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dts: Add binding for NXP i.MX RT itcm/dtcm memories

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Add comptiable into the device tree and associated binding files for NXP
i.MX RT ITCM/DTCM memory regions.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2018-12-07 12:26:06 -06:00 • committed by Maureen Helm
commit 4a038d7fce
3 changed files with 55 additions and 0 deletions
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3
dts/arm/nxp/nxp_rt.dtsi
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@ -30,14 +30,17 @@
#size-cells = <1>;
itcm0: itcm@0 {
compatible = "nxp,imx-rt-itcm";
reg = <0x00000000 0x20000>;
};
dtcm0: dtcm@20000000 {
compatible = "nxp,imx-rt-dtcm";
reg = <0x20000000 0x20000>;
};
ocram0: ocram@20200000 {
compatible = "mmio-sram";
reg = <0x20200000 0x40000>;
};
};

26
dts/bindings/arm/nxp,imx-rt-dtcm.yaml Normal file
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@ -0,0 +1,26 @@
#
# Copyright (c) 2018, Linaro Limited
#
# SPDX-License-Identifier: Apache-2.0
#
---
title: i.MX RT DTCM (Data Tightly Coupled Memory)
version: 0.1
description: >
This binding gives a base representation of the i.MX-RT DTCM
properties:
compatible:
type: string
category: required
constraint: "nxp,imx-rt-dtcm"
generation: define
reg:
type: int
description: mmio register space
generation: define
category: required
...

26
dts/bindings/arm/nxp,imx-rt-itcm.yaml Normal file
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@ -0,0 +1,26 @@
#
# Copyright (c) 2018, Linaro Limited
#
# SPDX-License-Identifier: Apache-2.0
#
---
title: i.MX RT ITCM (Instruction Tightly Coupled Memory)
version: 0.1
description: >
This binding gives a base representation of the i.MX-RT ITCM
properties:
compatible:
type: string
category: required
constraint: "nxp,imx-rt-itcm"
generation: define
reg:
type: int
description: mmio register space
generation: define
category: required
...