2013-06-12 21:04:34 +08:00
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/*
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* OMAP DPLL clock support
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*
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* Copyright (C) 2013 Texas Instruments, Inc.
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*
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* Tero Kristo <t-kristo@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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2015-06-20 06:00:46 +08:00
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#include <linux/clk.h>
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2013-06-12 21:04:34 +08:00
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#include <linux/clk-provider.h>
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#include <linux/slab.h>
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#include <linux/err.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/clk/ti.h>
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2015-01-30 04:24:28 +08:00
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#include "clock.h"
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2013-06-12 21:04:34 +08:00
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#undef pr_fmt
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#define pr_fmt(fmt) "%s: " fmt, __func__
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#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
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defined(CONFIG_SOC_DRA7XX)
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static const struct clk_ops dpll_m4xen_ck_ops = {
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.enable = &omap3_noncore_dpll_enable,
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.disable = &omap3_noncore_dpll_disable,
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.recalc_rate = &omap4_dpll_regm4xen_recalc,
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.round_rate = &omap4_dpll_regm4xen_round_rate,
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.set_rate = &omap3_noncore_dpll_set_rate,
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2014-10-03 21:57:14 +08:00
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.set_parent = &omap3_noncore_dpll_set_parent,
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.set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent,
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.determine_rate = &omap4_dpll_regm4xen_determine_rate,
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2013-06-12 21:04:34 +08:00
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.get_parent = &omap2_init_dpll_parent,
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};
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2014-02-21 23:36:21 +08:00
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#else
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static const struct clk_ops dpll_m4xen_ck_ops = {};
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2013-06-12 21:04:34 +08:00
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#endif
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2014-02-21 23:36:21 +08:00
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#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) || \
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defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) || \
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defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
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2013-06-12 21:04:34 +08:00
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static const struct clk_ops dpll_core_ck_ops = {
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.recalc_rate = &omap3_dpll_recalc,
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.get_parent = &omap2_init_dpll_parent,
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};
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static const struct clk_ops dpll_ck_ops = {
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.enable = &omap3_noncore_dpll_enable,
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.disable = &omap3_noncore_dpll_disable,
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.recalc_rate = &omap3_dpll_recalc,
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.round_rate = &omap2_dpll_round_rate,
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.set_rate = &omap3_noncore_dpll_set_rate,
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2014-10-03 21:57:14 +08:00
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.set_parent = &omap3_noncore_dpll_set_parent,
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.set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent,
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.determine_rate = &omap3_noncore_dpll_determine_rate,
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2013-06-12 21:04:34 +08:00
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.get_parent = &omap2_init_dpll_parent,
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};
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static const struct clk_ops dpll_no_gate_ck_ops = {
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.recalc_rate = &omap3_dpll_recalc,
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.get_parent = &omap2_init_dpll_parent,
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.round_rate = &omap2_dpll_round_rate,
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.set_rate = &omap3_noncore_dpll_set_rate,
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2014-10-03 21:57:14 +08:00
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.set_parent = &omap3_noncore_dpll_set_parent,
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.set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent,
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.determine_rate = &omap3_noncore_dpll_determine_rate,
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2013-06-12 21:04:34 +08:00
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};
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2014-02-21 23:36:21 +08:00
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#else
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static const struct clk_ops dpll_core_ck_ops = {};
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static const struct clk_ops dpll_ck_ops = {};
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static const struct clk_ops dpll_no_gate_ck_ops = {};
