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* [RESEND PATCH] ARM: at91/dt: sama5d2: add SFR node
@ 2016-03-17 16:04 Ludovic Desroches
       [not found] ` <1458230640-26049-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
  0 siblings, 1 reply; 4+ messages in thread
From: Ludovic Desroches @ 2016-03-17 16:04 UTC (permalink / raw)
  To: nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w,
	alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8
  Cc: plagnioj-sclMFOaUSTBWk0Htik3J/w,
	cyrille.pitchen-AIFe0yeh4nAAvxtiuMwx3w,
	devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8,
	Ludovic Desroches

From: Cyrille Pitchen <cyrille.pitchen-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>

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

Signed-off-by: Cyrille Pitchen <cyrille.pitchen-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Ludovic Desroches <ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
---
 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-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
+ *
+ * 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

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^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2016-03-23 11:24 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2016-03-17 16:04 [RESEND PATCH] ARM: at91/dt: sama5d2: add SFR node Ludovic Desroches
     [not found] ` <1458230640-26049-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
2016-03-17 16:06   ` Alexandre Belloni
2016-03-20  0:18   ` Rob Herring
2016-03-23 11:24   ` Nicolas Ferre

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