Angel Pons | 141402d | 2020-04-05 13:22:16 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 2 | |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 3 | #include <boardid.h> |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 4 | #include <bootmode.h> |
| 5 | #include <console/console.h> |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 6 | #include <delay.h> |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 7 | #include <device/device.h> |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 8 | #include <drivers/parade/ps8640/ps8640.h> |
| 9 | #include <edid.h> |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 10 | #include <gpio.h> |
henryc.chen | 316ded8 | 2016-03-11 14:55:30 +0800 | [diff] [blame] | 11 | #include <soc/da9212.h> |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 12 | #include <soc/ddp.h> |
| 13 | #include <soc/dsi.h> |
jun.gao | f059e97 | 2015-12-17 16:59:55 +0800 | [diff] [blame] | 14 | #include <soc/i2c.h> |
henryc.chen | 316ded8 | 2016-03-11 14:55:30 +0800 | [diff] [blame] | 15 | #include <soc/mt6311.h> |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 16 | #include <soc/mt6391.h> |
| 17 | #include <soc/mtcmos.h> |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 18 | #include <soc/pll.h> |
Ben Lok | a737940 | 2015-07-31 17:11:11 +0800 | [diff] [blame] | 19 | #include <soc/usb.h> |
CC Ma | 72980b1 | 2015-09-15 17:33:38 +0800 | [diff] [blame] | 20 | #include <vendorcode/google/chromeos/chromeos.h> |
Patrick Rudolph | 8b56c8c | 2020-02-19 12:57:00 +0100 | [diff] [blame] | 21 | #include <framebuffer_info.h> |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 22 | |
henryc.chen | 316ded8 | 2016-03-11 14:55:30 +0800 | [diff] [blame] | 23 | enum { |
| 24 | CODEC_I2C_BUS = 0, |
| 25 | EXT_BUCK_I2C_BUS = 1, |
| 26 | }; |
| 27 | |
| 28 | static void configure_ext_buck(void) |
Jimmy Huang | 27eba67 | 2015-07-31 17:11:00 +0800 | [diff] [blame] | 29 | { |
henryc.chen | 316ded8 | 2016-03-11 14:55:30 +0800 | [diff] [blame] | 30 | mtk_i2c_bus_init(EXT_BUCK_I2C_BUS); |
jun.gao | f059e97 | 2015-12-17 16:59:55 +0800 | [diff] [blame] | 31 | |
Julius Werner | 9a57095 | 2016-03-14 20:12:18 -0700 | [diff] [blame] | 32 | switch (board_id() + CONFIG_BOARD_ID_ADJUSTMENT) { |
henryc.chen | 70b3044 | 2015-12-23 11:45:29 +0800 | [diff] [blame] | 33 | case 3: |
| 34 | case 4: |
Jimmy Huang | 27eba67 | 2015-07-31 17:11:00 +0800 | [diff] [blame] | 35 | /* rev-3 and rev-4 use mt6311 as external buck */ |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 36 | gpio_output(GPIO(EINT15), 1); |
henryc.chen | 316ded8 | 2016-03-11 14:55:30 +0800 | [diff] [blame] | 37 | udelay(500); |
| 38 | mt6311_probe(EXT_BUCK_I2C_BUS); |
Jimmy Huang | 27eba67 | 2015-07-31 17:11:00 +0800 | [diff] [blame] | 39 | break; |
henryc.chen | 70b3044 | 2015-12-23 11:45:29 +0800 | [diff] [blame] | 40 | case 2: |
| 41 | default: |
| 42 | /* rev-2 and rev-5 use da9212 as external buck */ |
henryc.chen | 316ded8 | 2016-03-11 14:55:30 +0800 | [diff] [blame] | 43 | mt6391_gpio_output(MT6391_KP_ROW3, 1); /* DA9212_IC_EN */ |
| 44 | mt6391_gpio_output(MT6391_KP_ROW4, 1); /* DA9212_EN_A */ |
| 45 | udelay(500); /* add 500us delay for powering on da9212 */ |
| 46 | da9212_probe(EXT_BUCK_I2C_BUS); |
henryc.chen | 70b3044 | 2015-12-23 11:45:29 +0800 | [diff] [blame] | 47 | break; |
Jimmy Huang | 27eba67 | 2015-07-31 17:11:00 +0800 | [diff] [blame] | 48 | } |
| 49 | } |
| 50 | |
YH Huang | 5d687ad | 2016-07-14 11:49:01 +0800 | [diff] [blame] | 51 | static void configure_touchscreen(void) |
| 52 | { |
| 53 | /* Pull low reset gpio for 500us and then pull high */ |