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const struct clk_hw_omap_ops clkhwops_omap3_dpll = {};
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#endif
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#ifdef CONFIG_ARCH_OMAP2
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static const struct clk_ops omap2_dpll_core_ck_ops = {
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.get_parent = &omap2_init_dpll_parent,
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.recalc_rate = &omap2_dpllcore_recalc,
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.round_rate = &omap2_dpll_round_rate,
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.set_rate = &omap2_reprogram_dpllcore,
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};
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#else
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static const struct clk_ops omap2_dpll_core_ck_ops = {};
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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static const struct clk_ops omap3_dpll_core_ck_ops = {
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.get_parent = &omap2_init_dpll_parent,
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.recalc_rate = &omap3_dpll_recalc,
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.round_rate = &omap2_dpll_round_rate,
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};
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#else
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static const struct clk_ops omap3_dpll_core_ck_ops = {};
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#endif
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2013-06-12 21:04:34 +08:00
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#ifdef CONFIG_ARCH_OMAP3
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static const struct clk_ops omap3_dpll_ck_ops = {
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.enable = &omap3_noncore_dpll_enable,
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.disable = &omap3_noncore_dpll_disable,
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.get_parent = &omap2_init_dpll_parent,
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.recalc_rate = &omap3_dpll_recalc,
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.set_rate = &omap3_noncore_dpll_set_rate,
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2014-10-03 21:57:14 +08:00
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.set_parent = &omap3_noncore_dpll_set_parent,
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.set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent,
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.determine_rate = &omap3_noncore_dpll_determine_rate,
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2013-06-12 21:04:34 +08:00
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.round_rate = &omap2_dpll_round_rate,
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};
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2016-12-03 05:14:38 +08:00
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static const struct clk_ops omap3_dpll5_ck_ops = {
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.enable = &omap3_noncore_dpll_enable,
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.disable = &omap3_noncore_dpll_disable,
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.get_parent = &omap2_init_dpll_parent,
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.recalc_rate = &omap3_dpll_recalc,
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.set_rate = &omap3_dpll5_set_rate,
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.set_parent = &omap3_noncore_dpll_set_parent,
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.set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent,
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.determine_rate = &omap3_noncore_dpll_determine_rate,
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.round_rate = &omap2_dpll_round_rate,
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};
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2013-06-12 21:04:34 +08:00
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static const struct clk_ops omap3_dpll_per_ck_ops = {
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.enable = &omap3_noncore_dpll_enable,
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.disable = &omap3_noncore_dpll_disable,
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.get_parent = &omap2_init_dpll_parent,
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.recalc_rate = &omap3_dpll_recalc,
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.set_rate = &omap3_dpll4_set_rate,
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2014-10-03 21:57:14 +08:00
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.set_parent = &omap3_noncore_dpll_set_parent,
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.set_rate_and_parent = &omap3_dpll4_set_rate_and_parent,
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.determine_rate = &omap3_noncore_dpll_determine_rate,
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2013-06-12 21:04:34 +08:00
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.round_rate = &omap2_dpll_round_rate,
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};
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#endif
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static const struct clk_ops dpll_x2_ck_ops = {
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.recalc_rate = &omap3_clkoutx2_recalc,
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};
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/**
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2015-01-30 04:24:28 +08:00
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* _register_dpll - low level registration of a DPLL clock
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2013-06-12 21:04:34 +08:00
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* @hw: hardware clock definition for the clock
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* @node: device node for the clock
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*
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* Finalizes DPLL registration process. In case a failure (clk-ref or
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* clk-bypass is missing), the clock is added to retry list and
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* the initialization is retried on later stage.
