From: "Théo Lebrun" <theo.lebrun@bootlin.com>
To: Gregory CLEMENT <gregory.clement@bootlin.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: "Vladimir Kondratiev" <vladimir.kondratiev@mobileye.com>,
linux-mips@vger.kernel.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
"Tawfik Bayouk" <tawfik.bayouk@mobileye.com>,
"Théo Lebrun" <theo.lebrun@bootlin.com>
Subject: [PATCH v2 2/6] clk: fixed-factor: add fwname-based constructor functions
Date: Wed, 27 Dec 2023 17:23:52 +0100 [thread overview]
Message-ID: <20231227-mbly-clk-v2-2-a05db63c380f@bootlin.com> (raw)
In-Reply-To: <20231227-mbly-clk-v2-0-a05db63c380f@bootlin.com>
Add four functions to register clk_hw based on the fw_name field in
clk_parent_data, ie the value in the DT property `clock-names`.
There are variants for devm or not and passing an accuracy or not
passing one:
- clk_hw_register_fixed_factor_fwname
- clk_hw_register_fixed_factor_with_accuracy_fwname
- devm_clk_hw_register_fixed_factor_fwname
- devm_clk_hw_register_fixed_factor_with_accuracy_fwname
The `struct clk_parent_data` init is extracted from
__clk_hw_register_fixed_factor to each calling function. It is required
to allow each function to pass whatever field they want, not only index.
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
---
drivers/clk/clk-fixed-factor.c | 76 ++++++++++++++++++++++++++++++++++--------
include/linux/clk-provider.h | 14 ++++++++
2 files changed, 76 insertions(+), 14 deletions(-)
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index bc2644a9bd7d..5fa03ae1bbdb 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -91,13 +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,
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;
@@ -128,7 +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;
@@ -165,7 +164,8 @@ 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,
+ 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);
@@ -187,8 +187,9 @@ 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, 0, 0, true);
+ &pdata, flags, mult, div, 0, 0, true);
}
EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_parent_hw);
@@ -196,9 +197,9 @@ 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,
- 0, 0, 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);
@@ -206,11 +207,34 @@ 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, 0, 0, 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)
@@ -253,16 +277,40 @@ 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, 0, 0, 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;
@@ -280,8 +328,8 @@ 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, 0, 0, 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
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 7ddc952c8c67..4a537260f655 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -1116,10 +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);
--
2.43.0
next prev parent reply other threads:[~2023-12-27 16:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-27 16:23 [PATCH v2 0/6] Add support for Mobileye EyeQ5 clock controller Théo Lebrun
2023-12-27 16:23 ` [PATCH v2 1/6] clk: fixed-factor: add optional accuracy support Théo Lebrun
2023-12-27 16:23 ` Théo Lebrun [this message]
2023-12-27 16:23 ` [PATCH v2 3/6] dt-bindings: soc: mobileye: add EyeQ5 OLB system controller Théo Lebrun
2023-12-27 18:27 ` Rob Herring
2023-12-28 14:57 ` Théo Lebrun
2024-01-09 3:44 ` Rob Herring
2023-12-28 7:21 ` Krzysztof Kozlowski
2023-12-28 14:59 ` Théo Lebrun
2023-12-27 16:23 ` [PATCH v2 4/6] dt-bindings: clock: mobileye,eyeq5-clk: add bindings Théo Lebrun
2023-12-28 7:23 ` Krzysztof Kozlowski
2023-12-27 16:23 ` [PATCH v2 5/6] clk: eyeq5: add platform driver Théo Lebrun
2023-12-27 16:23 ` [PATCH v2 6/6] MIPS: mobileye: eyeq5: use OLB clocks controller Théo Lebrun
2023-12-28 7:24 ` Krzysztof Kozlowski
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