clk: tegra: Implement reset control reset
For completeness, also implement this reset framework API for Tegra. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: Peter De Schrijver <pdeschrijver@nvidia.com> Reviewed-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
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@ -17,6 +17,7 @@
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#include <linux/clkdev.h>
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#include <linux/clk.h>
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#include <linux/clk-provider.h>
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#include <linux/delay.h>
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#include <linux/of.h>
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#include <linux/clk/tegra.h>
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#include <linux/reset-controller.h>
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@ -182,6 +183,20 @@ static int tegra_clk_rst_deassert(struct reset_controller_dev *rcdev,
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return -EINVAL;
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}
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static int tegra_clk_rst_reset(struct reset_controller_dev *rcdev,
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unsigned long id)
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{
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int err;
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err = tegra_clk_rst_assert(rcdev, id);
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if (err)
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return err;
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udelay(1);
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return tegra_clk_rst_deassert(rcdev, id);
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}
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const struct tegra_clk_periph_regs *get_reg_bank(int clkid)
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{
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int reg_bank = clkid / 32;
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@ -274,6 +289,7 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl,
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static const struct reset_control_ops rst_ops = {
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.assert = tegra_clk_rst_assert,
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.deassert = tegra_clk_rst_deassert,
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.reset = tegra_clk_rst_reset,
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};
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static struct reset_controller_dev rst_ctlr = {
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