diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/misc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/misc/stm32_rcc.c | 45 |
3 files changed, 55 insertions, 0 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 4133017e32d..f1c15cb9fa4 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -158,6 +158,15 @@ config PCA9551_I2C_ADDR help The I2C address of the PCA9551 LED controller. +config STM32_RCC + bool "Enable RCC driver for the STM32 SoC's family" + depends on STM32 && MISC + help + Enable the STM32 RCC driver. The RCC block (Reset and Clock Control + block) is responsible of the management of the clock and reset + generation. + This driver is similar to an MFD driver in the Linux kernel. + config TEGRA_CAR bool "Enable support for the Tegra CAR driver" depends on TEGRA_NO_BPMP diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 21f7e6c6f58..ada76244171 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -52,3 +52,4 @@ obj-$(CONFIG_FSL_DEVICE_DISABLE) += fsl_devdis.o obj-$(CONFIG_WINBOND_W83627) += winbond_w83627.o obj-$(CONFIG_QFW) += qfw.o obj-$(CONFIG_ROCKCHIP_EFUSE) += rockchip-efuse.o +obj-$(CONFIG_STM32_RCC) += stm32_rcc.o diff --git a/drivers/misc/stm32_rcc.c b/drivers/misc/stm32_rcc.c new file mode 100644 index 00000000000..a6c2a757ec0 --- /dev/null +++ b/drivers/misc/stm32_rcc.c @@ -0,0 +1,45 @@ +/* + * Copyright (C) STMicroelectronics SA 2017 + * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <misc.h> +#include <dm/lists.h> + +static int stm32_rcc_bind(struct udevice *dev) +{ + int ret; + struct udevice *child; + + debug("%s(dev=%p)\n", __func__, dev); + + ret = device_bind_driver_to_node(dev, "stm32h7_rcc_clock", + "stm32h7_rcc_clock", + dev_ofnode(dev), &child); + if (ret) + return ret; + + return device_bind_driver_to_node(dev, "stm32_rcc_reset", + "stm32_rcc_reset", + dev_ofnode(dev), &child); +} + +static const struct misc_ops stm32_rcc_ops = { +}; + +static const struct udevice_id stm32_rcc_ids[] = { + {.compatible = "st,stm32h743-rcc"}, + { } +}; + +U_BOOT_DRIVER(stm32_rcc) = { + .name = "stm32-rcc", + .id = UCLASS_MISC, + .of_match = stm32_rcc_ids, + .bind = stm32_rcc_bind, + .ops = &stm32_rcc_ops, +}; |