| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * gpio.h -- GPIO Driver for Wolfson WM8350 PMIC |
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| 4 | * |
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| 5 | * Copyright 2007 Wolfson Microelectronics PLC |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef __LINUX_MFD_WM8350_GPIO_H_ |
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| 9 | #define __LINUX_MFD_WM8350_GPIO_H_ |
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| 10 | |
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| 11 | #include <linux/platform_device.h> |
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| 12 | |
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| 13 | /* |
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| 14 | * GPIO Registers. |
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| 15 | */ |
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| 16 | #define WM8350_GPIO_DEBOUNCE 0x80 |
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| 17 | #define WM8350_GPIO_PIN_PULL_UP_CONTROL 0x81 |
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| 18 | #define WM8350_GPIO_PULL_DOWN_CONTROL 0x82 |
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| 19 | #define WM8350_GPIO_INT_MODE 0x83 |
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| 20 | #define WM8350_GPIO_CONTROL 0x85 |
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| 21 | #define WM8350_GPIO_CONFIGURATION_I_O 0x86 |
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| 22 | #define WM8350_GPIO_PIN_POLARITY_TYPE 0x87 |
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| 23 | #define WM8350_GPIO_FUNCTION_SELECT_1 0x8C |
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| 24 | #define WM8350_GPIO_FUNCTION_SELECT_2 0x8D |
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| 25 | #define WM8350_GPIO_FUNCTION_SELECT_3 0x8E |
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| 26 | #define WM8350_GPIO_FUNCTION_SELECT_4 0x8F |
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| 27 | #define WM8350_GPIO_LEVEL 0xE6 |
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| 28 | |
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| 29 | /* |
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| 30 | * GPIO Functions |
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| 31 | */ |
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| 32 | #define WM8350_GPIO0_GPIO_IN 0x0 |
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| 33 | #define WM8350_GPIO0_GPIO_OUT 0x0 |
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| 34 | #define WM8350_GPIO0_PWR_ON_IN 0x1 |
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| 35 | #define WM8350_GPIO0_PWR_ON_OUT 0x1 |
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| 36 | #define WM8350_GPIO0_LDO_EN_IN 0x2 |
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| 37 | #define WM8350_GPIO0_VRTC_OUT 0x2 |
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| 38 | #define WM8350_GPIO0_LPWR1_IN 0x3 |
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| 39 | #define WM8350_GPIO0_POR_B_OUT 0x3 |
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| 40 | |
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| 41 | #define WM8350_GPIO1_GPIO_IN 0x0 |
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| 42 | #define WM8350_GPIO1_GPIO_OUT 0x0 |
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| 43 | #define WM8350_GPIO1_PWR_ON_IN 0x1 |
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| 44 | #define WM8350_GPIO1_DO_CONF_OUT 0x1 |
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| 45 | #define WM8350_GPIO1_LDO_EN_IN 0x2 |
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| 46 | #define WM8350_GPIO1_RESET_OUT 0x2 |
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| 47 | #define WM8350_GPIO1_LPWR2_IN 0x3 |
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| 48 | #define WM8350_GPIO1_MEMRST_OUT 0x3 |
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| 49 | |
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| 50 | #define WM8350_GPIO2_GPIO_IN 0x0 |
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| 51 | #define WM8350_GPIO2_GPIO_OUT 0x0 |
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| 52 | #define WM8350_GPIO2_PWR_ON_IN 0x1 |
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| 53 | #define WM8350_GPIO2_PWR_ON_OUT 0x1 |
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| 54 | #define WM8350_GPIO2_WAKE_UP_IN 0x2 |
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| 55 | #define WM8350_GPIO2_VRTC_OUT 0x2 |
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| 56 | #define WM8350_GPIO2_32KHZ_IN 0x3 |
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| 57 | #define WM8350_GPIO2_32KHZ_OUT 0x3 |
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| 58 | |
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| 59 | #define WM8350_GPIO3_GPIO_IN 0x0 |
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| 60 | #define WM8350_GPIO3_GPIO_OUT 0x0 |
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| 61 | #define WM8350_GPIO3_PWR_ON_IN 0x1 |
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| 62 | #define WM8350_GPIO3_P_CLK_OUT 0x1 |
