clk: at91: sama7g5: add clock support for sama7g5

Add clock support for SAMA7G5.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1595403506-8209-19-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

2 files changed, 1060 insertions, 0 deletions

diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile
index 8b90357f2a93..79301e1c1c36 100644
--- a/drivers/clk/at91/Makefile
+++ b/drivers/clk/at91/Makefile
@@ -23,3 +23,4 @@ obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o
 obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o
 obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o
 obj-$(CONFIG_SOC_SAMA5D2) += sama5d2.o
+obj-$(CONFIG_SOC_SAMA7G5) += sama7g5.o
diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c
new file mode 100644
index 000000000000..0db2ab3eca14
--- /dev/null
+++ b/drivers/clk/at91/sama7g5.c
@@ -0,0 +1,1059 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * SAMA7G5 PMC code.
+ *
+ * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Claudiu Beznea <claudiu.beznea@microchip.com>
+ *
+ */
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/mfd/syscon.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+#define SAMA7G5_INIT_TABLE(_table, _count)		\
+	do {						\
+		u8 _i;					\
+		for (_i = 0; _i < (_count); _i++)	\
+			(_table)[_i] = _i;		\
+	} while (0)
+
+#define SAMA7G5_FILL_TABLE(_to, _from, _count)		\
+	do {						\
+		u8 _i;					\
+		for (_i = 0; _i < (_count); _i++) {	\
+			(_to)[_i] = (_from)[_i];	\
+		}					\
+	} while (0)
+
+static DEFINE_SPINLOCK(pmc_pll_lock);
+static DEFINE_SPINLOCK(pmc_mckX_lock);
+
+/**
+ * PLL clocks identifiers
+ * @PLL_ID_CPU:		CPU PLL identifier
+ * @PLL_ID_SYS:		System PLL identifier
+ * @PLL_ID_DDR:		DDR PLL identifier
+ * @PLL_ID_IMG:		Image subsystem PLL identifier
+ * @PLL_ID_BAUD:	Baud PLL identifier
+ * @PLL_ID_AUDIO:	Audio PLL identifier
+ * @PLL_ID_ETH:		Ethernet PLL identifier
+ */
+enum pll_ids {
+	PLL_ID_CPU,
+	PLL_ID_SYS,
+	PLL_ID_DDR,
+	PLL_ID_IMG,
+	PLL_ID_BAUD,
+	PLL_ID_AUDIO,
+	PLL_ID_ETH,
+	PLL_ID_MAX,
+};
+
+/**
+ * PLL type identifiers
+ * @PLL_TYPE_FRAC:	fractional PLL identifier
+ * @PLL_TYPE_DIV:	divider PLL identifier
+ */
+enum pll_type {
+	PLL_TYPE_FRAC,
+	PLL_TYPE_DIV,
+};
+
+/* Layout for fractional PLLs. */
+static const struct clk_pll_layout pll_layout_frac = {
+	.mul_mask	= GENMASK(31, 24),
+	.frac_mask	= GENMASK(21, 0),
+	.mul_shift	= 24,
+	.frac_shift	= 0,
+};
+
+/* Layout for DIVPMC dividers. */
+static const struct clk_pll_layout pll_layout_divpmc = {
+	.div_mask	= GENMASK(7, 0),
+	.endiv_mask	= BIT(29),
+	.div_shift	= 0,
+	.endiv_shift	= 29,
+};
+
+/* Layout for DIVIO dividers. */
+static const struct clk_pll_layout pll_layout_divio = {
+	.div_mask	= GENMASK(19, 12),
+	.endiv_mask	= BIT(30),
+	.div_shift	= 12,
+	.endiv_shift	= 30,
+};
+
+/**
+ * PLL clocks description
+ * @n:		clock name
+ * @p:		clock parent
+ * @l:		clock layout
+ * @t:		clock type
+ * @f:		true if clock is critical and cannot be disabled
+ * @eid:	export index in sama7g5->chws[] array
+ */
+static const struct {
+	const char *n;
+	const char *p;
+	const struct clk_pll_layout *l;
+	u8 t;
+	u8 c;
+	u8 eid;
+} sama7g5_plls[][PLL_ID_MAX] = {
+	[PLL_ID_CPU] = {
+		{ .n = "cpupll_fracck",
+		  .p = "mainck",
+		  .l = &pll_layout_frac,
