kernel: add pending patches for bcm63268-timer-clocks

bcm63268-timer-clocks have been sent upstream with a positive review, so let's
add them to pending v5.15.
Also add devm_clk_hw_register_gate() patch from v5.17 to backports since it's
needed for upstream bcm63268-timer-clocks patches.

Signed-off-by: Álvaro Fernández Rojas <[email protected]>

target/linux/bmips/patches-5.15/110-mips-bmips-add-BCM63268-timer-clock-definitions.patch

@@ -1,35 +0,0 @@
-From 5a079515cb3066aeb658634301a98871b47c2af4 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <[email protected]>
-Date: Thu, 25 Feb 2021 19:44:22 +0100
-Subject: [PATCH 1/4] mips: bmips: add BCM63268 timer clock definitions
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Add missing timer clock definitions for BCM63268.
-
-Signed-off-by: Álvaro Fernández Rojas <[email protected]>
----
- include/dt-bindings/clock/bcm63268-clock.h | 13 +++++++++++++
- 1 file changed, 13 insertions(+)
-
---- a/include/dt-bindings/clock/bcm63268-clock.h
-+++ b/include/dt-bindings/clock/bcm63268-clock.h
-@@ -27,4 +27,17 @@
- #define BCM63268_CLK_TBUS	27
- #define BCM63268_CLK_ROBOSW250	31
- 
-+#define BCM63268_TCLK_EPHY1		0
-+#define BCM63268_TCLK_EPHY2		1
-+#define BCM63268_TCLK_EPHY3		2
-+#define BCM63268_TCLK_GPHY1		3
-+#define BCM63268_TCLK_DSL		4
-+#define BCM63268_TCLK_WAKEON_EPHY	6
-+#define BCM63268_TCLK_WAKEON_DSL	7
-+#define BCM63268_TCLK_FAP1		11
-+#define BCM63268_TCLK_FAP2		15
-+#define BCM63268_TCLK_UTO_50		16
-+#define BCM63268_TCLK_UTO_EXTIN		17
-+#define BCM63268_TCLK_USB_REF		18
-+
- #endif /* __DT_BINDINGS_CLOCK_BCM63268_H */

target/linux/bmips/patches-5.15/111-mips-bmips-add-BCM63268-timer-reset-definitions.patch

@@ -1,26 +0,0 @@
-From 3327df17635dd9d24a855ac6b7247fac381514cf Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <[email protected]>
-Date: Thu, 25 Feb 2021 19:45:04 +0100
-Subject: [PATCH 2/4] mips: bmips: add BCM63268 timer reset definitions
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Add missing timer reset definitions for BCM63268.
-
-Signed-off-by: Álvaro Fernández Rojas <[email protected]>
----
- include/dt-bindings/reset/bcm63268-reset.h | 4 ++++
- 1 file changed, 4 insertions(+)
-
---- a/include/dt-bindings/reset/bcm63268-reset.h
-+++ b/include/dt-bindings/reset/bcm63268-reset.h
-@@ -23,4 +23,8 @@
- #define BCM63268_RST_PCIE_HARD	17
- #define BCM63268_RST_GPHY	18
- 
-+#define BCM63268_TRST_SW	29
-+#define BCM63268_TRST_HW	30
-+#define BCM63268_TRST_POR	31
-+
- #endif /* __DT_BINDINGS_RESET_BCM63268_H */

target/linux/bmips/patches-5.15/112-dt-bindings-clock-Add-BCM63268-timer-binding.patch

