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/*
* Renesas R8A77995 CPG MSSR driver
*
* Copyright (C) 2017-2018 Marek Vasut <marek.vasut@gmail.com>
*
* Based on the following driver from Linux kernel:
* r8a7796 Clock Pulse Generator / Module Standby and Software Reset
*
* Copyright (C) 2016 Glider bvba
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <clk-uclass.h>
#include <dm.h>
#include <dt-bindings/clock/r8a77995-cpg-mssr.h>
#include "renesas-cpg-mssr.h"
static const struct cpg_core_clk r8a77995_core_clks[] = {
/* External Clock Inputs */
DEF_INPUT("extal", CLK_EXTAL),
/* Internal Core Clocks */
DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
DEF_FIXED(".pll0", CLK_PLL0, CLK_MAIN, 4, 250),
DEF_FIXED(".pll0d2", CLK_PLL0D2, CLK_PLL0, 2, 1),
DEF_FIXED(".pll0d3", CLK_PLL0D3, CLK_PLL0, 3, 1),
DEF_FIXED(".pll0d5", CLK_PLL0D5, CLK_PLL0, 5, 1),
DEF_FIXED(".pll1d2", CLK_PLL1D2, CLK_PLL1, 2, 1),
DEF_FIXED(".pe", CLK_PE, CLK_PLL0D3, 4, 1),
DEF_FIXED(".s0", CLK_S0, CLK_PLL1, 2, 1),
DEF_FIXED(".s1", CLK_S1, CLK_PLL1, 3, 1),
DEF_FIXED(".s2", CLK_S2, CLK_PLL1, 4, 1),
DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1),
DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1),
/* Core Clock Outputs */
DEF_FIXED("z2", R8A77995_CLK_Z2, CLK_PLL0D3, 1, 1),
DEF_FIXED("ztr", R8A77995_CLK_ZTR, CLK_PLL1, 6, 1),
DEF_FIXED("zt", R8A77995_CLK_ZT, CLK_PLL1, 4, 1),
DEF_FIXED("zx", R8A77995_CLK_ZX, CLK_PLL1, 3, 1),
DEF_FIXED("s0d1", R8A77995_CLK_S0D1, CLK_S0, 1, 1),
DEF_FIXED("s1d1", R8A77995_CLK_S1D1, CLK_S1, 1, 1),
DEF_FIXED("s1d2", R8A77995_CLK_S1D2, CLK_S1, 2, 1),
DEF_FIXED("s1d4", R8A77995_CLK_S1D4, CLK_S1, 4, 1),
DEF_FIXED("s2d1", R8A77995_CLK_S2D1, CLK_S2, 1, 1),
DEF_FIXED("s2d2", R8A77995_CLK_S2D2, CLK_S2, 2, 1),
DEF_FIXED("s2d4", R8A77995_CLK_S2D4, CLK_S2, 4, 1),
DEF_FIXED("s3d1", R8A77995_CLK_S3D1, CLK_S3, 1, 1),
DEF_FIXED("s3d2", R8A77995_CLK_S3D2, CLK_S3, 2, 1),
DEF_FIXED("s3d4", R8A77995_CLK_S3D4, CLK_S3, 4, 1),
DEF_FIXED("cl", R8A77995_CLK_CL, CLK_PLL1, 48, 1),
DEF_FIXED("cp", R8A77995_CLK_CP, CLK_EXTAL, 2, 1),
DEF_FIXED("osc", R8A77995_CLK_OSC, CLK_EXTAL, 384, 1),
DEF_FIXED("r", R8A77995_CLK_R, CLK_EXTAL, 1536, 1),
DEF_GEN3_PE("s1d4c", R8A77995_CLK_S1D4C, CLK_S1, 4, CLK_PE, 2),
DEF_GEN3_PE("s3d1c", R8A77995_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1),
DEF_GEN3_PE("s3d2c", R8A77995_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2),
DEF_GEN3_PE("s3d4c", R8A77995_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4),
DEF_GEN3_SD("sd0", R8A77995_CLK_SD0, CLK_SDSRC, 0x268),
};
static const struct mssr_mod_clk r8a77995_mod_clks[] = {
DEF_MOD("scif5", 202, R8A77995_CLK_S3D4C),
DEF_MOD("scif4", 203, R8A77995_CLK_S3D4C),
DEF_MOD("scif3", 204, R8A77995_CLK_S3D4C),
DEF_MOD("scif1", 206, R8A77995_CLK_S3D4C),
DEF_MOD("scif0", 207, R8A77995_CLK_S3D4C),
DEF_MOD("msiof3", 208, R8A77995_CLK_MSO),
DEF_MOD("msiof2", 209, R8A77995_CLK_MSO),
DEF_MOD("msiof1", 210, R8A77995_CLK_MSO),
DEF_MOD("msiof0", 211, R8A77995_CLK_MSO),
DEF_MOD("sys-dmac2", 217, R8A77995_CLK_S3D1),
DEF_MOD("sys-dmac1", 218, R8A77995_CLK_S3D1),
DEF_MOD("sys-dmac0", 219, R8A77995_CLK_S3D1),
DEF_MOD("cmt3", 300, R8A77995_CLK_R),
DEF_MOD("cmt2", 301, R8A77995_CLK_R),
