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[RESEND] ARM: at91/dt: sama5d2: add SFR node

Message ID 1458230640-26049-1-git-send-email-ludovic.desroches@atmel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ludovic Desroches March 17, 2016, 4:04 p.m. UTC
From: Cyrille Pitchen <cyrille.pitchen@atmel.com>

This SFR node is looked up by the I2S controller driver to tune the
SFR_I2SCLKSEL register.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
---
 Documentation/devicetree/bindings/arm/atmel-at91.txt |  2 +-
 arch/arm/boot/dts/sama5d2.dtsi                       |  5 +++++
 include/soc/at91/atmel-sfr.h                         | 18 ++++++++++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 include/soc/at91/atmel-sfr.h

Comments

Alexandre Belloni March 17, 2016, 4:06 p.m. UTC | #1
On 17/03/2016 at 17:04:00 +0100, Ludovic Desroches wrote :
> From: Cyrille Pitchen <cyrille.pitchen@atmel.com>
> 
> This SFR node is looked up by the I2S controller driver to tune the
> SFR_I2SCLKSEL register.
> 
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

> ---
>  Documentation/devicetree/bindings/arm/atmel-at91.txt |  2 +-
>  arch/arm/boot/dts/sama5d2.dtsi                       |  5 +++++
>  include/soc/at91/atmel-sfr.h                         | 18 ++++++++++++++++++
>  3 files changed, 24 insertions(+), 1 deletion(-)
>  create mode 100644 include/soc/at91/atmel-sfr.h
> 
> diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt
> index 7fd64ec..550fd66 100644
> --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt
> +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt
> @@ -155,7 +155,7 @@ elsewhere.
>  
>  required properties:
>  - compatible: Should be "atmel,<chip>-sfr", "syscon".
> -  <chip> can be "sama5d3" or "sama5d4".
> +  <chip> can be "sama5d3", "sama5d4" or "sama5d2".
>  - reg: Should contain registers location and length
>  
>  	sfr@f0038000 {
> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
> index 78996bd..36bb29c 100644
> --- a/arch/arm/boot/dts/sama5d2.dtsi
> +++ b/arch/arm/boot/dts/sama5d2.dtsi
> @@ -973,6 +973,11 @@
>  				status = "disabled";
>  			};
>  
> +			sfr: sfr@f8030000 {
> +				compatible = "atmel,sama5d2-sfr", "syscon";
> +				reg = <0xf8030000 0x98>;
> +			};
> +
>  			flx0: flexcom@f8034000 {
>  				compatible = "atmel,sama5d2-flexcom";
>  				reg = <0xf8034000 0x200>;
> diff --git a/include/soc/at91/atmel-sfr.h b/include/soc/at91/atmel-sfr.h
> new file mode 100644
> index 0000000..2f9bb98
> --- /dev/null
> +++ b/include/soc/at91/atmel-sfr.h
> @@ -0,0 +1,18 @@
> +/*
> + * Atmel SFR (Special Function Registers) register offsets and bit definitions.
> + *
> + * Copyright (C) 2016 Atmel
> + *
> + * Author: Ludovic Desroches <ludovic.desroches@atmel.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#ifndef _LINUX_MFD_SYSCON_ATMEL_SFR_H
> +#define _LINUX_MFD_SYSCON_ATMEL_SFR_H
> +
> +#define AT91_SFR_I2SCLKSEL	0x90	/* I2SC Register */
> +
> +#endif /* _LINUX_MFD_SYSCON_ATMEL_SFR_H */
> -- 
> 2.5.0
>
Rob Herring (Arm) March 20, 2016, 12:18 a.m. UTC | #2
On Thu, Mar 17, 2016 at 05:04:00PM +0100, Ludovic Desroches wrote:
> From: Cyrille Pitchen <cyrille.pitchen@atmel.com>
> 
> This SFR node is looked up by the I2S controller driver to tune the
> SFR_I2SCLKSEL register.
> 
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
> ---
>  Documentation/devicetree/bindings/arm/atmel-at91.txt |  2 +-
>  arch/arm/boot/dts/sama5d2.dtsi                       |  5 +++++
>  include/soc/at91/atmel-sfr.h                         | 18 ++++++++++++++++++
>  3 files changed, 24 insertions(+), 1 deletion(-)
>  create mode 100644 include/soc/at91/atmel-sfr.h

Acked-by: Rob Herring <robh@kernel.org>
Nicolas Ferre March 23, 2016, 11:24 a.m. UTC | #3
Le 17/03/2016 17:04, Ludovic Desroches a écrit :
> From: Cyrille Pitchen <cyrille.pitchen@atmel.com>
> 
> This SFR node is looked up by the I2S controller driver to tune the
> SFR_I2SCLKSEL register.
> 
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>

Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

I'll queue it in our upcoming at91-4.7-dt branch. Thanks!