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| 63 | #define WM8350_GPIO3_LDO_EN_IN 0x2 |
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| 64 | #define WM8350_GPIO3_VRTC_OUT 0x2 |
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| 65 | #define WM8350_GPIO3_PWR_OFF_IN 0x3 |
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| 66 | #define WM8350_GPIO3_32KHZ_OUT 0x3 |
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| 67 | |
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| 68 | #define WM8350_GPIO4_GPIO_IN 0x0 |
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| 69 | #define WM8350_GPIO4_GPIO_OUT 0x0 |
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| 70 | #define WM8350_GPIO4_MR_IN 0x1 |
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| 71 | #define WM8350_GPIO4_MEM_RST_OUT 0x1 |
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| 72 | #define WM8350_GPIO4_FLASH_IN 0x2 |
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| 73 | #define WM8350_GPIO4_ADA_OUT 0x2 |
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| 74 | #define WM8350_GPIO4_HIBERNATE_IN 0x3 |
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| 75 | #define WM8350_GPIO4_FLASH_OUT 0x3 |
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| 76 | #define WM8350_GPIO4_MICDET_OUT 0x4 |
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| 77 | #define WM8350_GPIO4_MICSHT_OUT 0x5 |
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| 78 | |
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| 79 | #define WM8350_GPIO5_GPIO_IN 0x0 |
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| 80 | #define WM8350_GPIO5_GPIO_OUT 0x0 |
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| 81 | #define WM8350_GPIO5_LPWR1_IN 0x1 |
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| 82 | #define WM8350_GPIO5_P_CLK_OUT 0x1 |
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| 83 | #define WM8350_GPIO5_ADCLRCLK_IN 0x2 |
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| 84 | #define WM8350_GPIO5_ADCLRCLK_OUT 0x2 |
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| 85 | #define WM8350_GPIO5_HIBERNATE_IN 0x3 |
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| 86 | #define WM8350_GPIO5_32KHZ_OUT 0x3 |
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| 87 | #define WM8350_GPIO5_MICDET_OUT 0x4 |
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| 88 | #define WM8350_GPIO5_MICSHT_OUT 0x5 |
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| 89 | #define WM8350_GPIO5_ADA_OUT 0x6 |
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| 90 | #define WM8350_GPIO5_OPCLK_OUT 0x7 |
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| 91 | |
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| 92 | #define WM8350_GPIO6_GPIO_IN 0x0 |
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| 93 | #define WM8350_GPIO6_GPIO_OUT 0x0 |
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| 94 | #define WM8350_GPIO6_LPWR2_IN 0x1 |
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| 95 | #define WM8350_GPIO6_MEMRST_OUT 0x1 |
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| 96 | #define WM8350_GPIO6_FLASH_IN 0x2 |
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| 97 | #define WM8350_GPIO6_ADA_OUT 0x2 |
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| 98 | #define WM8350_GPIO6_HIBERNATE_IN 0x3 |
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| 99 | #define WM8350_GPIO6_RTC_OUT 0x3 |
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| 100 | #define WM8350_GPIO6_MICDET_OUT 0x4 |
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| 101 | #define WM8350_GPIO6_MICSHT_OUT 0x5 |
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| 102 | #define WM8350_GPIO6_ADCLRCLKB_OUT 0x6 |
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| 103 | #define WM8350_GPIO6_SDOUT_OUT 0x7 |
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| 104 | |
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| 105 | #define WM8350_GPIO7_GPIO_IN 0x0 |
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| 106 | #define WM8350_GPIO7_GPIO_OUT 0x0 |
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| 107 | #define WM8350_GPIO7_LPWR3_IN 0x1 |
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| 108 | #define WM8350_GPIO7_P_CLK_OUT 0x1 |
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| 109 | #define WM8350_GPIO7_MASK_IN 0x2 |
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| 110 | #define WM8350_GPIO7_VCC_FAULT_OUT 0x2 |
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| 111 | #define WM8350_GPIO7_HIBERNATE_IN 0x3 |
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| 112 | #define WM8350_GPIO7_BATT_FAULT_OUT 0x3 |
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| 113 | #define WM8350_GPIO7_MICDET_OUT 0x4 |
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| 114 | #define WM8350_GPIO7_MICSHT_OUT 0x5 |
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| 115 | #define WM8350_GPIO7_ADA_OUT 0x6 |
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| 116 | #define WM8350_GPIO7_CSB_IN 0x7 |
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| 117 | |
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| 118 | #define WM8350_GPIO8_GPIO_IN 0x0 |
