[PATCH v7 0/2] clk: uniphier: add clock drivers for UniPhier SoCs

[PATCH v7 0/2] clk: uniphier: add clock drivers for UniPhier SoCs

[Masahiro Yamada]

I split into two patches to make review easier.

 1/2: core support code
 2/2: data arrays


Changes in v7:
  - Add static to probe/remove callbacks
  - Fill unused idx of clk array with ERR_PTR(-EINVAL)
  - Use of_device_get_match_data() instead of of_match_node()
  - Remove CLK_IS_BASIC flag
  - Make drivers built-in only
  - Remove bogus  #include <linux/bitops.h>

Changes in v6:
  - Fix provided clock description a bit

Changes in v5:
  - Assign each gating register bit with a separate clk
  - Fix examples in binding document to add specific compatible
  - Document provided clocks for system clock

Changes in v4:
  - Unify module_platform_driver() boilerplate into a single place
  - Add binding document
  - Add USB3 clocks

Changes in v3:
  - Change to platform drivers instead of OF_CLK_DECLARE
  - Split into a core part + SoC drivers
    SoC drivers just consist of tables of SoC-specific data.
    This allows reviewer to concentrate on the core-part
  - Hard-code parent clock names for cascading

Changes in v2:
  - split emmc_hw_reset
  - make SD clock rate-controllable
  - add CLK_SET_RATE_PARENT flag to mux, gate, fixed-factor clocks

Masahiro Yamada (2):
  clk: uniphier: add core support code for UniPhier clock driver
  clk: uniphier: add clock data for UniPhier SoCs

 .../devicetree/bindings/clock/uniphier-clock.txt   | 134 +++++++++++++
 MAINTAINERS                                        |   1 +
 drivers/clk/Kconfig                                |   1 +
 drivers/clk/Makefile                               |   1 +
 drivers/clk/uniphier/Kconfig                       |   9 +
 drivers/clk/uniphier/Makefile                      |   8 +
 drivers/clk/uniphier/clk-uniphier-core.c           | 214 +++++++++++++++++++++
 drivers/clk/uniphier/clk-uniphier-fixed-factor.c   |  48 +++++
 drivers/clk/uniphier/clk-uniphier-fixed-rate.c     |  47 +++++
 drivers/clk/uniphier/clk-uniphier-gate.c           |  97 ++++++++++
 drivers/clk/uniphier/clk-uniphier-mio.c            | 101 ++++++++++
 drivers/clk/uniphier/clk-uniphier-mux.c            |  95 +++++++++
 drivers/clk/uniphier/clk-uniphier-peri.c           |  57 ++++++
 drivers/clk/uniphier/clk-uniphier-sys.c            | 151 +++++++++++++++
 drivers/clk/uniphier/clk-uniphier.h                | 122 ++++++++++++
 15 files changed, 1086 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/uniphier-clock.txt
 create mode 100644 drivers/clk/uniphier/Kconfig
 create mode 100644 drivers/clk/uniphier/Makefile
 create mode 100644 drivers/clk/uniphier/clk-uniphier-core.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-fixed-factor.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-fixed-rate.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-gate.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-mio.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-mux.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-peri.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-sys.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier.h

-- 
1.9.1

[PATCH v7 1/2] clk: uniphier: add core support code for UniPhier clock driver

[Masahiro Yamada]

This includes UniPhier clock driver code, except SoC-specific
data arrays.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 MAINTAINERS                                      |   1 +
 drivers/clk/Kconfig                              |   1 +
 drivers/clk/Makefile                             |   1 +
 drivers/clk/uniphier/Kconfig                     |   9 ++
 drivers/clk/uniphier/Makefile                    |   5 +
 drivers/clk/uniphier/clk-uniphier-core.c         | 123 +++++++++++++++++++++++
 drivers/clk/uniphier/clk-uniphier-fixed-factor.c |  48 +++++++++
 drivers/clk/uniphier/clk-uniphier-fixed-rate.c   |  47 +++++++++
 drivers/clk/uniphier/clk-uniphier-gate.c         |  97 ++++++++++++++++++
 drivers/clk/uniphier/clk-uniphier-mux.c          |  95 +++++++++++++++++
 drivers/clk/uniphier/clk-uniphier.h              | 109 ++++++++++++++++++++
 11 files changed, 536 insertions(+)
 create mode 100644 drivers/clk/uniphier/Kconfig
 create mode 100644 drivers/clk/uniphier/Makefile
 create mode 100644 drivers/clk/uniphier/clk-uniphier-core.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-fixed-factor.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-fixed-rate.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-gate.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-mux.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier.h

diff --git a/MAINTAINERS b/MAINTAINERS
index ef47152..c205e1a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1839,6 +1839,7 @@ F:	arch/arm/mach-uniphier/
 F:	arch/arm/mm/cache-uniphier.c
 F:	arch/arm64/boot/dts/socionext/
 F:	drivers/bus/uniphier-system-bus.c
+F:	drivers/clk/uniphier/
 F:	drivers/i2c/busses/i2c-uniphier*
 F:	drivers/pinctrl/uniphier/
 F:	drivers/reset/reset-uniphier.c
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index e2d9bd7..584c10d 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -218,5 +218,6 @@ source "drivers/clk/samsung/Kconfig"
 source "drivers/clk/sunxi-ng/Kconfig"
 source "drivers/clk/tegra/Kconfig"
 source "drivers/clk/ti/Kconfig"
+source "drivers/clk/uniphier/Kconfig"
 
