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refactor(dt-bindings): align irq bindings with kernel

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The arm-gic.h was a concatenation of arm-gic.h and irq.h from Linux.
Just copy the 2 files here. They both have MIT license which is accepted
in TF-A.
With this alignment, a new macro is added (GIC_CPU_MASK_SIMPLE).

Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Change-Id: Ib45174f35f1796ebb7f34af861b59810cfb808b0
This commit is contained in:
Yann Gautier 2021-05-25 18:14:24 +02:00
parent a57e6e4995
commit f1b6b014d7
3 changed files with 29 additions and 8 deletions
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1
docs/license.rst
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@ -81,6 +81,7 @@ license text is included in those source files.
terms of the MIT license. These files are:
- ``include/dt-bindings/interrupt-controller/arm-gic.h``
- ``include/dt-bindings/interrupt-controller/irq.h``
See the original `Linux MIT license`_.

13
include/dt-bindings/interrupt-controller/arm-gic.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2019-2021, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2019-2021, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: MIT
*
@ -9,21 +9,18 @@
#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_ARM_GIC_H
#define _DT_BINDINGS_INTERRUPT_CONTROLLER_ARM_GIC_H
#include <dt-bindings/interrupt-controller/irq.h>
/* interrupt specifier cell 0 */
#define GIC_SPI 0
#define GIC_PPI 1
#define IRQ_TYPE_NONE 0
#define IRQ_TYPE_EDGE_RISING 1
#define IRQ_TYPE_EDGE_FALLING 2
#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
#define IRQ_TYPE_LEVEL_HIGH 4
#define IRQ_TYPE_LEVEL_LOW 8
/*
* Interrupt specifier cell 2.
* The flags in irq.h are valid, plus those below.
*/
#define GIC_CPU_MASK_RAW(x) ((x) << 8)
#define GIC_CPU_MASK_SIMPLE(num) GIC_CPU_MASK_RAW((1 << (num)) - 1)
#endif

23
include/dt-bindings/interrupt-controller/irq.h Normal file
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@ -0,0 +1,23 @@
/*
* Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: MIT
*
* This header provides constants for most IRQ bindings.
*
* Most IRQ bindings include a flags cell as part of the IRQ specifier.
* In most cases, the format of the flags cell uses the standard values
* defined in this header.
*/
#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
#define _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
#define IRQ_TYPE_NONE 0
#define IRQ_TYPE_EDGE_RISING 1
#define IRQ_TYPE_EDGE_FALLING 2
#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
#define IRQ_TYPE_LEVEL_HIGH 4
#define IRQ_TYPE_LEVEL_LOW 8
#endif