| 54 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT >= 7) { |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 55 | gpio_output(GPIO(PCM_SYNC), 0); |
YH Huang | 5d687ad | 2016-07-14 11:49:01 +0800 | [diff] [blame] | 56 | udelay(500); |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 57 | gpio_output(GPIO(PCM_SYNC), 1); |
YH Huang | 5d687ad | 2016-07-14 11:49:01 +0800 | [diff] [blame] | 58 | } |
| 59 | } |
| 60 | |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 61 | static void configure_audio(void) |
| 62 | { |
| 63 | mtcmos_audio_power_on(); |
| 64 | |
Koro Chen | 603cb85 | 2015-12-30 17:50:56 +0800 | [diff] [blame] | 65 | /* vgp1 set to 1.8V */ |
| 66 | mt6391_configure_ldo(LDO_VCAMD, LDO_1P8); |
| 67 | /* delay 1ms for realtek's power sequence request */ |
| 68 | mdelay(1); |
| 69 | /* vcama set to 1.8V */ |
| 70 | mt6391_configure_ldo(LDO_VCAMA, LDO_1P8); |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 71 | |
| 72 | /* reset ALC5676 */ |
Julius Werner | 9a57095 | 2016-03-14 20:12:18 -0700 | [diff] [blame] | 73 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT < 5) |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 74 | gpio_output(GPIO(LCM_RST), 1); |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 75 | |
| 76 | /* SoC I2S */ |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 77 | gpio_set_mode(GPIO(I2S0_LRCK), PAD_I2S0_LRCK_FUNC_I2S1_WS); |
| 78 | gpio_set_mode(GPIO(I2S0_BCK), PAD_I2S0_BCK_FUNC_I2S1_BCK); |
| 79 | gpio_set_mode(GPIO(I2S0_MCK), PAD_I2S0_MCK_FUNC_I2S1_MCK); |
| 80 | gpio_set_mode(GPIO(I2S0_DATA0), PAD_I2S0_DATA0_FUNC_I2S1_DO_1); |
| 81 | gpio_set_mode(GPIO(I2S0_DATA1), PAD_I2S0_DATA1_FUNC_I2S2_DI_2); |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 82 | /* codec ext MCLK ON */ |
| 83 | mt6391_gpio_output(MT6391_KP_COL4, 1); |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 84 | |
| 85 | switch (board_id() + CONFIG_BOARD_ID_ADJUSTMENT) { |
| 86 | case 2: |
| 87 | case 3: |
| 88 | case 4: |
| 89 | mt6391_gpio_output(MT6391_KP_COL5, 1); |
| 90 | break; |
| 91 | case 5: |
| 92 | case 6: |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 93 | gpio_set_mode(GPIO(UCTS0), PAD_UCTS0_FUNC_I2S2_DI_1); |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 94 | mt6391_gpio_output(MT6391_KP_COL5, 1); |
| 95 | break; |
| 96 | default: |
| 97 | break; |
| 98 | } |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 99 | |
jun.gao | f059e97 | 2015-12-17 16:59:55 +0800 | [diff] [blame] | 100 | /* Init i2c bus Timing register for audio codecs */ |
henryc.chen | 316ded8 | 2016-03-11 14:55:30 +0800 | [diff] [blame] | 101 | mtk_i2c_bus_init(CODEC_I2C_BUS); |
jun.gao | f059e97 | 2015-12-17 16:59:55 +0800 | [diff] [blame] | 102 | |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 103 | /* set I2S clock to 48KHz */ |
| 104 | mt_pll_set_aud_div(48 * KHz); |
| 105 | } |
| 106 | |
Ben Lok | a737940 | 2015-07-31 17:11:11 +0800 | [diff] [blame] | 107 | static void configure_usb(void) |
| 108 | { |
| 109 | setup_usb_host(); |
| 110 | |
Julius Werner | 9a57095 | 2016-03-14 20:12:18 -0700 | [diff] [blame] | 111 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT > 3) { |
Yidi Lin | 57debca | 2017-02-17 15:59:17 +0800 | [diff] [blame] | 112 | /* Type C port 0 Over current alert pin */ |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 113 | gpio_input_pullup(GPIO(MSDC3_DSL)); |
Evan Green | 0aa1f9e | 2019-03-26 11:37:30 -0700 | [diff] [blame] | 114 | /* Enable USB3 type A port 0 5V load switch */ |
| 115 | gpio_output(GPIO(CM2MCLK), 1); |