 endmenu
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 3b6f9cf..7d66cef 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -86,6 +86,7 @@ obj-$(CONFIG_ARCH_SUNXI)		+= sunxi/
 obj-$(CONFIG_ARCH_SUNXI)		+= sunxi-ng/
 obj-$(CONFIG_ARCH_TEGRA)		+= tegra/
 obj-y					+= ti/
+obj-$(CONFIG_CLK_UNIPHIER)		+= uniphier/
 obj-$(CONFIG_ARCH_U8500)		+= ux500/
 obj-$(CONFIG_COMMON_CLK_VERSATILE)	+= versatile/
 obj-$(CONFIG_X86)			+= x86/
diff --git a/drivers/clk/uniphier/Kconfig b/drivers/clk/uniphier/Kconfig
new file mode 100644
index 0000000..5512377
--- /dev/null
+++ b/drivers/clk/uniphier/Kconfig
@@ -0,0 +1,9 @@
+config CLK_UNIPHIER
+	bool "Clock driver for UniPhier SoCs"
+	depends on ARCH_UNIPHIER || COMPILE_TEST
+	depends on OF && MFD_SYSCON
+	default ARCH_UNIPHIER
+	help
+	  Support for clock controllers on UniPhier SoCs.
+	  Say Y if you want to control clocks provided by System Control
+	  block, Media I/O block, Peripheral Block.
diff --git a/drivers/clk/uniphier/Makefile b/drivers/clk/uniphier/Makefile
new file mode 100644
index 0000000..88a28ca
--- /dev/null
+++ b/drivers/clk/uniphier/Makefile
@@ -0,0 +1,5 @@
+obj-y	+= clk-uniphier-core.o
+obj-y	+= clk-uniphier-fixed-factor.o
+obj-y	+= clk-uniphier-fixed-rate.o
+obj-y	+= clk-uniphier-gate.o
+obj-y	+= clk-uniphier-mux.o
diff --git a/drivers/clk/uniphier/clk-uniphier-core.c b/drivers/clk/uniphier/clk-uniphier-core.c
new file mode 100644
index 0000000..a6e2a94
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-core.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/init.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+
+#include "clk-uniphier.h"
+
+static struct clk_hw *uniphier_clk_register(struct device *dev,
+					    struct regmap *regmap,
+					const struct uniphier_clk_data *data)
+{
+	switch (data->type) {
+	case UNIPHIER_CLK_TYPE_FIXED_FACTOR:
+		return uniphier_clk_register_fixed_factor(dev, data->name,
+							  &data->data.factor);
+	case UNIPHIER_CLK_TYPE_FIXED_RATE:
+		return uniphier_clk_register_fixed_rate(dev, data->name,
+							&data->data.rate);
+	case UNIPHIER_CLK_TYPE_GATE:
+		return uniphier_clk_register_gate(dev, regmap, data->name,
+						  &data->data.gate);
+	case UNIPHIER_CLK_TYPE_MUX:
+		return uniphier_clk_register_mux(dev, regmap, data->name,
+						 &data->data.mux);
+	default:
+		dev_err(dev, "unsupported clock type\n");
+		return ERR_PTR(-EINVAL);
+	}
+}
+
+static int uniphier_clk_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct clk_hw_onecell_data *hw_data;
+	const struct uniphier_clk_data *p, *data;
+	struct regmap *regmap;
+	struct device_node *parent;
+	int clk_num = 0;
+
+	data = of_device_get_match_data(dev);
+	if (WARN_ON(!data))
+		return -EINVAL;
+
+	parent = of_get_parent(dev->of_node); /* parent should be syscon node */
+	regmap = syscon_node_to_regmap(parent);
+	of_node_put(parent);
+	if (IS_ERR(regmap)) {
+		dev_err(dev, "failed to get regmap (error %ld)\n",
+			PTR_ERR(regmap));
+		return PTR_ERR(regmap);
+	}
+
+	for (p = data; p->name; p++)
+		clk_num = max(clk_num, p->idx + 1);
+
+	hw_data = devm_kzalloc(dev,
+			sizeof(*hw_data) + clk_num * sizeof(struct clk_hw *),
+			GFP_KERNEL);
+	if (!hw_data)
+		return -ENOMEM;
+
+	hw_data->num = clk_num;
+
+	/* avoid returning NULL for unused idx */
+	for (; clk_num >= 0; clk_num--)
+		hw_data->hws[clk_num] = ERR_PTR(-EINVAL);
+
+	for (p = data; p->name; p++) {
+		struct clk_hw *hw;
+
+		dev_dbg(dev, "register %s (index=%d)\n", p->name, p->idx);
+		hw = uniphier_clk_register(dev, regmap, p);
+		if (IS_ERR(hw)) {
+			dev_err(dev, "failed to register %s (error %ld)\n",
+				p->name, PTR_ERR(hw));
+			return PTR_ERR(hw);
+		}
+
+		if (p->idx >= 0)
+			hw_data->hws[p->idx] = hw;
+	}
+
+	return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
+				      hw_data);
+}
+
+static int uniphier_clk_remove(struct platform_device *pdev)
+{
+	of_clk_del_provider(pdev->dev.of_node);
+
+	return 0;
+}
+
+static const struct of_device_id uniphier_clk_match[] = {
+	{ /* sentinel */ }
+};
+
+static struct platform_driver uniphier_clk_driver = {
+	.probe = uniphier_clk_probe,
+	.remove = uniphier_clk_remove,
+	.driver = {
+		.name = "uniphier-clk",
+		.of_match_table = uniphier_clk_match,
+	},
+};
+builtin_platform_driver(uniphier_clk_driver);
diff --git a/drivers/clk/uniphier/clk-uniphier-fixed-factor.c b/drivers/clk/uniphier/clk-uniphier-fixed-factor.c
