clk: at91: sam9x60: add support compatible with CCF

Add SAM9X60 clock support compatible with CCF.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>

2 files changed, 650 insertions, 0 deletions

diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile
index 2453c38..580b406 100644
--- a/drivers/clk/at91/Makefile
+++ b/drivers/clk/at91/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_AT91_GENERIC_CLK)	+= clk-generic.o
 obj-$(CONFIG_AT91_UTMI)		+= clk-utmi.o
 obj-$(CONFIG_AT91_SAM9X60_PLL)	+= clk-sam9x60-pll.o
 obj-$(CONFIG_SAMA7G5)		+= sama7g5.o
+obj-$(CONFIG_SAM9X60)		+= sam9x60.o
 else
 obj-y += compat.o
 endif
diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
new file mode 100644
index 0000000..c3235f5
--- /dev/null
+++ b/drivers/clk/at91/sam9x60.c
@@ -0,0 +1,649 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Claudiu Beznea <claudiu.beznea@microchip.com>
+ *
+ * Based on sam9x60.c on Linux.
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <dt-bindings/clk/at91.h>
+#include <linux/clk-provider.h>
+
+#include "pmc.h"
+
+/**
+ * Clock identifiers to be used in conjunction with macros like
+ * AT91_TO_CLK_ID()
+ *
+ * @ID_MD_SLCK:			TD slow clock identifier
+ * @ID_TD_SLCK:			MD slow clock identifier
+ * @ID_MAIN_XTAL:		Main Xtal clock identifier
+ * @ID_MAIN_RC:			Main RC clock identifier
+ * @ID_MAIN_RC_OSC:		Main RC Oscillator clock identifier
+ * @ID_MAIN_OSC:		Main Oscillator clock identifier
+ * @ID_MAINCK:			MAINCK clock identifier
+ * @ID_PLL_U_FRAC:		UPLL fractional clock identifier
+ * @ID_PLL_U_DIV:		UPLL divider clock identifier
+ * @ID_PLL_A_FRAC:		APLL fractional clock identifier
+ * @ID_PLL_A_DIV:		APLL divider clock identifier
+
+ * @ID_MCK:			MCK clock identifier
+
+ * @ID_UTMI:			UTMI clock identifier
+
+ * @ID_PROG0:			Programmable 0 clock identifier
+ * @ID_PROG1:			Programmable 1 clock identifier
+
+ * @ID_PCK0:			PCK0 system clock identifier
+ * @ID_PCK1:			PCK1 system clock identifier
+ * @ID_DDR:			DDR system clock identifier
+ * @ID_QSPI:			QSPI system clock identifier
+ *
+ * Note: if changing the values of this enums please sync them with
+ *       device tree
+ */
+enum pmc_clk_ids {
+	ID_MD_SLCK		= 0,
+	ID_TD_SLCK		= 1,
+	ID_MAIN_XTAL		= 2,
+	ID_MAIN_RC		= 3,
+	ID_MAIN_RC_OSC		= 4,
+	ID_MAIN_OSC		= 5,
+	ID_MAINCK		= 6,
+
+	ID_PLL_U_FRAC		= 7,
+	ID_PLL_U_DIV		= 8,
+	ID_PLL_A_FRAC		= 9,
+	ID_PLL_A_DIV		= 10,
+
+	ID_MCK			= 11,
+
+	ID_UTMI			= 12,
+
+	ID_PROG0		= 13,
+	ID_PROG1		= 14,
+
+	ID_PCK0			= 15,
+	ID_PCK1			= 16,
+
+	ID_DDR			= 17,
+	ID_QSPI			= 18,
+
+	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,
+};
+
+/* Clock names used as parents for multiple clocks. */
+static const char *clk_names[] = {
+	[ID_MAIN_RC_OSC]	= "main_rc_osc",
+	[ID_MAIN_OSC]		= "main_osc",
+	[ID_MAINCK]		= "mainck",
+	[ID_PLL_U_DIV]		= "upll_divpmcck",
+	[ID_PLL_A_DIV]		= "plla_divpmcck",
+	[ID_MCK]		= "mck",
+};
+
+/* Fractional PLL output range. */
+static const struct clk_range plla_outputs[] = {