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*/
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2015-01-30 04:24:28 +08:00
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static void __init _register_dpll(struct clk_hw *hw,
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struct device_node *node)
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2013-06-12 21:04:34 +08:00
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{
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struct clk_hw_omap *clk_hw = to_clk_hw_omap(hw);
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struct dpll_data *dd = clk_hw->dpll_data;
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struct clk *clk;
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2016-02-20 19:24:26 +08:00
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clk = of_clk_get(node, 0);
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if (IS_ERR(clk)) {
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pr_debug("clk-ref missing for %s, retry later\n",
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node->name);
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if (!ti_clk_retry_init(node, hw, _register_dpll))
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return;
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2013-06-12 21:04:34 +08:00
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2016-02-20 19:24:26 +08:00
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goto cleanup;
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}
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dd->clk_ref = __clk_get_hw(clk);
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clk = of_clk_get(node, 1);
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if (IS_ERR(clk)) {
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pr_debug("clk-bypass missing for %s, retry later\n",
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2013-06-12 21:04:34 +08:00
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node->name);
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2015-01-30 04:24:28 +08:00
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if (!ti_clk_retry_init(node, hw, _register_dpll))
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2013-06-12 21:04:34 +08:00
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return;
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goto cleanup;
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}
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2016-02-20 19:24:26 +08:00
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dd->clk_bypass = __clk_get_hw(clk);
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2013-06-12 21:04:34 +08:00
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/* register the clock */
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2016-09-29 17:06:40 +08:00
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clk = ti_clk_register(NULL, &clk_hw->hw, node->name);
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2013-06-12 21:04:34 +08:00
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if (!IS_ERR(clk)) {
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2015-06-30 07:56:30 +08:00
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omap2_init_clk_hw_omap_clocks(&clk_hw->hw);
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2013-06-12 21:04:34 +08:00
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of_clk_add_provider(node, of_clk_src_simple_get, clk);
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kfree(clk_hw->hw.init->parent_names);
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kfree(clk_hw->hw.init);
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return;
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}
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cleanup:
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kfree(clk_hw->dpll_data);
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kfree(clk_hw->hw.init->parent_names);
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kfree(clk_hw->hw.init);
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kfree(clk_hw);
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}
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2015-02-04 00:59:32 +08:00
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#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_ATAGS)
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2017-02-09 17:24:37 +08:00
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void _get_reg(u8 module, u16 offset, struct clk_omap_reg *reg)
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2015-01-30 04:24:28 +08:00
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{
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2017-02-09 17:24:37 +08:00
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reg->index = module;
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reg->offset = offset;
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2015-01-30 04:24:28 +08:00
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}
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struct clk *ti_clk_register_dpll(struct ti_clk *setup)