+		  .t = PLL_TYPE_FRAC,
+		  .c = 1, },
+
+		{ .n = "cpupll_divpmcck",
+		  .p = "cpupll_fracck",
+		  .l = &pll_layout_divpmc,
+		  .t = PLL_TYPE_DIV,
+		  .c = 1, },
+	},
+
+	[PLL_ID_SYS] = {
+		{ .n = "syspll_fracck",
+		  .p = "mainck",
+		  .l = &pll_layout_frac,
+		  .t = PLL_TYPE_FRAC,
+		  .c = 1, },
+
+		{ .n = "syspll_divpmcck",
+		  .p = "syspll_fracck",
+		  .l = &pll_layout_divpmc,
+		  .t = PLL_TYPE_DIV,
+		  .c = 1, },
+	},
+
+	[PLL_ID_DDR] = {
+		{ .n = "ddrpll_fracck",
+		  .p = "mainck",
+		  .l = &pll_layout_frac,
+		  .t = PLL_TYPE_FRAC,
+		  .c = 1, },
+
+		{ .n = "ddrpll_divpmcck",
+		  .p = "ddrpll_fracck",
+		  .l = &pll_layout_divpmc,
+		  .t = PLL_TYPE_DIV,
+		  .c = 1, },
+	},
+
+	[PLL_ID_IMG] = {
+		{ .n = "imgpll_fracck",
+		  .p = "mainck",
+		  .l = &pll_layout_frac,
+		  .t = PLL_TYPE_FRAC, },
+
+		{ .n = "imgpll_divpmcck",
+		  .p = "imgpll_fracck",
+		  .l = &pll_layout_divpmc,
+		  .t = PLL_TYPE_DIV, },
+	},
+
+	[PLL_ID_BAUD] = {
+		{ .n = "baudpll_fracck",
+		  .p = "mainck",
+		  .l = &pll_layout_frac,
+		  .t = PLL_TYPE_FRAC, },
+
+		{ .n = "baudpll_divpmcck",
+		  .p = "baudpll_fracck",
+		  .l = &pll_layout_divpmc,
+		  .t = PLL_TYPE_DIV, },
+	},
+
+	[PLL_ID_AUDIO] = {
+		{ .n = "audiopll_fracck",
+		  .p = "main_xtal",
+		  .l = &pll_layout_frac,
+		  .t = PLL_TYPE_FRAC, },
+
+		{ .n = "audiopll_divpmcck",
+		  .p = "audiopll_fracck",
+		  .l = &pll_layout_divpmc,
+		  .t = PLL_TYPE_DIV,
+		  .eid = PMC_I2S0_MUX, },
+
+		{ .n = "audiopll_diviock",
+		  .p = "audiopll_fracck",
+		  .l = &pll_layout_divio,
+		  .t = PLL_TYPE_DIV,
+		  .eid = PMC_I2S1_MUX, },
+	},
+
+	[PLL_ID_ETH] = {
+		{ .n = "ethpll_fracck",
+		  .p = "main_xtal",
+		  .l = &pll_layout_frac,
+		  .t = PLL_TYPE_FRAC, },
+
+		{ .n = "ethpll_divpmcck",
+		  .p = "ethpll_fracck",
+		  .l = &pll_layout_divpmc,
+		  .t = PLL_TYPE_DIV, },
+	},
+};
+
+/**
+ * Master clock (MCK[1..4]) description
+ * @n:			clock name
+ * @ep:			extra parents names array
+ * @ep_chg_chg_id:	index in parents array that specifies the changeable
+ *			parent
+ * @ep_count:		extra parents count
+ * @ep_mux_table:	mux table for extra parents
+ * @id:			clock id
+ * @c:			true if clock is critical and cannot be disabled
+ */
+static const struct {
+	const char *n;
+	const char *ep[4];
+	int ep_chg_id;
+	u8 ep_count;
+	u8 ep_mux_table[4];
+	u8 id;
+	u8 c;
+} sama7g5_mckx[] = {
+	{ .n = "mck1",
+	  .id = 1,
+	  .ep = { "syspll_divpmcck", },
+	  .ep_mux_table = { 5, },
+	  .ep_count = 1,
+	  .ep_chg_id = INT_MIN,
+	  .c = 1, },
+
+	{ .n = "mck2",
+	  .id = 2,
+	  .ep = { "ddrpll_divpmcck", },
+	  .ep_mux_table = { 6, },
+	  .ep_count = 1,
+	  .ep_chg_id = INT_MIN,
+	  .c = 1, },
+
+	{ .n = "mck3",
+	  .id = 3,
+	  .ep = { "syspll_divpmcck", "ddrpll_divpmcck", "imgpll_divpmcck", },
+	  .ep_mux_table = { 5, 6, 7, },
+	  .ep_count = 3,
+	  .ep_chg_id = 6, },
+
+	{ .n = "mck4",
+	  .id = 4,
+	  .ep = { "syspll_divpmcck", },
+	  .ep_mux_table = { 5, },
+	  .ep_count = 1,
+	  .ep_chg_id = INT_MIN,
+	  .c = 1, },
+};
+
+/**
+ * System clock description
+ * @n:	clock name
+ * @p:	clock parent name
+ * @id: clock id
+ */
+static const struct {
+	const char *n;
+	const char *p;
+	u8 id;
+} sama7g5_systemck[] = {
+	{ .n = "pck0",		.p = "prog0", .id = 8, },