| 116 | /* USB3 Type A port 0 power over current alert pin */ |
| 117 | gpio_input_pullup(GPIO(CMPCLK)); |
Yidi Lin | 57debca | 2017-02-17 15:59:17 +0800 | [diff] [blame] | 118 | /* Type C port 1 over current alert pin */ |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 119 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT < 7) |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 120 | gpio_input_pullup(GPIO(PCM_SYNC)); |
Yidi Lin | 358f66a | 2016-01-11 10:05:46 +0800 | [diff] [blame] | 121 | } |
| 122 | |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 123 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT > 4 && |
| 124 | board_id() + CONFIG_BOARD_ID_ADJUSTMENT < 7) |
| 125 | { |
Yidi Lin | 358f66a | 2016-01-11 10:05:46 +0800 | [diff] [blame] | 126 | /* USB 2.0 type A port over current interrupt pin(low active) */ |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 127 | gpio_input_pullup(GPIO(UCTS2)); |
Yidi Lin | 358f66a | 2016-01-11 10:05:46 +0800 | [diff] [blame] | 128 | /* USB 2.0 type A port BC1.2 STATUS(low active) */ |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 129 | gpio_input_pullup(GPIO(AUD_DAT_MISO)); |
Yidi Lin | 358f66a | 2016-01-11 10:05:46 +0800 | [diff] [blame] | 130 | } |
Ben Lok | a737940 | 2015-07-31 17:11:11 +0800 | [diff] [blame] | 131 | } |
| 132 | |
Ben Lok | 7d7dc20 | 2016-01-08 13:10:34 +0800 | [diff] [blame] | 133 | static void configure_usb_hub(void) |
| 134 | { |
Elyes HAOUAS | 44f558e | 2020-02-24 13:26:04 +0100 | [diff] [blame] | 135 | /* set USB hub reset pin (low active) to high */ |
Julius Werner | 9a57095 | 2016-03-14 20:12:18 -0700 | [diff] [blame] | 136 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT > 4) |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 137 | gpio_output(GPIO(UTXD3), 1); |
Ben Lok | 7d7dc20 | 2016-01-08 13:10:34 +0800 | [diff] [blame] | 138 | } |
| 139 | |
YH Huang | 1fcee36 | 2015-07-31 17:11:07 +0800 | [diff] [blame] | 140 | /* Setup backlight control pins as output pin and power-off by default */ |
| 141 | static void configure_backlight(void) |
| 142 | { |
Yidi Lin | 0443ecc | 2015-12-28 16:40:54 +0800 | [diff] [blame] | 143 | /* Configure PANEL_LCD_POWER_EN */ |
Julius Werner | 9a57095 | 2016-03-14 20:12:18 -0700 | [diff] [blame] | 144 | switch (board_id() + CONFIG_BOARD_ID_ADJUSTMENT) { |
YH Huang | 1fcee36 | 2015-07-31 17:11:07 +0800 | [diff] [blame] | 145 | case 3: |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 146 | gpio_output(GPIO(UCTS2), 0); |
YH Huang | 1fcee36 | 2015-07-31 17:11:07 +0800 | [diff] [blame] | 147 | break; |
| 148 | case 4: |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 149 | gpio_output(GPIO(SRCLKENAI), 0); |
Yidi Lin | 0443ecc | 2015-12-28 16:40:54 +0800 | [diff] [blame] | 150 | break; |
YH Huang | 1fcee36 | 2015-07-31 17:11:07 +0800 | [diff] [blame] | 151 | default: |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 152 | gpio_output(GPIO(UTXD2), 0); |
YH Huang | 1fcee36 | 2015-07-31 17:11:07 +0800 | [diff] [blame] | 153 | break; |
| 154 | } |
Yidi Lin | 0443ecc | 2015-12-28 16:40:54 +0800 | [diff] [blame] | 155 | |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 156 | gpio_output(GPIO(DISP_PWM0), 0); /* DISP_PWM0 */ |
| 157 | gpio_output(GPIO(PCM_TX), 0); /* PANEL_POWER_EN */ |
YH Huang | 1fcee36 | 2015-07-31 17:11:07 +0800 | [diff] [blame] | 158 | } |
| 159 | |
Jitao Shi | 8ea218b | 2016-01-11 19:24:37 +0800 | [diff] [blame] | 160 | static void configure_display(void) |