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| 119 | #define WM8350_GPIO8_GPIO_OUT 0x0 |
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| 120 | #define WM8350_GPIO8_MR_IN 0x1 |
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| 121 | #define WM8350_GPIO8_VCC_FAULT_OUT 0x1 |
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| 122 | #define WM8350_GPIO8_ADCBCLK_IN 0x2 |
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| 123 | #define WM8350_GPIO8_ADCBCLK_OUT 0x2 |
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| 124 | #define WM8350_GPIO8_PWR_OFF_IN 0x3 |
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| 125 | #define WM8350_GPIO8_BATT_FAULT_OUT 0x3 |
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| 126 | #define WM8350_GPIO8_ALTSCL_IN 0xf |
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| 127 | |
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| 128 | #define WM8350_GPIO9_GPIO_IN 0x0 |
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| 129 | #define WM8350_GPIO9_GPIO_OUT 0x0 |
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| 130 | #define WM8350_GPIO9_HEARTBEAT_IN 0x1 |
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| 131 | #define WM8350_GPIO9_VCC_FAULT_OUT 0x1 |
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| 132 | #define WM8350_GPIO9_MASK_IN 0x2 |
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| 133 | #define WM8350_GPIO9_LINE_GT_BATT_OUT 0x2 |
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| 134 | #define WM8350_GPIO9_PWR_OFF_IN 0x3 |
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| 135 | #define WM8350_GPIO9_BATT_FAULT_OUT 0x3 |
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| 136 | #define WM8350_GPIO9_ALTSDA_OUT 0xf |
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| 137 | |
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| 138 | #define WM8350_GPIO10_GPIO_IN 0x0 |
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| 139 | #define WM8350_GPIO10_GPIO_OUT 0x0 |
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| 140 | #define WM8350_GPIO10_ISINKC_OUT 0x1 |
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| 141 | #define WM8350_GPIO10_PWR_OFF_IN 0x2 |
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| 142 | #define WM8350_GPIO10_LINE_GT_BATT_OUT 0x2 |
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| 143 | #define WM8350_GPIO10_CHD_IND_IN 0x3 |
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| 144 | |
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| 145 | #define WM8350_GPIO11_GPIO_IN 0x0 |
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| 146 | #define WM8350_GPIO11_GPIO_OUT 0x0 |
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| 147 | #define WM8350_GPIO11_ISINKD_OUT 0x1 |
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| 148 | #define WM8350_GPIO11_WAKEUP_IN 0x2 |
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| 149 | #define WM8350_GPIO11_LINE_GT_BATT_OUT 0x2 |
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| 150 | #define WM8350_GPIO11_CHD_IND_IN 0x3 |
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| 151 | |
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| 152 | #define WM8350_GPIO12_GPIO_IN 0x0 |
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| 153 | #define WM8350_GPIO12_GPIO_OUT 0x0 |
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| 154 | #define WM8350_GPIO12_ISINKE_OUT 0x1 |
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| 155 | #define WM8350_GPIO12_LINE_GT_BATT_OUT 0x2 |
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| 156 | #define WM8350_GPIO12_LINE_EN_OUT 0x3 |
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| 157 | #define WM8350_GPIO12_32KHZ_OUT 0x4 |
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| 158 | |
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| 159 | #define WM8350_GPIO_DIR_IN 0 |
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| 160 | #define WM8350_GPIO_DIR_OUT 1 |
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| 161 | #define WM8350_GPIO_ACTIVE_LOW 0 |
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| 162 | #define WM8350_GPIO_ACTIVE_HIGH 1 |
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| 163 | #define WM8350_GPIO_PULL_NONE 0 |
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| 164 | #define WM8350_GPIO_PULL_UP 1 |
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| 165 | #define WM8350_GPIO_PULL_DOWN 2 |
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| 166 | #define WM8350_GPIO_INVERT_OFF 0 |
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| 167 | #define WM8350_GPIO_INVERT_ON 1 |
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| 168 | #define WM8350_GPIO_DEBOUNCE_OFF 0 |
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| 169 | #define WM8350_GPIO_DEBOUNCE_ON 1 |
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| 170 | |
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| 171 | /* |
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| 172 | * R30 (0x1E) - GPIO Interrupt Status |
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| 173 | */ |
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| 174 | #define WM8350_GP12_EINT 0x1000 |
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| 175 | #define WM8350_GP11_EINT 0x0800 |
