Commit d5a4d541 authored by Aswath Govindraju's avatar Aswath Govindraju Committed by Nishanth Menon
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arm64: dts: ti: k3-am642: reserve gpio in mcu domain for firmware usage 



The gpio0 subsystem present in MCU domain might be used by firmware and is
not pinned out in evm/sk. Therefore, reserve it for MCU firmware.

Signed-off-by: default avatarAswath Govindraju <a-govindraju@ti.com>
Signed-off-by: default avatarNishanth Menon <nm@ti.com>
Reviewed-by: default avatarLokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210319051950.17549-3-a-govindraju@ti.com
parent 01a91e01

arch/arm64/boot/dts/ti/k3-am642-evm.dts

+5 −0
Original line number Diff line number Diff line
@@ -310,6 +310,11 @@ display@3c { 
	};

};



/* mcu_gpio0 is reserved for mcu firmware usage */

&mcu_gpio0 {

	status = "reserved";

};



&mcu_i2c0 {

	status = "disabled";

};

arch/arm64/boot/dts/ti/k3-am642-sk.dts

+5 −0
Original line number Diff line number Diff line
@@ -220,6 +220,11 @@ &mcu_spi1 { 
	status = "disabled";

};



/* mcu_gpio0 is reserved for mcu firmware usage */

&mcu_gpio0 {

	status = "reserved";

};



&sdhci1 {

	/* SD/MMC */

	vmmc-supply = <&vdd_mmc1>;