| 161 | { |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 162 | /* board from Rev2 */ |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 163 | gpio_output(GPIO(CMMCLK), 1); /* PANEL_3V3_ENABLE */ |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 164 | /* vgp2 set to 3.3V for ps8640 */ |
| 165 | mt6391_configure_ldo(LDO_VGP2, LDO_3P3); |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 166 | gpio_output(GPIO(URTS0), 0); /* PS8640_SYSRSTN */ |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 167 | /* PS8640_1V2_ENABLE */ |
| 168 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT == 4) |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 169 | gpio_output(GPIO(SRCLKENAI2), 1); |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 170 | else |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 171 | gpio_output(GPIO(URTS2), 1); |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 172 | /* delay 2ms for vgp2 and PS8640_1V2_ENABLE stable */ |
| 173 | mdelay(2); |
| 174 | /* PS8640_PDN */ |
| 175 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT > 4) |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 176 | gpio_output(GPIO(LCM_RST), 1); |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 177 | else |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 178 | gpio_output(GPIO(UCTS0), 1); |
| 179 | gpio_output(GPIO(PCM_CLK), 1); /* PS8640_MODE_CONF */ |
| 180 | gpio_output(GPIO(URTS0), 1); /* PS8640_SYSRSTN */ |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 181 | /* for level shift(1.8V to 3.3V) on */ |
| 182 | udelay(100); |
Jitao Shi | 8ea218b | 2016-01-11 19:24:37 +0800 | [diff] [blame] | 183 | } |
| 184 | |
Daniel Kurtz | 8e055f8 | 2017-04-20 15:31:33 +0800 | [diff] [blame] | 185 | static int read_edid_from_ps8640(struct edid *edid) |
| 186 | { |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 187 | u8 i2c_bus, i2c_addr; |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 188 | |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 189 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT > 6) { |
| 190 | i2c_bus = 0; |
| 191 | i2c_addr = 0x8; |
| 192 | } else { |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 193 | i2c_bus = 4; |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 194 | i2c_addr = 0x18; |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 195 | } |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 196 | |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 197 | mtk_i2c_bus_init(i2c_bus); |
| 198 | |
Yidi Lin | 19318dd | 2016-03-16 16:59:17 +0800 | [diff] [blame] | 199 | ps8640_init(i2c_bus, i2c_addr); |
Daniel Kurtz | 8e055f8 | 2017-04-20 15:31:33 +0800 | [diff] [blame] | 200 | if (ps8640_get_edid(i2c_bus, i2c_addr, edid)) { |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 201 | printk(BIOS_ERR, "Can't get panel's edid\n"); |
Daniel Kurtz | 8e055f8 | 2017-04-20 15:31:33 +0800 | [diff] [blame] | 202 | return -1; |
| 203 | } |
| 204 | |
| 205 | return 0; |
| 206 | } |
| 207 | |
| 208 | static void display_startup(void) |
| 209 | { |
| 210 | struct edid edid; |
| 211 | int ret; |
| 212 | u32 mipi_dsi_flags; |
Daniel Kurtz | 8e055f8 | 2017-04-20 15:31:33 +0800 | [diff] [blame] | 213 | |
Evan Green | 0aa1f9e | 2019-03-26 11:37:30 -0700 | [diff] [blame] | 214 | if (read_edid_from_ps8640(&edid) < 0) |
| 215 | return; |
Daniel Kurtz | 8e055f8 | 2017-04-20 15:31:33 +0800 | [diff] [blame] | 216 | |
Evan Green | 0aa1f9e | 2019-03-26 11:37:30 -0700 | [diff] [blame] | 217 | mipi_dsi_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE; |
Daniel Kurtz | 2332ada | 2017-04-20 12:30:00 +0800 | [diff] [blame] | 218 | edid_set_framebuffer_bits_per_pixel(&edid, 32, 0); |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 219 | |
