| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* |
| 3 | * Copyright (C) 2010 Pengutronix |
| 4 | * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> |
| 5 | */ |
| 6 | #include <linux/sizes.h> |
| 7 | |
| 8 | #include "../hardware.h" |
| 9 | #include "devices-common.h" |
| 10 | |
| 11 | #define imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size) \ |
| 12 | { \ |
| 13 | .id = _id, \ |
| 14 | .iobase = soc ## _WDOG ## _hwid ## _BASE_ADDR, \ |
| 15 | .iosize = _size, \ |
| 16 | } |
| 17 | #define imx_imx2_wdt_data_entry(soc, _id, _hwid, _size) \ |
| 18 | [_id] = imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size) |
| 19 | |
| 20 | #ifdef CONFIG_SOC_IMX21 |
| 21 | const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst = |
| 22 | imx_imx2_wdt_data_entry_single(MX21, 0, , SZ_4K); |
| 23 | #endif /* ifdef CONFIG_SOC_IMX21 */ |
| 24 | |
| 25 | #ifdef CONFIG_SOC_IMX27 |
| 26 | const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst = |
| 27 | imx_imx2_wdt_data_entry_single(MX27, 0, , SZ_4K); |
| 28 | #endif /* ifdef CONFIG_SOC_IMX27 */ |
| 29 | |
| 30 | #ifdef CONFIG_SOC_IMX31 |
| 31 | const struct imx_imx2_wdt_data imx31_imx2_wdt_data __initconst = |
| 32 | imx_imx2_wdt_data_entry_single(MX31, 0, , SZ_16K); |
| 33 | #endif /* ifdef CONFIG_SOC_IMX31 */ |
| 34 | |
| 35 | #ifdef CONFIG_SOC_IMX35 |
| 36 | const struct imx_imx2_wdt_data imx35_imx2_wdt_data __initconst = |
| 37 | imx_imx2_wdt_data_entry_single(MX35, 0, , SZ_16K); |
| 38 | #endif /* ifdef CONFIG_SOC_IMX35 */ |
| 39 | |
| 40 | struct platform_device *__init imx_add_imx2_wdt( |
| 41 | const struct imx_imx2_wdt_data *data) |
| 42 | { |
| 43 | struct resource res[] = { |
| 44 | { |
| 45 | .start = data->iobase, |
| 46 | .end = data->iobase + data->iosize - 1, |
| 47 | .flags = IORESOURCE_MEM, |
| 48 | }, |
| 49 | }; |
| 50 | return imx_add_platform_device("imx2-wdt", data->id, |
| 51 | res, ARRAY_SIZE(res), NULL, 0); |
| 52 | } |