+	{ .min = 2343750, .max = 1200000000 },
+};
+
+static const struct clk_range upll_outputs[] = {
+	{ .min = 300000000, .max = 500000000 },
+};
+
+/* PLL characteristics. */
+static const struct clk_pll_characteristics apll_characteristics = {
+	.input = { .min = 12000000, .max = 48000000 },
+	.num_output = ARRAY_SIZE(plla_outputs),
+	.output = plla_outputs,
+};
+
+static const struct clk_pll_characteristics upll_characteristics = {
+	.input = { .min = 12000000, .max = 48000000 },
+	.num_output = ARRAY_SIZE(upll_outputs),
+	.output = upll_outputs,
+	.upll = true,
+};
+
+/* 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 DIV PLLs. */
+static const struct clk_pll_layout pll_layout_div = {
+	.div_mask = GENMASK(7, 0),
+	.endiv_mask = BIT(29),
+	.div_shift = 0,
+	.endiv_shift = 29,
+};
+
+/* MCK characteristics. */
+static const struct clk_master_characteristics mck_characteristics = {
+	.output = { .min = 140000000, .max = 200000000 },
+	.divisors = { 1, 2, 4, 3 },
+	.have_div3_pres = 1,
+};
+
+/* MCK layout. */
+static const struct clk_master_layout mck_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 pcr_layout = {
+	.offset = 0x88,
+	.cmd = BIT(31),
+	.gckcss_mask = GENMASK(12, 8),
+	.pid_mask = GENMASK(6, 0),
+};
+
+/**
+ * PLL clocks description
+ * @n:		clock name
+ * @p:		clock parent
+ * @l:		clock layout
+ * @t:		clock type
+ * @f:		true if clock is fixed and not changeable by driver
+ * @id:		clock id corresponding to PLL driver
+ * @cid:	clock id corresponding to clock subsystem
+ */
+static const struct {
+	const char *n;
+	const char *p;
+	const struct clk_pll_layout *l;
+	const struct clk_pll_characteristics *c;
+	u8 t;
+	u8 f;
+	u8 id;
+	u8 cid;
+} sam9x60_plls[] = {
+	{
+		.n = "plla_fracck",
+		.p = "mainck",
+		.l = &pll_layout_frac,
+		.c = &apll_characteristics,
+		.t = PLL_TYPE_FRAC,
+		.f = 1,
+		.id = 0,
+		.cid = ID_PLL_A_FRAC,
+	},
+
+	{
+		.n = "plla_divpmcck",
+		.p = "plla_fracck",
+		.l = &pll_layout_div,
+		.c = &apll_characteristics,
+		.t = PLL_TYPE_DIV,
+		.f = 1,
+		.id = 0,
+		.cid = ID_PLL_A_DIV,
+	},
+
+	{
+		.n = "upll_fracck",
+		.p = "main_osc",
+		.l = &pll_layout_frac,
+		.c = &upll_characteristics,
+		.t = PLL_TYPE_FRAC,
+		.f = 1,
+		.id = 1,
+		.cid = ID_PLL_U_FRAC,
+	},
+
+	{
+		.n = "upll_divpmcck",
+		.p = "upll_fracck",
+		.l = &pll_layout_div,
+		.c = &upll_characteristics,
+		.t = PLL_TYPE_DIV,
+		.f = 1,
+		.id = 1,
+		.cid = ID_PLL_U_DIV,
+	},
+};
+
+/**
+ * Programmable clock description
+ * @n:			clock name
+ * @cid:		clock id corresponding to clock subsystem
+ */
+static const struct {
+	const char *n;
+	u8 cid;
+} sam9x60_prog[] = {
+	{ .n = "prog0", .cid = ID_PROG0, },
+	{ .n = "prog1", .cid = ID_PROG1, },
+};
+
+/* Mux table for programmable clocks. */
+static u32 sam9x60_prog_mux_table[] = { 0, 1, 2, 3, 4, 5, };
+
+/**
+ * System clock description
+ * @n:			clock name
+ * @p:			parent clock name
+ * @id:			clock id corresponding to system clock driver