+	{ .n = "pck1",		.p = "prog1", .id = 9, },
+	{ .n = "pck2",		.p = "prog2", .id = 10, },
+	{ .n = "pck3",		.p = "prog3", .id = 11, },
+	{ .n = "pck4",		.p = "prog4", .id = 12, },
+	{ .n = "pck5",		.p = "prog5", .id = 13, },
+	{ .n = "pck6",		.p = "prog6", .id = 14, },
+	{ .n = "pck7",		.p = "prog7", .id = 15, },
+};
+
+/* Mux table for programmable clocks. */
+static u32 sama7g5_prog_mux_table[] = { 0, 1, 2, 3, 5, 6, 7, 8, 9, 10, };
+
+/**
+ * Peripheral clock description
+ * @n:		clock name
+ * @p:		clock parent name
+ * @r:		clock range values
+ * @id:		clock id
+ * @chgp:	index in parent array of the changeable parent
+ */
+static const struct {
+	const char *n;
+	const char *p;
+	struct clk_range r;
+	u8 chgp;
+	u8 id;
+} sama7g5_periphck[] = {
+	{ .n = "pioA_clk",	.p = "mck0", .id = 11, },
+	{ .n = "sfr_clk",	.p = "mck1", .id = 19, },
+	{ .n = "hsmc_clk",	.p = "mck1", .id = 21, },
+	{ .n = "xdmac0_clk",	.p = "mck1", .id = 22, },
+	{ .n = "xdmac1_clk",	.p = "mck1", .id = 23, },
+	{ .n = "xdmac2_clk",	.p = "mck1", .id = 24, },
+	{ .n = "acc_clk",	.p = "mck1", .id = 25, },
+	{ .n = "aes_clk",	.p = "mck1", .id = 27, },
+	{ .n = "tzaesbasc_clk",	.p = "mck1", .id = 28, },
+	{ .n = "asrc_clk",	.p = "mck1", .id = 30, .r = { .max = 200000000, }, },
+	{ .n = "cpkcc_clk",	.p = "mck0", .id = 32, },
+	{ .n = "csi_clk",	.p = "mck3", .id = 33, .r = { .max = 266000000, }, .chgp = 1, },
+	{ .n = "csi2dc_clk",	.p = "mck3", .id = 34, .r = { .max = 266000000, }, .chgp = 1, },
+	{ .n = "eic_clk",	.p = "mck1", .id = 37, },
+	{ .n = "flex0_clk",	.p = "mck1", .id = 38, },
+	{ .n = "flex1_clk",	.p = "mck1", .id = 39, },
+	{ .n = "flex2_clk",	.p = "mck1", .id = 40, },
+	{ .n = "flex3_clk",	.p = "mck1", .id = 41, },
+	{ .n = "flex4_clk",	.p = "mck1", .id = 42, },
+	{ .n = "flex5_clk",	.p = "mck1", .id = 43, },
+	{ .n = "flex6_clk",	.p = "mck1", .id = 44, },
+	{ .n = "flex7_clk",	.p = "mck1", .id = 45, },
+	{ .n = "flex8_clk",	.p = "mck1", .id = 46, },
+	{ .n = "flex9_clk",	.p = "mck1", .id = 47, },
+	{ .n = "flex10_clk",	.p = "mck1", .id = 48, },
+	{ .n = "flex11_clk",	.p = "mck1", .id = 49, },
+	{ .n = "gmac0_clk",	.p = "mck1", .id = 51, },
+	{ .n = "gmac1_clk",	.p = "mck1", .id = 52, },
+	{ .n = "icm_clk",	.p = "mck1", .id = 55, },
+	{ .n = "isc_clk",	.p = "mck3", .id = 56, .r = { .max = 266000000, }, .chgp = 1, },
+	{ .n = "i2smcc0_clk",	.p = "mck1", .id = 57, .r = { .max = 200000000, }, },
+	{ .n = "i2smcc1_clk",	.p = "mck1", .id = 58, .r = { .max = 200000000, }, },
+	{ .n = "matrix_clk",	.p = "mck1", .id = 60, },
+	{ .n = "mcan0_clk",	.p = "mck1", .id = 61, .r = { .max = 200000000, }, },
+	{ .n = "mcan1_clk",	.p = "mck1", .id = 62, .r = { .max = 200000000, }, },
+	{ .n = "mcan2_clk",	.p = "mck1", .id = 63, .r = { .max = 200000000, }, },
+	{ .n = "mcan3_clk",	.p = "mck1", .id = 64, .r = { .max = 200000000, }, },
+	{ .n = "mcan4_clk",	.p = "mck1", .id = 65, .r = { .max = 200000000, }, },
+	{ .n = "mcan5_clk",	.p = "mck1", .id = 66, .r = { .max = 200000000, }, },
+	{ .n = "pdmc0_clk",	.p = "mck1", .id = 68, .r = { .max = 200000000, }, },
+	{ .n = "pdmc1_clk",	.p = "mck1", .id = 69, .r = { .max = 200000000, }, },
+	{ .n = "pit64b0_clk",	.p = "mck1", .id = 70, },
+	{ .n = "pit64b1_clk",	.p = "mck1", .id = 71, },
+	{ .n = "pit64b2_clk",	.p = "mck1", .id = 72, },
