[PATCH 1/2] include: dt-bindings: mfd: add atmel flexcom include file
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__ */
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"; };
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
participants (2)
-
Eugen Hristev -
Eugen.Hristev＠microchip.com