1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved 4 * Author(s): Patrice Chotard, <patrice.chotard@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_f4 = { 15 .drv_name = "stm32fx_rcc_clock", 16 .soc = STM32F4, 17 }; 18 19 struct stm32_rcc_clk stm32_rcc_clk_f7 = { 20 .drv_name = "stm32fx_rcc_clock", 21 .soc = STM32F7, 22 }; 23 24 struct stm32_rcc_clk stm32_rcc_clk_h7 = { 25 .drv_name = "stm32h7_rcc_clock", 26 }; 27 28 static int stm32_rcc_bind(struct udevice *dev) 29 { 30 struct udevice *child; 31 struct driver *drv; 32 struct stm32_rcc_clk *rcc_clk = 33 (struct stm32_rcc_clk *)dev_get_driver_data(dev); 34 int ret; 35 36 debug("%s(dev=%p)\n", __func__, dev); 37 38 drv = lists_driver_lookup_name(rcc_clk->drv_name); 39 if (!drv) { 40 debug("Cannot find driver '%s'\n", rcc_clk->drv_name); 41 return -ENOENT; 42 } 43 44 ret = device_bind_with_driver_data(dev, drv, rcc_clk->drv_name, 45 rcc_clk->soc, 46 dev_ofnode(dev), &child); 47 48 if (ret) 49 return ret; 50 51 #ifdef CONFIG_SPL_BUILD 52 return 0; 53 #else 54 return device_bind_driver_to_node(dev, "stm32_rcc_reset", 55 "stm32_rcc_reset", 56 dev_ofnode(dev), &child); 57 #endif 58 } 59 60 static const struct misc_ops stm32_rcc_ops = { 61 }; 62 63 static const struct udevice_id stm32_rcc_ids[] = { 64 {.compatible = "st,stm32f42xx-rcc", .data = (ulong)&stm32_rcc_clk_f4 }, 65 {.compatible = "st,stm32f746-rcc", .data = (ulong)&stm32_rcc_clk_f7 }, 66 {.compatible = "st,stm32h743-rcc", .data = (ulong)&stm32_rcc_clk_h7 }, 67 { } 68 }; 69 70 U_BOOT_DRIVER(stm32_rcc) = { 71 .name = "stm32-rcc", 72 .id = UCLASS_MISC, 73 .of_match = stm32_rcc_ids, 74 .bind = stm32_rcc_bind, 75 .ops = &stm32_rcc_ops, 76 }; 77