[PATCH 2/3] arm64: dts: mba93xxca: Do not assert power-down pins
Alexander Stein
alexander.stein at ew.tq-group.com
Tue Jan 7 06:11:16 PST 2025
Change the output to inactive (output-low) for active-low pins, resulting
in high-voltage of power-down pins. Thus this enables the attached
devices.
Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
.../freescale/imx93-tqma9352-mba93xxca.dts | 24 +++++++++----------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts
index 861a028a1b165..b8ccc946c62d7 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts
@@ -448,38 +448,38 @@ expander1: gpio at 71 {
"WLAN_PERST#", "12V_EN";
/*
- * Controls the WiFi card PD pin which is low active
- * as power down signal. The output-high states, the signal
- * is active, e.g. card is powered down
+ * Controls the WiFi card's low-active power down pin.
+ * The output-low states, the signal is inactive,
+ * resulting in high signal at power-down pin
*/
wlan-pd-hog {
gpio-hog;
gpios = <4 GPIO_ACTIVE_LOW>;
- output-high;
+ output-low;
line-name = "WLAN_PD#";
};
/*
- * Controls the WiFi card disable pin which is low active
- * as disable signal. The output-high states, the signal
- * is active, e.g. card is disabled
+ * Controls the WiFi card's low-active disable pin.
+ * The output-low states, the signal is inactive,
+ * resulting in high signal at power-down pin
*/
wlan-wdisable-hog {
gpio-hog;
gpios = <5 GPIO_ACTIVE_LOW>;
- output-high;
+ output-low;
line-name = "WLAN_W_DISABLE#";
};
/*
- * Controls the WiFi card reset pin which is low active
- * as reset signal. The output-high states, the signal
- * is active, e.g. card in reset
+ * Controls the WiFi card's reset pin.
+ * The output-low states, the signal is inactive,
+ * resulting in high signal at power-down pin
*/
wlan-perst-hog {
gpio-hog;
gpios = <6 GPIO_ACTIVE_LOW>;
- output-high;
+ output-low;
line-name = "WLAN_PERST#";
};
};
--
2.34.1
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