Bye,

> ---
>  Documentation/devicetree/bindings/arm/atmel-at91.txt |  2 +-
>  arch/arm/boot/dts/sama5d2.dtsi                       |  5 +++++
>  include/soc/at91/atmel-sfr.h                         | 18 ++++++++++++++++++
>  3 files changed, 24 insertions(+), 1 deletion(-)
>  create mode 100644 include/soc/at91/atmel-sfr.h
> 
> diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt
> index 7fd64ec..550fd66 100644
> --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt
> +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt
> @@ -155,7 +155,7 @@ elsewhere.
>  
>  required properties:
>  - compatible: Should be "atmel,<chip>-sfr", "syscon".
> -  <chip> can be "sama5d3" or "sama5d4".
> +  <chip> can be "sama5d3", "sama5d4" or "sama5d2".
>  - reg: Should contain registers location and length
>  
>  	sfr@f0038000 {
> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
> index 78996bd..36bb29c 100644
> --- a/arch/arm/boot/dts/sama5d2.dtsi
> +++ b/arch/arm/boot/dts/sama5d2.dtsi
> @@ -973,6 +973,11 @@
>  				status = "disabled";
>  			};
>  
> +			sfr: sfr@f8030000 {
> +				compatible = "atmel,sama5d2-sfr", "syscon";
> +				reg = <0xf8030000 0x98>;
> +			};
> +
>  			flx0: flexcom@f8034000 {
>  				compatible = "atmel,sama5d2-flexcom";
>  				reg = <0xf8034000 0x200>;
> diff --git a/include/soc/at91/atmel-sfr.h b/include/soc/at91/atmel-sfr.h
> new file mode 100644
> index 0000000..2f9bb98
> --- /dev/null
> +++ b/include/soc/at91/atmel-sfr.h
> @@ -0,0 +1,18 @@
> +/*
> + * Atmel SFR (Special Function Registers) register offsets and bit definitions.
> + *
> + * Copyright (C) 2016 Atmel
> + *
> + * Author: Ludovic Desroches <ludovic.desroches@atmel.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#ifndef _LINUX_MFD_SYSCON_ATMEL_SFR_H
> +#define _LINUX_MFD_SYSCON_ATMEL_SFR_H
> +
> +#define AT91_SFR_I2SCLKSEL	0x90	/* I2SC Register */
> +
> +#endif /* _LINUX_MFD_SYSCON_ATMEL_SFR_H */
>
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Patch

diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt
index 7fd64ec..550fd66 100644
--- a/Documentation/devicetree/bindings/arm/atmel-at91.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt
@@ -155,7 +155,7 @@  elsewhere.
 
 required properties:
 - compatible: Should be "atmel,<chip>-sfr", "syscon".
-  <chip> can be "sama5d3" or "sama5d4".
+  <chip> can be "sama5d3", "sama5d4" or "sama5d2".
 - reg: Should contain registers location and length
 
 	sfr@f0038000 {
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 78996bd..36bb29c 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -973,6 +973,11 @@ 
 				status = "disabled";
 			};
 
+			sfr: sfr@f8030000 {
+				compatible = "atmel,sama5d2-sfr", "syscon";
+				reg = <0xf8030000 0x98>;
+			};
+
 			flx0: flexcom@f8034000 {
 				compatible = "atmel,sama5d2-flexcom";
 				reg = <0xf8034000 0x200>;
diff --git a/include/soc/at91/atmel-sfr.h b/include/soc/at91/atmel-sfr.h
new file mode 100644
index 0000000..2f9bb98
--- /dev/null
+++ b/include/soc/at91/atmel-sfr.h
@@ -0,0 +1,18 @@ 
+/*
+ * Atmel SFR (Special Function Registers) register offsets and bit definitions.
+ *
+ * Copyright (C) 2016 Atmel
+ *
+ * Author: Ludovic Desroches <ludovic.desroches@atmel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _LINUX_MFD_SYSCON_ATMEL_SFR_H
+#define _LINUX_MFD_SYSCON_ATMEL_SFR_H
+
+#define AT91_SFR_I2SCLKSEL	0x90	/* I2SC Register */
+
+#endif /* _LINUX_MFD_SYSCON_ATMEL_SFR_H */