new file mode 100644
index 0000000..da2d9f4
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-fixed-factor.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+
+#include "clk-uniphier.h"
+
+struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev,
+						  const char *name,
+			const struct uniphier_clk_fixed_factor_data *data)
+{
+	struct clk_fixed_factor *fix;
+	struct clk_init_data init;
+	int ret;
+
+	fix = devm_kzalloc(dev, sizeof(*fix), GFP_KERNEL);
+	if (!fix)
+		return ERR_PTR(-ENOMEM);
+
+	init.name = name;
+	init.ops = &clk_fixed_factor_ops;
+	init.flags = data->parent_name ? CLK_SET_RATE_PARENT : 0;
+	init.parent_names = data->parent_name ? &data->parent_name : NULL;
+	init.num_parents = data->parent_name ? 1 : 0;
+
+	fix->mult = data->mult;
+	fix->div = data->div;
+	fix->hw.init = &init;
+
+	ret = devm_clk_hw_register(dev, &fix->hw);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return &fix->hw;
+}
diff --git a/drivers/clk/uniphier/clk-uniphier-fixed-rate.c b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c
new file mode 100644
index 0000000..0ad0d46
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+
+#include "clk-uniphier.h"
+
+struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
+						const char *name,
+				const struct uniphier_clk_fixed_rate_data *data)
+{
+	struct clk_fixed_rate *fixed;
+	struct clk_init_data init;
+	int ret;
+
+	/* allocate fixed-rate clock */
+	fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL);
+	if (!fixed)
+		return ERR_PTR(-ENOMEM);
+
+	init.name = name;
+	init.ops = &clk_fixed_rate_ops;
+	init.parent_names = NULL;
+	init.num_parents = 0;
+
+	fixed->fixed_rate = data->fixed_rate;
+	fixed->hw.init = &init;
+
+	ret = devm_clk_hw_register(dev, &fixed->hw);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return &fixed->hw;
+}
diff --git a/drivers/clk/uniphier/clk-uniphier-gate.c b/drivers/clk/uniphier/clk-uniphier-gate.c
new file mode 100644
index 0000000..49142d4
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-gate.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/regmap.h>
+
+#include "clk-uniphier.h"
+
+struct uniphier_clk_gate {
+	struct clk_hw hw;
+	struct regmap *regmap;
+	unsigned int reg;
+	unsigned int bit;
+};
+
+#define to_uniphier_clk_gate(_hw) \
+				container_of(_hw, struct uniphier_clk_gate, hw)
+
+static int uniphier_clk_gate_endisable(struct clk_hw *hw, int enable)
+{
+	struct uniphier_clk_gate *gate = to_uniphier_clk_gate(hw);
+
+	return regmap_write_bits(gate->regmap, gate->reg, BIT(gate->bit),
+				 enable ? BIT(gate->bit) : 0);
+}
+
+static int uniphier_clk_gate_enable(struct clk_hw *hw)
+{
+	return uniphier_clk_gate_endisable(hw, 1);
+}
+
+static void uniphier_clk_gate_disable(struct clk_hw *hw)
+{
+	if (uniphier_clk_gate_endisable(hw, 0) < 0)
+		pr_warn("failed to disable clk\n");
+}
+
+static int uniphier_clk_gate_is_enabled(struct clk_hw *hw)
+{
+	struct uniphier_clk_gate *gate = to_uniphier_clk_gate(hw);
+	unsigned int val;
+
+	if (regmap_read(gate->regmap, gate->reg, &val) < 0)
+		pr_warn("is_enabled() may return wrong result\n");
+
+	return !!(val & BIT(gate->bit));
+}
+
+static const struct clk_ops uniphier_clk_gate_ops = {
+	.enable = uniphier_clk_gate_enable,
+	.disable = uniphier_clk_gate_disable,
+	.is_enabled = uniphier_clk_gate_is_enabled,
+};
+
+struct clk_hw *uniphier_clk_register_gate(struct device *dev,
+					  struct regmap *regmap,
+					  const char *name,
+				const struct uniphier_clk_gate_data *data)
+{
+	struct uniphier_clk_gate *gate;
+	struct clk_init_data init;
+	int ret;
+
+	gate = devm_kzalloc(dev, sizeof(*gate), GFP_KERNEL);
+	if (!gate)
+		return ERR_PTR(-ENOMEM);
+
+	init.name = name;
+	init.ops = &uniphier_clk_gate_ops;
+	init.flags = data->parent_name ? CLK_SET_RATE_PARENT : 0;
+	init.parent_names = data->parent_name ? &data->parent_name : NULL;
+	init.num_parents = data->parent_name ? 1 : 0;
+
+	gate->regmap = regmap;
+	gate->reg = data->reg;
+	gate->bit = data->bit;
+	gate->hw.init = &init;
+
+	ret = devm_clk_hw_register(dev, &gate->hw);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return &gate->hw;
+}
diff --git a/drivers/clk/uniphier/clk-uniphier-mux.c b/drivers/clk/uniphier/clk-uniphier-mux.c
new file mode 100644
index 0000000..15a2f2c
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-mux.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/regmap.h>
