[PATCH 1/2] include: dt-bindings: mfd: add atmel flexcom include file

[PATCH 1/2] include: dt-bindings: mfd: add atmel flexcom include file

[Eugen Hristev]

Add dt-bindings include file for Atmel Flexcom hardware block.
This file is copied from Linux kernel.
It is used in devicetrees from Linux.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 MAINTAINERS                             |  1 +
 include/dt-bindings/mfd/atmel-flexcom.h | 15 +++++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 include/dt-bindings/mfd/atmel-flexcom.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 776ff703b9..f4059c1cf4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -312,6 +312,7 @@ F:	arch/arm/mach-at91/
 F:	board/atmel/
 F:	drivers/cpu/at91_cpu.c
 F:	drivers/misc/microchip_flexcom.c
+F:	include/dt-bindings/mfd/atmel-flexcom.h
 F:	drivers/timer/mchp-pit64b-timer.c
 
 ARM NEXELL S5P4418
diff --git a/include/dt-bindings/mfd/atmel-flexcom.h b/include/dt-bindings/mfd/atmel-flexcom.h
new file mode 100644
index 0000000000..4e2fc32363
--- /dev/null
+++ b/include/dt-bindings/mfd/atmel-flexcom.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * This header provides macros for Atmel Flexcom DT bindings.
+ *
+ * Copyright (C) 2015 Cyrille Pitchen <cyrille.pitchen@atmel.com>
+ */
+
+#ifndef __DT_BINDINGS_ATMEL_FLEXCOM_H__
+#define __DT_BINDINGS_ATMEL_FLEXCOM_H__
+
+#define ATMEL_FLEXCOM_MODE_USART	1
+#define ATMEL_FLEXCOM_MODE_SPI		2
+#define ATMEL_FLEXCOM_MODE_TWI		3
+
+#endif /* __DT_BINDINGS_ATMEL_FLEXCOM_H__ */
-- 
2.25.1

[PATCH 2/2] ARM: dts: at91: update flexcom defines using include file

[Eugen Hristev]

Replace the number in the flexcom-mode property with the define from the
include file.
This corresponds to the approach in Linux kernel.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 arch/arm/dts/sam9x60ek.dts | 3 ++-
 arch/arm/dts/sama7g5ek.dts | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/sam9x60ek.dts b/arch/arm/dts/sam9x60ek.dts
index 77edd593b4..32ffe93b4d 100644
--- a/arch/arm/dts/sam9x60ek.dts
+++ b/arch/arm/dts/sam9x60ek.dts
@@ -7,6 +7,7 @@
  * Author: Sandeep Sheriker M <Sandeepsheriker.mallikarjun@microchip.com>
  */
 /dts-v1/;
+#include <dt-bindings/mfd/atmel-flexcom.h>
 #include "sam9x60.dtsi"
 
 / {
@@ -57,7 +58,7 @@
 			};
 
 			flx0: flexcom@f801c600 {
-				atmel,flexcom-mode = <3>;
+				atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
 				status = "okay";
 
 				i2c@600 {
diff --git a/arch/arm/dts/sama7g5ek.dts b/arch/arm/dts/sama7g5ek.dts
index 3a4fdd38a5..1c59a8aaf8 100644
--- a/arch/arm/dts/sama7g5ek.dts
+++ b/arch/arm/dts/sama7g5ek.dts
@@ -8,6 +8,7 @@
  *		  2020, Claudiu Beznea <claudiu.beznea@microchip.com>
  */
 /dts-v1/;
+#include <dt-bindings/mfd/atmel-flexcom.h>
 #include "sama7g5.dtsi"
 #include "sama7g5-pinfunc.h"
 
@@ -64,7 +65,7 @@
 };
 
 &flx1 {
-	atmel,flexcom-mode = <3>;
+	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
 	status = "okay";
 };
 
-- 
2.25.1

Re: [PATCH 1/2] include: dt-bindings: mfd: add atmel flexcom include file

[Eugen.Hristev]

On 8/27/21 1:44 PM, Eugen Hristev wrote:
> Add dt-bindings include file for Atmel Flexcom hardware block.
> This file is copied from Linux kernel.
> It is used in devicetrees from Linux.
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
> ---

Applied series to u-boot-atmel/next