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authorPhilippe Schenker <philippe.schenker@toradex.com>2020-02-03 17:21:26 +0100
committerPhilippe Schenker <philippe.schenker@toradex.com>2020-02-03 18:03:46 +0100
commit9c623983abc48e9cf9d366900c50428e119e5f63 (patch)
tree4fd2d50defdd3a39900d85ca1fff460fcd5c24c2 /arch
parent40f60264c7f8772d24283c17848dd099198a4cff (diff)
ARM64: dts: apalis-imx8qm: add wifi power down pin to pcie supply
Related-to: ELB-2359 Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-imx8qm-apalis.dtsi25
1 files changed, 22 insertions, 3 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qm-apalis.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8qm-apalis.dtsi
index 4abdb8a4ba7b..7f065adcd8c5 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8qm-apalis.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8qm-apalis.dtsi
@@ -92,6 +92,20 @@
regulator-max-microvolt = <3300000>;
};
+ reg_module_wifi: regulator-module-wifi {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wifi_pdn>;
+ regulator-name = "wifi_pwrdn_fake_regulator";
+ regulator-settling-time-us = <100>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
reg_pcie_switch: regulator-pcie-switch {
compatible = "regulator-fixed";
pinctrl-names = "default";
@@ -1131,14 +1145,19 @@
/* On-module Wi-Fi */
pinctrl_wifi: wifigrp {
fsl,pins = <
- /* On-module Wi-Fi_POWER_DOWN */
- SC_P_MIPI_CSI0_GPIO0_01_LSIO_GPIO1_IO28 0x06000021
/* On-module Wi-Fi_SUSCLK_32k */
SC_P_SCU_GPIO0_07_SCU_DSC_RTC_CLOCK_OUTPUT_32K 0x06000021
/* On-module Wi-Fi_PCIE_W_DISABLE */
SC_P_MIPI_CSI0_MCLK_OUT_LSIO_GPIO1_IO24 0x06000021
>;
};
+
+ pinctrl_wifi_pdn: wifipdngrp {
+ fsl,pins = <
+ /* On-module Wi-Fi_POWER_DOWN */
+ SC_P_MIPI_CSI0_GPIO0_01_LSIO_GPIO1_IO28 0x06000021
+ >;
+ };
};
};
@@ -1264,7 +1283,7 @@
<&pcie_sata_refclk_gate>;
/*clkreq-gpio = <&gpio4 30 GPIO_ACTIVE_LOW>;*/
clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_inbound_axi", "pcie_ext";
- /*epdev_on-supply = <&epdev_on>;*/
+ epdev_on-supply = <&reg_module_wifi>;
ext_osc = <1>;
fsl,max-link-speed = <1>;
reset-gpio = <&gpio5 0 GPIO_ACTIVE_LOW>;