Merge branches 'clk-aspeed', 'clk-keystone', 'clk-mobileye' and 'clk-allwinner' into clk-next

* clk-aspeed:
  clk: ast2600: Add FSI parent clock with correct rate
  dt-bindings: clock: ast2600: Add FSI clock

* clk-keystone:
  clk: keystone: sci-clk: Adding support for non contiguous clocks

* clk-mobileye:
  dt-bindings: reset: mobileye,eyeq5-reset: add bindings
  dt-bindings: clock: mobileye,eyeq5-clk: add bindings
  clk: fixed-factor: add fwname-based constructor functions
  clk: fixed-factor: add optional accuracy support

* clk-allwinner:
  clk: sunxi: usb: fix kernel-doc warnings
  clk: sunxi: sun9i-cpus: fix kernel-doc warnings
  clk: sunxi: a20-gmac: fix kernel-doc warnings

Documentation/devicetree/bindings/clock/mobileye,eyeq5-clk.yaml

@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/mobileye,eyeq5-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mobileye EyeQ5 clock controller
+
+description:
+  The EyeQ5 clock controller handles 10 read-only PLLs derived from the main
+  crystal clock. It also exposes one divider clock, a child of one of the PLLs.
+  Its registers live in a shared region called OLB.
+
+maintainers:
+  - Grégory Clement <gregory.clement@bootlin.com>
+  - Théo Lebrun <theo.lebrun@bootlin.com>
+  - Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>
+
+properties:
+  compatible:
+    const: mobileye,eyeq5-clk
+
+  reg:
+    maxItems: 2
+
+  reg-names:
+    items:
+      - const: plls
+      - const: ospi
+
+  "#clock-cells":
+    const: 1
+
+  clocks:
+    maxItems: 1
+    description:
+      Input parent clock to all PLLs. Expected to be the main crystal.
+
+  clock-names:
+    items:
+      - const: ref
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - "#clock-cells"
+  - clocks
+  - clock-names
+
+additionalProperties: false

Documentation/devicetree/bindings/reset/mobileye,eyeq5-reset.yaml

@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/mobileye,eyeq5-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mobileye EyeQ5 reset controller
+
+description:
+  The EyeQ5 reset driver handles three reset domains. Its registers live in a
+  shared region called OLB.
+
+maintainers:
+  - Grégory Clement <gregory.clement@bootlin.com>
+  - Théo Lebrun <theo.lebrun@bootlin.com>
+  - Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>
+
+properties:
+  compatible:
+    const: mobileye,eyeq5-reset
+
+  reg:
+    maxItems: 3
+
+  reg-names:
+    items:
+      - const: d0
+      - const: d1
+      - const: d2
+
+  "#reset-cells":
+    const: 2
+    description:
+      The first cell is the domain (0 to 2 inclusive) and the second one is the
+      reset index inside that domain.
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - "#reset-cells"
+
+additionalProperties: false

drivers/clk/clk-ast2600.c

@@ -19,7 +19,7 @@
  * This includes the gates (configured from aspeed_g6_gates), plus the
  * explicitly-configured clocks (ASPEED_CLK_HPLL and up).
  */
-#define ASPEED_G6_NUM_CLKS		72
+#define ASPEED_G6_NUM_CLKS		73
 
 #define ASPEED_G6_SILICON_REV		0x014
 #define CHIP_REVISION_ID			GENMASK(23, 16)
@@ -157,7 +157,7 @@ static const struct aspeed_gate_data aspeed_g6_gates[] = {
 	[ASPEED_CLK_GATE_UART11CLK]	= { 59,  -1, "uart11clk-gate",	"uartx", 0 },	/* UART11 */
 	[ASPEED_CLK_GATE_UART12CLK]	= { 60,  -1, "uart12clk-gate",	"uartx", 0 },	/* UART12 */
 	[ASPEED_CLK_GATE_UART13CLK]	= { 61,  -1, "uart13clk-gate",	"uartx", 0 },	/* UART13 */
-	[ASPEED_CLK_GATE_FSICLK]	= { 62,  59, "fsiclk-gate",	NULL,	 0 },	/* FSI */
+	[ASPEED_CLK_GATE_FSICLK]	= { 62,  59, "fsiclk-gate",	"fsiclk", 0 },	/* FSI */
 };
 
