[PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Jingchang Lu]

The IP is shared by PPC and ARM, this renames it to qoriq for better
represention, and this also adds the CLK_OF_DECLARE support for being
initialized by of_clk_init() on ARM.

Signed-off-by: Jingchang Lu <jingchang.lu@freescale.com>
---
changes in v4:
 remove "corenet" literals omitted in v3 remove.

changes in v3:
 generate the patch with -M -C option

changes in v2:
 rename the driver name to ppc-qoriq.c for shared on PPC and ARM.

 drivers/clk/Kconfig                            |  9 +++++----
 drivers/clk/Makefile                           |  2 +-
 drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} | 27 +++++++++++++++-----------
 3 files changed, 22 insertions(+), 16 deletions(-)
 rename drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} (89%)

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 85131ae..f5f76cb 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -92,12 +92,13 @@ config COMMON_CLK_AXI_CLKGEN
 	  Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx
 	  FPGAs. It is commonly used in Analog Devices' reference designs.
 
-config CLK_PPC_CORENET
-	bool "Clock driver for PowerPC corenet platforms"
-	depends on PPC_E500MC && OF
+config CLK_QORIQ
+	bool "Clock driver for PowerPC corenet and compatible ARM-based platforms"
+	depends on (PPC_E500MC || ARM) && OF
 	---help---
 	  This adds the clock driver support for Freescale PowerPC corenet
-	  platforms using common clock framework.
+	  platforms and compatible Freescale ARM based platforms using common
+	  clock framework.
 
 config COMMON_CLK_XGENE
 	bool "Clock driver for APM XGene SoC"
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 27c542b..20f42e9 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -29,7 +29,7 @@ obj-$(CONFIG_ARCH_MOXART)		+= clk-moxart.o
 obj-$(CONFIG_ARCH_NOMADIK)		+= clk-nomadik.o
 obj-$(CONFIG_ARCH_NSPIRE)		+= clk-nspire.o
 obj-$(CONFIG_COMMON_CLK_PALMAS)		+= clk-palmas.o
-obj-$(CONFIG_CLK_PPC_CORENET)		+= clk-ppc-corenet.o
+obj-$(CONFIG_CLK_QORIQ)			+= clk-qoriq.o
 obj-$(CONFIG_COMMON_CLK_S2MPS11)	+= clk-s2mps11.o
 obj-$(CONFIG_COMMON_CLK_SI5351)		+= clk-si5351.o
 obj-$(CONFIG_COMMON_CLK_SI570)		+= clk-si570.o
diff --git a/drivers/clk/clk-ppc-corenet.c b/drivers/clk/clk-qoriq.c
similarity index 89%
rename from drivers/clk/clk-ppc-corenet.c
rename to drivers/clk/clk-qoriq.c
index 8e58edf..cba8abe 100644
--- a/drivers/clk/clk-ppc-corenet.c
+++ b/drivers/clk/clk-qoriq.c
@@ -155,7 +155,7 @@ static void __init core_pll_init(struct device_node *np)
 
 	base = of_iomap(np, 0);
 	if (!base) {
-		pr_err("clk-ppc: iomap error\n");
+		pr_err("clk-qoriq: iomap error\n");
 		return;
 	}
 
@@ -252,7 +252,7 @@ static void __init sysclk_init(struct device_node *node)
 	u32 rate;
 
 	if (!np) {
-		pr_err("ppc-clk: could not get parent node\n");
+		pr_err("qoriq-clk: could not get parent node\n");
 		return;
 	}
 
@@ -278,30 +278,35 @@ static const struct of_device_id clk_match[] __initconst = {
 	{}
 };
 
-static int __init ppc_corenet_clk_probe(struct platform_device *pdev)
+static int __init qoriq_clk_probe(struct platform_device *pdev)
 {
 	of_clk_init(clk_match);
 
 	return 0;
 }
 
-static const struct of_device_id ppc_clk_ids[] __initconst = {
+static const struct of_device_id qoriq_clk_ids[] __initconst = {
 	{ .compatible = "fsl,qoriq-clockgen-1.0", },
 	{ .compatible = "fsl,qoriq-clockgen-2.0", },
 	{}
 };
 
-static struct platform_driver ppc_corenet_clk_driver __initdata = {
+static struct platform_driver qoriq_clk_driver __initdata = {
 	.driver = {
-		.name = "ppc_corenet_clock",
+		.name = "qoriq_clock",
 		.owner = THIS_MODULE,
-		.of_match_table = ppc_clk_ids,
+		.of_match_table = qoriq_clk_ids,
 	},
-	.probe = ppc_corenet_clk_probe,
+	.probe = qoriq_clk_probe,
 };
 
