Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 234 insertions, 0 deletions

diff --git a/drivers/clk/renesas/r8a779f0-cpg-mssr.c b/drivers/clk/renesas/r8a779f0-cpg-mssr.c
new file mode 100644
index 000000000..27b668def
--- /dev/null
+++ b/drivers/clk/renesas/r8a779f0-cpg-mssr.c
@@ -0,0 +1,234 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * r8a779f0 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ *
+ * Based on r8a779a0-cpg-mssr.c
+ */
+
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/soc/renesas/rcar-rst.h>
+
+#include <dt-bindings/clock/r8a779f0-cpg-mssr.h>
+
+#include "renesas-cpg-mssr.h"
+#include "rcar-gen4-cpg.h"
+
+enum clk_ids {
+	/* Core Clock Outputs exported to DT */
+	LAST_DT_CORE_CLK = R8A779F0_CLK_R,
+
+	/* External Input Clocks */
+	CLK_EXTAL,
+	CLK_EXTALR,
+
+	/* Internal Core Clocks */
+	CLK_MAIN,
+	CLK_PLL1,
+	CLK_PLL2,
+	CLK_PLL3,
+	CLK_PLL5,
+	CLK_PLL6,
+	CLK_PLL1_DIV2,
+	CLK_PLL2_DIV2,
+	CLK_PLL3_DIV2,
+	CLK_PLL5_DIV2,
+	CLK_PLL5_DIV4,
+	CLK_PLL6_DIV2,
+	CLK_S0,
+	CLK_SDSRC,
+	CLK_RPCSRC,
+	CLK_OCO,
+
+	/* Module Clocks */
+	MOD_CLK_BASE
+};
+
+static const struct cpg_core_clk r8a779f0_core_clks[] __initconst = {
+	/* External Clock Inputs */
+	DEF_INPUT("extal",	CLK_EXTAL),
+	DEF_INPUT("extalr",	CLK_EXTALR),
+
+	/* Internal Core Clocks */
+	DEF_BASE(".main", CLK_MAIN,	CLK_TYPE_GEN4_MAIN, CLK_EXTAL),
+	DEF_BASE(".pll1", CLK_PLL1,	CLK_TYPE_GEN4_PLL1, CLK_MAIN),
+	DEF_BASE(".pll2", CLK_PLL2,	CLK_TYPE_GEN4_PLL2, CLK_MAIN),
+	DEF_BASE(".pll3", CLK_PLL3,	CLK_TYPE_GEN4_PLL3, CLK_MAIN),
+	DEF_BASE(".pll5", CLK_PLL5,	CLK_TYPE_GEN4_PLL5, CLK_MAIN),
+	DEF_BASE(".pll6", CLK_PLL6,	CLK_TYPE_GEN4_PLL6, CLK_MAIN),
+
+	DEF_FIXED(".pll1_div2",	CLK_PLL1_DIV2,	CLK_PLL1,	2, 1),
+	DEF_FIXED(".pll2_div2",	CLK_PLL2_DIV2,	CLK_PLL2,	2, 1),
+	DEF_FIXED(".pll3_div2",	CLK_PLL3_DIV2,	CLK_PLL3,	2, 1),
+	DEF_FIXED(".pll5_div2",	CLK_PLL5_DIV2,	CLK_PLL5,	2, 1),
+	DEF_FIXED(".pll5_div4",	CLK_PLL5_DIV4,	CLK_PLL5_DIV2,	2, 1),
+	DEF_FIXED(".pll6_div2",	CLK_PLL6_DIV2,	CLK_PLL6,	2, 1),
+	DEF_FIXED(".s0",	CLK_S0,		CLK_PLL1_DIV2,	2, 1),
+
+	DEF_BASE(".sdsrc",	CLK_SDSRC,	CLK_TYPE_GEN4_SDSRC, CLK_PLL5),
+	DEF_RATE(".oco",	CLK_OCO,	32768),
+
+	DEF_BASE(".rpcsrc",	CLK_RPCSRC,	CLK_TYPE_GEN4_RPCSRC, CLK_PLL5),