 static const struct clk_div_table ast2600_eclk_div_table[] = {
@@ -821,6 +821,9 @@ static void __init aspeed_g6_cc(struct regmap *map)
 
 	hw = clk_hw_register_fixed_factor(NULL, "i3cclk", "apll", 0, 1, 8);
 	aspeed_g6_clk_data->hws[ASPEED_CLK_I3C] = hw;
+
+	hw = clk_hw_register_fixed_factor(NULL, "fsiclk", "apll", 0, 1, 4);
+	aspeed_g6_clk_data->hws[ASPEED_CLK_FSI] = hw;
 };
 
 static void __init aspeed_g6_cc_init(struct device_node *np)

drivers/clk/clk-fixed-factor.c

@@ -57,10 +57,22 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long rate,
 	return 0;
 }
 
+static unsigned long clk_factor_recalc_accuracy(struct clk_hw *hw,
+						unsigned long parent_accuracy)
+{
+	struct clk_fixed_factor *fix = to_clk_fixed_factor(hw);
+
+	if (fix->flags & CLK_FIXED_FACTOR_FIXED_ACCURACY)
+		return fix->acc;
+
+	return parent_accuracy;
+}
+
 const struct clk_ops clk_fixed_factor_ops = {
 	.round_rate = clk_factor_round_rate,
 	.set_rate = clk_factor_set_rate,
 	.recalc_rate = clk_factor_recalc_rate,
+	.recalc_accuracy = clk_factor_recalc_accuracy,
 };
 EXPORT_SYMBOL_GPL(clk_fixed_factor_ops);
 
@@ -79,13 +91,12 @@ static void devm_clk_hw_register_fixed_factor_release(struct device *dev, void *
 static struct clk_hw *
 __clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
 		const char *name, const char *parent_name,
-		const struct clk_hw *parent_hw, int index,
+		const struct clk_hw *parent_hw, const struct clk_parent_data *pdata,
 		unsigned long flags, unsigned int mult, unsigned int div,
-		bool devm)
+		unsigned long acc, unsigned int fixflags, bool devm)
 {
 	struct clk_fixed_factor *fix;
 	struct clk_init_data init = { };
-	struct clk_parent_data pdata = { .index = index };
 	struct clk_hw *hw;
 	int ret;
 
@@ -105,6 +116,8 @@ __clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
 	fix->mult = mult;
 	fix->div = div;
 	fix->hw.init = &init;
+	fix->acc = acc;
+	fix->flags = fixflags;
 
 	init.name = name;
 	init.ops = &clk_fixed_factor_ops;
@@ -114,7 +127,7 @@ __clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
 	else if (parent_hw)
 		init.parent_hws = &parent_hw;
 	else
-		init.parent_data = &pdata;
+		init.parent_data = pdata;
 	init.num_parents = 1;
 
 	hw = &fix->hw;
@@ -151,8 +164,10 @@ struct clk_hw *devm_clk_hw_register_fixed_factor_index(struct device *dev,
 		const char *name, unsigned int index, unsigned long flags,
 		unsigned int mult, unsigned int div)
 {
-	return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, NULL, index,
-					      flags, mult, div, true);
+	const struct clk_parent_data pdata = { .index = index };
+
+	return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, NULL, &pdata,
+					      flags, mult, div, 0, 0, true);
 }
 EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_index);
 
@@ -173,8 +188,10 @@ struct clk_hw *devm_clk_hw_register_fixed_factor_parent_hw(struct device *dev,
 		const char *name, const struct clk_hw *parent_hw,
 		unsigned long flags, unsigned int mult, unsigned int div)
 {
+	const struct clk_parent_data pdata = { .index = -1 };
+
 	return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, parent_hw,
-					      -1, flags, mult, div, true);
+					      &pdata, flags, mult, div, 0, 0, true);
 }
 EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_parent_hw);
 
@@ -182,9 +199,10 @@ struct clk_hw *clk_hw_register_fixed_factor_parent_hw(struct device *dev,
 		const char *name, const struct clk_hw *parent_hw,
 		unsigned long flags, unsigned int mult, unsigned int div)
 {
-	return __clk_hw_register_fixed_factor(dev, NULL, name, NULL,
-					      parent_hw, -1, flags, mult, div,
-					      false);
+	const struct clk_parent_data pdata = { .index = -1 };
+
+	return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, parent_hw,
+					      &pdata, flags, mult, div, 0, 0, false);
 }
 EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor_parent_hw);
 