-static int __init ppc_corenet_clk_init(void)
+static int __init qoriq_clk_init(void)
 {
-	return platform_driver_register(&ppc_corenet_clk_driver);
+	return platform_driver_register(&qoriq_clk_driver);
 }
-subsys_initcall(ppc_corenet_clk_init);
+subsys_initcall(qoriq_clk_init);
+
+CLK_OF_DECLARE(qoriq_core_pll_v1, "fsl,qoriq-core-pll-1.0", core_pll_init);
+CLK_OF_DECLARE(qoriq_core_pll_v2, "fsl,qoriq-core-pll-2.0", core_pll_init);
+CLK_OF_DECLARE(qoriq_core_mux_v1, "fsl,qoriq-core-mux-1.0", core_mux_init);
+CLK_OF_DECLARE(qoriq_core_mux_v2, "fsl,qoriq-core-mux-2.0", core_mux_init);
-- 
1.8.0

RE: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Jingchang Lu]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="utf-8", Size: 5186 bytes --]

Hi, Scott and Mike,
  
  Could you please help review this patch and give an ACK if ok. Thanks.

Best Regards,
Jingchang

>-----Original Message-----
>From: Jingchang Lu [mailto:jingchang.lu@freescale.com]
>Sent: Tuesday, September 23, 2014 2:47 PM
>To: mturquette@linaro.org
>Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org; linux-
>kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; Lu
>Jingchang-B35083
>Subject: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add
>CLK_OF_DECLARE support
>
>The IP is shared by PPC and ARM, this renames it to qoriq for better
>represention, and this also adds the CLK_OF_DECLARE support for being
>initialized by of_clk_init() on ARM.
>
>Signed-off-by: Jingchang Lu <jingchang.lu@freescale.com>
>---
>changes in v4:
> remove "corenet" literals omitted in v3 remove.
>
>changes in v3:
> generate the patch with -M -C option
>
>changes in v2:
> rename the driver name to ppc-qoriq.c for shared on PPC and ARM.
>
> drivers/clk/Kconfig                            |  9 +++++----
> drivers/clk/Makefile                           |  2 +-
> drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} | 27 +++++++++++++++------
>-----
> 3 files changed, 22 insertions(+), 16 deletions(-)  rename
>drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} (89%)
>
>diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index
>85131ae..f5f76cb 100644
>--- a/drivers/clk/Kconfig
>+++ b/drivers/clk/Kconfig
>@@ -92,12 +92,13 @@ config COMMON_CLK_AXI_CLKGEN
> 	  Support for the Analog Devices axi-clkgen pcore clock generator
>for Xilinx
> 	  FPGAs. It is commonly used in Analog Devices' reference designs.
>
>-config CLK_PPC_CORENET
>-	bool "Clock driver for PowerPC corenet platforms"
>-	depends on PPC_E500MC && OF
>+config CLK_QORIQ
>+	bool "Clock driver for PowerPC corenet and compatible ARM-based
>platforms"
>+	depends on (PPC_E500MC || ARM) && OF
> 	---help---
> 	  This adds the clock driver support for Freescale PowerPC corenet
>-	  platforms using common clock framework.
>+	  platforms and compatible Freescale ARM based platforms using
>common
>+	  clock framework.
>
> config COMMON_CLK_XGENE
> 	bool "Clock driver for APM XGene SoC"
>diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index
>27c542b..20f42e9 100644
>--- a/drivers/clk/Makefile
>+++ b/drivers/clk/Makefile
>@@ -29,7 +29,7 @@ obj-$(CONFIG_ARCH_MOXART)		+= clk-moxart.o
> obj-$(CONFIG_ARCH_NOMADIK)		+= clk-nomadik.o
> obj-$(CONFIG_ARCH_NSPIRE)		+= clk-nspire.o
> obj-$(CONFIG_COMMON_CLK_PALMAS)		+= clk-palmas.o
>-obj-$(CONFIG_CLK_PPC_CORENET)		+= clk-ppc-corenet.o
>+obj-$(CONFIG_CLK_QORIQ)			+= clk-qoriq.o
> obj-$(CONFIG_COMMON_CLK_S2MPS11)	+= clk-s2mps11.o
> obj-$(CONFIG_COMMON_CLK_SI5351)		+= clk-si5351.o
> obj-$(CONFIG_COMMON_CLK_SI570)		+= clk-si570.o
>diff --git a/drivers/clk/clk-ppc-corenet.c b/drivers/clk/clk-qoriq.c
>similarity index 89% rename from drivers/clk/clk-ppc-corenet.c rename to
>drivers/clk/clk-qoriq.c index 8e58edf..cba8abe 100644
>--- a/drivers/clk/clk-ppc-corenet.c
>+++ b/drivers/clk/clk-qoriq.c
>@@ -155,7 +155,7 @@ static void __init core_pll_init(struct device_node
>*np)
>
> 	base = of_iomap(np, 0);
> 	if (!base) {
>-		pr_err("clk-ppc: iomap error\n");
>+		pr_err("clk-qoriq: iomap error\n");
> 		return;
> 	}
>
>@@ -252,7 +252,7 @@ static void __init sysclk_init(struct device_node
>*node)
> 	u32 rate;
>
> 	if (!np) {
>-		pr_err("ppc-clk: could not get parent node\n");
>+		pr_err("qoriq-clk: could not get parent node\n");
> 		return;
> 	}
>
>@@ -278,30 +278,35 @@ static const struct of_device_id clk_match[]
>__initconst = {
> 	{}
> };
>
>-static int __init ppc_corenet_clk_probe(struct platform_device *pdev)
>+static int __init qoriq_clk_probe(struct platform_device *pdev)
> {
> 	of_clk_init(clk_match);
>
> 	return 0;
> }
>
>-static const struct of_device_id ppc_clk_ids[] __initconst = {
>+static const struct of_device_id qoriq_clk_ids[] __initconst = {
> 	{ .compatible = "fsl,qoriq-clockgen-1.0", },
> 	{ .compatible = "fsl,qoriq-clockgen-2.0", },
> 	{}
> };
>
>-static struct platform_driver ppc_corenet_clk_driver __initdata = {
>+static struct platform_driver qoriq_clk_driver __initdata = {
> 	.driver = {
>-		.name = "ppc_corenet_clock",
>+		.name = "qoriq_clock",
> 		.owner = THIS_MODULE,
>-		.of_match_table = ppc_clk_ids,
>+		.of_match_table = qoriq_clk_ids,
> 	},
>-	.probe = ppc_corenet_clk_probe,
>+	.probe = qoriq_clk_probe,
> };
>
>-static int __init ppc_corenet_clk_init(void)
>+static int __init qoriq_clk_init(void)
> {
>-	return platform_driver_register(&ppc_corenet_clk_driver);
>+	return platform_driver_register(&qoriq_clk_driver);
> }
>-subsys_initcall(ppc_corenet_clk_init);
>+subsys_initcall(qoriq_clk_init);
>+
>+CLK_OF_DECLARE(qoriq_core_pll_v1, "fsl,qoriq-core-pll-1.0",
>+core_pll_init); CLK_OF_DECLARE(qoriq_core_pll_v2,
>+"fsl,qoriq-core-pll-2.0", core_pll_init);
>+CLK_OF_DECLARE(qoriq_core_mux_v1, "fsl,qoriq-core-mux-1.0",
>+core_mux_init); CLK_OF_DECLARE(qoriq_core_mux_v2,
>+"fsl,qoriq-core-mux-2.0", core_mux_init);
>--
>1.8.0