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| 176 | #define WM8350_GP10_EINT 0x0400 |
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| 177 | #define WM8350_GP9_EINT 0x0200 |
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| 178 | #define WM8350_GP8_EINT 0x0100 |
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| 179 | #define WM8350_GP7_EINT 0x0080 |
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| 180 | #define WM8350_GP6_EINT 0x0040 |
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| 181 | #define WM8350_GP5_EINT 0x0020 |
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| 182 | #define WM8350_GP4_EINT 0x0010 |
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| 183 | #define WM8350_GP3_EINT 0x0008 |
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| 184 | #define WM8350_GP2_EINT 0x0004 |
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| 185 | #define WM8350_GP1_EINT 0x0002 |
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| 186 | #define WM8350_GP0_EINT 0x0001 |
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| 187 | |
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| 188 | |
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| 189 | /* |
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| 190 | * R128 (0x80) - GPIO Debounce |
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| 191 | */ |
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| 192 | #define WM8350_GP12_DB 0x1000 |
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| 193 | #define WM8350_GP11_DB 0x0800 |
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| 194 | #define WM8350_GP10_DB 0x0400 |
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| 195 | #define WM8350_GP9_DB 0x0200 |
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| 196 | #define WM8350_GP8_DB 0x0100 |
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| 197 | #define WM8350_GP7_DB 0x0080 |
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| 198 | #define WM8350_GP6_DB 0x0040 |
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| 199 | #define WM8350_GP5_DB 0x0020 |
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| 200 | #define WM8350_GP4_DB 0x0010 |
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| 201 | #define WM8350_GP3_DB 0x0008 |
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| 202 | #define WM8350_GP2_DB 0x0004 |
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| 203 | #define WM8350_GP1_DB 0x0002 |
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| 204 | #define WM8350_GP0_DB 0x0001 |
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| 205 | |
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| 206 | /* |
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| 207 | * R129 (0x81) - GPIO Pin pull up Control |
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| 208 | */ |
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| 209 | #define WM8350_GP12_PU 0x1000 |
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| 210 | #define WM8350_GP11_PU 0x0800 |
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| 211 | #define WM8350_GP10_PU 0x0400 |
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| 212 | #define WM8350_GP9_PU 0x0200 |
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| 213 | #define WM8350_GP8_PU 0x0100 |
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| 214 | #define WM8350_GP7_PU 0x0080 |
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| 215 | #define WM8350_GP6_PU 0x0040 |
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| 216 | #define WM8350_GP5_PU 0x0020 |
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| 217 | #define WM8350_GP4_PU 0x0010 |
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| 218 | #define WM8350_GP3_PU 0x0008 |
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| 219 | #define WM8350_GP2_PU 0x0004 |
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| 220 | #define WM8350_GP1_PU 0x0002 |
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| 221 | #define WM8350_GP0_PU 0x0001 |
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| 222 | |
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| 223 | /* |
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| 224 | * R130 (0x82) - GPIO Pull down Control |
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| 225 | */ |
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| 226 | #define WM8350_GP12_PD 0x1000 |
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| 227 | #define WM8350_GP11_PD 0x0800 |
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| 228 | #define WM8350_GP10_PD 0x0400 |
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| 229 | #define WM8350_GP9_PD 0x0200 |
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| 230 | #define WM8350_GP8_PD 0x0100 |
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| 231 | #define WM8350_GP7_PD 0x0080 |
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| 232 | #define WM8350_GP6_PD 0x0040 |
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| 233 | #define WM8350_GP5_PD 0x0020 |
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| 234 | #define WM8350_GP4_PD 0x0010 |
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| 235 | #define WM8350_GP3_PD 0x0008 |