+
+#include "clk-uniphier.h"
+
+struct uniphier_clk_mux {
+	struct clk_hw hw;
+	struct regmap *regmap;
+	unsigned int reg;
+	const unsigned int *masks;
+	const unsigned int *vals;
+};
+
+#define to_uniphier_clk_mux(_hw) container_of(_hw, struct uniphier_clk_mux, hw)
+
+static int uniphier_clk_mux_set_parent(struct clk_hw *hw, u8 index)
+{
+	struct uniphier_clk_mux *mux = to_uniphier_clk_mux(hw);
+
+	return regmap_write_bits(mux->regmap, mux->reg, mux->masks[index],
+				 mux->vals[index]);
+}
+
+static u8 uniphier_clk_mux_get_parent(struct clk_hw *hw)
+{
+	struct uniphier_clk_mux *mux = to_uniphier_clk_mux(hw);
+	int num_parents = clk_hw_get_num_parents(hw);
+	int ret;
+	u32 val;
+	u8 i;
+
+	ret = regmap_read(mux->regmap, mux->reg, &val);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < num_parents; i++)
+		if ((mux->masks[i] & val) == mux->vals[i])
+			return i;
+
+	return -EINVAL;
+}
+
+static const struct clk_ops uniphier_clk_mux_ops = {
+	.determine_rate = __clk_mux_determine_rate,
+	.set_parent = uniphier_clk_mux_set_parent,
+	.get_parent = uniphier_clk_mux_get_parent,
+};
+
+struct clk_hw *uniphier_clk_register_mux(struct device *dev,
+					 struct regmap *regmap,
+					 const char *name,
+				const struct uniphier_clk_mux_data *data)
+{
+	struct uniphier_clk_mux *mux;
+	struct clk_init_data init;
+	int ret;
+
+	mux = devm_kzalloc(dev, sizeof(*mux), GFP_KERNEL);
+	if (!mux)
+		return ERR_PTR(-ENOMEM);
+
+	init.name = name;
+	init.ops = &uniphier_clk_mux_ops;
+	init.flags = CLK_SET_RATE_PARENT;
+	init.parent_names = data->parent_names;
+	init.num_parents = data->num_parents,
+
+	mux->regmap = regmap;
+	mux->reg = data->reg;
+	mux->masks = data->masks;
+	mux->vals = data->vals;
+	mux->hw.init = &init;
+
+	ret = devm_clk_hw_register(dev, &mux->hw);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return &mux->hw;
+}
diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h
new file mode 100644
index 0000000..3e354e9
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __CLK_UNIPHIER_H__
+#define __CLK_UNIPHIER_H__
+
+struct clk_hw;
+struct device;
+struct regmap;
+
+#define UNIPHIER_CLK_MUX_MAX_PARENTS	8
+
+enum uniphier_clk_type {
+	UNIPHIER_CLK_TYPE_FIXED_FACTOR,
+	UNIPHIER_CLK_TYPE_FIXED_RATE,
+	UNIPHIER_CLK_TYPE_GATE,
+	UNIPHIER_CLK_TYPE_MUX,
+};
+
+struct uniphier_clk_fixed_factor_data {
+	const char *parent_name;
+	unsigned int mult;
+	unsigned int div;
+};
+
+struct uniphier_clk_fixed_rate_data {
+	unsigned long fixed_rate;
+};
+
+struct uniphier_clk_gate_data {
+	const char *parent_name;
+	unsigned int reg;
+	unsigned int bit;
+};
+
+struct uniphier_clk_mux_data {
+	const char *parent_names[UNIPHIER_CLK_MUX_MAX_PARENTS];
+	unsigned int num_parents;
+	unsigned int reg;
+	unsigned int masks[UNIPHIER_CLK_MUX_MAX_PARENTS];
+	unsigned int vals[UNIPHIER_CLK_MUX_MAX_PARENTS];
+};
+
+struct uniphier_clk_data {
+	const char *name;
+	enum uniphier_clk_type type;
+	int idx;
+	union {
+		struct uniphier_clk_fixed_factor_data factor;
+		struct uniphier_clk_fixed_rate_data rate;
+		struct uniphier_clk_gate_data gate;
+		struct uniphier_clk_mux_data mux;
+	} data;
+};
+
+#define UNIPHIER_CLK_FACTOR(_name, _idx, _parent, _mult, _div)	\
+	{							\
+		.name = (_name),				\
+		.type = UNIPHIER_CLK_TYPE_FIXED_FACTOR,		\
+		.idx = (_idx),					\
+		.data.factor = {				\
+			.parent_name = (_parent),		\
+			.mult = (_mult),			\
+			.div = (_div),				\
+		},						\
+	}
+
+
+#define UNIPHIER_CLK_GATE(_name, _idx, _parent, _reg, _bit)	\
+	{							\
+		.name = (_name),				\
+		.type = UNIPHIER_CLK_TYPE_GATE,			\
+		.idx = (_idx),					\
+		.data.gate = {					\
+			.parent_name = (_parent),		\
+			.reg = (_reg),				\
+			.bit = (_bit),				\
+		},						\
+	}
+
+
+struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev,
+						  const char *name,
+			const struct uniphier_clk_fixed_factor_data *data);
+struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
+						const char *name,
+			const struct uniphier_clk_fixed_rate_data *data);
+struct clk_hw *uniphier_clk_register_gate(struct device *dev,
+					  struct regmap *regmap,
+					  const char *name,
+				const struct uniphier_clk_gate_data *data);
+struct clk_hw *uniphier_clk_register_mux(struct device *dev,
+					 struct regmap *regmap,
+					 const char *name,
+				const struct uniphier_clk_mux_data *data);
+
+#endif /* __CLK_UNIPHIER_H__ */
-- 
1.9.1

