| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Enrico Weigelt | 821 | 64.70% | 3 | 30.00% |
| Dmitry Torokhov | 383 | 30.18% | 1 | 10.00% |
| Florian Eckert | 39 | 3.07% | 1 | 10.00% |
| Andy Shevchenko | 20 | 1.58% | 1 | 10.00% |
| Yue haibing | 2 | 0.16% | 1 | 10.00% |
| Hans de Goede | 2 | 0.16% | 1 | 10.00% |
| Ed Wildgoose | 1 | 0.08% | 1 | 10.00% |
| Jean Delvare | 1 | 0.08% | 1 | 10.00% |
| Total | 1269 | 10 |
// SPDX-License-Identifier: GPL-2.0+ /* * PC-Engines APUv2/APUv3 board platform driver * for GPIO buttons and LEDs * * Copyright (C) 2018 metux IT consult * Author: Enrico Weigelt <info@metux.net> */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/dmi.h> #include <linux/err.h> #include <linux/gpio/machine.h> #include <linux/gpio/property.h> #include <linux/input-event-codes.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/property.h> #include <linux/platform_data/gpio/gpio-amd-fch.h> /* * NOTE: this driver only supports APUv2/3 - not APUv1, as this one * has completely different register layouts. */ /* Register mappings */ #define APU2_GPIO_REG_LED1 AMD_FCH_GPIO_REG_GPIO57 #define APU2_GPIO_REG_LED2 AMD_FCH_GPIO_REG_GPIO58 #define APU2_GPIO_REG_LED3 AMD_FCH_GPIO_REG_GPIO59_DEVSLP1 #define APU2_GPIO_REG_MODESW AMD_FCH_GPIO_REG_GPIO32_GE1 #define APU2_GPIO_REG_SIMSWAP AMD_FCH_GPIO_REG_GPIO33_GE2 #define APU2_GPIO_REG_MPCIE2 AMD_FCH_GPIO_REG_GPIO55_DEVSLP0 #define APU2_GPIO_REG_MPCIE3 AMD_FCH_GPIO_REG_GPIO51 /* Order in which the GPIO lines are defined in the register list */ #define APU2_GPIO_LINE_LED1 0 #define APU2_GPIO_LINE_LED2 1 #define APU2_GPIO_LINE_LED3 2 #define APU2_GPIO_LINE_MODESW 3 #define APU2_GPIO_LINE_SIMSWAP 4 #define APU2_GPIO_LINE_MPCIE2 5 #define APU2_GPIO_LINE_MPCIE3 6 /* GPIO device */ static int apu2_gpio_regs[] = { [APU2_GPIO_LINE_LED1] = APU2_GPIO_REG_LED1, [APU2_GPIO_LINE_LED2] = APU2_GPIO_REG_LED2, [APU2_GPIO_LINE_LED3] = APU2_GPIO_REG_LED3, [APU2_GPIO_LINE_MODESW] = APU2_GPIO_REG_MODESW, [APU2_GPIO_LINE_SIMSWAP] = APU2_GPIO_REG_SIMSWAP, [APU2_GPIO_LINE_MPCIE2] = APU2_GPIO_REG_MPCIE2, [APU2_GPIO_LINE_MPCIE3] = APU2_GPIO_REG_MPCIE3, }; static const char * const apu2_gpio_names[] = { [APU2_GPIO_LINE_LED1] = "front-led1", [APU2_GPIO_LINE_LED2] = "front-led2", [APU2_GPIO_LINE_LED3] = "front-led3", [APU2_GPIO_LINE_MODESW] = "front-button", [APU2_GPIO_LINE_SIMSWAP] = "simswap", [APU2_GPIO_LINE_MPCIE2] = "mpcie2_reset", [APU2_GPIO_LINE_MPCIE3] = "mpcie3_reset", }; static const struct amd_fch_gpio_pdata board_apu2 = { .gpio_num = ARRAY_SIZE(apu2_gpio_regs), .gpio_reg = apu2_gpio_regs, .gpio_names = apu2_gpio_names, }; static const struct software_node apu2_gpiochip_node = { .name = AMD_FCH_GPIO_DRIVER_NAME, }; /* GPIO LEDs device */ static const struct software_node apu2_leds_node = { .name = "apu2-leds", }; static const struct property_entry apu2_led1_props[] = { PROPERTY_ENTRY_STRING("label", "apu:green:1"), PROPERTY_ENTRY_GPIO("gpios", &apu2_gpiochip_node, APU2_GPIO_LINE_LED1, GPIO_ACTIVE_LOW), { } }; static const struct software_node apu2_led1_swnode = { .name = "led-1", .parent = &apu2_leds_node, .properties = apu2_led1_props, }; static const struct property_entry apu2_led2_props[] = { PROPERTY_ENTRY_STRING("label", "apu:green:2"), PROPERTY_ENTRY_GPIO("gpios", &apu2_gpiochip_node, APU2_GPIO_LINE_LED2, GPIO_ACTIVE_LOW), { } }; static const struct software_node apu2_led2_swnode = { .name = "led-2", .parent = &apu2_leds_node, .properties = apu2_led2_props, }; static const struct property_entry apu2_led3_props[] = { PROPERTY_ENTRY_STRING("label", "apu:green:3"), PROPERTY_ENTRY_GPIO("gpios", &apu2_gpiochip_node, APU2_GPIO_LINE_LED3, GPIO_ACTIVE_LOW), { } }; static const struct software_node apu2_led3_swnode = { .name = "led-3", .parent = &apu2_leds_node, .properties = apu2_led3_props, }; /* GPIO keyboard device */ static const struct property_entry apu2_keys_props[] = { PROPERTY_ENTRY_U32("poll-interval", 100), { } }; static const struct software_node apu2_keys_node = { .name = "apu2-keys", .properties = apu2_keys_props, }; static const struct property_entry apu2_front_button_props[] = { PROPERTY_ENTRY_STRING("label", "front button"), PROPERTY_ENTRY_U32("linux,code", KEY_RESTART), PROPERTY_ENTRY_GPIO("gpios", &apu2_gpiochip_node, APU2_GPIO_LINE_MODESW, GPIO_ACTIVE_LOW), PROPERTY_ENTRY_U32("debounce-interval", 10), { } }; static