@@ -192,11 +210,37 @@ struct clk_hw *clk_hw_register_fixed_factor(struct device *dev,
 		const char *name, const char *parent_name, unsigned long flags,
 		unsigned int mult, unsigned int div)
 {
-	return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL, -1,
-					      flags, mult, div, false);
+	const struct clk_parent_data pdata = { .index = -1 };
+
+	return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL,
+					      &pdata, flags, mult, div, 0, 0, false);
 }
 EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor);
 
+struct clk_hw *clk_hw_register_fixed_factor_fwname(struct device *dev,
+		struct device_node *np, const char *name, const char *fw_name,
+		unsigned long flags, unsigned int mult, unsigned int div)
+{
+	const struct clk_parent_data pdata = { .index = -1, .fw_name = fw_name };
+
+	return __clk_hw_register_fixed_factor(dev, np, name, NULL, NULL,
+			&pdata, flags, mult, div, 0, 0, false);
+}
+EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor_fwname);
+
+struct clk_hw *clk_hw_register_fixed_factor_with_accuracy_fwname(struct device *dev,
+		struct device_node *np, const char *name, const char *fw_name,
+		unsigned long flags, unsigned int mult, unsigned int div,
+		unsigned long acc)
+{
+	const struct clk_parent_data pdata = { .index = -1, .fw_name = fw_name };
+
+	return __clk_hw_register_fixed_factor(dev, np, name, NULL, NULL,
+			&pdata, flags, mult, div, acc,
+			CLK_FIXED_FACTOR_FIXED_ACCURACY, false);
+}
+EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor_with_accuracy_fwname);
+
 struct clk *clk_register_fixed_factor(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
 		unsigned int mult, unsigned int div)
@@ -239,16 +283,43 @@ struct clk_hw *devm_clk_hw_register_fixed_factor(struct device *dev,
 		const char *name, const char *parent_name, unsigned long flags,
 		unsigned int mult, unsigned int div)
 {
-	return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL, -1,
-			flags, mult, div, true);
+	const struct clk_parent_data pdata = { .index = -1 };
+
+	return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, NULL,
+			&pdata, flags, mult, div, 0, 0, true);
 }
 EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor);
 
+struct clk_hw *devm_clk_hw_register_fixed_factor_fwname(struct device *dev,
+		struct device_node *np, const char *name, const char *fw_name,
+		unsigned long flags, unsigned int mult, unsigned int div)
+{
+	const struct clk_parent_data pdata = { .index = -1, .fw_name = fw_name };
+
+	return __clk_hw_register_fixed_factor(dev, np, name, NULL, NULL,
+			&pdata, flags, mult, div, 0, 0, true);
+}
+EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_fwname);
+
+struct clk_hw *devm_clk_hw_register_fixed_factor_with_accuracy_fwname(struct device *dev,
+		struct device_node *np, const char *name, const char *fw_name,
+		unsigned long flags, unsigned int mult, unsigned int div,
+		unsigned long acc)
+{
+	const struct clk_parent_data pdata = { .index = -1, .fw_name = fw_name };
+
+	return __clk_hw_register_fixed_factor(dev, np, name, NULL, NULL,
+			&pdata, flags, mult, div, acc,
+			CLK_FIXED_FACTOR_FIXED_ACCURACY, true);
+}
+EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_with_accuracy_fwname);
+
 #ifdef CONFIG_OF
 static struct clk_hw *_of_fixed_factor_clk_setup(struct device_node *node)
 {
 	struct clk_hw *hw;
 	const char *clk_name = node->name;
+	const struct clk_parent_data pdata = { .index = 0 };
 	u32 div, mult;
 	int ret;
 
@@ -266,8 +337,8 @@ static struct clk_hw *_of_fixed_factor_clk_setup(struct device_node *node)
 
 	of_property_read_string(node, "clock-output-names", &clk_name);
 