@@ -1,59 +0,0 @@
-From c17702bad18a085ae913752b45bcc20c2cea879e Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <[email protected]>
-Date: Thu, 25 Feb 2021 19:53:08 +0100
-Subject: [PATCH 3/4] dt-bindings: clock: Add BCM63268 timer binding
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Document the Broadcom BCM63268 Clock and Reset controller.
-
-Signed-off-by: Álvaro Fernández Rojas <[email protected]>
----
- .../clock/brcm,bcm63268-timer-clocks.yaml     | 40 +++++++++++++++++++
- 1 file changed, 40 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/clock/brcm,bcm63268-timer-clocks.yaml
-
---- /dev/null
-+++ b/Documentation/devicetree/bindings/clock/brcm,bcm63268-timer-clocks.yaml
-@@ -0,0 +1,40 @@
-+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-+%YAML 1.2
-+---
-+$id: http://devicetree.org/schemas/clock/brcm,bcm63268-timer-clocks.yaml#
-+$schema: http://devicetree.org/meta-schemas/core.yaml#
-+
-+title: Broadcom BCM63268 Timer Clock and Reset Device Tree Bindings
-+
-+maintainers:
-+  - Álvaro Fernández Rojas <[email protected]>
-+
-+properties:
-+  compatible:
-+    const: brcm,bcm63268-timer-clocks
-+
-+  reg:
-+    maxItems: 1
-+
-+  "#clock-cells":
-+    const: 1
-+
-+  "#reset-cells":
-+    const: 1
-+
-+required:
-+  - compatible
-+  - reg
-+  - "#clock-cells"
-+  - "#reset-cells"
-+
-+additionalProperties: false
-+
-+examples:
-+  - |
-+    timer_clk: clock-controller@100000ac {
-+      compatible = "brcm,bcm63268-timer-clocks";
-+      reg = <0x100000ac 0x4>;
-+      #clock-cells = <1>;
-+      #reset-cells = <1>;
-+    };

target/linux/generic/backport-5.15/080-v5.17-clk-gate-Add-devm_clk_hw_register_gate.patch

@@ -0,0 +1,105 @@
+From 815f0e738a8d5663a02350e2580706829144a722 Mon Sep 17 00:00:00 2001
+From: Horatiu Vultur <[email protected]>
+Date: Wed, 3 Nov 2021 09:50:59 +0100
+Subject: [PATCH] clk: gate: Add devm_clk_hw_register_gate()
+
+Add devm_clk_hw_register_gate() - devres-managed version of
+clk_hw_register_gate()
+
+Suggested-by: Stephen Boyd <[email protected]>
+Signed-off-by: Horatiu Vultur <[email protected]>
+Acked-by: Nicolas Ferre <[email protected]>
+Signed-off-by: Nicolas Ferre <[email protected]>
+Link: https://lore.kernel.org/r/[email protected]
+---
+ drivers/clk/clk-gate.c       | 35 +++++++++++++++++++++++++++++++++++
+ include/linux/clk-provider.h | 23 +++++++++++++++++++++++
+ 2 files changed, 58 insertions(+)
+
+--- a/drivers/clk/clk-gate.c
++++ b/drivers/clk/clk-gate.c
+@@ -7,6 +7,7 @@
+  */
+ 
+ #include <linux/clk-provider.h>
++#include <linux/device.h>
+ #include <linux/module.h>
+ #include <linux/slab.h>
+ #include <linux/io.h>
+@@ -222,3 +223,37 @@ void clk_hw_unregister_gate(struct clk_h
+ 	kfree(gate);
+ }
+ EXPORT_SYMBOL_GPL(clk_hw_unregister_gate);
++
++static void devm_clk_hw_release_gate(struct device *dev, void *res)
++{
++	clk_hw_unregister_gate(*(struct clk_hw **)res);
++}
++
++struct clk_hw *__devm_clk_hw_register_gate(struct device *dev,
++		struct device_node *np, const char *name,
++		const char *parent_name, const struct clk_hw *parent_hw,
++		const struct clk_parent_data *parent_data,
++		unsigned long flags,
++		void __iomem *reg, u8 bit_idx,
++		u8 clk_gate_flags, spinlock_t *lock)
++{
++	struct clk_hw **ptr, *hw;
++
++	ptr = devres_alloc(devm_clk_hw_release_gate, sizeof(*ptr), GFP_KERNEL);
++	if (!ptr)
++		return ERR_PTR(-ENOMEM);
++
++	hw = __clk_hw_register_gate(dev, np, name, parent_name, parent_hw,
++				    parent_data, flags, reg, bit_idx,
++				    clk_gate_flags, lock);
++
++	if (!IS_ERR(hw)) {
++		*ptr = hw;
++		devres_add(dev, ptr);
++	} else {
++		devres_free(ptr);
++	}
++
++	return hw;
++}
++EXPORT_SYMBOL_GPL(__devm_clk_hw_register_gate);
+--- a/include/linux/clk-provider.h
++++ b/include/linux/clk-provider.h
+@@ -490,6 +490,13 @@ struct clk_hw *__clk_hw_register_gate(st
+ 		unsigned long flags,
+ 		void __iomem *reg, u8 bit_idx,
+ 		u8 clk_gate_flags, spinlock_t *lock);
++struct clk_hw *__devm_clk_hw_register_gate(struct device *dev,
++		struct device_node *np, const char *name,
++		const char *parent_name, const struct clk_hw *parent_hw,
++		const struct clk_parent_data *parent_data,
++		unsigned long flags,
++		void __iomem *reg, u8 bit_idx,
++		u8 clk_gate_flags, spinlock_t *lock);
+ struct clk *clk_register_gate(struct device *dev, const char *name,
+ 		const char *parent_name, unsigned long flags,
+ 		void __iomem *reg, u8 bit_idx,
+@@ -544,6 +551,22 @@ struct clk *clk_register_gate(struct dev
+ 	__clk_hw_register_gate((dev), NULL, (name), NULL, NULL, (parent_data), \
+ 			       (flags), (reg), (bit_idx),		      \
+ 			       (clk_gate_flags), (lock))
++/**
++ * devm_clk_hw_register_gate - register a gate clock with the clock framework
++ * @dev: device that is registering this clock
++ * @name: name of this clock
++ * @parent_name: name of this clock's parent
++ * @flags: framework-specific flags for this clock
++ * @reg: register address to control gating of this clock
++ * @bit_idx: which bit in the register controls gating of this clock
++ * @clk_gate_flags: gate-specific flags for this clock
++ * @lock: shared register lock for this clock
++ */
++#define devm_clk_hw_register_gate(dev, name, parent_name, flags, reg, bit_idx,\
++				  clk_gate_flags, lock)			      \
++	__devm_clk_hw_register_gate((dev), NULL, (name), (parent_name), NULL, \
++			       NULL, (flags), (reg), (bit_idx),		      \
++			       (clk_gate_flags), (lock))
+ void clk_unregister_gate(struct clk *clk);
+ void clk_hw_unregister_gate(struct clk_hw *hw);
+ int clk_gate_is_enabled(struct clk_hw *hw);

