mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-09-19 21:01:51 +02:00
d678a59d2d
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commit c8ffd1356d42223cbb8c86280a083cc3c93e6426, reversing changes made to 2ee6f3a5f7550de3599faef9704e166e5dcace35. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
|
|
*
|
|
* Derived from linux/arch/mips/bcm63xx/clk.c:
|
|
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <clk-uclass.h>
|
|
#include <dm.h>
|
|
#include <errno.h>
|
|
#include <asm/io.h>
|
|
#include <linux/bitops.h>
|
|
|
|
#define MAX_CLKS 32
|
|
|
|
struct bcm6345_clk_priv {
|
|
void __iomem *regs;
|
|
};
|
|
|
|
static int bcm6345_clk_enable(struct clk *clk)
|
|
{
|
|
struct bcm6345_clk_priv *priv = dev_get_priv(clk->dev);
|
|
|
|
if (clk->id >= MAX_CLKS)
|
|
return -EINVAL;
|
|
|
|
setbits_be32(priv->regs, BIT(clk->id));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bcm6345_clk_disable(struct clk *clk)
|
|
{
|
|
struct bcm6345_clk_priv *priv = dev_get_priv(clk->dev);
|
|
|
|
if (clk->id >= MAX_CLKS)
|
|
return -EINVAL;
|
|
|
|
clrbits_be32(priv->regs, BIT(clk->id));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct clk_ops bcm6345_clk_ops = {
|
|
.disable = bcm6345_clk_disable,
|
|
.enable = bcm6345_clk_enable,
|
|
};
|
|
|
|
static const struct udevice_id bcm6345_clk_ids[] = {
|
|
{ .compatible = "brcm,bcm6345-clk" },
|
|
{ /* sentinel */ }
|
|
};
|
|
|
|
static int bcm63xx_clk_probe(struct udevice *dev)
|
|
{
|
|
struct bcm6345_clk_priv *priv = dev_get_priv(dev);
|
|
|
|
priv->regs = dev_remap_addr(dev);
|
|
if (!priv->regs)
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_DRIVER(clk_bcm6345) = {
|
|
.name = "clk_bcm6345",
|
|
.id = UCLASS_CLK,
|
|
.of_match = bcm6345_clk_ids,
|
|
.ops = &bcm6345_clk_ops,
|
|
.probe = bcm63xx_clk_probe,
|
|
.priv_auto = sizeof(struct bcm6345_clk_priv),
|
|
};
|