776 строки
21 KiB
C
776 строки
21 KiB
C
/*
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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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#include <linux/clk.h>
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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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#include "clock.h"
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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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.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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.get_parent = &omap2_init_dpll_parent,
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};
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#else
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static const struct clk_ops dpll_m4xen_ck_ops = {};
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#endif
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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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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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.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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.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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.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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};
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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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#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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.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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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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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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.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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.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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* _register_dpll - low level registration of a DPLL clock
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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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static void __init _register_dpll(struct clk_hw *hw,
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struct device_node *node)
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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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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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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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node->name);
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if (!ti_clk_retry_init(node, hw, _register_dpll))
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return;
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goto cleanup;
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}
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dd->clk_bypass = __clk_get_hw(clk);
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/* register the clock */
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clk = clk_register(NULL, &clk_hw->hw);
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if (!IS_ERR(clk)) {
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omap2_init_clk_hw_omap_clocks(&clk_hw->hw);
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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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#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_ATAGS)
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static void __iomem *_get_reg(u8 module, u16 offset)
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{
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u32 reg;
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struct clk_omap_reg *reg_setup;
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reg_setup = (struct clk_omap_reg *)®
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reg_setup->index = module;
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reg_setup->offset = offset;
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return (void __iomem *)reg;
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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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clk_hw->flags = MEMMAP_ADDRESSING;
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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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dd->control_reg = _get_reg(dpll->module, dpll->control_reg);
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dd->idlest_reg = _get_reg(dpll->module, dpll->idlest_reg);
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dd->mult_div1_reg = _get_reg(dpll->module, dpll->mult_div1_reg);
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dd->autoidle_reg = _get_reg(dpll->module, dpll->autoidle_reg);
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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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dd->clk_ref = __clk_get_hw(clk_ref);
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dd->clk_bypass = __clk_get_hw(clk_bypass);
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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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clk = clk_register(NULL, &clk_hw->hw);
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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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#endif
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#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
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defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \
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defined(CONFIG_SOC_AM43XX)
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/**
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* _register_dpll_x2 - Registers a DPLLx2 clock
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* @node: device node for this clock
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* @ops: clk_ops for this clock
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* @hw_ops: clk_hw_ops for this clock
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*
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* Initializes a DPLL x 2 clock from device tree data.
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*/
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static void _register_dpll_x2(struct device_node *node,
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const struct clk_ops *ops,
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const struct clk_hw_omap_ops *hw_ops)
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{
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struct clk *clk;
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struct clk_init_data init = { NULL };
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struct clk_hw_omap *clk_hw;
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const char *name = node->name;
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const char *parent_name;
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parent_name = of_clk_get_parent_name(node, 0);
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if (!parent_name) {
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pr_err("%s must have parent\n", node->name);
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return;
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}
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clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
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if (!clk_hw)
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return;
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clk_hw->ops = hw_ops;
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clk_hw->hw.init = &init;
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init.name = name;
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init.ops = ops;
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init.parent_names = &parent_name;
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init.num_parents = 1;
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/* register the clock */
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clk = clk_register(NULL, &clk_hw->hw);
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if (IS_ERR(clk)) {
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kfree(clk_hw);
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} else {
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omap2_init_clk_hw_omap_clocks(&clk_hw->hw);
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of_clk_add_provider(node, of_clk_src_simple_get, clk);
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}
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}
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#endif
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/**
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* of_ti_dpll_setup - Setup function for OMAP DPLL clocks
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* @node: device node containing the DPLL info
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* @ops: ops for the DPLL
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* @ddt: DPLL data template to use
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*
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* Initializes a DPLL clock from device tree data.