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{
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struct clk_hw_omap *clk_hw;
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struct clk_init_data init = { NULL };
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struct dpll_data *dd;
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struct clk *clk;
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struct ti_clk_dpll *dpll;
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const struct clk_ops *ops = &omap3_dpll_ck_ops;
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struct clk *clk_ref;
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struct clk *clk_bypass;
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dpll = setup->data;
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if (dpll->num_parents < 2)
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return ERR_PTR(-EINVAL);
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clk_ref = clk_get_sys(NULL, dpll->parents[0]);
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clk_bypass = clk_get_sys(NULL, dpll->parents[1]);
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if (IS_ERR_OR_NULL(clk_ref) || IS_ERR_OR_NULL(clk_bypass))
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return ERR_PTR(-EAGAIN);
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dd = kzalloc(sizeof(*dd), GFP_KERNEL);
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clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
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if (!dd || !clk_hw) {
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clk = ERR_PTR(-ENOMEM);
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goto cleanup;
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}
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clk_hw->dpll_data = dd;
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clk_hw->ops = &clkhwops_omap3_dpll;
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clk_hw->hw.init = &init;
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init.name = setup->name;
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init.ops = ops;
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init.num_parents = dpll->num_parents;
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init.parent_names = dpll->parents;
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2017-02-09 17:24:37 +08:00
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_get_reg(dpll->module, dpll->control_reg, &dd->control_reg);
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_get_reg(dpll->module, dpll->idlest_reg, &dd->idlest_reg);
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_get_reg(dpll->module, dpll->mult_div1_reg, &dd->mult_div1_reg);
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_get_reg(dpll->module, dpll->autoidle_reg, &dd->autoidle_reg);
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2015-01-30 04:24:28 +08:00
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dd->modes = dpll->modes;
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dd->div1_mask = dpll->div1_mask;
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dd->idlest_mask = dpll->idlest_mask;
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dd->mult_mask = dpll->mult_mask;
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dd->autoidle_mask = dpll->autoidle_mask;
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dd->enable_mask = dpll->enable_mask;
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dd->sddiv_mask = dpll->sddiv_mask;
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dd->dco_mask = dpll->dco_mask;
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dd->max_divider = dpll->max_divider;
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dd->min_divider = dpll->min_divider;
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dd->max_multiplier = dpll->max_multiplier;
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dd->auto_recal_bit = dpll->auto_recal_bit;
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dd->recal_en_bit = dpll->recal_en_bit;
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dd->recal_st_bit = dpll->recal_st_bit;
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2016-02-20 19:24:26 +08:00
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dd->clk_ref = __clk_get_hw(clk_ref);
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dd->clk_bypass = __clk_get_hw(clk_bypass);
|
2015-01-30 04:24:28 +08:00
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if (dpll->flags & CLKF_CORE)
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ops = &omap3_dpll_core_ck_ops;
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if (dpll->flags & CLKF_PER)
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ops = &omap3_dpll_per_ck_ops;
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if (dpll->flags & CLKF_J_TYPE)
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dd->flags |= DPLL_J_TYPE;
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2016-09-29 17:06:40 +08:00
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clk = ti_clk_register(NULL, &clk_hw->hw, setup->name);
|
2015-01-30 04:24:28 +08:00