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Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Laurentiu Tudor]

Hi Jingchang,

On 09/23/2014 09:46 AM, Jingchang Lu wrote:
> The IP is shared by PPC and ARM, this renames it to qoriq for better
> represention, and this also adds the CLK_OF_DECLARE support for being
> initialized by of_clk_init() on ARM.
> 

I think you need to also update drivers/cpufreq/Kconfig.powerpc
to use the renamed config option.

---
Best Regards, Laurentiu

Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Scott Wood]

Well, like I said, I'd rather see the CLK_OF_DECLARE stuff be made to
work on PPC rather than have the driver carry around two binding
methods.

-Scott

On Thu, 2014-09-25 at 04:47 -0500, Lu Jingchang-B35083 wrote:
> Hi, Scott and Mike,
>   
>   Could you please help review this patch and give an ACK if ok. Thanks.
> 
> Best Regards,
> Jingchang
> 
> >-----Original Message-----
> >From: Jingchang Lu [mailto:jingchang.lu@freescale.com]
> >Sent: Tuesday, September 23, 2014 2:47 PM
> >To: mturquette@linaro.org
> >Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org; linux-
> >kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; Lu
> >Jingchang-B35083
> >Subject: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add
> >CLK_OF_DECLARE support
> >
> >The IP is shared by PPC and ARM, this renames it to qoriq for better
> >represention, and this also adds the CLK_OF_DECLARE support for being
> >initialized by of_clk_init() on ARM.
> >
> >Signed-off-by: Jingchang Lu <jingchang.lu@freescale.com>
> >---
> >changes in v4:
> > remove "corenet" literals omitted in v3 remove.
> >
> >changes in v3:
> > generate the patch with -M -C option
> >
> >changes in v2:
> > rename the driver name to ppc-qoriq.c for shared on PPC and ARM.
> >
> > drivers/clk/Kconfig                            |  9 +++++----
> > drivers/clk/Makefile                           |  2 +-
> > drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} | 27 +++++++++++++++------
> >-----
> > 3 files changed, 22 insertions(+), 16 deletions(-)  rename
> >drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} (89%)
> >
> >diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index
> >85131ae..f5f76cb 100644
> >--- a/drivers/clk/Kconfig
> >+++ b/drivers/clk/Kconfig
> >@@ -92,12 +92,13 @@ config COMMON_CLK_AXI_CLKGEN
> > 	  Support for the Analog Devices axi-clkgen pcore clock generator
> >for Xilinx
> > 	  FPGAs. It is commonly used in Analog Devices' reference designs.
> >
> >-config CLK_PPC_CORENET
> >-	bool "Clock driver for PowerPC corenet platforms"
> >-	depends on PPC_E500MC && OF
> >+config CLK_QORIQ
> >+	bool "Clock driver for PowerPC corenet and compatible ARM-based
> >platforms"
> >+	depends on (PPC_E500MC || ARM) && OF
> > 	---help---
> > 	  This adds the clock driver support for Freescale PowerPC corenet
> >-	  platforms using common clock framework.
> >+	  platforms and compatible Freescale ARM based platforms using
> >common
> >+	  clock framework.
> >
> > config COMMON_CLK_XGENE
