linux-kernel - Re: [RESEND PATCH v3 2/2] ARM64: dts: meson-axg: add pinctrl DT info for Meson-AXG SoC

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Date:   Thu, 7 Dec 2017 09:44:14 +0800
From:   Yixun Lan <yixun.lan@...ogic.com>
To:     Kevin Hilman <khilman@...libre.com>
CC:     <yixun.lan@...ogic.com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Carlo Caione <carlo@...one.org>,
        Xingyu Chen <xingyu.chen@...ogic.com>,
        <devicetree@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH v3 2/2] ARM64: dts: meson-axg: add pinctrl DT info
 for Meson-AXG SoC

Hi Kevin


On 12/07/17 04:18, Kevin Hilman wrote:
> Yixun Lan <yixun.lan@...ogic.com> writes:
> 
>> From: Xingyu Chen <xingyu.chen@...ogic.com>
>>
>> Add new pinctrl DT info for the Amlogic's Meson-AXG SoC.
>>
>> Reviewed-by: Neil Armstrong <narmstrong@...libre.com>
>> Signed-off-by: Xingyu Chen <xingyu.chen@...ogic.com>
>> Signed-off-by: Yixun Lan <yixun.lan@...ogic.com>
>> ---
>>  arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 44 ++++++++++++++++++++++++++++++
>>  1 file changed, 44 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
>> index 5fc33b76b91c..e0fb860e12c5 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
>> @@ -9,6 +9,7 @@
>>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>>  #include <dt-bindings/clock/axg-clkc.h>
>>  #include <dt-bindings/clock/axg-aoclkc.h>
> 
> This doesn't apply because this aoclkc.h header does not exist in
> mainline.
> 
> Kevin
> 

this is due to I create the patch in serial sequence (first clk, then
pinctrl), I probably will fix my work flow next time - to rebase all the
patch separately on the -rc version

but here, the pinctrl DT part has no dependency on DT clk patch..
you could drop the above two #include and just apply the reset

could you amend & apply this? or do you want me to send another updated
version?

>> +#include <dt-bindings/gpio/meson-axg-gpio.h>
>>  
>>  / {
>>  	compatible = "amlogic,meson-axg";
>> @@ -173,6 +174,32 @@
>>  			#mbox-cells = <1>;
>>  		};
>>  
>> +		periphs: periphs@...34000 {
>> +			compatible = "simple-bus";
>> +			reg = <0x0 0xff634000 0x0 0x2000>;
>> +			#address-cells = <2>;
>> +			#size-cells = <2>;
>> +			ranges = <0x0 0x0 0x0 0xff634000 0x0 0x2000>;
>> +
>> +			pinctrl_periphs: pinctrl@480 {
>> +				compatible = "amlogic,meson-axg-periphs-pinctrl";
>> +				#address-cells = <2>;
>> +				#size-cells = <2>;
>> +				ranges;
>> +
>> +				gpio: bank@480 {
>> +					reg = <0x0 0x00480 0x0 0x40>,
>> +						<0x0 0x004e8 0x0 0x14>,
>> +						<0x0 0x00520 0x0 0x14>,
>> +						<0x0 0x00430 0x0 0x3c>;
>> +					reg-names = "mux", "pull", "pull-enable", "gpio";
>> +					gpio-controller;
>> +					#gpio-cells = <2>;
>> +					gpio-ranges = <&pinctrl_periphs 0 0 86>;
>> +				};
>> +			};
>> +		};
>> +
>>  		sram: sram@...c0000 {
>>  			compatible = "amlogic,meson-axg-sram", "mmio-sram";
>>  			reg = <0x0 0xfffc0000 0x0 0x20000>;
>> @@ -209,6 +236,23 @@
>>  				};
>>  			};
>>  
>> +			pinctrl_aobus: pinctrl@14 {
>> +				compatible = "amlogic,meson-axg-aobus-pinctrl";
>> +				#address-cells = <2>;
>> +				#size-cells = <2>;
>> +				ranges;
>> +
>> +				gpio_ao: bank@14 {
>> +					reg = <0x0 0x00014 0x0 0x8>,
>> +						<0x0 0x0002c 0x0 0x4>,
>> +						<0x0 0x00024 0x0 0x8>;
>> +					reg-names = "mux", "pull", "gpio";
>> +					gpio-controller;
>> +					#gpio-cells = <2>;
>> +					gpio-ranges = <&pinctrl_aobus 0 0 15>;
>> +				};
>> +			};
>> +
>>  			uart_AO: serial@...0 {
>>  				compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart";
>>  				reg = <0x0 0x3000 0x0 0x18>;
> 
> .
>