+	{ .n = "pit64b3_clk",	.p = "mck1", .id = 73, },
+	{ .n = "pit64b4_clk",	.p = "mck1", .id = 74, },
+	{ .n = "pit64b5_clk",	.p = "mck1", .id = 75, },
+	{ .n = "pwm_clk",	.p = "mck1", .id = 77, },
+	{ .n = "qspi0_clk",	.p = "mck1", .id = 78, },
+	{ .n = "qspi1_clk",	.p = "mck1", .id = 79, },
+	{ .n = "sdmmc0_clk",	.p = "mck1", .id = 80, },
+	{ .n = "sdmmc1_clk",	.p = "mck1", .id = 81, },
+	{ .n = "sdmmc2_clk",	.p = "mck1", .id = 82, },
+	{ .n = "sha_clk",	.p = "mck1", .id = 83, },
+	{ .n = "spdifrx_clk",	.p = "mck1", .id = 84, .r = { .max = 200000000, }, },
+	{ .n = "spdiftx_clk",	.p = "mck1", .id = 85, .r = { .max = 200000000, }, },
+	{ .n = "ssc0_clk",	.p = "mck1", .id = 86, .r = { .max = 200000000, }, },
+	{ .n = "ssc1_clk",	.p = "mck1", .id = 87, .r = { .max = 200000000, }, },
+	{ .n = "tcb0_ch0_clk",	.p = "mck1", .id = 88, .r = { .max = 200000000, }, },
+	{ .n = "tcb0_ch1_clk",	.p = "mck1", .id = 89, .r = { .max = 200000000, }, },
+	{ .n = "tcb0_ch2_clk",	.p = "mck1", .id = 90, .r = { .max = 200000000, }, },
+	{ .n = "tcb1_ch0_clk",	.p = "mck1", .id = 91, .r = { .max = 200000000, }, },
+	{ .n = "tcb1_ch1_clk",	.p = "mck1", .id = 92, .r = { .max = 200000000, }, },
+	{ .n = "tcb1_ch2_clk",	.p = "mck1", .id = 93, .r = { .max = 200000000, }, },
+	{ .n = "tcpca_clk",	.p = "mck1", .id = 94, },
+	{ .n = "tcpcb_clk",	.p = "mck1", .id = 95, },
+	{ .n = "tdes_clk",	.p = "mck1", .id = 96, },
+	{ .n = "trng_clk",	.p = "mck1", .id = 97, },
+	{ .n = "udphsa_clk",	.p = "mck1", .id = 104, },
+	{ .n = "udphsb_clk",	.p = "mck1", .id = 105, },
+	{ .n = "uhphs_clk",	.p = "mck1", .id = 106, },
+};
+
+/**
+ * Generic clock description
+ * @n:			clock name
+ * @pp:			PLL parents
+ * @pp_mux_table:	PLL parents mux table
+ * @r:			clock output range
+ * @pp_chg_id:		id in parrent array of changeable PLL parent
+ * @pp_count:		PLL parents count
+ * @id:			clock id
+ */
+static const struct {
+	const char *n;
+	const char *pp[8];
+	const char pp_mux_table[8];
+	struct clk_range r;
+	int pp_chg_id;
+	u8 pp_count;
+	u8 id;
+} sama7g5_gck[] = {
+	{ .n  = "adc_gclk",
+	  .id = 26,
+	  .r = { .max = 100000000, },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "audiopll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 9, },
+	  .pp_count = 3,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "asrc_gclk",
+	  .id = 30,
+	  .r = { .max = 200000000 },
+	  .pp = { "audiopll_divpmcck", },
+	  .pp_mux_table = { 9, },
+	  .pp_count = 1,
+	  .pp_chg_id = 4, },
+
+	{ .n  = "csi_gclk",
+	  .id = 33,
+	  .r = { .max = 27000000  },
+	  .pp = { "ddrpll_divpmcck", "imgpll_divpmcck", },
+	  .pp_mux_table = { 6, 7, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex0_gclk",
+	  .id = 38,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex1_gclk",
+	  .id = 39,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex2_gclk",
+	  .id = 40,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex3_gclk",
+	  .id = 41,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex4_gclk",
+	  .id = 42,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex5_gclk",
+	  .id = 43,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex6_gclk",
+	  .id = 44,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex7_gclk",
+	  .id = 45,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex8_gclk",