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*/
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static void __init of_ti_dpll_setup(struct device_node *node,
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const struct clk_ops *ops,
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const struct dpll_data *ddt)
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{
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struct clk_hw_omap *clk_hw = NULL;
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struct clk_init_data *init = NULL;
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const char **parent_names = NULL;
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struct dpll_data *dd = NULL;
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u8 dpll_mode = 0;
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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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init = kzalloc(sizeof(*init), GFP_KERNEL);
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if (!dd || !clk_hw || !init)
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goto cleanup;
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memcpy(dd, ddt, sizeof(*dd));
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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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clk_hw->flags = MEMMAP_ADDRESSING;
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init->name = node->name;
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init->ops = ops;
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init->num_parents = of_clk_get_parent_count(node);
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if (!init->num_parents) {
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pr_err("%s must have parent(s)\n", node->name);
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goto cleanup;
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}
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parent_names = kzalloc(sizeof(char *) * init->num_parents, GFP_KERNEL);
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if (!parent_names)
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goto cleanup;
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of_clk_parent_fill(node, parent_names, init->num_parents);
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init->parent_names = parent_names;
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dd->control_reg = ti_clk_get_reg_addr(node, 0);
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/*
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* Special case for OMAP2 DPLL, register order is different due to
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* missing idlest_reg, also clkhwops is different. Detected from
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* missing idlest_mask.
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*/
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if (!dd->idlest_mask) {
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dd->mult_div1_reg = ti_clk_get_reg_addr(node, 1);
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#ifdef CONFIG_ARCH_OMAP2
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clk_hw->ops = &clkhwops_omap2xxx_dpll;
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omap2xxx_clkt_dpllcore_init(&clk_hw->hw);
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#endif
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} else {
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dd->idlest_reg = ti_clk_get_reg_addr(node, 1);
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if (IS_ERR(dd->idlest_reg))
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goto cleanup;
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dd->mult_div1_reg = ti_clk_get_reg_addr(node, 2);
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}
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if (IS_ERR(dd->control_reg) || IS_ERR(dd->mult_div1_reg))
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goto cleanup;
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if (dd->autoidle_mask) {
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dd->autoidle_reg = ti_clk_get_reg_addr(node, 3);
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if (IS_ERR(dd->autoidle_reg))
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goto cleanup;
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}
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if (of_property_read_bool(node, "ti,low-power-stop"))
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dpll_mode |= 1 << DPLL_LOW_POWER_STOP;
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if (of_property_read_bool(node, "ti,low-power-bypass"))
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dpll_mode |= 1 << DPLL_LOW_POWER_BYPASS;
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if (of_property_read_bool(node, "ti,lock"))
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dpll_mode |= 1 << DPLL_LOCKED;
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if (dpll_mode)
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dd->modes = dpll_mode;
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_register_dpll(&clk_hw->hw, node);
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return;
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cleanup:
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kfree(dd);
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kfree(parent_names);
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kfree(init);
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kfree(clk_hw);
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}
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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 void __init of_ti_omap4_dpll_x2_setup(struct device_node *node)
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{
|
|
_register_dpll_x2(node, &dpll_x2_ck_ops, &clkhwops_omap4_dpllmx);
|
|
}
|
|
CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock",
|
|
of_ti_omap4_dpll_x2_setup);
|
|
#endif
|
|
|
|
#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
|
|
static void __init of_ti_am3_dpll_x2_setup(struct device_node *node)
|
|
{
|
|
_register_dpll_x2(node, &dpll_x2_ck_ops, NULL);
|
|
}
|
|
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),
|
|
};
|
|
|
|
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);
|
|
}
|
|
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,
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &omap3_dpll_core_ck_ops, &dd);
|
|
}
|
|
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),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd);
|
|
}
|
|
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),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd);
|
|
}
|
|
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),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_ck_ops, &dd);
|
|
}
|
|
CLK_OF_DECLARE(ti_omap4_dpll_clock, "ti,omap4-dpll-clock",
|
|
of_ti_omap4_dpll_setup);
|
|
|
|
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);
|
|
|
|
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),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd);
|
|
}
|
|
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),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd);
|
|
}
|
|
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),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd);
|
|
}
|
|
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,
|
|
.max_rate = 1000000000,
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd);
|
|
}
|
|
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,
|
|
.max_rate = 2000000000,
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_ck_ops, &dd);
|
|
}
|
|
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,
|
|
.max_rate = 2000000000,
|
|
.flags = DPLL_J_TYPE,
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd);
|
|
}
|
|
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,
|
|
.max_rate = 1000000000,
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_ck_ops, &dd);
|
|
}
|
|
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,
|
|
.max_rate = 1000000000,
|
|
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
|
|
};
|
|
|
|
of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd);
|
|
}
|
|
CLK_OF_DECLARE(ti_am3_core_dpll_clock, "ti,am3-dpll-core-clock",
|
|
of_ti_am3_core_dpll_setup);
|
|
|
|
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);
|