-	hw = __clk_hw_register_fixed_factor(NULL, node, clk_name, NULL, NULL, 0,
-					    0, mult, div, false);
+	hw = __clk_hw_register_fixed_factor(NULL, node, clk_name, NULL, NULL,
+					    &pdata, 0, mult, div, 0, 0, false);
 	if (IS_ERR(hw)) {
 		/*
 		 * Clear OF_POPULATED flag so that clock registration can be

drivers/clk/keystone/sci-clk.c

@@ -516,6 +516,7 @@ static int ti_sci_scan_clocks_from_dt(struct sci_clk_provider *provider)
 	struct sci_clk *sci_clk, *prev;
 	int num_clks = 0;
 	int num_parents;
+	bool state;
 	int clk_id;
 	const char * const clk_names[] = {
 		"clocks", "assigned-clocks", "assigned-clock-parents", NULL
@@ -586,6 +587,15 @@ static int ti_sci_scan_clocks_from_dt(struct sci_clk_provider *provider)
 				clk_id = args.args[1] + 1;
 
 				while (num_parents--) {
+					/* Check if this clock id is valid */
+					ret = provider->ops->is_auto(provider->sci,
+						sci_clk->dev_id, clk_id, &state);
+
+					if (ret) {
+						clk_id++;
+						continue;
+					}
+
 					sci_clk = devm_kzalloc(dev,
 							       sizeof(*sci_clk),
 							       GFP_KERNEL);

drivers/clk/sunxi/clk-a20-gmac.c

@@ -15,8 +15,19 @@
 
 static DEFINE_SPINLOCK(gmac_lock);
 
+
+#define SUN7I_A20_GMAC_GPIT	2
+#define SUN7I_A20_GMAC_MASK	0x3
+#define SUN7I_A20_GMAC_PARENTS	2
+
+static u32 sun7i_a20_gmac_mux_table[SUN7I_A20_GMAC_PARENTS] = {
+	0x00, /* Select mii_phy_tx_clk */
+	0x02, /* Select gmac_int_tx_clk */
+};
+
 /**
  * sun7i_a20_gmac_clk_setup - Setup function for A20/A31 GMAC clock module
+ * @node: &struct device_node for the clock
  *
  * This clock looks something like this
  *                               ________________________
@@ -39,16 +50,6 @@ static DEFINE_SPINLOCK(gmac_lock);
  * enable/disable this clock to configure the required state. The clock
  * driver then responds by auto-reparenting the clock.
  */
-
-#define SUN7I_A20_GMAC_GPIT	2
-#define SUN7I_A20_GMAC_MASK	0x3
-#define SUN7I_A20_GMAC_PARENTS	2
-
-static u32 sun7i_a20_gmac_mux_table[SUN7I_A20_GMAC_PARENTS] = {
-	0x00, /* Select mii_phy_tx_clk */
-	0x02, /* Select gmac_int_tx_clk */
-};
-
 static void __init sun7i_a20_gmac_clk_setup(struct device_node *node)
 {
 	struct clk *clk;

drivers/clk/sunxi/clk-sun9i-cpus.c

@@ -18,9 +18,6 @@
 
 static DEFINE_SPINLOCK(sun9i_a80_cpus_lock);
 
-/**
- * sun9i_a80_cpus_clk_setup() - Setup function for a80 cpus composite clk
- */
 
 #define SUN9I_CPUS_MAX_PARENTS		4
 #define SUN9I_CPUS_MUX_PARENT_PLL4	3
@@ -180,6 +177,10 @@ static const struct clk_ops sun9i_a80_cpus_clk_ops = {
 	.set_rate	= sun9i_a80_cpus_clk_set_rate,
 };
 
+/**
+ * sun9i_a80_cpus_setup() - Setup function for a80 cpus composite clk
+ * @node: &struct device_node for the clock
+ */
 static void sun9i_a80_cpus_setup(struct device_node *node)
 {
 	const char *clk_name = node->name;

drivers/clk/sunxi/clk-usb.c

@@ -73,9 +73,6 @@ static const struct reset_control_ops sunxi_usb_reset_ops = {
 	.deassert	= sunxi_usb_reset_deassert,
 };
 
-/**
- * sunxi_usb_clk_setup() - Setup function for usb gate clocks
- */
 
 #define SUNXI_USB_MAX_SIZE 32
 
@@ -85,6 +82,12 @@ struct usb_clk_data {
 	bool reset_needs_clk;
 };
 