[PATCH v7 2/2] clk: uniphier: add clock data for UniPhier SoCs

[Masahiro Yamada]

Add clock data arrays for all UniPhier SoCs with a binding document.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
---

 .../devicetree/bindings/clock/uniphier-clock.txt   | 134 ++++++++++++++++++
 drivers/clk/uniphier/Makefile                      |   3 +
 drivers/clk/uniphier/clk-uniphier-core.c           |  91 +++++++++++++
 drivers/clk/uniphier/clk-uniphier-mio.c            | 101 ++++++++++++++
 drivers/clk/uniphier/clk-uniphier-peri.c           |  57 ++++++++
 drivers/clk/uniphier/clk-uniphier-sys.c            | 151 +++++++++++++++++++++
 drivers/clk/uniphier/clk-uniphier.h                |  13 ++
 7 files changed, 550 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/uniphier-clock.txt
 create mode 100644 drivers/clk/uniphier/clk-uniphier-mio.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-peri.c
 create mode 100644 drivers/clk/uniphier/clk-uniphier-sys.c

diff --git a/Documentation/devicetree/bindings/clock/uniphier-clock.txt b/Documentation/devicetree/bindings/clock/uniphier-clock.txt
new file mode 100644
index 0000000..c7179d3
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/uniphier-clock.txt
@@ -0,0 +1,134 @@
+UniPhier clock controller
+
+
+System clock
+------------
+
+Required properties:
+- compatible: should be one of the following:
+    "socionext,uniphier-sld3-clock" - for sLD3 SoC.
+    "socionext,uniphier-ld4-clock"  - for LD4 SoC.
+    "socionext,uniphier-pro4-clock" - for Pro4 SoC.
+    "socionext,uniphier-sld8-clock" - for sLD8 SoC.
+    "socionext,uniphier-pro5-clock" - for Pro5 SoC.
+    "socionext,uniphier-pxs2-clock" - for PXs2/LD6b SoC.
+    "socionext,uniphier-ld11-clock" - for LD11 SoC.
+    "socionext,uniphier-ld20-clock" - for LD20 SoC.
+- #clock-cells: should be 1.
+
+Example:
+
+	sysctrl@61840000 {
+		compatible = "socionext,uniphier-sysctrl",
+			     "simple-mfd", "syscon";
+		reg = <0x61840000 0x4000>;
+
+		clock {
+			compatible = "socionext,uniphier-ld20-clock";
+			#clock-cells = <1>;
+		};
+
+		other nodes ...
+	};
+
+Provided clocks:
+
+ 8: ST DMAC
+12: GIO (Giga bit stream I/O)
+14: USB3 ch0 host
+15: USB3 ch1 host
+16: USB3 ch0 PHY0
+17: USB3 ch0 PHY1
+20: USB3 ch1 PHY0
+21: USB3 ch1 PHY1
+
+
+Media I/O (MIO) clock
+---------------------
+
+Required properties:
+- compatible: should be one of the following:
+    "socionext,uniphier-sld3-mio-clock" - for sLD3 SoC.
+    "socionext,uniphier-ld4-mio-clock"  - for LD4 SoC.
+    "socionext,uniphier-pro4-mio-clock" - for Pro4 SoC.
+    "socionext,uniphier-sld8-mio-clock" - for sLD8 SoC.
+    "socionext,uniphier-pro5-mio-clock" - for Pro5 SoC.
+    "socionext,uniphier-pxs2-mio-clock" - for PXs2/LD6b SoC.
+    "socionext,uniphier-ld11-mio-clock" - for LD11 SoC.
+    "socionext,uniphier-ld20-mio-clock" - for LD20 SoC.
+- #clock-cells: should be 1.
+
+Example:
+
+	mioctrl@59810000 {
+		compatible = "socionext,uniphier-mioctrl",
+			     "simple-mfd", "syscon";
+		reg = <0x59810000 0x800>;
+
+		clock {
+			compatible = "socionext,uniphier-ld20-mio-clock";
+			#clock-cells = <1>;
+		};
+
+		other nodes ...
+	};
+
+Provided clocks:
+
+ 0: SD ch0 host
+ 1: eMMC host
+ 2: SD ch1 host
+ 7: MIO DMAC
+ 8: USB2 ch0 host
+ 9: USB2 ch1 host
+10: USB2 ch2 host
+11: USB2 ch3 host
+12: USB2 ch0 PHY
+13: USB2 ch1 PHY
+14: USB2 ch2 PHY
+15: USB2 ch3 PHY
+
+
+Peripheral clock
+----------------
+
+Required properties:
+- compatible: should be one of the following:
+    "socionext,uniphier-sld3-peri-clock" - for sLD3 SoC.
+    "socionext,uniphier-ld4-peri-clock"  - for LD4 SoC.
+    "socionext,uniphier-pro4-peri-clock" - for Pro4 SoC.
+    "socionext,uniphier-sld8-peri-clock" - for sLD8 SoC.