> > 	bool "Clock driver for APM XGene SoC"
> >diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index
> >27c542b..20f42e9 100644
> >--- a/drivers/clk/Makefile
> >+++ b/drivers/clk/Makefile
> >@@ -29,7 +29,7 @@ obj-$(CONFIG_ARCH_MOXART)		+= clk-moxart.o
> > obj-$(CONFIG_ARCH_NOMADIK)		+= clk-nomadik.o
> > obj-$(CONFIG_ARCH_NSPIRE)		+= clk-nspire.o
> > obj-$(CONFIG_COMMON_CLK_PALMAS)		+= clk-palmas.o
> >-obj-$(CONFIG_CLK_PPC_CORENET)		+= clk-ppc-corenet.o
> >+obj-$(CONFIG_CLK_QORIQ)			+= clk-qoriq.o
> > obj-$(CONFIG_COMMON_CLK_S2MPS11)	+= clk-s2mps11.o
> > obj-$(CONFIG_COMMON_CLK_SI5351)		+= clk-si5351.o
> > obj-$(CONFIG_COMMON_CLK_SI570)		+= clk-si570.o
> >diff --git a/drivers/clk/clk-ppc-corenet.c b/drivers/clk/clk-qoriq.c
> >similarity index 89% rename from drivers/clk/clk-ppc-corenet.c rename to
> >drivers/clk/clk-qoriq.c index 8e58edf..cba8abe 100644
> >--- a/drivers/clk/clk-ppc-corenet.c
> >+++ b/drivers/clk/clk-qoriq.c
> >@@ -155,7 +155,7 @@ static void __init core_pll_init(struct device_node
> >*np)
> >
> > 	base = of_iomap(np, 0);
> > 	if (!base) {
> >-		pr_err("clk-ppc: iomap error\n");
> >+		pr_err("clk-qoriq: iomap error\n");
> > 		return;
> > 	}
> >
> >@@ -252,7 +252,7 @@ static void __init sysclk_init(struct device_node
> >*node)
> > 	u32 rate;
> >
> > 	if (!np) {
> >-		pr_err("ppc-clk: could not get parent node\n");
> >+		pr_err("qoriq-clk: could not get parent node\n");
> > 		return;
> > 	}
> >
> >@@ -278,30 +278,35 @@ static const struct of_device_id clk_match[]
> >__initconst = {
> > 	{}
> > };
> >
> >-static int __init ppc_corenet_clk_probe(struct platform_device *pdev)
> >+static int __init qoriq_clk_probe(struct platform_device *pdev)
> > {
> > 	of_clk_init(clk_match);
> >
> > 	return 0;
> > }
> >
> >-static const struct of_device_id ppc_clk_ids[] __initconst = {
> >+static const struct of_device_id qoriq_clk_ids[] __initconst = {
> > 	{ .compatible = "fsl,qoriq-clockgen-1.0", },
> > 	{ .compatible = "fsl,qoriq-clockgen-2.0", },
> > 	{}
> > };
> >
> >-static struct platform_driver ppc_corenet_clk_driver __initdata = {
> >+static struct platform_driver qoriq_clk_driver __initdata = {
> > 	.driver = {
> >-		.name = "ppc_corenet_clock",
> >+		.name = "qoriq_clock",
> > 		.owner = THIS_MODULE,
> >-		.of_match_table = ppc_clk_ids,
> >+		.of_match_table = qoriq_clk_ids,
> > 	},
> >-	.probe = ppc_corenet_clk_probe,
> >+	.probe = qoriq_clk_probe,
> > };
> >
> >-static int __init ppc_corenet_clk_init(void)
> >+static int __init qoriq_clk_init(void)
> > {
> >-	return platform_driver_register(&ppc_corenet_clk_driver);
> >+	return platform_driver_register(&qoriq_clk_driver);
> > }
> >-subsys_initcall(ppc_corenet_clk_init);
> >+subsys_initcall(qoriq_clk_init);
> >+
> >+CLK_OF_DECLARE(qoriq_core_pll_v1, "fsl,qoriq-core-pll-1.0",
> >+core_pll_init); CLK_OF_DECLARE(qoriq_core_pll_v2,
> >+"fsl,qoriq-core-pll-2.0", core_pll_init);
> >+CLK_OF_DECLARE(qoriq_core_mux_v1, "fsl,qoriq-core-mux-1.0",
> >+core_mux_init); CLK_OF_DECLARE(qoriq_core_mux_v2,
> >+"fsl,qoriq-core-mux-2.0", core_mux_init);
> >--
> >1.8.0
> 

Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Scott Wood]

On Thu, 2014-09-25 at 14:39 -0700, Mike Turquette wrote:
> Quoting Jingchang Lu (2014-09-22 23:46:46)
> > +CLK_OF_DECLARE(qoriq_core_pll_v1, "fsl,qoriq-core-pll-1.0", core_pll_init);
> > +CLK_OF_DECLARE(qoriq_core_pll_v2, "fsl,qoriq-core-pll-2.0", core_pll_init);
> > +CLK_OF_DECLARE(qoriq_core_mux_v1, "fsl,qoriq-core-mux-1.0", core_mux_init);
> > +CLK_OF_DECLARE(qoriq_core_mux_v2, "fsl,qoriq-core-mux-2.0", core_mux_init);
> 
> Is there binding documentation for these compatibles?

Documentation/devicetree/bindings/clock/qoriq-clock.txt

-Scott

Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Mike Turquette]

Quoting Scott Wood (2014-09-25 13:08:00)
> Well, like I said, I'd rather see the CLK_OF_DECLARE stuff be made to
> work on PPC rather than have the driver carry around two binding
> methods.

I guess that is an existing problem, and not related directly to this
patch? This patch is essentially just renames (though the V1.0/V2.0
stuff seems weird).

Regards,
Mike

> 
> -Scott
> 
> On Thu, 2014-09-25 at 04:47 -0500, Lu Jingchang-B35083 wrote:
> > Hi, Scott and Mike,
> >   
> >   Could you please help review this patch and give an ACK if ok. Thanks.
> > 
> > Best Regards,
> > Jingchang
> > 
> > >-----Original Message-----
> > >From: Jingchang Lu [mailto:jingchang.lu@freescale.com]
> > >Sent: Tuesday, September 23, 2014 2:47 PM
> > >To: mturquette@linaro.org
> > >Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org; linux-
> > >kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; Lu
> > >Jingchang-B35083
> > >Subject: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add
> > >CLK_OF_DECLARE support
> > >
> > >The IP is shared by PPC and ARM, this renames it to qoriq for better
> > >represention, and this also adds the CLK_OF_DECLARE support for being
> > >initialized by of_clk_init() on ARM.
> > >
> > >Signed-off-by: Jingchang Lu <jingchang.lu@freescale.com>
> > >---
> > >changes in v4:
> > > remove "corenet" literals omitted in v3 remove.
> > >
> > >changes in v3:
> > > generate the patch with -M -C option
> > >
> > >changes in v2:
> > > rename the driver name to ppc-qoriq.c for shared on PPC and ARM.
> > >
> > > drivers/clk/Kconfig                            |  9 +++++----
> > > drivers/clk/Makefile                           |  2 +-
> > > drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} | 27 +++++++++++++++------
> > >-----
> > > 3 files changed, 22 insertions(+), 16 deletions(-)  rename
> > >drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} (89%)
> > >
> > >diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index
> > >85131ae..f5f76cb 100644
> > >--- a/drivers/clk/Kconfig
> > >+++ b/drivers/clk/Kconfig
> > >@@ -92,12 +92,13 @@ config COMMON_CLK_AXI_CLKGEN
> > >       Support for the Analog Devices axi-clkgen pcore clock generator
> > >for Xilinx
> > >       FPGAs. It is commonly used in Analog Devices' reference designs.
> > >
> > >-config CLK_PPC_CORENET
> > >-    bool "Clock driver for PowerPC corenet platforms"
> > >-    depends on PPC_E500MC && OF
> > >+config CLK_QORIQ
> > >+    bool "Clock driver for PowerPC corenet and compatible ARM-based
> > >platforms"
> > >+    depends on (PPC_E500MC || ARM) && OF
> > >     ---help---
> > >       This adds the clock driver support for Freescale PowerPC corenet
> > >-      platforms using common clock framework.
> > >+      platforms and compatible Freescale ARM based platforms using
> > >common
> > >+      clock framework.
> > >
