMX8MQ_RESET_DDRC1_PRST] = { SRC_DDRC_RCR, BIT(0) }, |
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| 212 | + [IMX8MQ_RESET_DDRC1_CORE_RESET] = { SRC_DDRC_RCR, BIT(1) }, |
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| 213 | + [IMX8MQ_RESET_DDRC1_PHY_RESET] = { SRC_DDRC_RCR, BIT(2) }, |
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| 214 | + [IMX8MQ_RESET_DDRC2_PHY_RESET] = { SRC_DDRC2_RCR, BIT(0) }, |
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| 215 | + [IMX8MQ_RESET_DDRC2_CORE_RESET] = { SRC_DDRC2_RCR, BIT(1) }, |
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| 216 | + [IMX8MQ_RESET_DDRC2_PRST] = { SRC_DDRC2_RCR, BIT(2) }, |
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| 217 | +}; |
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| 218 | + |
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| 219 | +static int imx8mq_reset_set(struct reset_controller_dev *rcdev, |
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| 220 | + unsigned long id, bool assert) |
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| 221 | +{ |
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| 222 | + struct imx7_src *imx7src = to_imx7_src(rcdev); |
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| 223 | + const unsigned int bit = imx7src->signals[id].bit; |
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| 224 | + unsigned int value = assert ? bit : 0; |
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| 225 | + |
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| 226 | + switch (id) { |
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| 227 | + case IMX8MQ_RESET_PCIEPHY: |
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| 228 | + case IMX8MQ_RESET_PCIEPHY2: |
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| 229 | + /* |
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| 230 | + * wait for more than 10us to release phy g_rst and |
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| 231 | + * btnrst |
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| 232 | + */ |
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| 233 | + if (!assert) |
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| 234 | + udelay(10); |
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| 235 | + break; |
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| 236 | + |
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| 237 | + case IMX8MQ_RESET_PCIE_CTRL_APPS_EN: |
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| 238 | + case IMX8MQ_RESET_PCIE2_CTRL_APPS_EN: |
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| 239 | + case IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N: |
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| 240 | + case IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N: |
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| 241 | + case IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N: |
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| 242 | + case IMX8MQ_RESET_MIPI_DSI_RESET_N: |
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| 243 | + case IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N: |
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| 244 | + case IMX8MQ_RESET_M4_ENABLE: |
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| 245 | + value = assert ? 0 : bit; |
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| 246 | + break; |
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| 247 | + } |
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| 248 | + |
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| 249 | + return imx7_reset_update(imx7src, id, value); |
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| 250 | +} |
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| 251 | + |
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| 252 | +static int imx8mq_reset_assert(struct reset_controller_dev *rcdev, |
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| 253 | + unsigned long id) |
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| 254 | +{ |
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| 255 | + return imx8mq_reset_set(rcdev, id, true); |
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| 256 | +} |
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| 257 | + |
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| 258 | +static int imx8mq_reset_deassert(struct reset_controller_dev *rcdev, |
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| 259 | + unsigned long id) |
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| 260 | +{ |
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| 261 | + return imx8mq_reset_set(rcdev, id, false); |
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| 262 | +} |
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| 263 | + |
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| 264 | +static const struct imx7_src_variant variant_imx8mq = { |
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| 265 | + .signals = imx8mq_src_signals, |
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| 266 | + .signals_num = ARRAY_SIZE(imx8mq_src_signals), |
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| 267 | + .ops = { |
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| 268 | + .assert = imx8mq_reset_assert, |
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| 269 | + .deassert = imx8mq_reset_deassert, |
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| 270 | + }, |
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| 271 | +}; |
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| 272 | + |
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| 273 | +static const struct imx7_src_signal imx8mp_src_signals[IMX8MP_RESET_NUM] = { |
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| 274 | + [IMX8MP_RESET_A53_CORE_POR_RESET0] = { SRC_A53RCR0, BIT(0) }, |
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| 275 | + [IMX8MP_RESET_A53_CORE_POR_RESET1] = { SRC_A53RCR0, BIT(1) }, |
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| 276 | + [IMX8MP_RESET_A53_CORE_POR_RESET2] = { SRC_A53RCR0, BIT(2) }, |
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| 277 | + [IMX8MP_RESET_A53_CORE_POR_RESET3] = { SRC_A53RCR0, BIT(3) }, |
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| 278 | + [IMX8MP_RESET_A53_CORE_RESET0] = { SRC_A53RCR0, BIT(4) }, |
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| 279 | + [IMX8MP_RESET_A53_CORE_RESET1] = { SRC_A53RCR0, BIT(5) }, |