+    "socionext,uniphier-pro5-peri-clock" - for Pro5 SoC.
+    "socionext,uniphier-pxs2-peri-clock" - for PXs2/LD6b SoC.
+    "socionext,uniphier-ld11-peri-clock" - for LD11 SoC.
+    "socionext,uniphier-ld20-peri-clock" - for LD20 SoC.
+- #clock-cells: should be 1.
+
+Example:
+
+	perictrl@59820000 {
+		compatible = "socionext,uniphier-perictrl",
+			     "simple-mfd", "syscon";
+		reg = <0x59820000 0x200>;
+
+		clock {
+			compatible = "socionext,uniphier-ld20-peri-clock";
+			#clock-cells = <1>;
+		};
+
+		other nodes ...
+	};
+
+Provided clocks:
+
+ 0: UART ch0
+ 1: UART ch1
+ 2: UART ch2
+ 3: UART ch3
+ 4: I2C ch0
+ 5: I2C ch1
+ 6: I2C ch2
+ 7: I2C ch3
+ 8: I2C ch4
+ 9: I2C ch5
+10: I2C ch6
diff --git a/drivers/clk/uniphier/Makefile b/drivers/clk/uniphier/Makefile
index 88a28ca..f27b3603 100644
--- a/drivers/clk/uniphier/Makefile
+++ b/drivers/clk/uniphier/Makefile
@@ -3,3 +3,6 @@ obj-y	+= clk-uniphier-fixed-factor.o
 obj-y	+= clk-uniphier-fixed-rate.o
 obj-y	+= clk-uniphier-gate.o
 obj-y	+= clk-uniphier-mux.o
+obj-y	+= clk-uniphier-sys.o
+obj-y	+= clk-uniphier-mio.o
+obj-y	+= clk-uniphier-peri.o
diff --git a/drivers/clk/uniphier/clk-uniphier-core.c b/drivers/clk/uniphier/clk-uniphier-core.c
index a6e2a94..5ffb898 100644
--- a/drivers/clk/uniphier/clk-uniphier-core.c
+++ b/drivers/clk/uniphier/clk-uniphier-core.c
@@ -109,6 +109,97 @@ static int uniphier_clk_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id uniphier_clk_match[] = {
+	/* System clock */
+	{
+		.compatible = "socionext,uniphier-ld4-clock",
+		.data = uniphier_ld4_sys_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pro4-clock",
+		.data = uniphier_pro4_sys_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-sld8-clock",
+		.data = uniphier_sld8_sys_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pro5-clock",
+		.data = uniphier_pro5_sys_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pxs2-clock",
+		.data = uniphier_pxs2_sys_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-ld11-clock",
+		.data = uniphier_ld11_sys_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-ld20-clock",
+		.data = uniphier_ld20_sys_clk_data,
+	},
+	/* Media I/O clock */
+	{
+		.compatible = "socionext,uniphier-sld3-mio-clock",
+		.data = uniphier_sld3_mio_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-ld4-mio-clock",
+		.data = uniphier_sld3_mio_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pro4-mio-clock",
+		.data = uniphier_sld3_mio_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-sld8-mio-clock",
+		.data = uniphier_sld3_mio_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pro5-mio-clock",
+		.data = uniphier_pro5_mio_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pxs2-mio-clock",
+		.data = uniphier_pro5_mio_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-ld11-mio-clock",
+		.data = uniphier_sld3_mio_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-ld20-mio-clock",
+		.data = uniphier_pro5_mio_clk_data,
+	},
+	/* Peripheral clock */
+	{
+		.compatible = "socionext,uniphier-ld4-peri-clock",
+		.data = uniphier_ld4_peri_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pro4-peri-clock",
+		.data = uniphier_pro4_peri_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-sld8-peri-clock",
+		.data = uniphier_ld4_peri_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pro5-peri-clock",
+		.data = uniphier_pro4_peri_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-pxs2-peri-clock",
+		.data = uniphier_pro4_peri_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-ld11-peri-clock",
+		.data = uniphier_pro4_peri_clk_data,
+	},
+	{
+		.compatible = "socionext,uniphier-ld20-peri-clock",
+		.data = uniphier_pro4_peri_clk_data,
+	},
 	{ /* sentinel */ }
 };
 