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| 236 | #define WM8350_GP2_PD 0x0004 |
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| 237 | #define WM8350_GP1_PD 0x0002 |
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| 238 | #define WM8350_GP0_PD 0x0001 |
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| 239 | |
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| 240 | /* |
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| 241 | * R131 (0x83) - GPIO Interrupt Mode |
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| 242 | */ |
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| 243 | #define WM8350_GP12_INTMODE 0x1000 |
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| 244 | #define WM8350_GP11_INTMODE 0x0800 |
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| 245 | #define WM8350_GP10_INTMODE 0x0400 |
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| 246 | #define WM8350_GP9_INTMODE 0x0200 |
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| 247 | #define WM8350_GP8_INTMODE 0x0100 |
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| 248 | #define WM8350_GP7_INTMODE 0x0080 |
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| 249 | #define WM8350_GP6_INTMODE 0x0040 |
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| 250 | #define WM8350_GP5_INTMODE 0x0020 |
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| 251 | #define WM8350_GP4_INTMODE 0x0010 |
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| 252 | #define WM8350_GP3_INTMODE 0x0008 |
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| 253 | #define WM8350_GP2_INTMODE 0x0004 |
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| 254 | #define WM8350_GP1_INTMODE 0x0002 |
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| 255 | #define WM8350_GP0_INTMODE 0x0001 |
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| 256 | |
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| 257 | /* |
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| 258 | * R133 (0x85) - GPIO Control |
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| 259 | */ |
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| 260 | #define WM8350_GP_DBTIME_MASK 0x00C0 |
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| 261 | |
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| 262 | /* |
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| 263 | * R134 (0x86) - GPIO Configuration (i/o) |
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| 264 | */ |
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| 265 | #define WM8350_GP12_DIR 0x1000 |
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| 266 | #define WM8350_GP11_DIR 0x0800 |
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| 267 | #define WM8350_GP10_DIR 0x0400 |
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| 268 | #define WM8350_GP9_DIR 0x0200 |
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| 269 | #define WM8350_GP8_DIR 0x0100 |
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| 270 | #define WM8350_GP7_DIR 0x0080 |
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| 271 | #define WM8350_GP6_DIR 0x0040 |
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| 272 | #define WM8350_GP5_DIR 0x0020 |
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| 273 | #define WM8350_GP4_DIR 0x0010 |
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| 274 | #define WM8350_GP3_DIR 0x0008 |
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| 275 | #define WM8350_GP2_DIR 0x0004 |
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| 276 | #define WM8350_GP1_DIR 0x0002 |
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| 277 | #define WM8350_GP0_DIR 0x0001 |
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| 278 | |
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| 279 | /* |
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| 280 | * R135 (0x87) - GPIO Pin Polarity / Type |
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| 281 | */ |
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| 282 | #define WM8350_GP12_CFG 0x1000 |
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| 283 | #define WM8350_GP11_CFG 0x0800 |
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| 284 | #define WM8350_GP10_CFG 0x0400 |
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| 285 | #define WM8350_GP9_CFG 0x0200 |
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| 286 | #define WM8350_GP8_CFG 0x0100 |
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| 287 | #define WM8350_GP7_CFG 0x0080 |
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| 288 | #define WM8350_GP6_CFG 0x0040 |
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| 289 | #define WM8350_GP5_CFG 0x0020 |
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| 290 | #define WM8350_GP4_CFG 0x0010 |
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| 291 | #define WM8350_GP3_CFG 0x0008 |
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| 292 | #define WM8350_GP2_CFG 0x0004 |
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| 293 | #define WM8350_GP1_CFG 0x0002 |
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| 294 | #define WM8350_GP0_CFG 0x0001 |