+ * @cid:		clock id corresponding to clock subsystem
+ */
+static const struct {
+	const char *n;
+	const char *p;
+	u8 id;
+	u8 cid;
+} sam9x60_systemck[] = {
+	{ .n = "ddrck",		.p = "mck", .id = 2, .cid = ID_DDR, },
+	{ .n = "pck0",		.p = "prog0",    .id = 8, .cid = ID_PCK0, },
+	{ .n = "pck1",		.p = "prog1",    .id = 9, .cid = ID_PCK1, },
+	{ .n = "qspick",	.p = "mck", .id = 19, .cid = ID_QSPI, },
+};
+
+/**
+ * Peripheral clock description
+ * @n:		clock name
+ * @id:		clock id
+ */
+static const struct {
+	const char *n;
+	u8 id;
+} sam9x60_periphck[] = {
+	{ .n = "pioA_clk",   .id = 2, },
+	{ .n = "pioB_clk",   .id = 3, },
+	{ .n = "pioC_clk",   .id = 4, },
+	{ .n = "flex0_clk",  .id = 5, },
+	{ .n = "flex1_clk",  .id = 6, },
+	{ .n = "flex2_clk",  .id = 7, },
+	{ .n = "flex3_clk",  .id = 8, },
+	{ .n = "flex6_clk",  .id = 9, },
+	{ .n = "flex7_clk",  .id = 10, },
+	{ .n = "flex8_clk",  .id = 11, },
+	{ .n = "sdmmc0_clk", .id = 12, },
+	{ .n = "flex4_clk",  .id = 13, },
+	{ .n = "flex5_clk",  .id = 14, },
+	{ .n = "flex9_clk",  .id = 15, },
+	{ .n = "flex10_clk", .id = 16, },
+	{ .n = "tcb0_clk",   .id = 17, },
+	{ .n = "pwm_clk",    .id = 18, },
+	{ .n = "adc_clk",    .id = 19, },
+	{ .n = "dma0_clk",   .id = 20, },
+	{ .n = "matrix_clk", .id = 21, },
+	{ .n = "uhphs_clk",  .id = 22, },
+	{ .n = "udphs_clk",  .id = 23, },
+	{ .n = "macb0_clk",  .id = 24, },
+	{ .n = "lcd_clk",    .id = 25, },
+	{ .n = "sdmmc1_clk", .id = 26, },
+	{ .n = "macb1_clk",  .id = 27, },
+	{ .n = "ssc_clk",    .id = 28, },
+	{ .n = "can0_clk",   .id = 29, },
+	{ .n = "can1_clk",   .id = 30, },
+	{ .n = "flex11_clk", .id = 32, },
+	{ .n = "flex12_clk", .id = 33, },
+	{ .n = "i2s_clk",    .id = 34, },
+	{ .n = "qspi_clk",   .id = 35, },
+	{ .n = "gfx2d_clk",  .id = 36, },
+	{ .n = "pit64b_clk", .id = 37, },
+	{ .n = "trng_clk",   .id = 38, },
+	{ .n = "aes_clk",    .id = 39, },
+	{ .n = "tdes_clk",   .id = 40, },
+	{ .n = "sha_clk",    .id = 41, },
+	{ .n = "classd_clk", .id = 42, },
+	{ .n = "isi_clk",    .id = 43, },
+	{ .n = "pioD_clk",   .id = 44, },
+	{ .n = "tcb1_clk",   .id = 45, },
+	{ .n = "dbgu_clk",   .id = 47, },
+	{ .n = "mpddr_clk",  .id = 49, },
+};
+
+/**
+ * Generic clock description
+ * @n:			clock name
+ * @ep:			extra parents parents names
+ * @ep_mux_table:	extra parents mux table
+ * @ep_clk_mux_table:	extra parents clock mux table (for CCF)
+ * @r:			clock output range
+ * @ep_count:		extra parents count
+ * @id:			clock id
+ */
+static const struct {
+	const char *n;
+	struct clk_range r;
+	u8 id;
+} sam9x60_gck[] = {
+	{ .n = "flex0_gclk",  .id = 5, },
+	{ .n = "flex1_gclk",  .id = 6, },
+	{ .n = "flex2_gclk",  .id = 7, },
+	{ .n = "flex3_gclk",  .id = 8, },
+	{ .n = "flex6_gclk",  .id = 9, },
+	{ .n = "flex7_gclk",  .id = 10, },
+	{ .n = "flex8_gclk",  .id = 11, },
+	{ .n = "sdmmc0_gclk", .id = 12, .r = { .min = 0, .max = 105000000 }, },
+	{ .n = "flex4_gclk",  .id = 13, },
+	{ .n = "flex5_gclk",  .id = 14, },
