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7c55249307
Enable the clocks during syscon probe when they are present in device tree. This patch avoids a freeze when the SYSCFG clock is not enabled by TF-A / OP-TEE. Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
37 lines
733 B
C
37 lines
733 B
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
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*/
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#include <common.h>
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#include <clk.h>
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#include <dm.h>
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#include <syscon.h>
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#include <asm/arch/stm32.h>
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static const struct udevice_id stm32mp_syscon_ids[] = {
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{ .compatible = "st,stm32mp157-syscfg",
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.data = STM32MP_SYSCON_SYSCFG },
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{ }
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};
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static int stm32mp_syscon_probe(struct udevice *dev)
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{
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struct clk_bulk clk_bulk;
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int ret;
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ret = clk_get_bulk(dev, &clk_bulk);
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if (!ret)
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clk_enable_bulk(&clk_bulk);
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return 0;
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}
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U_BOOT_DRIVER(syscon_stm32mp) = {
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.name = "stmp32mp_syscon",
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.id = UCLASS_SYSCON,
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.of_match = stm32mp_syscon_ids,
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.bind = dm_scan_fdt_dev,
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.probe = stm32mp_syscon_probe,
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};
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