linux-kernel - Re: [PATCH] arm64: dts: ti: k3-am62-mcu: Enable MCU GPIO module

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Message-ID: <d802f305-90d6-decf-c7ad-547d3c8a80da@ti.com>
Date:   Wed, 27 Apr 2022 20:54:07 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Aswath Govindraju <a-govindraju@...com>,
        Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: Re: [PATCH] arm64: dts: ti: k3-am62-mcu: Enable MCU GPIO module



On 27/04/22 4:36 pm, Aswath Govindraju wrote:
> On 21/04/22 11:49, Vignesh Raghavendra wrote:
>> AM62 has x1 GPIO module and associated interrupt router in MCU Domain.
>> Add DT nodes for the same.
>>
>> Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
>> ---
>>  arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi | 28 +++++++++++++++++++++++++
>>  1 file changed, 28 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
>> index d103824c963f..45343381ad0b 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
>> @@ -53,4 +53,32 @@ mcu_spi1: spi@...0000 {
>>  		power-domains = <&k3_pds 148 TI_SCI_PD_EXCLUSIVE>;
>>  		clocks = <&k3_clks 148 0>;
>>  	};
>> +
>> +	mcu_gpio_intr: interrupt-controller@...0000 {
>> +		compatible = "ti,sci-intr";
>> +		reg = <0x00 0x04210000 0x00 0x200>;
>> +		ti,intr-trigger-type = <1>;
>> +		interrupt-controller;
>> +		interrupt-parent = <&gic500>;
>> +		#interrupt-cells = <1>;
>> +		ti,sci = <&dmsc>;
>> +		ti,sci-dev-id = <5>;
>> +		ti,interrupt-ranges = <0 104 4>;
>> +	};
>> +
>> +	mcu_gpio0: gpio@...1000 {
>> +		compatible = "ti,am64-gpio", "ti,keystone-gpio";
>> +		reg = <0x0 0x4201000 0x0 0x100>;
> 
> nitpick: reg = <0x00 0x04201000 0x00 0x100>;

Ah, yes.. Will fix locally before merging.

> 
>> +		gpio-controller;
>> +		#gpio-cells = <2>;
>> +		interrupt-parent = <&mcu_gpio_intr>;
>> +		interrupts = <30>, <31>;
>> +		interrupt-controller;
>> +		#interrupt-cells = <2>;
>> +		ti,ngpio = <24>;
>> +		ti,davinci-gpio-unbanked = <0>;
>> +		power-domains = <&k3_pds 79 TI_SCI_PD_EXCLUSIVE>;
>> +		clocks = <&k3_clks 79 0>;
>> +		clock-names = "gpio";
>> +	};
>>  };
> 
> 
> Aside from the above minor change,
> 
> Reviewed-by: Aswath Govindraju <a-govindraju@...com>
> 

Thanks!

Regards
Vignesh