u-boot/drivers/clk/renesas/rcar-gen3-cpg.h
Marek Vasut 716d775286 clk: renesas: Add PE clock handling
The PE clock have two parents, add support for picking the correct
one and deriving the clock from it.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
2018-06-01 09:42:13 +02:00

62 lines
1.5 KiB
C

/*
* R-Car Gen3 Clock Pulse Generator
*
* Copyright (C) 2015-2016 Glider bvba
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*/
#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_RPC,
CLK_TYPE_GEN3_R,
CLK_TYPE_GEN3_PE,
CLK_TYPE_GEN3_Z2,
};
#define DEF_GEN3_SD(_name, _id, _parent, _offset) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
#define DEF_GEN3_RPC(_name, _id, _parent, _offset) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_RPC, _parent, .offset = _offset)
#define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \
_div_clean) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_PE, \
(_parent_sscg) << 16 | (_parent_clean), \
.div = (_div_sscg) << 16 | (_div_clean))
struct rcar_gen3_cpg_pll_config {
u8 extal_div;
u8 pll1_mult;
u8 pll1_div;
u8 pll3_mult;
u8 pll3_div;
};
#define CPG_RCKCR 0x240
struct gen3_clk_priv {
void __iomem *base;
struct cpg_mssr_info *info;
struct clk clk_extal;
struct clk clk_extalr;
bool sscg;
const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
};
int gen3_clk_probe(struct udevice *dev);
int gen3_clk_remove(struct udevice *dev);
extern const struct clk_ops gen3_clk_ops;
#endif