target/linux/generic/pending-5.15/850-dt-bindings-clk-add-BCM63268-timer-clock-definitions.patch

@@ -0,0 +1,114 @@
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+From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?=  <[email protected]>
+To: [email protected], [email protected], [email protected],
+        [email protected], [email protected],
+        [email protected], [email protected],
+        [email protected], [email protected],
+        [email protected], [email protected]
+Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?=  <[email protected]>,
+ Rob Herring <[email protected]>
+Subject: [PATCH v4 1/4] dt-bindings: clk: add BCM63268 timer clock definitions
+Date: Wed, 22 Mar 2023 18:15:12 +0100
+Message-Id: <[email protected]>
+X-Mailer: git-send-email 2.30.2
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+
+Add missing timer clock definitions for BCM63268.
+
+Signed-off-by: Álvaro Fernández Rojas <[email protected]>
+Acked-by: Rob Herring <[email protected]>
+---
+ v4: no changes
+ v3: no changes
+ v2: change commit title, as suggested by Stephen Boyd
+
+ include/dt-bindings/clock/bcm63268-clock.h | 13 +++++++++++++
+ 1 file changed, 13 insertions(+)
+
+--- a/include/dt-bindings/clock/bcm63268-clock.h
++++ b/include/dt-bindings/clock/bcm63268-clock.h
+@@ -27,4 +27,17 @@
+ #define BCM63268_CLK_TBUS	27
+ #define BCM63268_CLK_ROBOSW250	31
+ 
++#define BCM63268_TCLK_EPHY1		0
++#define BCM63268_TCLK_EPHY2		1
++#define BCM63268_TCLK_EPHY3		2
++#define BCM63268_TCLK_GPHY1		3
++#define BCM63268_TCLK_DSL		4
++#define BCM63268_TCLK_WAKEON_EPHY	6
++#define BCM63268_TCLK_WAKEON_DSL	7
++#define BCM63268_TCLK_FAP1		11
++#define BCM63268_TCLK_FAP2		15
++#define BCM63268_TCLK_UTO_50		16
++#define BCM63268_TCLK_UTO_EXTIN		17
++#define BCM63268_TCLK_USB_REF		18
++
+ #endif /* __DT_BINDINGS_CLOCK_BCM63268_H */

target/linux/generic/pending-5.15/851-dt-bindings-reset-add-BCM63268-timer-reset-definitions.patch