+	  .id = 46,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex9_gclk",
+	  .id = 47,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex10_gclk",
+	  .id = 48,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "flex11_gclk",
+	  .id = 49,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "gmac0_gclk",
+	  .id = 51,
+	  .r = { .max = 125000000 },
+	  .pp = { "ethpll_divpmcck", },
+	  .pp_mux_table = { 10, },
+	  .pp_count = 1,
+	  .pp_chg_id = 4, },
+
+	{ .n  = "gmac1_gclk",
+	  .id = 52,
+	  .r = { .max = 50000000  },
+	  .pp = { "ethpll_divpmcck", },
+	  .pp_mux_table = { 10, },
+	  .pp_count = 1,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "gmac0_tsu_gclk",
+	  .id = 53,
+	  .r = { .max = 300000000 },
+	  .pp = { "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 9, 10, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "gmac1_tsu_gclk",
+	  .id = 54,
+	  .r = { .max = 300000000 },
+	  .pp = { "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 9, 10, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "i2smcc0_gclk",
+	  .id = 57,
+	  .r = { .max = 100000000 },
+	  .pp = { "syspll_divpmcck", "audiopll_divpmcck", },
+	  .pp_mux_table = { 5, 9, },
+	  .pp_count = 2,
+	  .pp_chg_id = 5, },
+
+	{ .n  = "i2smcc1_gclk",
+	  .id = 58,
+	  .r = { .max = 100000000 },
+	  .pp = { "syspll_divpmcck", "audiopll_divpmcck", },
+	  .pp_mux_table = { 5, 9, },
+	  .pp_count = 2,
+	  .pp_chg_id = 5, },
+
+	{ .n  = "mcan0_gclk",
+	  .id = 61,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "mcan1_gclk",
+	  .id = 62,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "mcan2_gclk",
+	  .id = 63,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "mcan3_gclk",
+	  .id = 64,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "mcan4_gclk",
+	  .id = 65,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "mcan5_gclk",
+	  .id = 66,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "pdmc0_gclk",
+	  .id = 68,
+	  .r = { .max = 50000000  },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "pdmc1_gclk",
+	  .id = 69,
+	  .r = { .max = 50000000, },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "pit64b0_gclk",
+	  .id = 70,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck",
+		  "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 8, 9, 10, },
+	  .pp_count = 5,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "pit64b1_gclk",
+	  .id = 71,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck",
+		  "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 8, 9, 10, },
+	  .pp_count = 5,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "pit64b2_gclk",
+	  .id = 72,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck",
+		  "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 8, 9, 10, },
+	  .pp_count = 5,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "pit64b3_gclk",
+	  .id = 73,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck",
+		  "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 8, 9, 10, },
+	  .pp_count = 5,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "pit64b4_gclk",
+	  .id = 74,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck",
+		  "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 8, 9, 10, },
