| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20251214110531.9475-3-stefano.r@variscite.com>
Date: Sun, 14 Dec 2025 12:05:25 +0100
From: Stefano Radaelli <stefano.radaelli21@...il.com>
To: devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Stefano Radaelli <stefano.r@...iscite.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 2/6] arm64: dts: imx8mp-var-som: Move PCA9534 GPIO expander to Symphony carrier
The VAR-SOM-MX8MP module does not include the PCA9534 GPIO expander nor
the LED connected to it. These components are present only on the
Symphony carrier board and may vary across custom carrier designs.
Move the PCA9534 GPIO expander node and the associated LED definition
from the SOM device tree to the Symphony carrier DTS, ensuring the SOM
dtsi describes only hardware present on the module.
Signed-off-by: Stefano Radaelli <stefano.r@...iscite.com>
---
.../dts/freescale/imx8mp-var-som-symphony.dts | 50 +++++++++++++++++++
.../boot/dts/freescale/imx8mp-var-som.dtsi | 50 -------------------
2 files changed, 50 insertions(+), 50 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
index ea3c193bb684..361e6122bdc3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
@@ -9,6 +9,16 @@ / {
model = "Variscite VAR-SOM-MX8M-PLUS on Symphony-Board";
compatible = "variscite,var-som-mx8mp-symphony", "variscite,var-som-mx8mp", "fsl,imx8mp";
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ led-0 {
+ function = LED_FUNCTION_POWER;
+ gpios = <&pca9534 0 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
compatible = "regulator-fixed";
regulator-name = "VSD_3V3";
@@ -31,6 +41,33 @@ reg_usdhc2_vqmmc: regulator-usdhc2-vqmmc {
};
};
+&i2c3 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c3>;
+ status = "okay";
+
+ /* GPIO expander */
+ pca9534: gpio@20 {
+ compatible = "nxp,pca9534";
+ reg = <0x20>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pca9534>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
+ wakeup-source;
+
+ usb3-sata-sel-hog {
+ gpio-hog;
+ gpios = <4 0>;
+ output-low;
+ line-name = "usb3_sata_sel";
+ };
+ };
+};
+
/* SD-card */
&usdhc2 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
@@ -45,6 +82,19 @@ &usdhc2 {
};
&iomuxc {
+ pinctrl_i2c3: i2c3grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2
+ MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c2
+ >;
+ };
+
+ pinctrl_pca9534: pca9534grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15 0xc0
+ >;
+ };
+
pinctrl_usdhc2_gpio: usdhc2-gpiogrp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14 0x1c4
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
index 949d9878f395..158a78ec9656 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
@@ -19,16 +19,6 @@ chosen {
stdout-path = &uart2;
};
- gpio-leds {
- compatible = "gpio-leds";
-
- led-0 {
- function = LED_FUNCTION_POWER;
- gpios = <&pca9534 0 GPIO_ACTIVE_HIGH>;
- linux,default-trigger = "heartbeat";
- };
- };
-
memory@...00000 {
device_type = "memory";
reg = <0x0 0x40000000 0 0xc0000000>,
@@ -216,33 +206,6 @@ ldo5: LDO5 {
};
};
-&i2c3 {
- clock-frequency = <400000>;
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_i2c3>;
- status = "okay";
-
- /* GPIO expander */
- pca9534: gpio@20 {
- compatible = "nxp,pca9534";
- reg = <0x20>;
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_pca9534>;
- gpio-controller;
- #gpio-cells = <2>;
- interrupt-parent = <&gpio1>;
- interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
- wakeup-source;
-
- usb3-sata-sel-hog {
- gpio-hog;
- gpios = <4 0>;
- output-low;
- line-name = "usb3_sata_sel";
- };
- };
-};
-
/* Console */
&uart2 {
pinctrl-names = "default";
@@ -298,19 +261,6 @@ MX8MP_IOMUXC_SD1_DATA5__I2C1_SDA 0x400001c2
>;
};
- pinctrl_i2c3: i2c3grp {
- fsl,pins = <
- MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2
- MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c2
- >;
- };
-
- pinctrl_pca9534: pca9534grp {
- fsl,pins = <
- MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15 0xc0
- >;
- };
-
pinctrl_pmic: pmicgrp {
fsl,pins = <
MX8MP_IOMUXC_SPDIF_RX__GPIO5_IO04 0x1c0
--
2.47.3
Powered by blists - more mailing lists