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if (!IS_ERR(clk))
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return clk;
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cleanup:
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kfree(dd);
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kfree(clk_hw);
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return clk;
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}
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2015-02-04 00:59:32 +08:00
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#endif
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2015-01-30 04:24:28 +08:00
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2013-06-12 21:04:34 +08:00
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#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
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2014-06-17 22:03:24 +08:00
|
|
|
defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \
|
|
|
|
defined(CONFIG_SOC_AM43XX)
|
2013-06-12 21:04:34 +08:00
|
|
|
/**
|
2015-01-30 04:24:28 +08:00
|
|
|
* _register_dpll_x2 - Registers a DPLLx2 clock
|
2013-06-12 21:04:34 +08:00
|
|
|
* @node: device node for this clock
|
|
|
|
* @ops: clk_ops for this clock
|
|
|
|
* @hw_ops: clk_hw_ops for this clock
|
|
|
|
*
|
|
|
|
* Initializes a DPLL x 2 clock from device tree data.
|
|
|
|
*/
|
2015-01-30 04:24:28 +08:00
|
|
|
static void _register_dpll_x2(struct device_node *node,
|
|
|
|
const struct clk_ops *ops,
|
|
|
|
const struct clk_hw_omap_ops *hw_ops)
|
2013-06-12 21:04:34 +08:00
|
|
|
{
|
|
|
|
struct clk *clk;
|
|
|
|
struct clk_init_data init = { NULL };
|
|
|
|
struct clk_hw_omap *clk_hw;
|
|
|
|
const char *name = node->name;
|
|
|
|
const char *parent_name;
|
2017-02-09 17:25:28 +08:00
|
|
|
int ret;
|
2013-06-12 21:04:34 +08:00
|
|
|
|
|
|
|
parent_name = of_clk_get_parent_name(node, 0);
|
|
|
|
if (!parent_name) {
|
|
|
|
pr_err("%s must have parent\n", node->name);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
|
|
|
|
if (!clk_hw)
|
|
|
|
return;
|
|
|
|
|
|
|
|
clk_hw->ops = hw_ops;
|
|
|
|
clk_hw->hw.init = &init;
|
|
|
|
|
|
|
|
init.name = name;
|
|
|
|
init.ops = ops;
|
|
|
|
init.parent_names = &parent_name;
|
|
|
|
init.num_parents = 1;
|
|
|
|
|
2017-02-09 17:25:28 +08:00
|
|
|
if (hw_ops == &clkhwops_omap4_dpllmx) {
|
|
|
|
/* Check if register defined, if not, drop hw-ops */
|
|
|
|
ret = of_property_count_elems_of_size(node, "reg", 1);
|
|
|
|
if (ret <= 0) {
|
|
|
|
hw_ops = NULL;
|
2017-02-09 17:24:37 +08:00
|
|
|
} else if (ti_clk_get_reg_addr(node, 0, &clk_hw->clksel_reg)) {
|
|
|
|
kfree(clk_hw);
|
|
|
|
return;
|
2017-02-09 17:25:28 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-06-12 21:04:34 +08:00
|
|
|
/* register the clock */
|
2016-09-29 17:06:40 +08:00
|
|
|
clk = ti_clk_register(NULL, &clk_hw->hw, name);
|
2013-06-12 21:04:34 +08:00
|
|
|
|
|
|
|
if (IS_ERR(clk)) {
|
|
|
|
kfree(clk_hw);
|
|
|
|
} else {
|
2015-06-30 07:56:30 +08:00
|
|
|
omap2_init_clk_hw_omap_clocks(&clk_hw->hw);
|
2013-06-12 21:04:34 +08:00
|
|
|
of_clk_add_provider(node, of_clk_src_simple_get, clk);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/**
|
|
|
|
* of_ti_dpll_setup - Setup function for OMAP DPLL clocks
|
|
|
|
* @node: device node containing the DPLL info
|
|
|
|
* @ops: ops for the DPLL
|
|
|
|
* @ddt: DPLL data template to use
|
|
|
|
*
|
|
|
|
* Initializes a DPLL clock from device tree data.
|
|
|
|
*/
|
|
|
|
static void __init of_ti_dpll_setup(struct device_node *node,
|
|
|
|
const struct clk_ops *ops,
|
2014-02-21 23:22:32 +08:00
|
|
|
const struct dpll_data *ddt)
|
2013-06-12 21:04:34 +08:00
|
|
|
{
|
|
|
|
struct clk_hw_omap *clk_hw = NULL;
|
|
|
|
struct clk_init_data *init = NULL;
|
|
|
|
const char **parent_names = NULL;
|
|
|
|
struct dpll_data *dd = NULL;
|
|
|
|
u8 dpll_mode = 0;
|
|
|
|
|
|
|
|
dd = kzalloc(sizeof(*dd), GFP_KERNEL);
|
|
|
|
clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
|
|
|
|
init = kzalloc(sizeof(*init), GFP_KERNEL);
|
|
|
|
if (!dd || !clk_hw || !init)
|
|
|
|
goto cleanup;
|
|
|
|
|
|
|
|
memcpy(dd, ddt, sizeof(*dd));
|
|
|
|
|
|
|
|
clk_hw->dpll_data = dd;
|
|
|
|
clk_hw->ops = &clkhwops_omap3_dpll;
|
|
|
|
clk_hw->hw.init = init;
|
|
|
|
|
|
|
|
init->name = node->name;
|
|
|
|
init->ops = ops;
|
|
|
|
|
|
|
|
init->num_parents = of_clk_get_parent_count(node);
|
2016-02-20 09:49:23 +08:00
|
|
|
if (!init->num_parents) {
|
2013-06-12 21:04:34 +08:00
|
|
|
pr_err("%s must have parent(s)\n", node->name);
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
parent_names = kzalloc(sizeof(char *) * init->num_parents, GFP_KERNEL);
|
|
|
|
if (!parent_names)
|
|
|
|
goto cleanup;
|
|
|
|
|
2015-07-07 11:59:06 +08:00
|
|
|
of_clk_parent_fill(node, parent_names, init->num_parents);
|
2013-06-12 21:04:34 +08:00
|
|
|
|
|
|
|
init->parent_names = parent_names;
|
|
|
|
|
2017-02-09 17:24:37 +08:00
|
|
|
if (ti_clk_get_reg_addr(node, 0, &dd->control_reg))
|
|
|
|
goto cleanup;
|
2013-06-12 21:04:34 +08:00
|
|
|
|
2014-02-21 23:36:21 +08:00
|
|
|
/*
|
|
|
|
* Special case for OMAP2 DPLL, register order is different due to
|
|
|
|
* missing idlest_reg, also clkhwops is different. Detected from
|
|
|
|
* missing idlest_mask.