> > > config COMMON_CLK_XGENE
> > >     bool "Clock driver for APM XGene SoC"
> > >diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index
> > >27c542b..20f42e9 100644
> > >--- a/drivers/clk/Makefile
> > >+++ b/drivers/clk/Makefile
> > >@@ -29,7 +29,7 @@ obj-$(CONFIG_ARCH_MOXART)          += clk-moxart.o
> > > obj-$(CONFIG_ARCH_NOMADIK)          += clk-nomadik.o
> > > obj-$(CONFIG_ARCH_NSPIRE)           += clk-nspire.o
> > > obj-$(CONFIG_COMMON_CLK_PALMAS)             += clk-palmas.o
> > >-obj-$(CONFIG_CLK_PPC_CORENET)               += clk-ppc-corenet.o
> > >+obj-$(CONFIG_CLK_QORIQ)                     += clk-qoriq.o
> > > obj-$(CONFIG_COMMON_CLK_S2MPS11)    += clk-s2mps11.o
> > > obj-$(CONFIG_COMMON_CLK_SI5351)             += clk-si5351.o
> > > obj-$(CONFIG_COMMON_CLK_SI570)              += clk-si570.o
> > >diff --git a/drivers/clk/clk-ppc-corenet.c b/drivers/clk/clk-qoriq.c
> > >similarity index 89% rename from drivers/clk/clk-ppc-corenet.c rename to
> > >drivers/clk/clk-qoriq.c index 8e58edf..cba8abe 100644
> > >--- a/drivers/clk/clk-ppc-corenet.c
> > >+++ b/drivers/clk/clk-qoriq.c
> > >@@ -155,7 +155,7 @@ static void __init core_pll_init(struct device_node
> > >*np)
> > >
> > >     base = of_iomap(np, 0);
> > >     if (!base) {
> > >-            pr_err("clk-ppc: iomap error\n");
> > >+            pr_err("clk-qoriq: iomap error\n");
> > >             return;
> > >     }
> > >
> > >@@ -252,7 +252,7 @@ static void __init sysclk_init(struct device_node
> > >*node)
> > >     u32 rate;
> > >
> > >     if (!np) {
> > >-            pr_err("ppc-clk: could not get parent node\n");
> > >+            pr_err("qoriq-clk: could not get parent node\n");
> > >             return;
> > >     }
> > >
> > >@@ -278,30 +278,35 @@ static const struct of_device_id clk_match[]
> > >__initconst = {
> > >     {}
> > > };
> > >
> > >-static int __init ppc_corenet_clk_probe(struct platform_device *pdev)
> > >+static int __init qoriq_clk_probe(struct platform_device *pdev)
> > > {
> > >     of_clk_init(clk_match);
> > >
> > >     return 0;
> > > }
> > >
> > >-static const struct of_device_id ppc_clk_ids[] __initconst = {
> > >+static const struct of_device_id qoriq_clk_ids[] __initconst = {
> > >     { .compatible = "fsl,qoriq-clockgen-1.0", },
> > >     { .compatible = "fsl,qoriq-clockgen-2.0", },
> > >     {}
> > > };
> > >
> > >-static struct platform_driver ppc_corenet_clk_driver __initdata = {
> > >+static struct platform_driver qoriq_clk_driver __initdata = {
> > >     .driver = {
> > >-            .name = "ppc_corenet_clock",
> > >+            .name = "qoriq_clock",
> > >             .owner = THIS_MODULE,
> > >-            .of_match_table = ppc_clk_ids,
> > >+            .of_match_table = qoriq_clk_ids,
> > >     },
> > >-    .probe = ppc_corenet_clk_probe,
> > >+    .probe = qoriq_clk_probe,
> > > };
> > >
> > >-static int __init ppc_corenet_clk_init(void)
> > >+static int __init qoriq_clk_init(void)
> > > {
> > >-    return platform_driver_register(&ppc_corenet_clk_driver);
> > >+    return platform_driver_register(&qoriq_clk_driver);
> > > }
> > >-subsys_initcall(ppc_corenet_clk_init);
> > >+subsys_initcall(qoriq_clk_init);
> > >+
> > >+CLK_OF_DECLARE(qoriq_core_pll_v1, "fsl,qoriq-core-pll-1.0",
> > >+core_pll_init); CLK_OF_DECLARE(qoriq_core_pll_v2,
> > >+"fsl,qoriq-core-pll-2.0", core_pll_init);
> > >+CLK_OF_DECLARE(qoriq_core_mux_v1, "fsl,qoriq-core-mux-1.0",
> > >+core_mux_init); CLK_OF_DECLARE(qoriq_core_mux_v2,
> > >+"fsl,qoriq-core-mux-2.0", core_mux_init);
> > >--
> > >1.8.0
> > 
> 
> 

Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Scott Wood]

On Thu, 2014-09-25 at 15:54 -0700, Mike Turquette wrote:
> Quoting Scott Wood (2014-09-25 13:08:00)
> > Well, like I said, I'd rather see the CLK_OF_DECLARE stuff be made to
> > work on PPC rather than have the driver carry around two binding
> > methods.
> 
> I guess that is an existing problem, and not related directly to this
> patch? This patch is essentially just renames (though the V1.0/V2.0
> stuff seems weird).

This patch is adding CLK_OF_DECLARE.

-Scott

RE: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Yuantian Tang]

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> -----Original Message-----
> From: Linuxppc-dev
> [mailto:linuxppc-dev-bounces+b29983=freescale.com@lists.ozlabs.org] On
> Behalf Of Mike Turquette
> Sent: Saturday, September 27, 2014 7:29 AM
> To: Wood Scott-B07421
> Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org;
> linux-arm-kernel@lists.infradead.org; Lu Jingchang-B35083
> Subject: Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add
> CLK_OF_DECLARE support
> 
> Quoting Scott Wood (2014-09-25 15:56:20)
> > On Thu, 2014-09-25 at 15:54 -0700, Mike Turquette wrote:
> > > Quoting Scott Wood (2014-09-25 13:08:00)
> > > > Well, like I said, I'd rather see the CLK_OF_DECLARE stuff be made
> > > > to work on PPC rather than have the driver carry around two
> > > > binding methods.
> > >
> > > I guess that is an existing problem, and not related directly to
> > > this patch? This patch is essentially just renames (though the
> > > V1.0/V2.0 stuff seems weird).
> >
> > This patch is adding CLK_OF_DECLARE.
> 
> I'm fine taking this patch but your comments are still unresolved. What do you
> think needs to be done to fix the problems that you see?
> 
CLK_OF_DECLARE is totally worked on PPC. I will do it in a separate patch.
Regarding V1.0 and V2.0, it is not wired just same for now. But we are not sure if it is same for v3.0 in the future.

Besides updating drivers/cpufreq/Kconfig.powerpc, there is one more thing I am not comfortable with:
This patch uses " fixed-clock" as sysclk's compatible string, while on PPC we treated it as " fsl,qoriq-sysclk-[1-2].0".
That's inconsistent on both ARM and PPC platforms, neither did on bindings.

Thanks,
Yuantian

> Regards,
> Mike
> 
> >
> > -Scott
> >
> >
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev
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RE: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Jingchang Lu]

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>-----Original Message-----
>From: Tudor Laurentiu-B10716
>Sent: Thursday, September 25, 2014 8:56 PM
>To: Lu Jingchang-B35083; mturquette@linaro.org
>Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org; linux-
>kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org
>Subject: Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add
>CLK_OF_DECLARE support
>
>Hi Jingchang,
>
>On 09/23/2014 09:46 AM, Jingchang Lu wrote:
>> The IP is shared by PPC and ARM, this renames it to qoriq for better
>> represention, and this also adds the CLK_OF_DECLARE support for being
>> initialized by of_clk_init() on ARM.
>>
>
>I think you need to also update drivers/cpufreq/Kconfig.powerpc to use the
>renamed config option.
>

Thanks, I will update that selected config option of CLK_PPC_CORENET.

Best Regards,
Jingchang
>---
>Best Regards, Laurentiu


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Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Scott Wood]