diff --git a/drivers/clk/uniphier/clk-uniphier-mio.c b/drivers/clk/uniphier/clk-uniphier-mio.c
new file mode 100644
index 0000000..6aa7ec7
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-mio.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "clk-uniphier.h"
+
+#define UNIPHIER_MIO_CLK_SD_FIXED					\
+	UNIPHIER_CLK_FACTOR("sd-44m", -1, "sd-133m", 1, 3),		\
+	UNIPHIER_CLK_FACTOR("sd-33m", -1, "sd-200m", 1, 6),		\
+	UNIPHIER_CLK_FACTOR("sd-50m", -1, "sd-200m", 1, 4),		\
+	UNIPHIER_CLK_FACTOR("sd-67m", -1, "sd-200m", 1, 3),		\
+	UNIPHIER_CLK_FACTOR("sd-100m", -1, "sd-200m", 1, 2),		\
+	UNIPHIER_CLK_FACTOR("sd-40m", -1, "sd-200m", 1, 5),		\
+	UNIPHIER_CLK_FACTOR("sd-25m", -1, "sd-200m", 1, 8),		\
+	UNIPHIER_CLK_FACTOR("sd-22m", -1, "sd-133m", 1, 6)
+
+#define UNIPHIER_MIO_CLK_SD(_idx, ch)					\
+	{								\
+		.name = "sd" #ch "-sel",				\
+		.type = UNIPHIER_CLK_TYPE_MUX,				\
+		.idx = -1,						\
+		.data.mux = {						\
+			.parent_names = {				\
+				"sd-44m",				\
+				"sd-33m",				\
+				"sd-50m",				\
+				"sd-67m",				\
+				"sd-100m",				\
+				"sd-40m",				\
+				"sd-25m",				\
+				"sd-22m",				\
+			},						\
+			.num_parents = 8,				\
+			.reg = 0x30 + 0x200 * (ch),			\
+			.masks = {					\
+				0x00031000,				\
+				0x00031000,				\
+				0x00031000,				\
+				0x00031000,				\
+				0x00001300,				\
+				0x00001300,				\
+				0x00001300,				\
+				0x00001300,				\
+			},						\
+			.vals = {					\
+				0x00000000,				\
+				0x00010000,				\
+				0x00020000,				\
+				0x00030000,				\
+				0x00001000,				\
+				0x00001100,				\
+				0x00001200,				\
+				0x00001300,				\
+			},						\
+		},							\
+	},								\
+	UNIPHIER_CLK_GATE("sd" #ch, (_idx), "sd" #ch "-sel", 0x20 + 0x200 * (ch), 8)
+
+#define UNIPHIER_MIO_CLK_USB2(idx, ch)					\
+	UNIPHIER_CLK_GATE("usb2" #ch, (idx), "usb2", 0x20 + 0x200 * (ch), 28)
+
+#define UNIPHIER_MIO_CLK_USB2_PHY(idx, ch)				\
+	UNIPHIER_CLK_GATE("usb2" #ch "-phy", (idx), "usb2", 0x20 + 0x200 * (ch), 29)
+
+#define UNIPHIER_MIO_CLK_DMAC(idx)					\
+	UNIPHIER_CLK_GATE("miodmac", (idx), "stdmac", 0x20, 25)
+
+const struct uniphier_clk_data uniphier_sld3_mio_clk_data[] = {
+	UNIPHIER_MIO_CLK_SD_FIXED,
+	UNIPHIER_MIO_CLK_SD(0, 0),
+	UNIPHIER_MIO_CLK_SD(1, 1),
+	UNIPHIER_MIO_CLK_SD(2, 2),
+	UNIPHIER_MIO_CLK_DMAC(7),
+	UNIPHIER_MIO_CLK_USB2(8, 0),
+	UNIPHIER_MIO_CLK_USB2(9, 1),
+	UNIPHIER_MIO_CLK_USB2(10, 2),
+	UNIPHIER_MIO_CLK_USB2(11, 3),
+	UNIPHIER_MIO_CLK_USB2_PHY(12, 0),
+	UNIPHIER_MIO_CLK_USB2_PHY(13, 1),
+	UNIPHIER_MIO_CLK_USB2_PHY(14, 2),
+	UNIPHIER_MIO_CLK_USB2_PHY(15, 3),
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_pro5_mio_clk_data[] = {
+	UNIPHIER_MIO_CLK_SD_FIXED,
+	UNIPHIER_MIO_CLK_SD(0, 0),
+	UNIPHIER_MIO_CLK_SD(1, 1),
+	{ /* sentinel */ }
+};
diff --git a/drivers/clk/uniphier/clk-uniphier-peri.c b/drivers/clk/uniphier/clk-uniphier-peri.c
new file mode 100644
index 0000000..521c80e
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-peri.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "clk-uniphier.h"
+
+#define UNIPHIER_PERI_CLK_UART(idx, ch)					\
+	UNIPHIER_CLK_GATE("uart" #ch, (idx), "uart", 0x24, 19 + (ch))
+
+#define UNIPHIER_PERI_CLK_I2C_COMMON					\
+	UNIPHIER_CLK_GATE("i2c-common", -1, "i2c", 0x20, 1)
+
+#define UNIPHIER_PERI_CLK_I2C(idx, ch)					\
+	UNIPHIER_CLK_GATE("i2c" #ch, (idx), "i2c-common", 0x24, 5 + (ch))
+
+#define UNIPHIER_PERI_CLK_FI2C(idx, ch)					\
+	UNIPHIER_CLK_GATE("i2c" #ch, (idx), "i2c", 0x24, 24 + (ch))
+
+const struct uniphier_clk_data uniphier_ld4_peri_clk_data[] = {
+	UNIPHIER_PERI_CLK_UART(0, 0),
+	UNIPHIER_PERI_CLK_UART(1, 1),
+	UNIPHIER_PERI_CLK_UART(2, 2),
+	UNIPHIER_PERI_CLK_UART(3, 3),
+	UNIPHIER_PERI_CLK_I2C_COMMON,
+	UNIPHIER_PERI_CLK_I2C(4, 0),
+	UNIPHIER_PERI_CLK_I2C(5, 1),
+	UNIPHIER_PERI_CLK_I2C(6, 2),
+	UNIPHIER_PERI_CLK_I2C(7, 3),
+	UNIPHIER_PERI_CLK_I2C(8, 4),
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_pro4_peri_clk_data[] = {
+	UNIPHIER_PERI_CLK_UART(0, 0),
+	UNIPHIER_PERI_CLK_UART(1, 1),
+	UNIPHIER_PERI_CLK_UART(2, 2),
+	UNIPHIER_PERI_CLK_UART(3, 3),
+	UNIPHIER_PERI_CLK_FI2C(4, 0),
+	UNIPHIER_PERI_CLK_FI2C(5, 1),
+	UNIPHIER_PERI_CLK_FI2C(6, 2),
+	UNIPHIER_PERI_CLK_FI2C(7, 3),
+	UNIPHIER_PERI_CLK_FI2C(8, 4),
+	UNIPHIER_PERI_CLK_FI2C(9, 5),
+	UNIPHIER_PERI_CLK_FI2C(10, 6),
+	{ /* sentinel */ }
+};
diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c
new file mode 100644
index 0000000..5d02999
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-sys.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/stddef.h>
+
+#include "clk-uniphier.h"
+
+#define UNIPHIER_SLD3_SYS_CLK_SD					\
+	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 8),		\
+	UNIPHIER_CLK_FACTOR("sd-133m", -1, "vpll27a", 1, 2)
+
+#define UNIPHIER_PRO5_SYS_CLK_SD					\
+	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 12),		\
+	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 18)
+
+#define UNIPHIER_LD20_SYS_CLK_SD					\
+	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 10),		\
+	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 15)
+
+#define UNIPHIER_SLD3_SYS_CLK_STDMAC(idx)				\
+	UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x2104, 10)
+
+#define UNIPHIER_LD11_SYS_CLK_STDMAC(idx)				\
+	UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x210c, 8)
+
+#define UNIPHIER_PRO4_SYS_CLK_GIO(idx)					\
+	UNIPHIER_CLK_GATE("gio", (idx), NULL, 0x2104, 6)
+
+#define UNIPHIER_PRO4_SYS_CLK_USB3(idx, ch)				\
+	UNIPHIER_CLK_GATE("usb3" #ch, (idx), NULL, 0x2104, 16 + (ch))
+
+const struct uniphier_clk_data uniphier_sld3_sys_clk_data[] = {
+	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
+	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
+	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
