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arm64: dts: imx93-9x9-qsb: add I3C overlay file

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Add an overlay file to enable I3C support on the i.MX93, replacing I2C1
with I3C. I3C is compatible with I2C, but it has not yet been enabled in
arm64's defconfig. This overlay allows users to conveniently utilize I3C
on the imx93-9x9-qsb platform until I3C and its driver become more mature
and ready for full switch to I3C.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Frank Li
2024-09-06 16:15:01 -04:00
committed by Shawn Guo
parent 6a5d95b06d
commit dc7ffff7e2
2 changed files with 76 additions and 0 deletions
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4
arch/arm64/boot/dts/freescale/Makefile
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@@ -246,6 +246,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
imx93-9x9-qsb-i3c-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-i3c.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-i3c.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb

72
arch/arm64/boot/dts/freescale/imx93-9x9-qsb-i3c.dtso Normal file
View File

@@ -0,0 +1,72 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright 2024 NXP
*/
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/i3c/i3c.h>
#include <dt-bindings/usb/pd.h>
#include "imx93-pinfunc.h"
/dts-v1/;
/plugin/;
&lpi2c1 {
status = "disabled";
};
&i3c1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i3c1>;
#address-cells = <3>;
#size-cells = <0>;
i2c-scl-hz = <400000>;
status = "okay";
tcpc@50 {
compatible = "nxp,ptn5110", "tcpci";
reg = <0x50 0x00 (I2C_FM | I2C_NO_FILTER_LOW_FREQUENCY)>;
interrupt-parent = <&gpio3>;
interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
connector {
compatible = "usb-c-connector";
label = "USB-C";
power-role = "dual";
data-role = "dual";
try-power-role = "sink";
source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)
PDO_VAR(5000, 20000, 3000)>;
op-sink-microwatt = <15000000>;
self-powered;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
typec1_dr_sw: endpoint {
remote-endpoint = <&usb1_drd_sw>;
};
};
};
};
};
};
&usb1_drd_sw {
remote-endpoint = <&typec1_dr_sw>;
};
&iomuxc {
pinctrl_i3c1: i3c1grp {
fsl,pins = <
MX93_PAD_I2C1_SCL__I3C1_SCL 0x40000186
MX93_PAD_I2C1_SDA__I3C1_SDA 0x40000186
>;
};
};