+
+	/* Core Clock Outputs */
+	DEF_GEN4_Z("z0",	R8A779F0_CLK_Z0,	CLK_TYPE_GEN4_Z,	CLK_PLL2,	2, 0),
+	DEF_GEN4_Z("z1",	R8A779F0_CLK_Z1,	CLK_TYPE_GEN4_Z,	CLK_PLL2,	2, 8),
+	DEF_FIXED("s0d2",	R8A779F0_CLK_S0D2,	CLK_S0,		2, 1),
+	DEF_FIXED("s0d3",	R8A779F0_CLK_S0D3,	CLK_S0,		3, 1),
+	DEF_FIXED("s0d4",	R8A779F0_CLK_S0D4,	CLK_S0,		4, 1),
+	DEF_FIXED("cl16m",	R8A779F0_CLK_CL16M,	CLK_S0,		48, 1),
+	DEF_FIXED("s0d2_mm",	R8A779F0_CLK_S0D2_MM,	CLK_S0,		2, 1),
+	DEF_FIXED("s0d3_mm",	R8A779F0_CLK_S0D3_MM,	CLK_S0,		3, 1),
+	DEF_FIXED("s0d4_mm",	R8A779F0_CLK_S0D4_MM,	CLK_S0,		4, 1),
+	DEF_FIXED("cl16m_mm",	R8A779F0_CLK_CL16M_MM,	CLK_S0,		48, 1),
+	DEF_FIXED("s0d2_rt",	R8A779F0_CLK_S0D2_RT,	CLK_S0,		2, 1),
+	DEF_FIXED("s0d3_rt",	R8A779F0_CLK_S0D3_RT,	CLK_S0,		3, 1),
+	DEF_FIXED("s0d4_rt",	R8A779F0_CLK_S0D4_RT,	CLK_S0,		4, 1),
+	DEF_FIXED("s0d6_rt",	R8A779F0_CLK_S0D6_RT,	CLK_S0,		6, 1),
+	DEF_FIXED("cl16m_rt",	R8A779F0_CLK_CL16M_RT,	CLK_S0,		48, 1),
+	DEF_FIXED("s0d3_per",	R8A779F0_CLK_S0D3_PER,	CLK_S0,		3, 1),
+	DEF_FIXED("s0d6_per",	R8A779F0_CLK_S0D6_PER,	CLK_S0,		6, 1),
+	DEF_FIXED("s0d12_per",	R8A779F0_CLK_S0D12_PER,	CLK_S0,		12, 1),
+	DEF_FIXED("s0d24_per",	R8A779F0_CLK_S0D24_PER,	CLK_S0,		24, 1),
+	DEF_FIXED("cl16m_per",	R8A779F0_CLK_CL16M_PER,	CLK_S0,		48, 1),
+	DEF_FIXED("s0d2_hsc",	R8A779F0_CLK_S0D2_HSC,	CLK_S0,		2, 1),
+	DEF_FIXED("s0d3_hsc",	R8A779F0_CLK_S0D3_HSC,	CLK_S0,		3, 1),
+	DEF_FIXED("s0d4_hsc",	R8A779F0_CLK_S0D4_HSC,	CLK_S0,		4, 1),
+	DEF_FIXED("s0d6_hsc",	R8A779F0_CLK_S0D6_HSC,	CLK_S0,		6, 1),
+	DEF_FIXED("s0d12_hsc",	R8A779F0_CLK_S0D12_HSC,	CLK_S0,		12, 1),
+	DEF_FIXED("cl16m_hsc",	R8A779F0_CLK_CL16M_HSC,	CLK_S0,		48, 1),
+	DEF_FIXED("s0d2_cc",	R8A779F0_CLK_S0D2_CC,	CLK_S0,		2, 1),
+	DEF_FIXED("rsw2",	R8A779F0_CLK_RSW2,	CLK_PLL5_DIV2,	5, 1),
+	DEF_FIXED("cbfusa",	R8A779F0_CLK_CBFUSA,	CLK_EXTAL,	2, 1),
+	DEF_FIXED("cpex",	R8A779F0_CLK_CPEX,	CLK_EXTAL,	2, 1),
+
+	DEF_FIXED("sasyncrt",	R8A779F0_CLK_SASYNCRT,	CLK_PLL5_DIV4,	48, 1),
+	DEF_FIXED("sasyncperd1", R8A779F0_CLK_SASYNCPERD1, CLK_PLL5_DIV4, 3, 1),
+	DEF_FIXED("sasyncperd2", R8A779F0_CLK_SASYNCPERD2, R8A779F0_CLK_SASYNCPERD1, 2, 1),
+	DEF_FIXED("sasyncperd4", R8A779F0_CLK_SASYNCPERD4, R8A779F0_CLK_SASYNCPERD1, 4, 1),
