linux-kernel - Re: [PATCH 3/5] arm64: dts: ti: k3-j7200: main

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Message-ID: <e7ce0120-7843-b029-21cc-97d82abc19d9@ti.com>
Date:   Wed, 26 Apr 2023 19:47:40 +0530
From:   "Kumar, Udit" <u-kumar1@...com>
To:     Nishanth Menon <nm@...com>
CC:     <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <m-chawdhry@...com>, <n-francis@...com>, <u-kumar1@...com>
Subject: Re: [PATCH 3/5] arm64: dts: ti: k3-j7200: main_pmx0 clean up

Hi Nishanth,

On 4/26/2023 6:21 PM, Nishanth Menon wrote:
> On 16:02-20230426, Udit Kumar wrote:
>> This patch removes duplicated define of main_i2c0
>> and adds main_uart0 pin mux.
>>
>> Signed-off-by: Udit Kumar <u-kumar1@...com>
>> ---
>>   arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts | 10 +++++++---
>>   1 file changed, 7 insertions(+), 3 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
>> index 63633e4f6c59..37eb24d69924 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
>> @@ -107,10 +107,12 @@ J721E_WKUP_IOPAD(0x0030, PIN_INPUT, 0) /* (L4) MCU_MDIO0_MDIO */
>>   };
>>   
>>   &main_pmx0 {
>> -	main_i2c0_pins_default: main-i2c0-pins-default {
> nice catch, but We should clean up the reference in
> common-proc-board.dts, which would make it it's own patch. Also
> indicate that the definition is already present in som.dtsi
>
thanks , will make a patch for its own


>> +	main_uart0_pins_default: main_uart0_pins_default {
>>   		pinctrl-single,pins = <
>> -			J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */
>> -			J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */
>> +			J721E_IOPAD(0xb0, PIN_INPUT, 0) /* (T16) UART0_RXD */
>> +			J721E_IOPAD(0xb4, PIN_OUTPUT, 0) /* (T17) UART0_TXD */
>> +			J721E_IOPAD(0xc0, PIN_INPUT, 2) /* (W3) SPI0_CS0.UART0_CTSn */
>> +			J721E_IOPAD(0xc4, PIN_OUTPUT, 2) /* (U5) SPI0_CS1.UART0_RTSn */
>>   		>;
>>   	};
>>   
>> @@ -163,6 +165,8 @@ &main_uart0 {
>>   	status = "okay";
>>   	/* Shared with ATF on this platform */
>>   	power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&main_uart0_pins_default>;
>>   };
>>   
>>   &main_uart1 {
>> -- 
>> 2.34.1
>>