+	  .pp_count = 5,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "pit64b5_gclk",
+	  .id = 75,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck",
+		  "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 8, 9, 10, },
+	  .pp_count = 5,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "qspi0_gclk",
+	  .id = 78,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "qspi1_gclk",
+	  .id = 79,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "sdmmc0_gclk",
+	  .id = 80,
+	  .r = { .max = 208000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = 5, },
+
+	{ .n  = "sdmmc1_gclk",
+	  .id = 81,
+	  .r = { .max = 208000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = 5, },
+
+	{ .n  = "sdmmc2_gclk",
+	  .id = 82,
+	  .r = { .max = 208000000 },
+	  .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
+	  .pp_mux_table = { 5, 8, },
+	  .pp_count = 2,
+	  .pp_chg_id = 5, },
+
+	{ .n  = "spdifrx_gclk",
+	  .id = 84,
+	  .r = { .max = 150000000 },
+	  .pp = { "syspll_divpmcck", "audiopll_divpmcck", },
+	  .pp_mux_table = { 5, 9, },
+	  .pp_count = 2,
+	  .pp_chg_id = 5, },
+
+	{ .n = "spdiftx_gclk",
+	  .id = 85,
+	  .r = { .max = 25000000  },
+	  .pp = { "syspll_divpmcck", "audiopll_divpmcck", },
+	  .pp_mux_table = { 5, 9, },
+	  .pp_count = 2,
+	  .pp_chg_id = 5, },
+
+	{ .n  = "tcb0_ch0_gclk",
+	  .id = 88,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck",
+		  "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 8, 9, 10, },
+	  .pp_count = 5,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "tcb1_ch0_gclk",
+	  .id = 91,
+	  .r = { .max = 200000000 },
+	  .pp = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck",
+		  "audiopll_divpmcck", "ethpll_divpmcck", },
+	  .pp_mux_table = { 5, 7, 8, 9, 10, },
+	  .pp_count = 5,
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "tcpca_gclk",
+	  .id = 94,
+	  .r = { .max = 32768, },
+	  .pp_chg_id = INT_MIN, },
+
+	{ .n  = "tcpcb_gclk",
+	  .id = 95,
+	  .r = { .max = 32768, },
+	  .pp_chg_id = INT_MIN, },
+};
+
+/* PLL output range. */
+static const struct clk_range pll_outputs[] = {
+	{ .min = 2343750, .max = 1200000000 },
+};
+
+/* PLL characteristics. */
+static const struct clk_pll_characteristics pll_characteristics = {
+	.input = { .min = 12000000, .max = 50000000 },
+	.num_output = ARRAY_SIZE(pll_outputs),
+	.output = pll_outputs,
+};
+
+/* MCK0 characteristics. */
+static const struct clk_master_characteristics mck0_characteristics = {
+	.output = { .min = 140000000, .max = 200000000 },
+	.divisors = { 1, 2, 4, 3 },
+	.have_div3_pres = 1,
+};
+
+/* MCK0 layout. */
+static const struct clk_master_layout mck0_layout = {
+	.mask = 0x373,
+	.pres_shift = 4,
+	.offset = 0x28,
+};
+
+/* Programmable clock layout. */
+static const struct clk_programmable_layout programmable_layout = {
+	.pres_mask = 0xff,
+	.pres_shift = 8,
+	.css_mask = 0x1f,
+	.have_slck_mck = 0,
+	.is_pres_direct = 1,
+};
+
+/* Peripheral clock layout. */
+static const struct clk_pcr_layout sama7g5_pcr_layout = {
+	.offset = 0x88,
+	.cmd = BIT(31),
+	.gckcss_mask = GENMASK(12, 8),
+	.pid_mask = GENMASK(6, 0),
+};
+
+static void __init sama7g5_pmc_setup(struct device_node *np)
+{
+	const char *td_slck_name, *md_slck_name, *mainxtal_name;
+	struct pmc_data *sama7g5_pmc;
+	const char *parent_names[10];