On Sat, 2014-09-27 at 21:18 -0500, Tang Yuantian-B29983 wrote:
> > -----Original Message-----
> > From: Linuxppc-dev
> > [mailto:linuxppc-dev-bounces+b29983=freescale.com@lists.ozlabs.org] On
> > Behalf Of Mike Turquette
> > Sent: Saturday, September 27, 2014 7:29 AM
> > To: Wood Scott-B07421
> > Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org;
> > linux-arm-kernel@lists.infradead.org; Lu Jingchang-B35083
> > Subject: Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add
> > CLK_OF_DECLARE support
> > 
> > Quoting Scott Wood (2014-09-25 15:56:20)
> > > On Thu, 2014-09-25 at 15:54 -0700, Mike Turquette wrote:
> > > > Quoting Scott Wood (2014-09-25 13:08:00)
> > > > > Well, like I said, I'd rather see the CLK_OF_DECLARE stuff be made
> > > > > to work on PPC rather than have the driver carry around two
> > > > > binding methods.
> > > >
> > > > I guess that is an existing problem, and not related directly to
> > > > this patch? This patch is essentially just renames (though the
> > > > V1.0/V2.0 stuff seems weird).
> > >
> > > This patch is adding CLK_OF_DECLARE.
> > 
> > I'm fine taking this patch but your comments are still unresolved. What do you
> > think needs to be done to fix the problems that you see?
> > 
> CLK_OF_DECLARE is totally worked on PPC. I will do it in a separate patch.
> Regarding V1.0 and V2.0, it is not wired just same for now. But we are not sure if it is same for v3.0 in the future.
> 
> Besides updating drivers/cpufreq/Kconfig.powerpc, there is one more thing I am not comfortable with:
> This patch uses " fixed-clock" as sysclk's compatible string, while on PPC we treated it as " fsl,qoriq-sysclk-[1-2].0".
> That's inconsistent on both ARM and PPC platforms, neither did on bindings.

fsl,qoriq-sysclk-XXX is the way it is because of compatibility with the
fixups in existing U-Boots.  It shouldn't be used as a model.

That said, I don't think you really mean "this patch", as it doesn't
contain the device tree updates, and "fixed-clock" does not appear.

-Scott

RE: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add CLK_OF_DECLARE support

[Yuantian Tang]

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> -----Original Message-----
> From: Wood Scott-B07421
> Sent: Tuesday, September 30, 2014 7:58 AM
> To: Tang Yuantian-B29983
> Cc: Mike Turquette; linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org;
> linux-arm-kernel@lists.infradead.org; Lu Jingchang-B35083
> Subject: Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add
> CLK_OF_DECLARE support
> 
> On Sat, 2014-09-27 at 21:18 -0500, Tang Yuantian-B29983 wrote:
> > > -----Original Message-----
> > > From: Linuxppc-dev
> > > [mailto:linuxppc-dev-bounces+b29983=freescale.com@lists.ozlabs.org]
> > > On Behalf Of Mike Turquette
> > > Sent: Saturday, September 27, 2014 7:29 AM
> > > To: Wood Scott-B07421
> > > Cc: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org;
> > > linux-arm-kernel@lists.infradead.org; Lu Jingchang-B35083
> > > Subject: Re: [PATCHv4] clk: ppc-corenet: rename to ppc-qoriq and add
> > > CLK_OF_DECLARE support
> > >
> > > Quoting Scott Wood (2014-09-25 15:56:20)
> > > > On Thu, 2014-09-25 at 15:54 -0700, Mike Turquette wrote:
> > > > > Quoting Scott Wood (2014-09-25 13:08:00)
> > > > > > Well, like I said, I'd rather see the CLK_OF_DECLARE stuff be
> > > > > > made to work on PPC rather than have the driver carry around
> > > > > > two binding methods.
> > > > >
> > > > > I guess that is an existing problem, and not related directly to
> > > > > this patch? This patch is essentially just renames (though the
> > > > > V1.0/V2.0 stuff seems weird).
> > > >
> > > > This patch is adding CLK_OF_DECLARE.
> > >
> > > I'm fine taking this patch but your comments are still unresolved.
> > > What do you think needs to be done to fix the problems that you see?
> > >
> > CLK_OF_DECLARE is totally worked on PPC. I will do it in a separate patch.
> > Regarding V1.0 and V2.0, it is not wired just same for now. But we are not sure
> if it is same for v3.0 in the future.
> >
> > Besides updating drivers/cpufreq/Kconfig.powerpc, there is one more thing I
> am not comfortable with:
> > This patch uses " fixed-clock" as sysclk's compatible string, while on PPC we
> treated it as " fsl,qoriq-sysclk-[1-2].0".
> > That's inconsistent on both ARM and PPC platforms, neither did on bindings.
> 
> fsl,qoriq-sysclk-XXX is the way it is because of compatibility with the fixups in
> existing U-Boots.  It shouldn't be used as a model.
> 
> That said, I don't think you really mean "this patch", as it doesn't contain the
> device tree updates, and "fixed-clock" does not appear.
> 
"fixed-clock" will appear when ls102x platform DTS gets upstreamed eventually.
That would be fine if you don't think "fsl,qoriq-sysclk-xxx" having different meaning on ARM and PowerPC is a issue.

Thanks,
Yuantian
> -Scott
> 

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