| Solomon Peachy | a910e4a | 2013-05-24 20:04:38 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * Platform glue data for ST-Ericsson CW1200 driver |
| 3 | * |
| 4 | * Copyright (c) 2013, Sagrad, Inc |
| 5 | * Author: Solomon Peachy <speachy@sagrad.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/cw1200_platform.h> |
| 14 | |
| 15 | MODULE_AUTHOR("Solomon Peachy <speachy@sagrad.com>"); |
| 16 | MODULE_DESCRIPTION("ST-Ericsson CW1200 Platform glue driver"); |
| 17 | MODULE_LICENSE("GPL"); |
| 18 | |
| 19 | /* Define just one of these. Feel free to customize as needed */ |
| 20 | #define SAGRAD_1091_1098_EVK_SDIO |
| 21 | /* #define SAGRAD_1091_1098_EVK_SPI */ |
| 22 | |
| 23 | #ifdef SAGRAD_1091_1098_EVK_SDIO |
| 24 | #if 0 |
| 25 | static struct resource cw1200_href_resources[] = { |
| 26 | { |
| 27 | .start = 215, /* fix me as appropriate */ |
| 28 | .end = 215, /* ditto */ |
| 29 | .flags = IORESOURCE_IO, |
| 30 | .name = "cw1200_wlan_reset", |
| 31 | }, |
| 32 | { |
| 33 | .start = 216, /* fix me as appropriate */ |
| 34 | .end = 216, /* ditto */ |
| 35 | .flags = IORESOURCE_IO, |
| 36 | .name = "cw1200_wlan_powerup", |
| 37 | }, |
| 38 | { |
| 39 | .start = NOMADIK_GPIO_TO_IRQ(216), /* fix me as appropriate */ |
| 40 | .end = NOMADIK_GPIO_TO_IRQ(216), /* ditto */ |
| 41 | .flags = IORESOURCE_IRQ, |
| 42 | .name = "cw1200_wlan_irq", |
| 43 | }, |
| 44 | }; |
| 45 | #endif |
| 46 | |
| 47 | static int cw1200_power_ctrl(const struct cw1200_platform_data_sdio *pdata, |
| 48 | bool enable) |
| 49 | { |
| 50 | /* Control 3v3 and 1v8 to hardware as appropriate */ |
| 51 | /* Note this is not needed if it's controlled elsewhere or always on */ |
| 52 | |
| 53 | /* May require delay for power to stabilize */ |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | static int cw1200_clk_ctrl(const struct cw1200_platform_data_sdio *pdata, |
| 58 | bool enable) |
| 59 | { |
| 60 | /* Turn CLK_32K off and on as appropriate. */ |
| 61 | /* Note this is not needed if it's always on */ |
| 62 | |
| 63 | /* May require delay for clock to stabilize */ |
| 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | static struct cw1200_platform_data_sdio cw1200_platform_data = { |
| 68 | .ref_clk = 38400, |
| 69 | .have_5ghz = false, |
| 70 | #if 0 |
| 71 | .reset = &cw1200_href_resources[0], |
| 72 | .powerup = &cw1200_href_resources[1], |
| 73 | .irq = &cw1200_href_resources[2], |
| 74 | #endif |
| 75 | .power_ctrl = cw1200_power_ctrl, |
| 76 | .clk_ctrl = cw1200_clk_ctrl, |
| 77 | /* .macaddr = ??? */ |
| 78 | .sdd_file = "sdd_sagrad_1091_1098.bin", |
| 79 | }; |
| 80 | #endif |
| 81 | |
| 82 | #ifdef SAGRAD_1091_1098_EVK_SPI |
| 83 | /* Note that this is an example of integrating into your board support file */ |
| 84 | static struct resource cw1200_href_resources[] = { |
| 85 | { |
| 86 | .start = GPIO_RF_RESET, |
| 87 | .end = GPIO_RF_RESET, |
| 88 | .flags = IORESOURCE_IO, |
| 89 | .name = "cw1200_wlan_reset", |
| 90 | }, |
| 91 | { |
| 92 | .start = GPIO_RF_POWERUP, |
| 93 | .end = GPIO_RF_POWERUP, |
| 94 | .flags = IORESOURCE_IO, |
| 95 | .name = "cw1200_wlan_powerup", |
| 96 | }, |
| 97 | }; |
| 98 | |
| 99 | static int cw1200_power_ctrl(const struct cw1200_platform_data_spi *pdata, |
| 100 | bool enable) |
| 101 | { |
| 102 | /* Control 3v3 and 1v8 to hardware as appropriate */ |
| 103 | /* Note this is not needed if it's controlled elsewhere or always on */ |
| 104 | |
| 105 | /* May require delay for power to stabilize */ |
| 106 | return 0; |
| 107 | } |
| 108 | static int cw1200_clk_ctrl(const struct cw1200_platform_data_spi *pdata, |
| 109 | bool enable) |
| 110 | { |
| 111 | /* Turn CLK_32K off and on as appropriate. */ |
| 112 | /* Note this is not needed if it's always on */ |
| 113 | |
| 114 | /* May require delay for clock to stabilize */ |
| 115 | return 0; |
| 116 | } |
| 117 | |
| 118 | static struct cw1200_platform_data_spi cw1200_platform_data = { |
| 119 | .ref_clk = 38400, |
| 120 | .spi_bits_per_word = 16, |
| 121 | .reset = &cw1200_href_resources[0], |
| 122 | .powerup = &cw1200_href_resources[1], |
| 123 | .power_ctrl = cw1200_power_ctrl, |
| 124 | .clk_ctrl = cw1200_clk_ctrl, |
| 125 | /* .macaddr = ??? */ |
| 126 | .sdd_file = "sdd_sagrad_1091_1098.bin", |
| 127 | }; |
| 128 | static struct spi_board_info myboard_spi_devices[] __initdata = { |
| 129 | { |
| 130 | .modalias = "cw1200_wlan_spi", |
| 131 | .max_speed_hz = 10000000, /* 52MHz Max */ |
| 132 | .bus_num = 0, |
| 133 | .irq = WIFI_IRQ, |
| 134 | .platform_data = &cw1200_platform_data, |
| 135 | .chip_select = 0, |
| 136 | }, |
| 137 | }; |
| 138 | #endif |
| 139 | |
| 140 | |
| 141 | const void *cw1200_get_platform_data(void) |
| 142 | { |
| 143 | return &cw1200_platform_data; |
| 144 | } |
| 145 | EXPORT_SYMBOL_GPL(cw1200_get_platform_data); |