|
|
|
|
*/
|
|
|
|
if (!dd->idlest_mask) {
|
2017-02-09 17:24:37 +08:00
|
|
|
if (ti_clk_get_reg_addr(node, 1, &dd->mult_div1_reg))
|
|
|
|
goto cleanup;
|
2014-02-21 23:36:21 +08:00
|
|
|
#ifdef CONFIG_ARCH_OMAP2
|
|
|
|
clk_hw->ops = &clkhwops_omap2xxx_dpll;
|
|
|
|
omap2xxx_clkt_dpllcore_init(&clk_hw->hw);
|
|
|
|
#endif
|
|
|
|
} else {
|
2017-02-09 17:24:37 +08:00
|
|
|
if (ti_clk_get_reg_addr(node, 1, &dd->idlest_reg))
|
2014-02-21 23:36:21 +08:00
|
|
|
goto cleanup;
|
|
|
|
|
2017-02-09 17:24:37 +08:00
|
|
|
if (ti_clk_get_reg_addr(node, 2, &dd->mult_div1_reg))
|
|
|
|
goto cleanup;
|
2014-02-21 23:36:21 +08:00
|
|
|
}
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
if (dd->autoidle_mask) {
|
2017-02-09 17:24:37 +08:00
|
|
|
if (ti_clk_get_reg_addr(node, 3, &dd->autoidle_reg))
|
2013-06-12 21:04:34 +08:00
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (of_property_read_bool(node, "ti,low-power-stop"))
|
|
|
|
dpll_mode |= 1 << DPLL_LOW_POWER_STOP;
|
|
|
|
|
|
|
|
if (of_property_read_bool(node, "ti,low-power-bypass"))
|
|
|
|
dpll_mode |= 1 << DPLL_LOW_POWER_BYPASS;
|
|
|
|
|
|
|
|
if (of_property_read_bool(node, "ti,lock"))
|
|
|
|
dpll_mode |= 1 << DPLL_LOCKED;
|
|
|
|
|
|
|
|
if (dpll_mode)
|
|
|
|
dd->modes = dpll_mode;
|
|
|
|
|
2015-01-30 04:24:28 +08:00
|
|
|
_register_dpll(&clk_hw->hw, node);
|
2013-06-12 21:04:34 +08:00
|
|
|
return;
|
|
|
|
|
|
|
|
cleanup:
|
|
|
|
kfree(dd);
|
|
|
|
kfree(parent_names);
|
|
|
|
kfree(init);
|
|
|
|
kfree(clk_hw);
|
|
|
|
}
|
|
|
|
|
|
|
|
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
|
|
|
|
defined(CONFIG_SOC_DRA7XX)
|
|
|
|
static void __init of_ti_omap4_dpll_x2_setup(struct device_node *node)
|
|
|
|
{
|
2015-01-30 04:24:28 +08:00
|
|
|
_register_dpll_x2(node, &dpll_x2_ck_ops, &clkhwops_omap4_dpllmx);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock",
|
|
|
|
of_ti_omap4_dpll_x2_setup);
|
|
|
|
#endif
|
|
|
|
|
2014-06-17 22:03:24 +08:00
|
|
|
#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
|
2013-06-12 21:04:34 +08:00
|
|
|
static void __init of_ti_am3_dpll_x2_setup(struct device_node *node)
|
|
|
|
{
|
2015-01-30 04:24:28 +08:00
|
|
|
_register_dpll_x2(node, &dpll_x2_ck_ops, NULL);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_am3_dpll_x2_clock, "ti,am3-dpll-x2-clock",
|
|
|
|
of_ti_am3_dpll_x2_setup);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_ARCH_OMAP3
|
|
|
|
static void __init of_ti_omap3_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.autoidle_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
|
|
|
.freqsel_mask = 0xf0,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2016-12-03 05:14:38 +08:00
|
|
|
if ((of_machine_is_compatible("ti,omap3630") ||
|
|
|
|
of_machine_is_compatible("ti,omap36xx")) &&
|
|
|
|
!strcmp(node->name, "dpll5_ck"))
|
|
|
|
of_ti_dpll_setup(node, &omap3_dpll5_ck_ops, &dd);
|
|
|
|
else
|
|
|
|
of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap3_dpll_clock, "ti,omap3-dpll-clock",
|
|
|
|
of_ti_omap3_dpll_setup);
|
|
|
|
|
|
|
|