+	{ .n = "flex9_gclk",  .id = 15, },
+	{ .n = "flex10_gclk", .id = 16, },
+	{ .n = "tcb0_gclk",   .id = 17, },
+	{ .n = "adc_gclk",    .id = 19, },
+	{ .n = "lcd_gclk",    .id = 25, .r = { .min = 0, .max = 140000000 }, },
+	{ .n = "sdmmc1_gclk", .id = 26, .r = { .min = 0, .max = 105000000 }, },
+	{ .n = "flex11_gclk", .id = 32, },
+	{ .n = "flex12_gclk", .id = 33, },
+	{ .n = "i2s_gclk",    .id = 34, .r = { .min = 0, .max = 105000000 }, },
+	{ .n = "pit64b_gclk", .id = 37, },
+	{ .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 }, },
+	{ .n = "tcb1_gclk",   .id = 45, },
+	{ .n = "dbgu_gclk",   .id = 47, },
+};
+
+#define prepare_mux_table(_allocs, _index, _dst, _src, _num, _label)	\
+	do {								\
+		int _i;							\
+		(_dst) = kzalloc(sizeof(*(_dst)) * (_num), GFP_KERNEL);	\
+		if (!(_dst)) {						\
+			ret = -ENOMEM;					\
+			goto _label;					\
+		}							\
+		(_allocs)[(_index)++] = (_dst);				\
+		for (_i = 0; _i < (_num); _i++)				\
+			(_dst)[_i] = (_src)[_i];			\
+	} while (0)
+
+static int sam9x60_clk_probe(struct udevice *dev)
+{
+	void __iomem *base = (void *)devfdt_get_addr_ptr(dev);
+	unsigned int *clkmuxallocs[64], *muxallocs[64];
+	const char *p[10];
+	unsigned int cm[10], m[10], *tmpclkmux, *tmpmux;
+	struct clk clk, *c;
+	bool main_osc_bypass;
+	int ret, muxallocindex = 0, clkmuxallocindex = 0, i;
+	static const struct clk_range r = { 0, 0 };
+
+	if (!base)
+		return -EINVAL;
+
+	memset(muxallocs,    0, ARRAY_SIZE(muxallocs));
+	memset(clkmuxallocs, 0, ARRAY_SIZE(clkmuxallocs));
+
+	ret = clk_get_by_index(dev, 0, &clk);
+	if (ret)
+		return ret;
+
+	ret = clk_get_by_id(clk.id, &c);
+	if (ret)
+		return ret;
+
+	clk_names[ID_TD_SLCK] = kmemdup(clk_hw_get_name(c),
+					strlen(clk_hw_get_name(c)) + 1,
+					GFP_KERNEL);
+	if (!clk_names[ID_TD_SLCK])
+		return -ENOMEM;
+
+	ret = clk_get_by_index(dev, 1, &clk);
+	if (ret)
+		return ret;
+
+	ret = clk_get_by_id(clk.id, &c);
+	if (ret)
+		return ret;
+
+	clk_names[ID_MD_SLCK] = kmemdup(clk_hw_get_name(c),
+					strlen(clk_hw_get_name(c)) + 1,
+					GFP_KERNEL);
+	if (!clk_names[ID_MD_SLCK])
+		return -ENOMEM;
+
+	ret = clk_get_by_index(dev, 2, &clk);
+	if (ret)
+		return ret;
+
+	clk_names[ID_MAIN_XTAL] = kmemdup(clk_hw_get_name(&clk),
+					  strlen(clk_hw_get_name(&clk)) + 1,
+					  GFP_KERNEL);
+	if (!clk_names[ID_MAIN_XTAL])
+		return -ENOMEM;
+
+	ret = clk_get_by_index(dev, 3, &clk);
+	if (ret)
+		goto fail;
+
+	clk_names[ID_MAIN_RC] = kmemdup(clk_hw_get_name(&clk),
+					strlen(clk_hw_get_name(&clk)) + 1,
+					GFP_KERNEL);
+	if (ret)
+		goto fail;
+
+	main_osc_bypass = dev_read_bool(dev, "atmel,main-osc-bypass");
+
+	/* Register main rc oscillator. */
+	c = at91_clk_main_rc(base, clk_names[ID_MAIN_RC_OSC],
+			     clk_names[ID_MAIN_RC]);
+	if (IS_ERR(c)) {
+		ret = PTR_ERR(c);
+		goto fail;
+	}
+	clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_RC_OSC), c);
+
+	/* Register main oscillator. */
+	c = at91_clk_main_osc(base, clk_names[ID_MAIN_OSC],
