Commit 4236e752 authored by Mikko Perttunen's avatar Mikko Perttunen Committed by Thierry Reding
Browse files

clk: tegra: Implement reset control reset



For completeness, also implement this reset framework API for Tegra.

Signed-off-by: default avatarMikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: default avatarPeter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-by: default avatarArto Merilainen <amerilainen@nvidia.com>
Signed-off-by: default avatarPeter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 9619dba8
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+16 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@
#include <linux/clkdev.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/clk/tegra.h>
#include <linux/reset-controller.h>
@@ -182,6 +183,20 @@ static int tegra_clk_rst_deassert(struct reset_controller_dev *rcdev,
	return -EINVAL;
}

static int tegra_clk_rst_reset(struct reset_controller_dev *rcdev,
		unsigned long id)
{
	int err;

	err = tegra_clk_rst_assert(rcdev, id);
	if (err)
		return err;

	udelay(1);

	return tegra_clk_rst_deassert(rcdev, id);
}

const struct tegra_clk_periph_regs *get_reg_bank(int clkid)
{
	int reg_bank = clkid / 32;
@@ -274,6 +289,7 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl,
static const struct reset_control_ops rst_ops = {
	.assert = tegra_clk_rst_assert,
	.deassert = tegra_clk_rst_deassert,
	.reset = tegra_clk_rst_reset,
};

static struct reset_controller_dev rst_ctlr = {