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dts: Add bindings for imx lpi2c

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Adds device tree bindings for the imx lpi2c peripheral.

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
This commit is contained in:
Maureen Helm 2019-01-16 15:03:51 -06:00 committed by Anas Nashif
parent e664c78b82
commit ce5926aa6d
2 changed files with 79 additions and 0 deletions
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49
dts/arm/nxp/nxp_rt.dtsi
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@ -7,6 +7,7 @@
#include <arm/armv7-m.dtsi>
#include <dt-bindings/clock/imx_ccm.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/i2c/i2c.h>
/ {
cpus {
@ -117,6 +118,54 @@
#gpio-cells = <2>;
};
i2c1: i2c@403f0000 {
compatible = "nxp,imx-lpi2c";
clock-frequency = <I2C_BITRATE_STANDARD>;
#address-cells = <1>;
#size-cells = <0>;
reg = <0x403f0000 0x4000>;
interrupts = <28 0>;
clocks = <&ccm IMX_CCM_LPI2C_CLK 0x70 6>;
label = "I2C_1";
status = "disabled";
};
i2c2: i2c@403f4000 {
compatible = "nxp,imx-lpi2c";
clock-frequency = <I2C_BITRATE_STANDARD>;
#address-cells = <1>;
#size-cells = <0>;
reg = <0x403f4000 0x4000>;
interrupts = <29 0>;
clocks = <&ccm IMX_CCM_LPI2C_CLK 0x70 8>;
label = "I2C_2";
status = "disabled";
};
i2c3: i2c@403f8000 {
compatible = "nxp,imx-lpi2c";
clock-frequency = <I2C_BITRATE_STANDARD>;
#address-cells = <1>;
#size-cells = <0>;
reg = <0x403f8000 0x4000>;
interrupts = <30 0>;
clocks = <&ccm IMX_CCM_LPI2C_CLK 0x70 10>;
label = "I2C_3";
status = "disabled";
};
i2c4: i2c@403fc000 {
compatible = "nxp,imx-lpi2c";
clock-frequency = <I2C_BITRATE_STANDARD>;
#address-cells = <1>;
#size-cells = <0>;
reg = <0x403fc000 0x4000>;
interrupts = <31 0>;
clocks = <&ccm IMX_CCM_LPI2C_CLK 0x80 24>;
label = "I2C_4";
status = "disabled";
};
iomuxc: iomuxc@401f8000 {
reg = <0x401f8000 0x4000>;
label = "PINMUX_0";

30
dts/bindings/i2c/nxp,imx-lpi2c.yaml Normal file
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@ -0,0 +1,30 @@
#
# Copyright (c) 2019, NXP
#
# SPDX-License-Identifier: Apache-2.0
#
---
title: NXP LPI2C
version: 0.1
description: >
This binding gives a base representation of the NXP i.MX LPI2C controller
inherits:
!include i2c.yaml
properties:
compatible:
constraint: "nxp,imx-lpi2c"
reg:
type: int
description: mmio register space
generation: define
category: required
interrupts:
type: compound
category: required
description: required interrupts
generation: define