+
+	DEF_GEN4_SDH("sd0h",	R8A779F0_CLK_SD0H,	CLK_SDSRC,	   0x870),
+	DEF_GEN4_SD("sd0",	R8A779F0_CLK_SD0,	R8A779F0_CLK_SD0H, 0x870),
+
+	DEF_BASE("rpc",		R8A779F0_CLK_RPC,	CLK_TYPE_GEN4_RPC, CLK_RPCSRC),
+	DEF_BASE("rpcd2",	R8A779F0_CLK_RPCD2,	CLK_TYPE_GEN4_RPCD2, R8A779F0_CLK_RPC),
+
+	DEF_DIV6P1("mso",	R8A779F0_CLK_MSO,	CLK_PLL5_DIV4,	0x87c),
+
+	DEF_GEN4_OSC("osc",	R8A779F0_CLK_OSC,	CLK_EXTAL,	8),
+	DEF_GEN4_MDSEL("r",	R8A779F0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1),
+};
+
+static const struct mssr_mod_clk r8a779f0_mod_clks[] __initconst = {
+	DEF_MOD("hscif0",	514,	R8A779F0_CLK_SASYNCPERD1),
+	DEF_MOD("hscif1",	515,	R8A779F0_CLK_SASYNCPERD1),
+	DEF_MOD("hscif2",	516,	R8A779F0_CLK_SASYNCPERD1),
+	DEF_MOD("hscif3",	517,	R8A779F0_CLK_SASYNCPERD1),
+	DEF_MOD("i2c0",		518,	R8A779F0_CLK_S0D6_PER),
+	DEF_MOD("i2c1",		519,	R8A779F0_CLK_S0D6_PER),
+	DEF_MOD("i2c2",		520,	R8A779F0_CLK_S0D6_PER),
+	DEF_MOD("i2c3",		521,	R8A779F0_CLK_S0D6_PER),
+	DEF_MOD("i2c4",		522,	R8A779F0_CLK_S0D6_PER),
+	DEF_MOD("i2c5",		523,	R8A779F0_CLK_S0D6_PER),
+	DEF_MOD("msiof0",	618,	R8A779F0_CLK_MSO),
+	DEF_MOD("msiof1",	619,	R8A779F0_CLK_MSO),
+	DEF_MOD("msiof2",	620,	R8A779F0_CLK_MSO),
+	DEF_MOD("msiof3",	621,	R8A779F0_CLK_MSO),
+	DEF_MOD("pcie0",	624,	R8A779F0_CLK_S0D2),
+	DEF_MOD("pcie1",	625,	R8A779F0_CLK_S0D2),
+	DEF_MOD("scif0",	702,	R8A779F0_CLK_SASYNCPERD4),
+	DEF_MOD("scif1",	703,	R8A779F0_CLK_SASYNCPERD4),
+	DEF_MOD("scif3",	704,	R8A779F0_CLK_SASYNCPERD4),
+	DEF_MOD("scif4",	705,	R8A779F0_CLK_SASYNCPERD4),
+	DEF_MOD("sdhi0",        706,    R8A779F0_CLK_SD0),
+	DEF_MOD("sys-dmac0",	709,	R8A779F0_CLK_S0D3_PER),
+	DEF_MOD("sys-dmac1",	710,	R8A779F0_CLK_S0D3_PER),
+	DEF_MOD("tmu0",		713,	R8A779F0_CLK_SASYNCRT),
+	DEF_MOD("tmu1",		714,	R8A779F0_CLK_SASYNCPERD2),
+	DEF_MOD("tmu2",		715,	R8A779F0_CLK_SASYNCPERD2),
+	DEF_MOD("tmu3",		716,	R8A779F0_CLK_SASYNCPERD2),
+	DEF_MOD("tmu4",		717,	R8A779F0_CLK_SASYNCPERD2),
+	DEF_MOD("wdt",		907,	R8A779F0_CLK_R),
+	DEF_MOD("cmt0",		910,	R8A779F0_CLK_R),
+	DEF_MOD("cmt1",		911,	R8A779F0_CLK_R),
+	DEF_MOD("cmt2",		912,	R8A779F0_CLK_R),
+	DEF_MOD("cmt3",		913,	R8A779F0_CLK_R),
+	DEF_MOD("pfc0",		915,	R8A779F0_CLK_CL16M),
+	DEF_MOD("tsc",		919,	R8A779F0_CLK_CL16M),
