linux-kernel - Re: [PATCH v3 4/5] arm64: dts: amlogic: a4: add pinctrl node

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Message-ID: <fa2fae63-cc0b-40a8-ab7e-82358532279c@amlogic.com>
Date: Mon, 20 Jan 2025 14:00:07 +0800
From: Xianwei Zhao <xianwei.zhao@...ogic.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>,
 Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
 Bartosz Golaszewski <brgl@...ev.pl>, linux-gpio@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH v3 4/5] arm64: dts: amlogic: a4: add pinctrl node

Hi Krzysztof,
    Thanks for your reply.

On 2025/1/17 16:41, Krzysztof Kozlowski wrote:
> [ EXTERNAL EMAIL ]
> 
> On Wed, Jan 15, 2025 at 02:42:02PM +0800, Xianwei Zhao wrote:
>> Add pinctrl device to support Amlogic A4 and add uart pinconf.
>>
>> Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
>> ---
>>   arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 133 ++++++++++++++++++++++++++++
>>   1 file changed, 133 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
>> index de10e7aebf21..8eb95580d64a 100644
>> --- a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
>> @@ -5,6 +5,7 @@
>>
>>   #include "amlogic-a4-common.dtsi"
>>   #include <dt-bindings/power/amlogic,a4-pwrc.h>
>> +#include <dt-bindings/pinctrl/amlogic,pinctrl.h>
>>   / {
>>        cpus {
>>                #address-cells = <2>;
>> @@ -48,3 +49,135 @@ pwrc: power-controller {
>>                };
>>        };
>>   };
>> +
>> +&apb {
>> +     periphs_pinctrl: pinctrl {
>> +             compatible = "amlogic,pinctrl-a4";
>> +             #address-cells = <2>;
>> +             #size-cells = <2>;
>> +             ranges;
>> +
>> +             gpiox: gpio@...0 {
>> +                     reg = <0 0x4100 0 0x40>,
>> +                           <0 0x400c 0 0xc>;
> 
> One line
> 

Will do.

>> +                     reg-names = "gpio", "mux";
>> +                     gpio-controller;
>> +                     #gpio-cells = <2>;
>> +                     bank-number = <AMLOGIC_GPIO_X>;
>> +                     gpio-ranges = <&periphs_pinctrl 0 (AMLOGIC_GPIO_X<<8) 18>;
>> +             };
>> +
>> +             gpiot: gpio@...0 {
>> +                     reg = <0 0x4140 0 0x40>,
>> +                           <0 0x402c 0 0xc>;
>> +                     reg-names = "gpio", "mux";
>> +                     gpio-controller;
>> +                     #gpio-cells = <2>;
>> +                     bank-number = <AMLOGIC_GPIO_T>;
>> +                     gpio-ranges = <&periphs_pinctrl 0 (AMLOGIC_GPIO_T<<8) 23>;
>> +             };
>> +
>> +             gpiod: gpio@...0 {
>> +                     reg = <0 0x4180 0 0x40>,
>> +                           <0 0x4040 0 0x8>;
>> +                     reg-names = "gpio", "mux";
>> +                     gpio-controller;
>> +                     #gpio-cells = <2>;
>> +                     bank-number = <AMLOGIC_GPIO_D>;
>> +                     gpio-ranges = <&periphs_pinctrl 0 (AMLOGIC_GPIO_D<<8) 16>;
>> +             };
>> +
>> +             gpioe: gpio@...0 {
>> +                     reg = <0 0x41c0 0 0x40>,
>> +                           <0 0x4048 0 0x4>;
>> +                     reg-names = "gpio", "mux";
>> +                     gpio-controller;
>> +                     #gpio-cells = <2>;
>> +                     bank-number = <AMLOGIC_GPIO_E>;
>> +                     gpio-ranges = <&periphs_pinctrl 0 (AMLOGIC_GPIO_E<<8) 2>;
>> +             };
>> +
>> +             gpiob: gpio@...0 {
>> +                     reg = <0 0x4240 0 0x40>,
>> +                           <0 0x4000 0 0x8>;
>> +                     reg-names = "gpio", "mux";
>> +                     gpio-controller;
>> +                     #gpio-cells = <2>;
>> +                     bank-number = <AMLOGIC_GPIO_B>;
>> +                     gpio-ranges = <&periphs_pinctrl 0 (AMLOGIC_GPIO_B<<8) 14>;
>> +             };
>> +
>> +             gpioao: gpio@...04 {
>> +                     reg = <0 0x8e704 0 0x16>,
>> +                           <0 0x8e700 0 0x4>;
>> +                     reg-names = "gpio", "mux";
>> +                     gpio-controller;
>> +                     #gpio-cells = <2>;
>> +                     bank-number = <AMLOGIC_GPIO_AO>;
>> +                     gpio-ranges = <&periphs_pinctrl 0 (AMLOGIC_GPIO_AO<<8) 7>;
>> +             };
>> +
>> +             test_n: gpio@...44 {
>> +                     reg = <0 0x8e744 0 0x20>;
>> +                     reg-names = "gpio";
>> +                     gpio-controller;
>> +                     #gpio-cells = <2>;
>> +                     bank-number = <AMLOGIC_GPIO_TEST_N>;
>> +                     gpio-ranges = <&periphs_pinctrl 0 (AMLOGIC_GPIO_TEST_N<<8) 1>;
>> +             };
>> +
>> +             func-uart-a {
>> +                     uart_a_default: group-uart-a-pins1 {
>> +                             pinmux= <AML_PINMUX(AMLOGIC_GPIO_X, 11, 1)>,
> 
> Missing space before '='. Follow DTS coding style.
> 

Will fix.

> Best regards,
> Krzysztof
>