OpenWrt – Blame information for rev 3
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Rev | Author | Line No. | Line |
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1 | office | 1 | From d13bdf92ec885105cf107183f8464c40e5f3b93b Mon Sep 17 00:00:00 2001 |
2 | From: Jonas Gorski <jogo@openwrt.org> |
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3 | Date: Sat, 21 Feb 2015 17:21:59 +0100 |
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4 | Subject: [PATCH 4/6] MIPS: BCM63XX: register lookup for ephy-reset gpio |
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5 | |||
6 | |||
7 | Signed-off-by: Jonas Gorski <jogo@openwrt.org> |
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8 | --- |
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9 | arch/mips/bcm63xx/boards/board_bcm963xx.c | 2 +- |
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10 | arch/mips/bcm63xx/boards/board_common.c | 7 +++-- |
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11 | arch/mips/bcm63xx/gpio.c | 32 ++++++++++++++++++++ |
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12 | arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h | 2 ++ |
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13 | .../mips/include/asm/mach-bcm63xx/board_bcm963xx.h | 5 +-- |
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14 | 5 files changed, 42 insertions(+), 6 deletions(-) |
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15 | |||
16 | --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c |
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17 | +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c |
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18 | @@ -55,7 +55,7 @@ static struct board_info __initdata boar |
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19 | }, |
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20 | |||
21 | .ephy_reset_gpio = 36, |
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22 | - .ephy_reset_gpio_flags = GPIOF_INIT_HIGH, |
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23 | + .ephy_reset_gpio_flags = GPIO_ACTIVE_LOW, |
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24 | }; |
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25 | #endif |
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26 | |||
27 | --- a/arch/mips/bcm63xx/boards/board_common.c |
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28 | +++ b/arch/mips/bcm63xx/boards/board_common.c |
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3 | office | 29 | @@ -251,9 +251,10 @@ int __init board_register_devices(void) |
1 | office | 30 | |
31 | platform_device_register(&bcm63xx_gpio_leds); |
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32 | |||
33 | - if (board.ephy_reset_gpio && board.ephy_reset_gpio_flags) |
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34 | - gpio_request_one(board.ephy_reset_gpio, |
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35 | - board.ephy_reset_gpio_flags, "ephy-reset"); |
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36 | + if (board.ephy_reset_gpio && board.ephy_reset_gpio_flags) { |
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37 | + bcm63xx_gpio_ephy_reset(board.ephy_reset_gpio, |
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38 | + board.ephy_reset_gpio_flags); |
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39 | + } |
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40 | |||
41 | return 0; |
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42 | } |
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43 | --- a/arch/mips/bcm63xx/gpio.c |
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44 | +++ b/arch/mips/bcm63xx/gpio.c |
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45 | @@ -8,15 +8,23 @@ |
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46 | * Copyright (C) Jonas Gorski <jogo@openwrt.org> |
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47 | */ |
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48 | |||
49 | +#include <asm/addrspace.h> |
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50 | + |
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51 | #include <linux/kernel.h> |
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52 | #include <linux/init.h> |
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53 | #include <linux/platform_device.h> |
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54 | #include <linux/gpio/driver.h> |
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55 | +#include <linux/gpio/machine.h> |
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56 | |||
57 | #include <bcm63xx_cpu.h> |
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58 | #include <bcm63xx_gpio.h> |
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59 | #include <bcm63xx_regs.h> |
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60 | |||
61 | +static const char * const gpio_chip_labels[] = { |
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62 | + "bcm63xx-gpio.0", |
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63 | + "bcm63xx-gpio.1", |
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64 | +}; |
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65 | + |
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66 | static void __init bcm63xx_gpio_init_one(int id, int dir, int data, int ngpio) |
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67 | { |
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68 | struct resource res[2]; |
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69 | @@ -64,3 +72,25 @@ int __init bcm63xx_gpio_init(void) |
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70 | return 0; |
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71 | |||
72 | } |
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73 | + |
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74 | +static struct gpiod_lookup_table ephy_reset = { |
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75 | + .dev_id = "bcm63xx_enet-0", |
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76 | + .table = { |
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77 | + { /* filled at runtime */ }, |
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78 | + { }, |
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79 | + }, |
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80 | +}; |
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81 | + |
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82 | + |
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83 | +void bcm63xx_gpio_ephy_reset(int hw_gpio, enum gpio_lookup_flags flags) |
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84 | +{ |
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85 | + if (ephy_reset.table[0].chip_label) |
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86 | + return; |
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87 | + |
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88 | + ephy_reset.table[0].chip_label = gpio_chip_labels[hw_gpio / 32]; |
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89 | + ephy_reset.table[0].chip_hwnum = hw_gpio % 32; |
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90 | + ephy_reset.table[0].con_id = "reset"; |
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91 | + ephy_reset.table[0].flags = flags; |
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92 | + |
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93 | + gpiod_add_lookup_table(&ephy_reset); |
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94 | +} |
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95 | --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h |
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96 | +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h |
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97 | @@ -3,9 +3,11 @@ |
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98 | #define BCM63XX_GPIO_H |
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99 | |||
100 | #include <linux/init.h> |
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101 | +#include <linux/gpio/machine.h> |
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102 | #include <bcm63xx_cpu.h> |
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103 | |||
104 | int __init bcm63xx_gpio_init(void); |
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105 | +void bcm63xx_gpio_ephy_reset(int hw_gpio, enum gpio_lookup_flags flags); |
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106 | |||
107 | static inline unsigned long bcm63xx_gpio_count(void) |
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108 | { |
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109 | --- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h |
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110 | +++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h |
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111 | @@ -4,6 +4,7 @@ |
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112 | |||
113 | #include <linux/types.h> |
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114 | #include <linux/gpio.h> |
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115 | +#include <linux/gpio/machine.h> |
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116 | #include <linux/leds.h> |
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117 | #include <bcm63xx_dev_enet.h> |
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118 | #include <bcm63xx_dev_usb_usbd.h> |
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3 | office | 119 | @@ -55,8 +56,8 @@ struct board_info { |
1 | office | 120 | /* External PHY reset GPIO */ |
121 | unsigned int ephy_reset_gpio; |
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122 | |||
123 | - /* External PHY reset GPIO flags from gpio.h */ |
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124 | - unsigned long ephy_reset_gpio_flags; |
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125 | + /* External PHY reset GPIO flags from gpio/machine.h */ |
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126 | + enum gpio_lookup_flags ephy_reset_gpio_flags; |
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127 | |||
128 | /* fallback sprom config */ |
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129 | struct fallback_sprom_data fallback_sprom; |