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| 280 | + [IMX8MP_RESET_A53_CORE_RESET2] = { SRC_A53RCR0, BIT(6) }, |
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| 281 | + [IMX8MP_RESET_A53_CORE_RESET3] = { SRC_A53RCR0, BIT(7) }, |
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| 282 | + [IMX8MP_RESET_A53_DBG_RESET0] = { SRC_A53RCR0, BIT(8) }, |
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| 283 | + [IMX8MP_RESET_A53_DBG_RESET1] = { SRC_A53RCR0, BIT(9) }, |
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| 284 | + [IMX8MP_RESET_A53_DBG_RESET2] = { SRC_A53RCR0, BIT(10) }, |
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| 285 | + [IMX8MP_RESET_A53_DBG_RESET3] = { SRC_A53RCR0, BIT(11) }, |
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| 286 | + [IMX8MP_RESET_A53_ETM_RESET0] = { SRC_A53RCR0, BIT(12) }, |
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| 287 | + [IMX8MP_RESET_A53_ETM_RESET1] = { SRC_A53RCR0, BIT(13) }, |
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| 288 | + [IMX8MP_RESET_A53_ETM_RESET2] = { SRC_A53RCR0, BIT(14) }, |
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| 289 | + [IMX8MP_RESET_A53_ETM_RESET3] = { SRC_A53RCR0, BIT(15) }, |
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| 290 | + [IMX8MP_RESET_A53_SOC_DBG_RESET] = { SRC_A53RCR0, BIT(20) }, |
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| 291 | + [IMX8MP_RESET_A53_L2RESET] = { SRC_A53RCR0, BIT(21) }, |
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| 292 | + [IMX8MP_RESET_SW_NON_SCLR_M7C_RST] = { SRC_M4RCR, BIT(0) }, |
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| 293 | + [IMX8MP_RESET_OTG1_PHY_RESET] = { SRC_USBOPHY1_RCR, BIT(0) }, |
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| 294 | + [IMX8MP_RESET_OTG2_PHY_RESET] = { SRC_USBOPHY2_RCR, BIT(0) }, |
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| 295 | + [IMX8MP_RESET_SUPERMIX_RESET] = { SRC_SUPERMIX_RCR, BIT(0) }, |
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| 296 | + [IMX8MP_RESET_AUDIOMIX_RESET] = { SRC_AUDIOMIX_RCR, BIT(0) }, |
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| 297 | + [IMX8MP_RESET_MLMIX_RESET] = { SRC_MLMIX_RCR, BIT(0) }, |
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| 298 | + [IMX8MP_RESET_PCIEPHY] = { SRC_PCIEPHY_RCR, BIT(2) }, |
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| 299 | + [IMX8MP_RESET_PCIEPHY_PERST] = { SRC_PCIEPHY_RCR, BIT(3) }, |
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| 300 | + [IMX8MP_RESET_PCIE_CTRL_APPS_EN] = { SRC_PCIEPHY_RCR, BIT(6) }, |
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| 301 | + [IMX8MP_RESET_PCIE_CTRL_APPS_TURNOFF] = { SRC_PCIEPHY_RCR, BIT(11) }, |
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| 302 | + [IMX8MP_RESET_HDMI_PHY_APB_RESET] = { SRC_HDMI_RCR, BIT(0) }, |
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| 303 | + [IMX8MP_RESET_MEDIA_RESET] = { SRC_DISP_RCR, BIT(0) }, |
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| 304 | + [IMX8MP_RESET_GPU2D_RESET] = { SRC_GPU2D_RCR, BIT(0) }, |
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| 305 | + [IMX8MP_RESET_GPU3D_RESET] = { SRC_GPU3D_RCR, BIT(0) }, |
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| 306 | + [IMX8MP_RESET_GPU_RESET] = { SRC_GPU_RCR, BIT(0) }, |
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| 307 | + [IMX8MP_RESET_VPU_RESET] = { SRC_VPU_RCR, BIT(0) }, |
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| 308 | + [IMX8MP_RESET_VPU_G1_RESET] = { SRC_VPU_G1_RCR, BIT(0) }, |
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| 309 | + [IMX8MP_RESET_VPU_G2_RESET] = { SRC_VPU_G2_RCR, BIT(0) }, |
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| 310 | + [IMX8MP_RESET_VPUVC8KE_RESET] = { SRC_VPUVC8KE_RCR, BIT(0) }, |
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| 311 | + [IMX8MP_RESET_NOC_RESET] = { SRC_NOC_RCR, BIT(0) }, |
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| 312 | +}; |
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| 313 | + |
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| 314 | +static int imx8mp_reset_set(struct reset_controller_dev *rcdev, |
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| 315 | + unsigned long id, bool assert) |
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| 316 | +{ |
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| 317 | + struct imx7_src *imx7src = to_imx7_src(rcdev); |
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| 318 | + const unsigned int bit = imx7src->signals[id].bit; |
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| 319 | + unsigned int value = assert ? bit : 0; |
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| 320 | + |
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| 321 | + switch (id) { |
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| 322 | + case IMX8MP_RESET_PCIEPHY: |
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| 323 | + /* |
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| 324 | + * wait for more than 10us to release phy g_rst and |
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| 325 | + * btnrst |
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| 326 | + */ |
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| 327 | + if (!assert) |
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| 328 | + udelay(10); |
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| 329 | + break; |
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| 330 | + |
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| 331 | + case IMX8MP_RESET_PCIE_CTRL_APPS_EN: |
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| 332 | + case IMX8MP_RESET_PCIEPHY_PERST: |
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| 333 | + value = assert ? 0 : bit; |
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| 334 | + break; |
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| 335 | + } |
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| 336 | + |
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| 337 | + return imx7_reset_update(imx7src, id, value); |
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| 338 | +} |
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| 339 | + |
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| 340 | +static int imx8mp_reset_assert(struct reset_controller_dev *rcdev, |