+			      clk_names[ID_MAIN_XTAL], main_osc_bypass);
+	if (IS_ERR(c)) {
+		ret = PTR_ERR(c);
+		goto fail;
+	}
+	clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_OSC), c);
+
+	/* Register mainck. */
+	p[0] = clk_names[ID_MAIN_RC_OSC];
+	p[1] = clk_names[ID_MAIN_OSC];
+	cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_RC_OSC);
+	cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_OSC);
+	prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 2,
+			  fail);
+	c = at91_clk_sam9x5_main(base, clk_names[ID_MAINCK], p,
+				 2, tmpclkmux, PMC_TYPE_CORE);
+	if (IS_ERR(c)) {
+		ret = PTR_ERR(c);
+		goto fail;
+	}
+	clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK), c);
+
+	/* Register PLL fracs clocks. */
+	for (i = 0; i < ARRAY_SIZE(sam9x60_plls); i++) {
+		if (sam9x60_plls[i].t != PLL_TYPE_FRAC)
+			continue;
+
+		c = sam9x60_clk_register_frac_pll(base, sam9x60_plls[i].n,
+						  sam9x60_plls[i].p,
+						  sam9x60_plls[i].id,
+						  sam9x60_plls[i].c,
+						  sam9x60_plls[i].l,
+						  sam9x60_plls[i].f);
+		if (IS_ERR(c)) {
+			ret = PTR_ERR(c);
+			goto fail;
+		}
+		clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sam9x60_plls[i].cid), c);
+	}
+
+	/* Register PLL div clocks. */
+	for (i = 0; i < ARRAY_SIZE(sam9x60_plls); i++) {
+		if (sam9x60_plls[i].t != PLL_TYPE_DIV)
+			continue;
+
+		c = sam9x60_clk_register_div_pll(base, sam9x60_plls[i].n,
+						 sam9x60_plls[i].p,
+						 sam9x60_plls[i].id,
+						 sam9x60_plls[i].c,
+						 sam9x60_plls[i].l,
+						 sam9x60_plls[i].f);
+		if (IS_ERR(c)) {
+			ret = PTR_ERR(c);
+			goto fail;
+		}
+		clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sam9x60_plls[i].cid), c);
+	}
+
+	/* Register MCK clock. */
+	p[0] = clk_names[ID_MD_SLCK];
+	p[1] = clk_names[ID_MAINCK];
+	p[2] = clk_names[ID_PLL_A_DIV];
+	p[3] = clk_names[ID_PLL_U_DIV];
+	cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK);
+	cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK);
+	cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_A_DIV);
+	cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_U_DIV);
+	prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 4,
+			  fail);
+	c = at91_clk_register_master(base, clk_names[ID_MCK], p, 4, &mck_layout,
+				     &mck_characteristics, tmpclkmux);
+	if (IS_ERR(c)) {
+		ret = PTR_ERR(c);
+		goto fail;
+	}
+	clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK), c);
+
+	/* Register programmable clocks. */
+	p[0] = clk_names[ID_MD_SLCK];
+	p[1] = clk_names[ID_TD_SLCK];
+	p[2] = clk_names[ID_MAINCK];
+	p[3] = clk_names[ID_MCK];
+	p[4] = clk_names[ID_PLL_A_DIV];
+	p[5] = clk_names[ID_PLL_U_DIV];
+	cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK);
+	cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK);
+	cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK);
+	cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK);
+	cm[4] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_A_DIV);