@@ -0,0 +1,107 @@
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+From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?=  <[email protected]>
+To: [email protected], [email protected], [email protected],
+        [email protected], [email protected],
+        [email protected], [email protected],
+        [email protected], [email protected],
+        [email protected], [email protected]
+Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?=  <[email protected]>,
+ Rob Herring <[email protected]>
+Subject: [PATCH v4 2/4] dt-bindings: reset: add BCM63268 timer reset
+ definitions
+Date: Wed, 22 Mar 2023 18:15:13 +0100
+Message-Id: <[email protected]>
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+Add missing timer reset definitions for BCM63268.
+
+Signed-off-by: Álvaro Fernández Rojas <[email protected]>
+Acked-by: Rob Herring <[email protected]>
+---
+ v4: no changes
+ v3: no changes
+ v2: change commit title, as suggested by Stephen Boyd
+
+ include/dt-bindings/reset/bcm63268-reset.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/include/dt-bindings/reset/bcm63268-reset.h
++++ b/include/dt-bindings/reset/bcm63268-reset.h
+@@ -23,4 +23,8 @@
+ #define BCM63268_RST_PCIE_HARD	17
+ #define BCM63268_RST_GPHY	18
+ 
++#define BCM63268_TRST_SW	29
++#define BCM63268_TRST_HW	30
++#define BCM63268_TRST_POR	31
++
+ #endif /* __DT_BINDINGS_RESET_BCM63268_H */

target/linux/bmips/patches-5.15/113-clk-bcm-Add-BCM63268-timer-clock-and-reset-driver.patch → target/linux/generic/pending-5.15/852-clk-bcm-Add-BCM63268-timer-clock-and-reset-driver.patch

@@ -1,19 +1,100 @@
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-Date: Thu, 25 Feb 2021 19:54:04 +0100
-Subject: [PATCH 4/4] clk: bcm: Add BCM63268 timer clock and reset driver
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+Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?=  <[email protected]>
+Subject: [PATCH v4 4/4] clk: bcm: Add BCM63268 timer clock and reset driver
+Date: Wed, 22 Mar 2023 18:15:15 +0100
+Message-Id: <[email protected]>
+X-Mailer: git-send-email 2.30.2
+In-Reply-To: <[email protected]>
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 Add driver for BCM63268 timer clock and reset controller.
 
 Signed-off-by: Álvaro Fernández Rojas <[email protected]>
 ---
+ v4: add changes suggested by Stephen Boyd:
+  - Usage of of_device_get_match_data() isn't needed.
+  - Use devm_clk_hw_register_gate().
+  - Drop clk_hw_unregister_gate().
+ v3: add missing <linux/io.h> include to fix build warning
+ v2: add changes suggested by Stephen Boyd
+
  drivers/clk/bcm/Kconfig              |   9 ++
  drivers/clk/bcm/Makefile             |   1 +
- drivers/clk/bcm/clk-bcm63268-timer.c | 232 +++++++++++++++++++++++++++
- 3 files changed, 242 insertions(+)
+ drivers/clk/bcm/clk-bcm63268-timer.c | 215 +++++++++++++++++++++++++++
+ 3 files changed, 225 insertions(+)
  create mode 100644 drivers/clk/bcm/clk-bcm63268-timer.c
 