+	void **alloc_mem = NULL;
+	int alloc_mem_size = 0;
+	struct regmap *regmap;
+	struct clk_hw *hw;
+	bool bypass;
+	int i, j;
+
+	i = of_property_match_string(np, "clock-names", "td_slck");
+	if (i < 0)
+		return;
+
+	td_slck_name = of_clk_get_parent_name(np, i);
+
+	i = of_property_match_string(np, "clock-names", "md_slck");
+	if (i < 0)
+		return;
+
+	md_slck_name = of_clk_get_parent_name(np, i);
+
+	i = of_property_match_string(np, "clock-names", "main_xtal");
+	if (i < 0)
+		return;
+
+	mainxtal_name = of_clk_get_parent_name(np, i);
+
+	regmap = device_node_to_regmap(np);
+	if (IS_ERR(regmap))
+		return;
+
+	sama7g5_pmc = pmc_data_allocate(PMC_I2S1_MUX + 1,
+					nck(sama7g5_systemck),
+					nck(sama7g5_periphck),
+					nck(sama7g5_gck));
+	if (!sama7g5_pmc)
+		return;
+
+	alloc_mem = kmalloc(sizeof(void *) *
+			    (ARRAY_SIZE(sama7g5_mckx) + ARRAY_SIZE(sama7g5_gck)),
+			    GFP_KERNEL);
+	if (!alloc_mem)
+		goto err_free;
+
+	hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000,
+					   50000000);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+	hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+					bypass);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = "main_rc_osc";
+	parent_names[1] = "main_osc";
+	hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama7g5_pmc->chws[PMC_MAIN] = hw;
+
+	for (i = 0; i < PLL_ID_MAX; i++) {
+		for (j = 0; j < 3; j++) {
+			struct clk_hw *parent_hw;
+
+			if (!sama7g5_plls[i][j].n)
+				continue;
+
+			switch (sama7g5_plls[i][j].t) {
+			case PLL_TYPE_FRAC:
+				if (!strcmp(sama7g5_plls[i][j].p, "mainck"))
+					parent_hw = sama7g5_pmc->chws[PMC_MAIN];
+				else
+					parent_hw = __clk_get_hw(of_clk_get_by_name(np,
+						sama7g5_plls[i][j].p));
+
+				hw = sam9x60_clk_register_frac_pll(regmap,
+					&pmc_pll_lock, sama7g5_plls[i][j].n,
+					sama7g5_plls[i][j].p, parent_hw, i,
+					&pll_characteristics,
+					sama7g5_plls[i][j].l,
+					sama7g5_plls[i][j].c);
+				break;
+
+			case PLL_TYPE_DIV:
+				hw = sam9x60_clk_register_div_pll(regmap,
+					&pmc_pll_lock, sama7g5_plls[i][j].n,
+					sama7g5_plls[i][j].p, i,
+					&pll_characteristics,
+					sama7g5_plls[i][j].l,
+					sama7g5_plls[i][j].c);
+				break;
+
+			default:
+				continue;
+			}
+
+			if (IS_ERR(hw))
+				goto err_free;
+
+			if (sama7g5_plls[i][j].eid)
+				sama7g5_pmc->chws[sama7g5_plls[i][j].eid] = hw;
+		}
+	}
+
+	parent_names[0] = md_slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "cpupll_divpmcck";
+	parent_names[3] = "syspll_divpmcck";
+	hw = at91_clk_register_master(regmap, "mck0", 4, parent_names,
+				      &mck0_layout, &mck0_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama7g5_pmc->chws[PMC_MCK] = hw;
+
+	parent_names[0] = md_slck_name;
+	parent_names[1] = td_slck_name;
+	parent_names[2] = "mainck";
+	parent_names[3] = "mck0";
+	for (i = 0; i < ARRAY_SIZE(sama7g5_mckx); i++) {
+		u8 num_parents = 4 + sama7g5_mckx[i].ep_count;
+		u32 *mux_table;
+
+		mux_table = kmalloc_array(num_parents, sizeof(*mux_table),
+					  GFP_KERNEL);
+		if (!mux_table)
+			goto err_free;
+
+		SAMA7G5_INIT_TABLE(mux_table, 4);
+		SAMA7G5_FILL_TABLE(&mux_table[4], sama7g5_mckx[i].ep_mux_table,
+				   sama7g5_mckx[i].ep_count);
+		SAMA7G5_FILL_TABLE(&parent_names[4], sama7g5_mckx[i].ep,