static void __init of_ti_omap3_core_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.autoidle_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 16,
|
|
|
|
.div1_mask = 0x7f << 8,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
|
|
|
.freqsel_mask = 0xf0,
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &omap3_dpll_core_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap3_core_dpll_clock, "ti,omap3-dpll-core-clock",
|
|
|
|
of_ti_omap3_core_dpll_setup);
|
|
|
|
|
|
|
|
static void __init of_ti_omap3_per_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1 << 1,
|
|
|
|
.enable_mask = 0x7 << 16,
|
|
|
|
.autoidle_mask = 0x7 << 3,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
|
|
|
.freqsel_mask = 0xf00000,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap3_per_dpll_clock, "ti,omap3-dpll-per-clock",
|
|
|
|
of_ti_omap3_per_dpll_setup);
|
|
|
|
|
|
|
|
static void __init of_ti_omap3_per_jtype_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1 << 1,
|
|
|
|
.enable_mask = 0x7 << 16,
|
|
|
|
.autoidle_mask = 0x7 << 3,
|
|
|
|
.mult_mask = 0xfff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 4095,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
|
|
|
.sddiv_mask = 0xff << 24,
|
|
|
|
.dco_mask = 0xe << 20,
|
|
|
|
.flags = DPLL_J_TYPE,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap3_per_jtype_dpll_clock, "ti,omap3-dpll-per-j-type-clock",
|
|
|
|
of_ti_omap3_per_jtype_dpll_setup);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void __init of_ti_omap4_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.autoidle_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap4_dpll_clock, "ti,omap4-dpll-clock",
|
|
|
|
of_ti_omap4_dpll_setup);
|
|
|
|
|
2014-05-16 18:45:59 +08:00
|
|
|
static void __init of_ti_omap5_mpu_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.autoidle_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.dcc_mask = BIT(22),
|
|
|
|
.dcc_rate = 1400000000, /* DCC beyond 1.4GHz */
|
|
|
|
.min_divider = 1,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
|
|
|
of_ti_dpll_setup(node, &dpll_ck_ops, &dd);
|
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(of_ti_omap5_mpu_dpll_clock, "ti,omap5-mpu-dpll-clock",
|
|
|
|
of_ti_omap5_mpu_dpll_setup);
|
|
|
|
|
2013-06-12 21:04:34 +08:00
|
|
|
static void __init of_ti_omap4_core_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.autoidle_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap4_core_dpll_clock, "ti,omap4-dpll-core-clock",
|
|
|
|
of_ti_omap4_core_dpll_setup);
|
|
|
|
|
|
|
|
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
|
|
|
|
defined(CONFIG_SOC_DRA7XX)
|
|
|
|
static void __init of_ti_omap4_m4xen_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.autoidle_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
|
|
|
.m4xen_mask = 0x800,
|
|
|
|
.lpmode_mask = 1 << 10,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap4_m4xen_dpll_clock, "ti,omap4-dpll-m4xen-clock",
|
|
|
|
of_ti_omap4_m4xen_dpll_setup);
|
|
|
|
|
|
|
|
static void __init of_ti_omap4_jtype_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.autoidle_mask = 0x7,