+/**
+ * sunxi_usb_clk_setup() - Setup function for usb gate clocks
+ * @node: &struct device_node for the clock
+ * @data: &struct usb_clk_data for the clock
+ * @lock: spinlock for the clock
+ */
 static void __init sunxi_usb_clk_setup(struct device_node *node,
 				       const struct usb_clk_data *data,
 				       spinlock_t *lock)

include/dt-bindings/clock/ast2600-clock.h

@@ -86,6 +86,7 @@
 #define ASPEED_CLK_MAC3RCLK		69
 #define ASPEED_CLK_MAC4RCLK		70
 #define ASPEED_CLK_I3C			71
+#define ASPEED_CLK_FSI			72
 
 /* Only list resets here that are not part of a clock gate + reset pair */
 #define ASPEED_RESET_ADC		55

include/dt-bindings/clock/mobileye,eyeq5-clk.h

@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2024 Mobileye Vision Technologies Ltd.
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_MOBILEYE_EYEQ5_CLK_H
+#define _DT_BINDINGS_CLOCK_MOBILEYE_EYEQ5_CLK_H
+
+#define EQ5C_PLL_CPU	0
+#define EQ5C_PLL_VMP	1
+#define EQ5C_PLL_PMA	2
+#define EQ5C_PLL_VDI	3
+#define EQ5C_PLL_DDR0	4
+#define EQ5C_PLL_PCI	5
+#define EQ5C_PLL_PER	6
+#define EQ5C_PLL_PMAC	7
+#define EQ5C_PLL_MPC	8
+#define EQ5C_PLL_DDR1	9
+
+#define EQ5C_DIV_OSPI	10
+
+#endif

include/linux/clk-provider.h

@@ -1084,18 +1084,28 @@ void of_fixed_factor_clk_setup(struct device_node *node);
  * @hw:		handle between common and hardware-specific interfaces
  * @mult:	multiplier
  * @div:	divider
+ * @acc:	fixed accuracy in ppb
+ * @flags:	behavior modifying flags
  *
  * Clock with a fixed multiplier and divider. The output frequency is the
  * parent clock rate divided by div and multiplied by mult.
- * Implements .recalc_rate, .set_rate and .round_rate
+ * Implements .recalc_rate, .set_rate, .round_rate and .recalc_accuracy
+ *
+ * Flags:
+ * * CLK_FIXED_FACTOR_FIXED_ACCURACY - Use the value in @acc instead of the
+ *                                     parent clk accuracy.
  */
 
 struct clk_fixed_factor {
 	struct clk_hw	hw;
 	unsigned int	mult;
 	unsigned int	div;
+	unsigned long	acc;
+	unsigned int	flags;
 };
 
+#define CLK_FIXED_FACTOR_FIXED_ACCURACY	BIT(0)
+
 #define to_clk_fixed_factor(_hw) container_of(_hw, struct clk_fixed_factor, hw)
 
 extern const struct clk_ops clk_fixed_factor_ops;
@@ -1106,10 +1116,24 @@ void clk_unregister_fixed_factor(struct clk *clk);
 struct clk_hw *clk_hw_register_fixed_factor(struct device *dev,
 		const char *name, const char *parent_name, unsigned long flags,
 		unsigned int mult, unsigned int div);
+struct clk_hw *clk_hw_register_fixed_factor_fwname(struct device *dev,
+		struct device_node *np, const char *name, const char *fw_name,
+		unsigned long flags, unsigned int mult, unsigned int div);
+struct clk_hw *clk_hw_register_fixed_factor_with_accuracy_fwname(struct device *dev,
+		struct device_node *np, const char *name, const char *fw_name,
+		unsigned long flags, unsigned int mult, unsigned int div,
+		unsigned long acc);
 void clk_hw_unregister_fixed_factor(struct clk_hw *hw);
 struct clk_hw *devm_clk_hw_register_fixed_factor(struct device *dev,
 		const char *name, const char *parent_name, unsigned long flags,
 		unsigned int mult, unsigned int div);
+struct clk_hw *devm_clk_hw_register_fixed_factor_fwname(struct device *dev,
+		struct device_node *np, const char *name, const char *fw_name,
+		unsigned long flags, unsigned int mult, unsigned int div);
+struct clk_hw *devm_clk_hw_register_fixed_factor_with_accuracy_fwname(struct device *dev,
+		struct device_node *np, const char *name, const char *fw_name,
+		unsigned long flags, unsigned int mult, unsigned int div,
+		unsigned long acc);
 struct clk_hw *devm_clk_hw_register_fixed_factor_index(struct device *dev,
 		const char *name, unsigned int index, unsigned long flags,
 		unsigned int mult, unsigned int div);