shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 12:17:12 +09:00
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: ti: k3-am642: reserve gpio in mcu domain for firmware usage

Browse Source 
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: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210319051950.17549-3-a-govindraju@ti.com
This commit is contained in:
Aswath Govindraju
2021-03-19 10:49:50 +05:30
committed by Nishanth Menon
parent 01a91e01b8
commit d5a4d5413d
2 changed files with 10 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm64/boot/dts/ti/k3-am642-evm.dts
View File

@@ -310,6 +310,11 @@
};
};
/* mcu_gpio0 is reserved for mcu firmware usage */
&mcu_gpio0 {
status = "reserved";
};
&mcu_i2c0 {
status = "disabled";
};

5
arch/arm64/boot/dts/ti/k3-am642-sk.dts
View File

@@ -220,6 +220,11 @@
status = "disabled";
};
/* mcu_gpio0 is reserved for mcu firmware usage */
&mcu_gpio0 {
status = "reserved";
};
&sdhci1 {
/* SD/MMC */
vmmc-supply = <&vdd_mmc1>;