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/* SPDX-License-Identifier: GPL-2.0 */
/*
* R-Car Gen3 Clock Pulse Generator
*
* Copyright (C) 2015-2018 Glider bvba
* Copyright (C) 2018 Renesas Electronics Corp.
*
*/
#ifndef __CLK_RENESAS_RCAR_GEN3_CPG_H__
#define __CLK_RENESAS_RCAR_GEN3_CPG_H__
enum rcar_gen3_clk_types {
CLK_TYPE_GEN3_MAIN = CLK_TYPE_CUSTOM,
CLK_TYPE_GEN3_PLL0,
CLK_TYPE_GEN3_PLL1,
CLK_TYPE_GEN3_PLL2,
CLK_TYPE_GEN3_PLL3,
CLK_TYPE_GEN3_PLL4,
CLK_TYPE_GEN3_SD,
CLK_TYPE_GEN3_R,
CLK_TYPE_GEN3_MDSEL, /* Select parent/divider using mode pin */
CLK_TYPE_GEN3_Z,
CLK_TYPE_GEN3_OSC, /* OSC EXTAL predivider and fixed divider */
CLK_TYPE_GEN3_RCKSEL, /* Select parent/divider using RCKCR.CKSEL */
CLK_TYPE_GEN3_RPCSRC,
CLK_TYPE_GEN3_E3_RPCSRC,
CLK_TYPE_GEN3_RPC,
CLK_TYPE_GEN3_RPCD2,
/* SoC specific definitions start here */
CLK_TYPE_GEN3_SOC_BASE,
};
#define DEF_GEN3_SD(_name, _id, _parent, _offset) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
#define DEF_GEN3_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_MDSEL, \
(_parent0) << 16 | (_parent1), \
.div = (_div0) << 16 | (_div1), .offset = _md)
#define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \
_div_clean) \
DEF_GEN3_MDSEL(_name, _id, 12, _parent_sscg, _div_sscg, \
_parent_clean, _div_clean)
#define DEF_GEN3_OSC(_name, _id, _parent, _div) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_OSC, _parent, .div = _div)
#define DEF_GEN3_RCKSEL(_name, _id, _parent0, _div0, _parent1, _div1) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_RCKSEL, \
(_parent0) << 16 | (_parent1), .div = (_div0) << 16 | (_div1))
#define DEF_GEN3_Z(_name, _id, _type, _parent, _div, _offset) \
DEF_BASE(_name, _id, _type, _parent, .div = _div, .offset = _offset)
#define DEF_FIXED_RPCSRC_E3(_name, _id, _parent0, _parent1) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_E3_RPCSRC, \
(_parent0) << 16 | (_parent1), .div = 8)
struct rcar_gen3_cpg_pll_config {
u8 extal_div;
u8 pll1_mult;
u8 pll1_div;
u8 pll3_mult;
u8 pll3_div;
u8 osc_prediv;
};
#define CPG_RPCCKCR 0x238
#define CPG_RCKCR 0x240
struct clk *rcar_gen3_cpg_clk_register(struct device *dev,
const struct cpg_core_clk *core, const struct cpg_mssr_info *info,
struct clk **clks, void __iomem *base,
struct raw_notifier_head *notifiers);
int rcar_gen3_cpg_init(const struct rcar_gen3_cpg_pll_config *config,
unsigned int clk_extalr, u32 mode);
#endif
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