1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved 4 * Author(s): Patrice Chotard, <patrice.chotard (at) st.com> for STMicroelectronics. 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <misc.h> 10 #include <stm32_rcc.h> 11 #include <dm/device-internal.h> 12 #include <dm/lists.h> 13 14 struct stm32_rcc_clk stm32_rcc_clk_f42x = { 15 .drv_name = "stm32fx_rcc_clock", 16 .soc = STM32F42X, 17 }; 18 19 struct stm32_rcc_clk stm32_rcc_clk_f469 = { 20 .drv_name = "stm32fx_rcc_clock", 21 .soc = STM32F469, 22 }; 23 24 struct stm32_rcc_clk stm32_rcc_clk_f7 = { 25 .drv_name = "stm32fx_rcc_clock", 26 .soc = STM32F7, 27 }; 28 29 struct stm32_rcc_clk stm32_rcc_clk_h7 = { 30 .drv_name = "stm32h7_rcc_clock", 31 }; 32 33 static int stm32_rcc_bind(struct udevice *dev) 34 { 35 struct udevice *child; 36 struct driver *drv; 37 struct stm32_rcc_clk *rcc_clk = 38 (struct stm32_rcc_clk *)dev_get_driver_data(dev); 39 int ret; 40 41 debug("%s(dev=%p)\n", __func__, dev); 42 43 drv = lists_driver_lookup_name(rcc_clk->drv_name); 44 if (!drv) { 45 debug("Cannot find driver '%s'\n", rcc_clk->drv_name); 46 return -ENOENT; 47 } 48 49 ret = device_bind_with_driver_data(dev, drv, rcc_clk->drv_name, 50 rcc_clk->soc, 51 dev_ofnode(dev), &child); 52 53 if (ret) 54 return ret; 55 56 return device_bind_driver_to_node(dev, "stm32_rcc_reset", 57 "stm32_rcc_reset", 58 dev_ofnode(dev), &child); 59 } 60 61 static const struct misc_ops stm32_rcc_ops = { 62 }; 63 64 static const struct udevice_id stm32_rcc_ids[] = { 65 {.compatible = "st,stm32f42xx-rcc", .data = (ulong)&stm32_rcc_clk_f42x }, 66 {.compatible = "st,stm32f469-rcc", .data = (ulong)&stm32_rcc_clk_f469 }, 67 {.compatible = "st,stm32f746-rcc", .data = (ulong)&stm32_rcc_clk_f7 }, 68 {.compatible = "st,stm32h743-rcc", .data = (ulong)&stm32_rcc_clk_h7 }, 69 { } 70 }; 71 72 U_BOOT_DRIVER(stm32_rcc) = { 73 .name = "stm32-rcc", 74 .id = UCLASS_MISC, 75 .of_match = stm32_rcc_ids, 76 .bind = stm32_rcc_bind, 77 .ops = &stm32_rcc_ops, 78 }; 79