+	cm[5] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_U_DIV);
+	for (i = 0; i < ARRAY_SIZE(sam9x60_prog); i++) {
+		prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm,
+				  6, fail);
+
+		c = at91_clk_register_programmable(base, sam9x60_prog[i].n, p,
+						   10, i, &programmable_layout,
+						   tmpclkmux,
+						   sam9x60_prog_mux_table);
+		if (IS_ERR(c)) {
+			ret = PTR_ERR(c);
+			goto fail;
+		}
+		clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sam9x60_prog[i].cid), c);
+	}
+
+	/* System clocks. */
+	for (i = 0; i < ARRAY_SIZE(sam9x60_systemck); i++) {
+		c = at91_clk_register_system(base, sam9x60_systemck[i].n,
+					     sam9x60_systemck[i].p,
+					     sam9x60_systemck[i].id);
+		if (IS_ERR(c)) {
+			ret = PTR_ERR(c);
+			goto fail;
+		}
+		clk_dm(AT91_TO_CLK_ID(PMC_TYPE_SYSTEM, sam9x60_systemck[i].cid),
+		       c);
+	}
+
+	/* Peripheral clocks. */
+	for (i = 0; i < ARRAY_SIZE(sam9x60_periphck); i++) {
+		c = at91_clk_register_sam9x5_peripheral(base, &pcr_layout,
+							sam9x60_periphck[i].n,
+							clk_names[ID_MCK],
+							sam9x60_periphck[i].id,
+							&r);
+		if (IS_ERR(c)) {
+			ret = PTR_ERR(c);
+			goto fail;
+		}
+		clk_dm(AT91_TO_CLK_ID(PMC_TYPE_PERIPHERAL,
+				      sam9x60_periphck[i].id), c);
+	}
+
+	/* Generic clocks. */
+	p[0] = clk_names[ID_MD_SLCK];
+	p[1] = clk_names[ID_TD_SLCK];
+	p[2] = clk_names[ID_MAINCK];
+	p[3] = clk_names[ID_MCK];
+	p[4] = clk_names[ID_PLL_A_DIV];
+	p[5] = clk_names[ID_PLL_U_DIV];
+	m[0] = 0;
+	m[1] = 1;
+	m[2] = 2;
+	m[3] = 3;
+	m[4] = 4;
+	m[5] = 5;
+	cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK);
+	cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK);
+	cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK);
+	cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK);
+	cm[4] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_A_DIV);
+	cm[5] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_U_DIV);
+	for (i = 0; i < ARRAY_SIZE(sam9x60_gck); i++) {
+		prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm,
+				  6, fail);
+		prepare_mux_table(muxallocs, muxallocindex, tmpmux, m,
+				  6, fail);
+
+		c = at91_clk_register_generic(base, &pcr_layout,
+					      sam9x60_gck[i].n, p, tmpclkmux,
+					      tmpmux, 6, sam9x60_gck[i].id,
+					      &sam9x60_gck[i].r);
+		if (IS_ERR(c)) {
+			ret = PTR_ERR(c);
+			goto fail;
+		}
+		clk_dm(AT91_TO_CLK_ID(PMC_TYPE_GCK, sam9x60_gck[i].id), c);
+	}
+
+	return 0;
+
+fail:
+	for (i = 0; i < ARRAY_SIZE(muxallocs); i++)
+		kfree(muxallocs[i]);
+
+	for (i = 0; i < ARRAY_SIZE(clkmuxallocs); i++)
+		kfree(clkmuxallocs[i]);
+
+	return ret;
+}
+
+static const struct udevice_id sam9x60_clk_ids[] = {
+	{ .compatible = "microchip,sam9x60-pmc" },
+	{ /* Sentinel. */ },
+};
+
+U_BOOT_DRIVER(at91_sam9x60_pmc) = {
+	.name = "at91-sam9x60-pmc",
+	.id = UCLASS_CLK,
+	.of_match = sam9x60_clk_ids,
+	.ops = &at91_clk_ops,
+	.probe = sam9x60_clk_probe,
+	.flags = DM_FLAG_PRE_RELOC,
+};