const struct software_node apu2_front_button_swnode = { .name = "front-button", .parent = &apu2_keys_node, .properties = apu2_front_button_props, }; static const struct software_node *apu2_swnodes[] = { &apu2_gpiochip_node, /* LEDs nodes */ &apu2_leds_node, &apu2_led1_swnode, &apu2_led2_swnode, &apu2_led3_swnode, /* Keys nodes */ &apu2_keys_node, &apu2_front_button_swnode, NULL }; /* Board setup */ /* Note: matching works on string prefix, so "apu2" must come before "apu" */ static const struct dmi_system_id apu_gpio_dmi_table[] __initconst = { /* APU2 w/ legacy BIOS < 4.0.8 */ { .ident = "apu2", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "APU2") }, .driver_data = (void *)&board_apu2, }, /* APU2 w/ legacy BIOS >= 4.0.8 */ { .ident = "apu2", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "apu2") }, .driver_data = (void *)&board_apu2, }, /* APU2 w/ mainline BIOS */ { .ident = "apu2", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "PC Engines apu2") }, .driver_data = (void *)&board_apu2, }, /* APU3 w/ legacy BIOS < 4.0.8 */ { .ident = "apu3", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "APU3") }, .driver_data = (void *)&board_apu2, }, /* APU3 w/ legacy BIOS >= 4.0.8 */ { .ident = "apu3", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "apu3") }, .driver_data = (void *)&board_apu2, }, /* APU3 w/ mainline BIOS */ { .ident = "apu3", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "PC Engines apu3") }, .driver_data = (void *)&board_apu2, }, /* APU4 w/ legacy BIOS < 4.0.8 */ { .ident = "apu4", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "APU4") }, .driver_data = (void *)&board_apu2, }, /* APU4 w/ legacy BIOS >= 4.0.8 */ { .ident = "apu4", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "apu4") }, .driver_data = (void *)&board_apu2, }, /* APU4 w/ mainline BIOS */ { .ident = "apu4", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"), DMI_MATCH(DMI_BOARD_NAME, "PC Engines apu4") }, .driver_data = (void *)&board_apu2, }, {} }; static struct platform_device *apu_gpio_pdev; static struct platform_device *apu_leds_pdev; static struct platform_device *apu_keys_pdev; static struct platform_device * __init apu_create_pdev(const char *name, const void *data, size_t size, const struct software_node *swnode) { struct platform_device_info pdev_info = { .name = name, .id = PLATFORM_DEVID_NONE, .data = data, .size_data = size, .fwnode = software_node_fwnode(swnode), }; struct platform_device *pdev; int err; pdev = platform_device_register_full(&pdev_info); err = PTR_ERR_OR_ZERO(pdev); if (err) pr_err("failed registering %s: %d\n", name, err); return pdev; } static int __init apu_board_init(void) { const struct dmi_system_id *id; int err; id = dmi_first_match(apu_gpio_dmi_table); if (!id) { pr_err("failed to detect APU board via DMI\n"); return -ENODEV; } err = software_node_register_node_group(apu2_swnodes); if (err) { pr_err("failed to register software nodes: %d\n", err); return err; } apu_gpio_pdev = apu_create_pdev(AMD_FCH_GPIO_DRIVER_NAME, id->driver_data, sizeof(struct amd_fch_gpio_pdata), NULL); err = PTR_ERR_OR_ZERO(apu_gpio_pdev); if (err) goto err_unregister_swnodes; apu_leds_pdev = apu_create_pdev("leds-gpio", NULL, 0, &apu2_leds_node); err = PTR_ERR_OR_ZERO(apu_leds_pdev); if (err) goto err_unregister_gpio; apu_keys_pdev = apu_create_pdev("gpio-keys-polled", NULL, 0, &apu2_keys_node); err = PTR_ERR_OR_ZERO(apu_keys_pdev); if (err) goto err_unregister_leds; return 0; err_unregister_leds: platform_device_unregister(apu_leds_pdev); err_unregister_gpio: platform_device_unregister(apu_gpio_pdev); err_unregister_swnodes: software_node_unregister_node_group(apu2_swnodes); return err; } static void __exit apu_board_exit(void) { platform_device_unregister(apu_keys_pdev); platform_device_unregister(apu_leds_pdev); platform_device_unregister(apu_gpio_pdev); software_node_unregister_node_group(apu2_swnodes); } module_init(apu_board_init); module_exit(apu_board_exit); MODULE_AUTHOR("Enrico Weigelt, metux IT consult <info@metux.net>"); MODULE_DESCRIPTION("PC Engines APUv2/APUv3 board GPIO/LEDs/keys driver"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(dmi, apu_gpio_dmi_table); MODULE_SOFTDEP("pre: platform:" AMD_FCH_GPIO_DRIVER_NAME " platform:leds-gpio platform:gpio_keys_polled");
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