+	DEF_MOD("ufs",		1514,	R8A779F0_CLK_S0D4_HSC),
+};
+
+static const unsigned int r8a779f0_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(907),	/* WDT */
+};
+
+/*
+ * CPG Clock Data
+ */
+/*
+ *   MD	 EXTAL		PLL1	PLL2	PLL3	PLL4	PLL5	PLL6	OSC
+ * 14 13 (MHz)
+ * ------------------------------------------------------------------------
+ * 0  0	 16    / 1	x200	x150	x200	n/a	x200	x134	/15
+ * 0  1	 20    / 1	x160	x120	x160	n/a	x160	x106	/19
+ * 1  0	 Prohibited setting
+ * 1  1	 40    / 2	x160	x120	x160	n/a	x160	x106	/38
+ */
+#define CPG_PLL_CONFIG_INDEX(md)	((((md) & BIT(14)) >> 13) | \
+					 (((md) & BIT(13)) >> 13))
+
+static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] = {
+	/* EXTAL div	PLL1 mult/div	PLL2 mult/div	PLL3 mult/div	PLL4 mult/div	PLL5 mult/div	PLL6 mult/div	OSC prediv */
+	{ 1,		200,	1,	150,	1,	200,	1,	0,	0,	200,	1,	134,	1,	15,	},
+	{ 1,		160,	1,	120,	1,	160,	1,	0,	0,	160,	1,	106,	1,	19,	},
+	{ 0,		0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	},
+	{ 2,		160,	1,	120,	1,	160,	1,	0,	0,	160,	1,	106,	1,	38,	},
+};
+
+static int __init r8a779f0_cpg_mssr_init(struct device *dev)
+{
+	const struct rcar_gen4_cpg_pll_config *cpg_pll_config;
+	u32 cpg_mode;
+	int error;
+
+	error = rcar_rst_read_mode_pins(&cpg_mode);
+	if (error)
+		return error;
+
+	cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+	if (!cpg_pll_config->extal_div) {
+		dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode);
+		return -EINVAL;
+	}
+
+	return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode);
+}
+
+const struct cpg_mssr_info r8a779f0_cpg_mssr_info __initconst = {
+	/* Core Clocks */
+	.core_clks = r8a779f0_core_clks,
+	.num_core_clks = ARRAY_SIZE(r8a779f0_core_clks),
+	.last_dt_core_clk = LAST_DT_CORE_CLK,
+	.num_total_core_clks = MOD_CLK_BASE,
+
+	/* Module Clocks */
+	.mod_clks = r8a779f0_mod_clks,
+	.num_mod_clks = ARRAY_SIZE(r8a779f0_mod_clks),
+	.num_hw_mod_clks = 28 * 32,
+
+	/* Critical Module Clocks */
+	.crit_mod_clks = r8a779f0_crit_mod_clks,
+	.num_crit_mod_clks = ARRAY_SIZE(r8a779f0_crit_mod_clks),
+
+	/* Callbacks */
+	.init = r8a779f0_cpg_mssr_init,
+	.cpg_clk_register = rcar_gen4_cpg_clk_register,
+
+	.reg_layout = CLK_REG_LAYOUT_RCAR_GEN4,
+};