DEF_MOD("cmt1", 302, R8A77995_CLK_R),
DEF_MOD("cmt0", 303, R8A77995_CLK_R),
DEF_MOD("scif2", 310, R8A77995_CLK_S3D4C),
DEF_MOD("emmc0", 312, R8A77995_CLK_SD0),
DEF_MOD("usb-dmac0", 330, R8A77995_CLK_S3D1),
DEF_MOD("usb-dmac1", 331, R8A77995_CLK_S3D1),
DEF_MOD("rwdt", 402, R8A77995_CLK_R),
DEF_MOD("intc-ex", 407, R8A77995_CLK_CP),
DEF_MOD("intc-ap", 408, R8A77995_CLK_S3D1),
DEF_MOD("audmac0", 502, R8A77995_CLK_S3D1),
DEF_MOD("hscif3", 517, R8A77995_CLK_S3D1C),
DEF_MOD("hscif0", 520, R8A77995_CLK_S3D1C),
DEF_MOD("thermal", 522, R8A77995_CLK_CP),
DEF_MOD("pwm", 523, R8A77995_CLK_S3D4C),
DEF_MOD("fcpvd1", 602, R8A77995_CLK_S1D2),
DEF_MOD("fcpvd0", 603, R8A77995_CLK_S1D2),
DEF_MOD("fcpvbs", 607, R8A77995_CLK_S0D1),
DEF_MOD("vspd1", 622, R8A77995_CLK_S1D2),
DEF_MOD("vspd0", 623, R8A77995_CLK_S1D2),
DEF_MOD("vspbs", 627, R8A77995_CLK_S0D1),
DEF_MOD("ehci0", 703, R8A77995_CLK_S3D2),
DEF_MOD("hsusb", 704, R8A77995_CLK_S3D2),
DEF_MOD("du1", 723, R8A77995_CLK_S2D1),
DEF_MOD("du0", 724, R8A77995_CLK_S2D1),
DEF_MOD("lvds", 727, R8A77995_CLK_S2D1),
DEF_MOD("vin7", 804, R8A77995_CLK_S1D2),
DEF_MOD("vin6", 805, R8A77995_CLK_S1D2),
DEF_MOD("vin5", 806, R8A77995_CLK_S1D2),
DEF_MOD("vin4", 807, R8A77995_CLK_S1D2),
DEF_MOD("etheravb", 812, R8A77995_CLK_S3D2),
DEF_MOD("imr0", 823, R8A77995_CLK_S1D2),
DEF_MOD("gpio6", 906, R8A77995_CLK_S3D4),
DEF_MOD("gpio5", 907, R8A77995_CLK_S3D4),
DEF_MOD("gpio4", 908, R8A77995_CLK_S3D4),
DEF_MOD("gpio3", 909, R8A77995_CLK_S3D4),
DEF_MOD("gpio2", 910, R8A77995_CLK_S3D4),
DEF_MOD("gpio1", 911, R8A77995_CLK_S3D4),
DEF_MOD("gpio0", 912, R8A77995_CLK_S3D4),
DEF_MOD("can-fd", 914, R8A77995_CLK_S3D2),
DEF_MOD("can-if1", 915, R8A77995_CLK_S3D4),
DEF_MOD("can-if0", 916, R8A77995_CLK_S3D4),
DEF_MOD("i2c3", 928, R8A77995_CLK_S3D2),
DEF_MOD("i2c2", 929, R8A77995_CLK_S3D2),
DEF_MOD("i2c1", 930, R8A77995_CLK_S3D2),
DEF_MOD("i2c0", 931, R8A77995_CLK_S3D2),
DEF_MOD("ssi-all", 1005, R8A77995_CLK_S3D4),
DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
DEF_MOD("scu-all", 1017, R8A77995_CLK_S3D4),
DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
};
static const struct mstp_stop_table r8a77995_mstp_table[] = {
{ 0x00200000, 0x0 }, { 0xFFFFFFFF, 0x0 },
{ 0x340E2FDC, 0x2040 }, { 0xFFFFFFDF, 0x400 },
{ 0x80000184, 0x180 }, { 0xC3FFFFFF, 0x0 },
{ 0xFFFFFFFF, 0x0 }, { 0xFFFFFFFF, 0x0 },
{ 0x01F1FFF7, 0x0 }, { 0xFFFFFFFE, 0x0 },
{ 0xFFFEFFE0, 0x0 }, { 0x000000B7, 0x0 },
};
static const struct cpg_mssr_info r8a77995_cpg_mssr_info = {
.core_clk = r8a77995_core_clks,
.core_clk_size = ARRAY_SIZE(r8a77995_core_clks),
.mod_clk = r8a77995_mod_clks,
.mod_clk_size = ARRAY_SIZE(r8a77995_mod_clks),
.mstp_table = r8a77995_mstp_table,
.mstp_table_size = ARRAY_SIZE(r8a77995_mstp_table),
.reset_node = "renesas,r8a77995-rst",
};
static const struct udevice_id r8a77995_clk_ids[] = {
{
.compatible = "renesas,r8a77995-cpg-mssr",
.data = (ulong)&r8a77995_cpg_mssr_info
},
{ }
};
U_BOOT_DRIVER(clk_r8a77995) = {
.name = "clk_r8a77995",
.id = UCLASS_CLK,
.of_match = r8a77995_clk_ids,
.priv_auto_alloc_size = sizeof(struct gen3_clk_priv),
.ops = &gen3_clk_ops,
.probe = gen3_clk_probe,
.remove = gen3_clk_remove,
};
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