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| 295 | |
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| 296 | /* |
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| 297 | * R140 (0x8C) - GPIO Function Select 1 |
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| 298 | */ |
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| 299 | #define WM8350_GP3_FN_MASK 0xF000 |
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| 300 | #define WM8350_GP2_FN_MASK 0x0F00 |
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| 301 | #define WM8350_GP1_FN_MASK 0x00F0 |
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| 302 | #define WM8350_GP0_FN_MASK 0x000F |
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| 303 | |
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| 304 | /* |
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| 305 | * R141 (0x8D) - GPIO Function Select 2 |
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| 306 | */ |
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| 307 | #define WM8350_GP7_FN_MASK 0xF000 |
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| 308 | #define WM8350_GP6_FN_MASK 0x0F00 |
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| 309 | #define WM8350_GP5_FN_MASK 0x00F0 |
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| 310 | #define WM8350_GP4_FN_MASK 0x000F |
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| 311 | |
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| 312 | /* |
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| 313 | * R142 (0x8E) - GPIO Function Select 3 |
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| 314 | */ |
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| 315 | #define WM8350_GP11_FN_MASK 0xF000 |
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| 316 | #define WM8350_GP10_FN_MASK 0x0F00 |
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| 317 | #define WM8350_GP9_FN_MASK 0x00F0 |
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| 318 | #define WM8350_GP8_FN_MASK 0x000F |
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| 319 | |
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| 320 | /* |
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| 321 | * R143 (0x8F) - GPIO Function Select 4 |
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| 322 | */ |
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| 323 | #define WM8350_GP12_FN_MASK 0x000F |
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| 324 | |
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| 325 | /* |
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| 326 | * R230 (0xE6) - GPIO Pin Status |
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| 327 | */ |
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| 328 | #define WM8350_GP12_LVL 0x1000 |
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| 329 | #define WM8350_GP11_LVL 0x0800 |
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| 330 | #define WM8350_GP10_LVL 0x0400 |
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| 331 | #define WM8350_GP9_LVL 0x0200 |
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| 332 | #define WM8350_GP8_LVL 0x0100 |
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| 333 | #define WM8350_GP7_LVL 0x0080 |
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| 334 | #define WM8350_GP6_LVL 0x0040 |
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| 335 | #define WM8350_GP5_LVL 0x0020 |
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| 336 | #define WM8350_GP4_LVL 0x0010 |
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| 337 | #define WM8350_GP3_LVL 0x0008 |
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| 338 | #define WM8350_GP2_LVL 0x0004 |
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| 339 | #define WM8350_GP1_LVL 0x0002 |
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| 340 | #define WM8350_GP0_LVL 0x0001 |
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| 341 | |
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| 342 | struct wm8350; |
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| 343 | |
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| 344 | int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, |
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| 345 | int pol, int pull, int invert, int debounce); |
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| 346 | |
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| 347 | struct wm8350_gpio { |
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| 348 | struct platform_device *pdev; |
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| 349 | }; |
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| 350 | |
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| 351 | /* |
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| 352 | * GPIO Interrupts |
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| 353 | */ |
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| 354 | #define WM8350_IRQ_GPIO(x) (50 + x) |
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| 355 | |
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| 356 | #endif |
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| 357 | |
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