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| 341 | + unsigned long id) |
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| 342 | +{ |
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| 343 | + return imx8mp_reset_set(rcdev, id, true); |
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| 344 | +} |
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| 345 | + |
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| 346 | +static int imx8mp_reset_deassert(struct reset_controller_dev *rcdev, |
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| 347 | + unsigned long id) |
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| 348 | +{ |
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| 349 | + return imx8mp_reset_set(rcdev, id, false); |
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| 350 | +} |
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| 351 | + |
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| 352 | +static const struct imx7_src_variant variant_imx8mp = { |
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| 353 | + .signals = imx8mp_src_signals, |
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| 354 | + .signals_num = ARRAY_SIZE(imx8mp_src_signals), |
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| 355 | + .ops = { |
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| 356 | + .assert = imx8mp_reset_assert, |
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| 357 | + .deassert = imx8mp_reset_deassert, |
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| 358 | + }, |
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120 | 359 | }; |
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121 | 360 | |
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122 | 361 | static int imx7_reset_probe(struct platform_device *pdev) |
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.. | .. |
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124 | 363 | struct imx7_src *imx7src; |
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125 | 364 | struct device *dev = &pdev->dev; |
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126 | 365 | struct regmap_config config = { .name = "src" }; |
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| 366 | + const struct imx7_src_variant *variant = of_device_get_match_data(dev); |
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127 | 367 | |
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128 | 368 | imx7src = devm_kzalloc(dev, sizeof(*imx7src), GFP_KERNEL); |
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129 | 369 | if (!imx7src) |
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130 | 370 | return -ENOMEM; |
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131 | 371 | |
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| 372 | + imx7src->signals = variant->signals; |
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132 | 373 | imx7src->regmap = syscon_node_to_regmap(dev->of_node); |
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133 | 374 | if (IS_ERR(imx7src->regmap)) { |
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134 | 375 | dev_err(dev, "Unable to get imx7-src regmap"); |
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.. | .. |
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137 | 378 | regmap_attach_dev(dev, imx7src->regmap, &config); |
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138 | 379 | |
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139 | 380 | imx7src->rcdev.owner = THIS_MODULE; |
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140 | | - imx7src->rcdev.nr_resets = IMX7_RESET_NUM; |
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141 | | - imx7src->rcdev.ops = &imx7_reset_ops; |
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| 381 | + imx7src->rcdev.nr_resets = variant->signals_num; |
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| 382 | + imx7src->rcdev.ops = &variant->ops; |
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142 | 383 | imx7src->rcdev.of_node = dev->of_node; |
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143 | 384 | |
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144 | 385 | return devm_reset_controller_register(dev, &imx7src->rcdev); |
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145 | 386 | } |
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146 | 387 | |
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147 | 388 | static const struct of_device_id imx7_reset_dt_ids[] = { |
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148 | | - { .compatible = "fsl,imx7d-src", }, |
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| 389 | + { .compatible = "fsl,imx7d-src", .data = &variant_imx7 }, |
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| 390 | + { .compatible = "fsl,imx8mq-src", .data = &variant_imx8mq }, |
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| 391 | + { .compatible = "fsl,imx8mp-src", .data = &variant_imx8mp }, |
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149 | 392 | { /* sentinel */ }, |
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150 | 393 | }; |
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| 394 | +MODULE_DEVICE_TABLE(of, imx7_reset_dt_ids); |
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151 | 395 | |
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152 | 396 | static struct platform_driver imx7_reset_driver = { |
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153 | 397 | .probe = imx7_reset_probe, |
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.. | .. |
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156 | 400 | .of_match_table = imx7_reset_dt_ids, |
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157 | 401 | }, |
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158 | 402 | }; |
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159 | | -builtin_platform_driver(imx7_reset_driver); |
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| 403 | +module_platform_driver(imx7_reset_driver); |
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| 404 | + |
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| 405 | +MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>"); |
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| 406 | +MODULE_DESCRIPTION("NXP i.MX7 reset driver"); |
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| 407 | +MODULE_LICENSE("GPL v2"); |
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