Hung-Te Lin | 1c6e5a6 | 2019-08-05 14:38:30 +0800 | [diff] [blame] | 220 | mtk_ddp_init(); |
Hung-Te Lin | 75e4314 | 2019-08-07 10:31:27 +0800 | [diff] [blame] | 221 | ret = mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, &edid, NULL); |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 222 | if (ret < 0) { |
| 223 | printk(BIOS_ERR, "dsi init fail\n"); |
| 224 | return; |
| 225 | } |
| 226 | |
Hung-Te Lin | 1c6e5a6 | 2019-08-05 14:38:30 +0800 | [diff] [blame] | 227 | mtk_ddp_mode_set(&edid); |
Patrick Rudolph | 8b56c8c | 2020-02-19 12:57:00 +0100 | [diff] [blame] | 228 | fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0); |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 229 | } |
| 230 | |
Elyes HAOUAS | d129d43 | 2018-05-04 20:23:33 +0200 | [diff] [blame] | 231 | static void mainboard_init(struct device *dev) |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 232 | { |
Ben Lok | a737940 | 2015-07-31 17:11:11 +0800 | [diff] [blame] | 233 | /* TP_SHIFT_EN: Enables the level shifter for I2C bus 4 (TPAD), which |
| 234 | * also contains the PS8640 eDP brige and the USB hub. |
| 235 | */ |
Julius Werner | 9a57095 | 2016-03-14 20:12:18 -0700 | [diff] [blame] | 236 | if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT < 5) |
Yidi Lin | cd6aac1 | 2015-12-28 17:22:33 +0800 | [diff] [blame] | 237 | mt6391_gpio_output(MT6391_KP_ROW2, 1); |
Ben Lok | a737940 | 2015-07-31 17:11:11 +0800 | [diff] [blame] | 238 | |
Yidi Lin | b9b2c6f | 2015-11-13 16:21:48 +0800 | [diff] [blame] | 239 | /* Config SD card detection pin */ |
Tristan Shieh | 71d227b | 2018-07-09 18:59:32 +0800 | [diff] [blame] | 240 | gpio_input_pullup(GPIO(EINT1)); /* SD_DET */ |
Yidi Lin | b9b2c6f | 2015-11-13 16:21:48 +0800 | [diff] [blame] | 241 | |
Koro Chen | 9733ba5 | 2015-07-31 17:11:04 +0800 | [diff] [blame] | 242 | configure_audio(); |
Martin Roth | c7dfbe2 | 2016-07-22 11:15:12 -0600 | [diff] [blame] | 243 | |
| 244 | /* fix dsi lp mode is half voltage attenuation */ |
| 245 | mtk_dsi_pin_drv_ctrl(); |
| 246 | |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 247 | if (display_init_required()) { |
Daniel Kurtz | 8e055f8 | 2017-04-20 15:31:33 +0800 | [diff] [blame] | 248 | mtcmos_display_power_on(); |
Evan Green | 0aa1f9e | 2019-03-26 11:37:30 -0700 | [diff] [blame] | 249 | configure_backlight(); |
| 250 | configure_display(); |
Daniel Kurtz | 8e055f8 | 2017-04-20 15:31:33 +0800 | [diff] [blame] | 251 | display_startup(); |
Jitao Shi | 4a04a7b | 2016-01-08 16:02:13 +0800 | [diff] [blame] | 252 | } else { |
| 253 | printk(BIOS_INFO, "Skipping display init.\n"); |
| 254 | } |
Ben Lok | a737940 | 2015-07-31 17:11:11 +0800 | [diff] [blame] | 255 | configure_usb(); |
Ben Lok | 7d7dc20 | 2016-01-08 13:10:34 +0800 | [diff] [blame] | 256 | configure_usb_hub(); |
henryc.chen | 316ded8 | 2016-03-11 14:55:30 +0800 | [diff] [blame] | 257 | configure_ext_buck(); |
YH Huang | 5d687ad | 2016-07-14 11:49:01 +0800 | [diff] [blame] | 258 | configure_touchscreen(); |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 259 | } |
| 260 | |
Elyes HAOUAS | d129d43 | 2018-05-04 20:23:33 +0200 | [diff] [blame] | 261 | static void mainboard_enable(struct device *dev) |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 262 | { |
| 263 | dev->ops->init = &mainboard_init; |
| 264 | } |
| 265 | |
| 266 | struct chip_operations mainboard_ops = { |
Yidi Lin | 3d7b606 | 2015-07-31 17:10:40 +0800 | [diff] [blame] | 267 | .enable_dev = mainboard_enable, |
| 268 | }; |