Hi Nishanth, On 09/03/21 9:28 pm, Nishanth Menon wrote: > On 21:20-20210309, Aswath Govindraju wrote: >> Hi Nishanth, >> >> On 09/03/21 8:13 pm, Nishanth Menon wrote: >>> On 16:59-20210304, Aswath Govindraju wrote: >>>> The following series of patches adds support for gpio on AM642 evm/sk. >>>> >>>> Changes since v1: >>>> - Added DT for gpio subsystem present in MCU domain >>>> - reserved the mcu gpio for firmware usage >>>> >>>> This series of patches depend on, >>>> https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=439039 >>>> https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=439153 >>>> >>>> >>>> Aswath Govindraju (2): >>>> arm64: dts: ti: k3-am64: Add GPIO DT nodes >>>> arm64: dts: ti: k3-am642: reserve gpio in mcu domain for firmware >>>> usage >>>> >>>> arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 45 ++++++++++++++++++++++++ >>>> arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi | 27 ++++++++++++++ >>>> arch/arm64/boot/dts/ti/k3-am642-evm.dts | 5 +++ >>>> arch/arm64/boot/dts/ti/k3-am642-sk.dts | 5 +++ >>>> 4 files changed, 82 insertions(+) >>>> >>>> -- >>>> 2.17.1 >>>> >>> >>> >>> Based on your offline comment: >>> ----- >>> >>> On going through the bootlogs before posting for I found the following >>> errors, >>> >>> [ 1.091117] davinci_gpio 601000.gpio: IRQ index 2 not found >>> [ 1.101522] davinci_gpio 601000.gpio: error -ENXIO: IRQ not populated >>> >>> Some issues in allocating interrupts in case of main_gpio1. I >>> accumulated the gpio with interrupt numbers. I'll try to debug the >>> reason behind it and update you with its status. (bootlogs of ti-sdk, >>> also have this error). >>> >>> ----- >>> >>> I am going to drop this off my queue, please update if the fixup is some >>> system configuration error or repost with fix. >>> >> >> This is expected to be a fixup in the system configuration and not a bug >> in the patch series. So, can you please have these patches in your queue >> ? I'll soon post the test results indicating the functioning of GPIOs. > > > Thanks for clarifying. I will wait till the test results are posted. > Thanks in advance for digging into this and detailed testing. > I've posted a respin(v3) of this series after rebasing on top of ti-k3-dts-next branch and adding the GPIO test logs. Thanks, Aswath