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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 <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
parent
d2fc620d0a
commit
a97965b7b1
@ -1,35 +0,0 @@
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From 5a079515cb3066aeb658634301a98871b47c2af4 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Thu, 25 Feb 2021 19:44:22 +0100
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Subject: [PATCH 1/4] mips: bmips: add BCM63268 timer clock definitions
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Add missing timer clock definitions for BCM63268.
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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---
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include/dt-bindings/clock/bcm63268-clock.h | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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--- a/include/dt-bindings/clock/bcm63268-clock.h
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+++ b/include/dt-bindings/clock/bcm63268-clock.h
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@@ -27,4 +27,17 @@
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#define BCM63268_CLK_TBUS 27
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#define BCM63268_CLK_ROBOSW250 31
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+#define BCM63268_TCLK_EPHY1 0
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+#define BCM63268_TCLK_EPHY2 1
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+#define BCM63268_TCLK_EPHY3 2
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+#define BCM63268_TCLK_GPHY1 3
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+#define BCM63268_TCLK_DSL 4
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+#define BCM63268_TCLK_WAKEON_EPHY 6
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+#define BCM63268_TCLK_WAKEON_DSL 7
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+#define BCM63268_TCLK_FAP1 11
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+#define BCM63268_TCLK_FAP2 15
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+#define BCM63268_TCLK_UTO_50 16
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+#define BCM63268_TCLK_UTO_EXTIN 17
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+#define BCM63268_TCLK_USB_REF 18
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+
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#endif /* __DT_BINDINGS_CLOCK_BCM63268_H */
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@ -1,26 +0,0 @@
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From 3327df17635dd9d24a855ac6b7247fac381514cf Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Thu, 25 Feb 2021 19:45:04 +0100
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Subject: [PATCH 2/4] mips: bmips: add BCM63268 timer reset definitions
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Add missing timer reset definitions for BCM63268.
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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---
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include/dt-bindings/reset/bcm63268-reset.h | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/include/dt-bindings/reset/bcm63268-reset.h
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+++ b/include/dt-bindings/reset/bcm63268-reset.h
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@@ -23,4 +23,8 @@
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#define BCM63268_RST_PCIE_HARD 17
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#define BCM63268_RST_GPHY 18
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+#define BCM63268_TRST_SW 29
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+#define BCM63268_TRST_HW 30
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+#define BCM63268_TRST_POR 31
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+
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#endif /* __DT_BINDINGS_RESET_BCM63268_H */
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@ -1,59 +0,0 @@
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From c17702bad18a085ae913752b45bcc20c2cea879e Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Thu, 25 Feb 2021 19:53:08 +0100
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Subject: [PATCH 3/4] dt-bindings: clock: Add BCM63268 timer binding
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Document the Broadcom BCM63268 Clock and Reset controller.
