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* [PATCH] ARM: dts: imx7s: Correct GPT's ipg clock source
@ 2019-09-16  8:29 Anson Huang
  2019-10-06  8:32 ` Shawn Guo
  0 siblings, 1 reply; 3+ messages in thread
From: Anson Huang @ 2019-09-16  8:29 UTC (permalink / raw)
  To: robh+dt, mark.rutland, shawnguo, s.hauer, kernel, festevam,
	devicetree, linux-arm-kernel, linux-kernel
  Cc: Linux-imx

i.MX7S/D's GPT ipg clock should be from GPT clock root and
controlled by CCM's GPT CCGR, using correct clock source for
GPT ipg clock instead of IMX7D_CLK_DUMMY.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
 arch/arm/boot/dts/imx7s.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index 710f850..e2e604d 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -448,7 +448,7 @@
 				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
 				reg = <0x302d0000 0x10000>;
 				interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_CLK_DUMMY>,
+				clocks = <&clks IMX7D_GPT1_ROOT_CLK>,
 					 <&clks IMX7D_GPT1_ROOT_CLK>;
 				clock-names = "ipg", "per";
 			};
@@ -457,7 +457,7 @@
 				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
 				reg = <0x302e0000 0x10000>;
 				interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_CLK_DUMMY>,
+				clocks = <&clks IMX7D_GPT2_ROOT_CLK>,
 					 <&clks IMX7D_GPT2_ROOT_CLK>;
 				clock-names = "ipg", "per";
 				status = "disabled";
@@ -467,7 +467,7 @@
 				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
 				reg = <0x302f0000 0x10000>;
 				interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_CLK_DUMMY>,
+				clocks = <&clks IMX7D_GPT3_ROOT_CLK>,
 					 <&clks IMX7D_GPT3_ROOT_CLK>;
 				clock-names = "ipg", "per";
 				status = "disabled";
@@ -477,7 +477,7 @@
 				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
 				reg = <0x30300000 0x10000>;
 				interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_CLK_DUMMY>,
+				clocks = <&clks IMX7D_GPT4_ROOT_CLK>,
 					 <&clks IMX7D_GPT4_ROOT_CLK>;
 				clock-names = "ipg", "per";
 				status = "disabled";
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] ARM: dts: imx7s: Correct GPT's ipg clock source
  2019-09-16  8:29 [PATCH] ARM: dts: imx7s: Correct GPT's ipg clock source Anson Huang
@ 2019-10-06  8:32 ` Shawn Guo
  2019-10-07  0:45   ` Anson Huang
  0 siblings, 1 reply; 3+ messages in thread
From: Shawn Guo @ 2019-10-06  8:32 UTC (permalink / raw)
  To: Anson Huang
  Cc: robh+dt, mark.rutland, s.hauer, kernel, festevam, devicetree,
	linux-arm-kernel, linux-kernel, Linux-imx

On Mon, Sep 16, 2019 at 04:29:09PM +0800, Anson Huang wrote:
> i.MX7S/D's GPT ipg clock should be from GPT clock root and
> controlled by CCM's GPT CCGR, using correct clock source for
> GPT ipg clock instead of IMX7D_CLK_DUMMY.

So both 'ipg' and 'per' clock are coming from GPT root clock?

> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>

It looks like a fix, so do we need a Fixes tag here?

Shawn

> ---
>  arch/arm/boot/dts/imx7s.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
> index 710f850..e2e604d 100644
> --- a/arch/arm/boot/dts/imx7s.dtsi
> +++ b/arch/arm/boot/dts/imx7s.dtsi
> @@ -448,7 +448,7 @@
>  				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
>  				reg = <0x302d0000 0x10000>;
>  				interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
> -				clocks = <&clks IMX7D_CLK_DUMMY>,
> +				clocks = <&clks IMX7D_GPT1_ROOT_CLK>,
>  					 <&clks IMX7D_GPT1_ROOT_CLK>;
>  				clock-names = "ipg", "per";
>  			};
> @@ -457,7 +457,7 @@
>  				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
>  				reg = <0x302e0000 0x10000>;
>  				interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
> -				clocks = <&clks IMX7D_CLK_DUMMY>,
> +				clocks = <&clks IMX7D_GPT2_ROOT_CLK>,
>  					 <&clks IMX7D_GPT2_ROOT_CLK>;
>  				clock-names = "ipg", "per";
>  				status = "disabled";
> @@ -467,7 +467,7 @@
>  				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
>  				reg = <0x302f0000 0x10000>;
>  				interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
> -				clocks = <&clks IMX7D_CLK_DUMMY>,
> +				clocks = <&clks IMX7D_GPT3_ROOT_CLK>,
>  					 <&clks IMX7D_GPT3_ROOT_CLK>;
>  				clock-names = "ipg", "per";
>  				status = "disabled";
> @@ -477,7 +477,7 @@
>  				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
>  				reg = <0x30300000 0x10000>;
>  				interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
> -				clocks = <&clks IMX7D_CLK_DUMMY>,
> +				clocks = <&clks IMX7D_GPT4_ROOT_CLK>,
>  					 <&clks IMX7D_GPT4_ROOT_CLK>;
>  				clock-names = "ipg", "per";
>  				status = "disabled";
> -- 
> 2.7.4
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* RE: [PATCH] ARM: dts: imx7s: Correct GPT's ipg clock source
  2019-10-06  8:32 ` Shawn Guo
@ 2019-10-07  0:45   ` Anson Huang
  0 siblings, 0 replies; 3+ messages in thread
From: Anson Huang @ 2019-10-07  0:45 UTC (permalink / raw)
  To: Shawn Guo
  Cc: robh+dt, mark.rutland, s.hauer, kernel, festevam, devicetree,
	linux-arm-kernel, linux-kernel, dl-linux-imx

Hi, Shawn

> On Mon, Sep 16, 2019 at 04:29:09PM +0800, Anson Huang wrote:
> > i.MX7S/D's GPT ipg clock should be from GPT clock root and controlled
> > by CCM's GPT CCGR, using correct clock source for GPT ipg clock
> > instead of IMX7D_CLK_DUMMY.
> 
> So both 'ipg' and 'per' clock are coming from GPT root clock?

Yes.

> 
> > Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> 
> It looks like a fix, so do we need a Fixes tag here?

Sure, will add a fixes tag in V2.

Thanks,
Anson.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-10-07  0:45 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2019-09-16  8:29 [PATCH] ARM: dts: imx7s: Correct GPT's ipg clock source Anson Huang
2019-10-06  8:32 ` Shawn Guo
2019-10-07  0:45   ` Anson Huang

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