 --- a/drivers/clk/bcm/Kconfig
@@ -46,17 +127,17 @@ Signed-off-by: Álvaro Fernández Rojas <[email protected]>
  obj-$(CONFIG_CLK_BCM_KONA)	+= clk-bcm281xx.o
 --- /dev/null
 +++ b/drivers/clk/bcm/clk-bcm63268-timer.c
-@@ -0,0 +1,232 @@
+@@ -0,0 +1,215 @@
 +// SPDX-License-Identifier: GPL-2.0
 +/*
 + * BCM63268 Timer Clock and Reset Controller Driver
 + *
-+ * Copyright (C) 2021 Álvaro Fernández Rojas <[email protected]>
++ * Copyright (C) 2023 Álvaro Fernández Rojas <[email protected]>
 + */
 +
 +#include <linux/clk-provider.h>
 +#include <linux/delay.h>
-+#include <linux/init.h>
++#include <linux/io.h>
 +#include <linux/of.h>
 +#include <linux/of_device.h>
 +#include <linux/platform_device.h>
@@ -78,7 +159,6 @@ Signed-off-by: Álvaro Fernández Rojas <[email protected]>
 +struct bcm63268_tclk_table_entry {
 +	const char * const name;
 +	u8 bit;
-+	unsigned long flags;
 +};
 +
 +static const struct bcm63268_tclk_table_entry bcm63268_timer_clocks[] = {
@@ -197,17 +277,14 @@ Signed-off-by: Álvaro Fernández Rojas <[email protected]>
 +static int bcm63268_tclk_probe(struct platform_device *pdev)
 +{
 +	struct device *dev = &pdev->dev;
-+	const struct bcm63268_tclk_table_entry *entry, *table;
++	const struct bcm63268_tclk_table_entry *entry;
 +	struct bcm63268_tclkrst_hw *hw;
++	struct clk_hw *clk;
 +	u8 maxbit = 0;
 +	int i, ret;
 +
-+	table = of_device_get_match_data(dev);
-+	if (!table)
-+		return -EINVAL;
-+
-+	for (entry = table; entry->name; entry++)
-+		maxbit = max_t(u8, maxbit, entry->bit);
++	for (entry = bcm63268_timer_clocks; entry->name; entry++)
++		maxbit = max(maxbit, entry->bit);
 +	maxbit++;
 +
 +	hw = devm_kzalloc(&pdev->dev, struct_size(hw, data.hws, maxbit),
@@ -227,24 +304,21 @@ Signed-off-by: Álvaro Fernández Rojas <[email protected]>
 +	if (IS_ERR(hw->regs))
 +		return PTR_ERR(hw->regs);
 +
-+	for (entry = table; entry->name; entry++) {
-+		struct clk_hw *clk;
-+
-+		clk = clk_hw_register_gate(dev, entry->name, NULL,
-+					   entry->flags, hw->regs, entry->bit,
-+					   CLK_GATE_BIG_ENDIAN, &hw->lock);
-+		if (IS_ERR(clk)) {
-+			ret = PTR_ERR(clk);
-+			goto out_err;
-+		}
++	for (entry = bcm63268_timer_clocks; entry->name; entry++) {
++		clk = devm_clk_hw_register_gate(dev, entry->name, NULL, 0,
++						hw->regs, entry->bit,
++						CLK_GATE_BIG_ENDIAN,
++						&hw->lock);
++		if (IS_ERR(clk))
++			return PTR_ERR(clk);
 +
 +		hw->data.hws[entry->bit] = clk;
 +	}
 +
-+	ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
-+				     &hw->data);
-+	if (!ret)
-+		return 0;
++	ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
++					  &hw->data);
++	if (ret)
++		return ret;
 +
 +	hw->rcdev.of_node = dev->of_node;
 +	hw->rcdev.ops = &bcm63268_timer_reset_ops;
@@ -253,22 +327,12 @@ Signed-off-by: Álvaro Fernández Rojas <[email protected]>
 +	if (ret)
 +		dev_err(dev, "Failed to register reset controller\n");
 +
-+out_err:
-+	for (i = 0; i < hw->data.num; i++) {
-+		if (!IS_ERR(hw->data.hws[i]))
-+			clk_hw_unregister_gate(hw->data.hws[i]);
-+	}
-+
-+	return ret;
++	return 0;
 +}
 +
 +static const struct of_device_id bcm63268_tclk_dt_ids[] = {
-+	{
-+		.compatible = "brcm,bcm63268-timer-clocks",
-+		.data = &bcm63268_timer_clocks,
-+	}, {
-+		/* sentinel */
-+	}
++	{ .compatible = "brcm,bcm63268-timer-clocks" },
++	{ /* sentinel */ }
 +};
 +
 +static struct platform_driver bcm63268_tclk = {