+				   sama7g5_mckx[i].ep_count);
+
+		hw = at91_clk_sama7g5_register_master(regmap, sama7g5_mckx[i].n,
+				   num_parents, parent_names, mux_table,
+				   &pmc_mckX_lock, sama7g5_mckx[i].id,
+				   sama7g5_mckx[i].c,
+				   sama7g5_mckx[i].ep_chg_id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		alloc_mem[alloc_mem_size++] = mux_table;
+	}
+
+	hw = at91_clk_sama7g5_register_utmi(regmap, "utmick", "main_xtal");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama7g5_pmc->chws[PMC_UTMI] = hw;
+
+	parent_names[0] = md_slck_name;
+	parent_names[1] = td_slck_name;
+	parent_names[2] = "mainck";
+	parent_names[3] = "mck0";
+	parent_names[4] = "syspll_divpmcck";
+	parent_names[5] = "ddrpll_divpmcck";
+	parent_names[6] = "imgpll_divpmcck";
+	parent_names[7] = "baudpll_divpmcck";
+	parent_names[8] = "audiopll_divpmcck";
+	parent_names[9] = "ethpll_divpmcck";
+	for (i = 0; i < 8; i++) {
+		char name[6];
+
+		snprintf(name, sizeof(name), "prog%d", i);
+
+		hw = at91_clk_register_programmable(regmap, name, parent_names,
+						    10, i,
+						    &programmable_layout,
+						    sama7g5_prog_mux_table);
+		if (IS_ERR(hw))
+			goto err_free;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sama7g5_systemck); i++) {
+		hw = at91_clk_register_system(regmap, sama7g5_systemck[i].n,
+					      sama7g5_systemck[i].p,
+					      sama7g5_systemck[i].id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama7g5_pmc->shws[sama7g5_systemck[i].id] = hw;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sama7g5_periphck); i++) {
+		hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock,
+						&sama7g5_pcr_layout,
+						sama7g5_periphck[i].n,
+						sama7g5_periphck[i].p,
+						sama7g5_periphck[i].id,
+						&sama7g5_periphck[i].r,
+						sama7g5_periphck[i].chgp ? 0 :
+						INT_MIN);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama7g5_pmc->phws[sama7g5_periphck[i].id] = hw;
+	}
+
+	parent_names[0] = md_slck_name;
+	parent_names[1] = td_slck_name;
+	parent_names[2] = "mainck";
+	parent_names[3] = "mck0";
+	for (i = 0; i < ARRAY_SIZE(sama7g5_gck); i++) {
+		u8 num_parents = 4 + sama7g5_gck[i].pp_count;
+		u32 *mux_table;
+
+		mux_table = kmalloc_array(num_parents, sizeof(*mux_table),
+					  GFP_KERNEL);
+		if (!mux_table)
+			goto err_free;
+
+		SAMA7G5_INIT_TABLE(mux_table, 4);
+		SAMA7G5_FILL_TABLE(&mux_table[4], sama7g5_gck[i].pp_mux_table,
+				   sama7g5_gck[i].pp_count);
+		SAMA7G5_FILL_TABLE(&parent_names[4], sama7g5_gck[i].pp,
+				   sama7g5_gck[i].pp_count);
+
+		hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
+						 &sama7g5_pcr_layout,
+						 sama7g5_gck[i].n,
+						 parent_names, mux_table,
+						 num_parents,
+						 sama7g5_gck[i].id,
+						 &sama7g5_gck[i].r,
+						 sama7g5_gck[i].pp_chg_id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama7g5_pmc->ghws[sama7g5_gck[i].id] = hw;
+		alloc_mem[alloc_mem_size++] = mux_table;
+	}
+
+	of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sama7g5_pmc);
+
+	return;
+
+err_free:
+	if (alloc_mem) {
+		for (i = 0; i < alloc_mem_size; i++)
+			kfree(alloc_mem[i]);
+		kfree(alloc_mem);
+	}
+
+	pmc_data_free(sama7g5_pmc);
+}
+
+/* Some clks are used for a clocksource */
+CLK_OF_DECLARE(sama7g5_pmc, "microchip,sama7g5-pmc", sama7g5_pmc_setup);