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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---
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.../clock/brcm,bcm63268-timer-clocks.yaml | 40 +++++++++++++++++++
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1 file changed, 40 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/clock/brcm,bcm63268-timer-clocks.yaml
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/clock/brcm,bcm63268-timer-clocks.yaml
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@@ -0,0 +1,40 @@
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/clock/brcm,bcm63268-timer-clocks.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Broadcom BCM63268 Timer Clock and Reset Device Tree Bindings
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+
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+maintainers:
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+ - Álvaro Fernández Rojas <noltari@gmail.com>
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+
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+properties:
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+ compatible:
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+ const: brcm,bcm63268-timer-clocks
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+
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+ reg:
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+ maxItems: 1
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+
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+ "#clock-cells":
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+ const: 1
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+
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+ "#reset-cells":
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+ const: 1
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+
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+required:
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+ - compatible
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+ - reg
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+ - "#clock-cells"
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+ - "#reset-cells"
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+
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+additionalProperties: false
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+
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+examples:
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+ - |
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+ timer_clk: clock-controller@100000ac {
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+ compatible = "brcm,bcm63268-timer-clocks";
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+ reg = <0x100000ac 0x4>;
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+ #clock-cells = <1>;
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+ #reset-cells = <1>;
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+ };
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@ -0,0 +1,105 @@
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From 815f0e738a8d5663a02350e2580706829144a722 Mon Sep 17 00:00:00 2001
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From: Horatiu Vultur <horatiu.vultur@microchip.com>
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Date: Wed, 3 Nov 2021 09:50:59 +0100
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Subject: [PATCH] clk: gate: Add devm_clk_hw_register_gate()
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Add devm_clk_hw_register_gate() - devres-managed version of
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clk_hw_register_gate()
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Suggested-by: Stephen Boyd <sboyd@kernel.org>
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Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
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Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
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Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
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Link: https://lore.kernel.org/r/20211103085102.1656081-2-horatiu.vultur@microchip.com
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---
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drivers/clk/clk-gate.c | 35 +++++++++++++++++++++++++++++++++++
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include/linux/clk-provider.h | 23 +++++++++++++++++++++++
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2 files changed, 58 insertions(+)
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--- a/drivers/clk/clk-gate.c
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+++ b/drivers/clk/clk-gate.c
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@@ -7,6 +7,7 @@
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*/
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#include <linux/clk-provider.h>
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+#include <linux/device.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/io.h>
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@@ -222,3 +223,37 @@ void clk_hw_unregister_gate(struct clk_h
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kfree(gate);
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}
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EXPORT_SYMBOL_GPL(clk_hw_unregister_gate);
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+
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+static void devm_clk_hw_release_gate(struct device *dev, void *res)
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+{
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+ clk_hw_unregister_gate(*(struct clk_hw **)res);
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+}
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+
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+struct clk_hw *__devm_clk_hw_register_gate(struct device *dev,
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+ struct device_node *np, const char *name,
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+ const char *parent_name, const struct clk_hw *parent_hw,
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+ const struct clk_parent_data *parent_data,
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+ unsigned long flags,
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+ void __iomem *reg, u8 bit_idx,
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+ u8 clk_gate_flags, spinlock_t *lock)
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+{
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+ struct clk_hw **ptr, *hw;
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+
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+ ptr = devres_alloc(devm_clk_hw_release_gate, sizeof(*ptr), GFP_KERNEL);
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+ if (!ptr)
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+ return ERR_PTR(-ENOMEM);
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+
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+ hw = __clk_hw_register_gate(dev, np, name, parent_name, parent_hw,
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+ parent_data, flags, reg, bit_idx,
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+ clk_gate_flags, lock);
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+
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+ if (!IS_ERR(hw)) {
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+ *ptr = hw;
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+ devres_add(dev, ptr);
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+ } else {
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+ devres_free(ptr);
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+ }
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+
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+ return hw;
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+}