+	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
+	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
+	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
+	UNIPHIER_SLD3_SYS_CLK_SD,
+	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
+	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
+	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
+	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
+	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
+	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
+	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
+	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
+	UNIPHIER_SLD3_SYS_CLK_SD,
+	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
+	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* Ether, HSC, MIO */
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
+	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
+	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
+	UNIPHIER_CLK_FACTOR("a2pll", -1, "upll", 256, 125),	/* 589.824 MHz */
+	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
+	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
+	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
+	UNIPHIER_SLD3_SYS_CLK_SD,
+	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
+	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* HSC, MIO, RLE */
+	UNIPHIER_PRO4_SYS_CLK_GIO(12),			/* Ether, SATA, USB3 */
+	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
+	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
+	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
+	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
+	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
+	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
+	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
+	UNIPHIER_SLD3_SYS_CLK_SD,
+	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
+	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* Ether, HSC, MIO */
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
+	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 120, 1),		/* 2400 MHz */
+	UNIPHIER_CLK_FACTOR("dapll1", -1, "ref", 128, 1),	/* 2560 MHz */
+	UNIPHIER_CLK_FACTOR("dapll2", -1, "ref", 144, 125),	/* 2949.12 MHz */
+	UNIPHIER_CLK_FACTOR("uart", 0, "dapll2", 1, 40),
+	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
+	UNIPHIER_PRO5_SYS_CLK_SD,
+	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),			/* HSC */
+	UNIPHIER_PRO4_SYS_CLK_GIO(12),				/* PCIe, USB3 */
+	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
+	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
+	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 96, 1),		/* 2400 MHz */
+	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 27),
+	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
+	UNIPHIER_PRO5_SYS_CLK_SD,
+	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),			/* HSC, RLE */
+	/* GIO is always clock-enabled: no function for 0x2104 bit6 */
+	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
+	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
+	/* The document mentions 0x2104 bit 18, but not functional */
+	UNIPHIER_CLK_GATE("usb30-phy", 16, NULL, 0x2104, 19),
+	UNIPHIER_CLK_GATE("usb31-phy", 20, NULL, 0x2104, 20),
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
+	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
+	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
+	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
+	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC, MIO */
+	UNIPHIER_CLK_FACTOR("usb2", -1, "ref", 24, 25),
+	{ /* sentinel */ }
+};
+
+const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
+	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
+	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
+	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
+	UNIPHIER_LD20_SYS_CLK_SD,
+	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC */
+	/* GIO is always clock-enabled: no function for 0x210c bit5 */
+	/*
+	 * clock for USB Link is enabled by the logic "OR" of bit 14 and bit 15.
+	 * We do not use bit 15 here.
+	 */
+	UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14),
+	UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 12),
+	UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 13),
+	{ /* sentinel */ }
+};
diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h
index 3e354e9..3ae1840 100644
--- a/drivers/clk/uniphier/clk-uniphier.h
+++ b/drivers/clk/uniphier/clk-uniphier.h
@@ -106,4 +106,17 @@ struct clk_hw *uniphier_clk_register_mux(struct device *dev,
 					 const char *name,
 				const struct uniphier_clk_mux_data *data);
 
+extern const struct uniphier_clk_data uniphier_sld3_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld4_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_pro4_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_sld8_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_pro5_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld11_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld20_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_sld3_mio_clk_data[];
+extern const struct uniphier_clk_data uniphier_pro5_mio_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld4_peri_clk_data[];
+extern const struct uniphier_clk_data uniphier_pro4_peri_clk_data[];
+
 #endif /* __CLK_UNIPHIER_H__ */
-- 
1.9.1

Re: [PATCH v7 1/2] clk: uniphier: add core support code for UniPhier clock driver

[Stephen Boyd]

On 09/16, Masahiro Yamada wrote:
> This includes UniPhier clock driver code, except SoC-specific
> data arrays.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---

Applied to clk-next

-- 
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