|
|
|
|
.mult_mask = 0xfff << 8,
|
|
|
|
.div1_mask = 0xff,
|
|
|
|
.max_multiplier = 4095,
|
|
|
|
.max_divider = 256,
|
|
|
|
.min_divider = 1,
|
|
|
|
.sddiv_mask = 0xff << 24,
|
|
|
|
.flags = DPLL_J_TYPE,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap4_jtype_dpll_clock, "ti,omap4-dpll-j-type-clock",
|
|
|
|
of_ti_omap4_jtype_dpll_setup);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void __init of_ti_am3_no_gate_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
2016-03-17 03:54:56 +08:00
|
|
|
.max_rate = 1000000000,
|
2013-06-12 21:04:34 +08:00
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_am3_no_gate_dpll_clock, "ti,am3-dpll-no-gate-clock",
|
|
|
|
of_ti_am3_no_gate_dpll_setup);
|
|
|
|
|
|
|
|
static void __init of_ti_am3_jtype_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 4095,
|
|
|
|
.max_divider = 256,
|
|
|
|
.min_divider = 2,
|
|
|
|
.flags = DPLL_J_TYPE,
|
2016-03-17 03:54:56 +08:00
|
|
|
.max_rate = 2000000000,
|
2013-06-12 21:04:34 +08:00
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_am3_jtype_dpll_clock, "ti,am3-dpll-j-type-clock",
|
|
|
|
of_ti_am3_jtype_dpll_setup);
|
|
|
|
|
|
|
|
static void __init of_ti_am3_no_gate_jtype_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
2016-03-17 03:54:56 +08:00
|
|
|
.max_rate = 2000000000,
|
2013-06-12 21:04:34 +08:00
|
|
|
.flags = DPLL_J_TYPE,
|
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_am3_no_gate_jtype_dpll_clock,
|
|
|
|
"ti,am3-dpll-no-gate-j-type-clock",
|
|
|
|
of_ti_am3_no_gate_jtype_dpll_setup);
|
|
|
|
|
|
|
|
static void __init of_ti_am3_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
2016-03-17 03:54:56 +08:00
|
|
|
.max_rate = 1000000000,
|
2013-06-12 21:04:34 +08:00
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_am3_dpll_clock, "ti,am3-dpll-clock", of_ti_am3_dpll_setup);
|
|
|
|
|
|
|
|
static void __init of_ti_am3_core_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.idlest_mask = 0x1,
|
|
|
|
.enable_mask = 0x7,
|
|
|
|
.mult_mask = 0x7ff << 8,
|
|
|
|
.div1_mask = 0x7f,
|
|
|
|
.max_multiplier = 2047,
|
|
|
|
.max_divider = 128,
|
|
|
|
.min_divider = 1,
|
2016-03-17 03:54:56 +08:00
|
|
|
.max_rate = 1000000000,
|
2013-06-12 21:04:34 +08:00
|
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
|
|
};
|
|
|
|
|
2014-02-21 23:22:32 +08:00
|
|
|
of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd);
|
2013-06-12 21:04:34 +08:00
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_am3_core_dpll_clock, "ti,am3-dpll-core-clock",
|
|
|
|
of_ti_am3_core_dpll_setup);
|
2014-02-21 23:36:21 +08:00
|
|
|
|
|
|
|
static void __init of_ti_omap2_core_dpll_setup(struct device_node *node)
|
|
|
|
{
|
|
|
|
const struct dpll_data dd = {
|
|
|
|
.enable_mask = 0x3,
|
|
|
|
.mult_mask = 0x3ff << 12,
|
|
|
|
.div1_mask = 0xf << 8,
|
|
|
|
.max_divider = 16,
|
|
|
|
.min_divider = 1,
|
|
|
|
};
|
|
|
|
|
|
|
|
of_ti_dpll_setup(node, &omap2_dpll_core_ck_ops, &dd);
|
|
|
|
}
|
|
|
|
CLK_OF_DECLARE(ti_omap2_core_dpll_clock, "ti,omap2-dpll-core-clock",
|
|
|
|
of_ti_omap2_core_dpll_setup);
|