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+EXPORT_SYMBOL_GPL(__devm_clk_hw_register_gate);
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--- a/include/linux/clk-provider.h
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+++ b/include/linux/clk-provider.h
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@@ -490,6 +490,13 @@ struct clk_hw *__clk_hw_register_gate(st
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unsigned long flags,
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void __iomem *reg, u8 bit_idx,
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u8 clk_gate_flags, spinlock_t *lock);
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+struct clk_hw *__devm_clk_hw_register_gate(struct device *dev,
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+ struct device_node *np, const char *name,
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+ const char *parent_name, const struct clk_hw *parent_hw,
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+ const struct clk_parent_data *parent_data,
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+ unsigned long flags,
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+ void __iomem *reg, u8 bit_idx,
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+ u8 clk_gate_flags, spinlock_t *lock);
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struct clk *clk_register_gate(struct device *dev, const char *name,
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const char *parent_name, unsigned long flags,
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void __iomem *reg, u8 bit_idx,
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@@ -544,6 +551,22 @@ struct clk *clk_register_gate(struct dev
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__clk_hw_register_gate((dev), NULL, (name), NULL, NULL, (parent_data), \
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(flags), (reg), (bit_idx), \
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(clk_gate_flags), (lock))
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+/**
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+ * devm_clk_hw_register_gate - register a gate clock with the clock framework
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+ * @dev: device that is registering this clock
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+ * @name: name of this clock
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+ * @parent_name: name of this clock's parent
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+ * @flags: framework-specific flags for this clock
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+ * @reg: register address to control gating of this clock
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+ * @bit_idx: which bit in the register controls gating of this clock
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+ * @clk_gate_flags: gate-specific flags for this clock
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+ * @lock: shared register lock for this clock
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+ */
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+#define devm_clk_hw_register_gate(dev, name, parent_name, flags, reg, bit_idx,\
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+ clk_gate_flags, lock) \
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+ __devm_clk_hw_register_gate((dev), NULL, (name), (parent_name), NULL, \
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+ NULL, (flags), (reg), (bit_idx), \
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+ (clk_gate_flags), (lock))
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void clk_unregister_gate(struct clk *clk);
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void clk_hw_unregister_gate(struct clk_hw *hw);
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int clk_gate_is_enabled(struct clk_hw *hw);
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@ -0,0 +1,114 @@
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Subject: [PATCH v4 1/4] dt-bindings: clk: add BCM63268 timer clock definitions
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Date: Wed, 22 Mar 2023 18:15:12 +0100
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Add missing timer clock definitions for BCM63268.
|
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
|
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Acked-by: Rob Herring <robh@kernel.org>
|
||||
---
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||||
v4: no changes
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||||
v3: no changes
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||||
v2: change commit title, as suggested by Stephen Boyd
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include/dt-bindings/clock/bcm63268-clock.h | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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||||
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--- a/include/dt-bindings/clock/bcm63268-clock.h
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+++ b/include/dt-bindings/clock/bcm63268-clock.h
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@@ -27,4 +27,17 @@
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#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 */
|
||||
@ -0,0 +1,107 @@
|
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From patchwork Wed Mar 22 17:15:13 2023
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To: mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org,
|
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krzysztof.kozlowski+dt@linaro.org, p.zabel@pengutronix.de,
|
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Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>,
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Rob Herring <robh@kernel.org>
|
||||
Subject: [PATCH v4 2/4] dt-bindings: reset: add BCM63268 timer reset
|
||||
definitions
|
||||
Date: Wed, 22 Mar 2023 18:15:13 +0100
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||||
Add missing timer reset definitions for BCM63268.
|
||||
|
||||
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
|
||||
Acked-by: Rob Herring <robh@kernel.org>
|
||||
---
|
||||
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 */
|
||||
@ -1,19 +1,100 @@
|
||||
From 3c8dd9d0937a19f3f20f28ba0b0b64f448d50dd4 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
|
||||
Date: Thu, 25 Feb 2021 19:54:04 +0100
|
||||
Subject: [PATCH 4/4] clk: bcm: Add BCM63268 timer clock and reset driver
|
||||
From patchwork Wed Mar 22 17:15:15 2023
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|
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To: mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org,
|
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krzysztof.kozlowski+dt@linaro.org, p.zabel@pengutronix.de,
|
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||||
Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
|
||||
Subject: [PATCH v4 4/4] clk: bcm: Add BCM63268 timer clock and reset driver
|
||||
Date: Wed, 22 Mar 2023 18:15:15 +0100
|
||||
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|
||||
Add driver for BCM63268 timer clock and reset controller.
|
||||
|
||||
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
|
||||
---
|
||||
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 <noltari@gmail.com>
|
||||
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 <noltari@gmail.com>
|
||||
+ * Copyright (C) 2023 Álvaro Fernández Rojas <noltari@gmail.com>
|
||||
+ */
|
||||
+
|
||||
+#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 <noltari@gmail.com>
|
||||
+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 <noltari@gmail.com>
|
||||
+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 <noltari@gmail.com>
|
||||
+ 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 <noltari@gmail.com>
|
||||
+ 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 = {
|
||||
Loading…
Reference in New Issue
Block a user