2022-03-03 16:29:04

by Alexandre Belloni

Subject: Re: [PATCH v2 1/5] ARM: dts: at91: Move rtt node properties from "dts" file to "dtsi" file

On 03/03/2022 16:06:22+0200, Sergiu Moga wrote:
> Move the properties of the rtt node of RTT IPs from the "dts" file to the
> "dtsi" file, since it is more IP specific than it is board specific.
>

The fact that it uses a specific GPBR register makes it board specific
so I don't really agree with this patch.

> Signed-off-by: Sergiu Moga <[email protected]>
> ---
> arch/arm/boot/dts/at91-sam9x60ek.dts | 5 -----
> arch/arm/boot/dts/at91-sama7g5ek.dts | 4 ----
> arch/arm/boot/dts/at91sam9260.dtsi | 1 +
> arch/arm/boot/dts/at91sam9260ek.dts | 1 -
> arch/arm/boot/dts/at91sam9g45.dtsi | 1 +
> arch/arm/boot/dts/at91sam9m10g45ek.dts | 1 -
> arch/arm/boot/dts/sam9x60.dtsi | 1 +
> arch/arm/boot/dts/sama7g5.dtsi | 1 +
> 8 files changed, 4 insertions(+), 11 deletions(-)
>
> diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts
> index b1068cca4228..97ff91346cb4 100644
> --- a/arch/arm/boot/dts/at91-sam9x60ek.dts
> +++ b/arch/arm/boot/dts/at91-sam9x60ek.dts
> @@ -656,11 +656,6 @@ kernel@200000 {
> };
> };
>
> -&rtt {
> - atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> - status = "okay";
> -};
> -
> &shutdown_controller {
> debounce-delay-us = <976>;
> status = "okay";
> diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
> index ccf9e224da78..b7416d9469e3 100644
> --- a/arch/arm/boot/dts/at91-sama7g5ek.dts
> +++ b/arch/arm/boot/dts/at91-sama7g5ek.dts
> @@ -708,10 +708,6 @@ &pwm {
> status = "disabled"; /* Conflict with leds. */
> };
>
> -&rtt {
> - atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> -};
> -
> &sdmmc0 {
> bus-width = <8>;
> non-removable;
> diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
> index 7368347c9357..66d11c8f1a9b 100644
> --- a/arch/arm/boot/dts/at91sam9260.dtsi
> +++ b/arch/arm/boot/dts/at91sam9260.dtsi
> @@ -713,6 +713,7 @@ rtc@fffffd20 {
> reg = <0xfffffd20 0x10>;
> interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> clocks = <&pmc PMC_TYPE_CORE PMC_SLOW>;
> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> status = "disabled";
> };
>
> diff --git a/arch/arm/boot/dts/at91sam9260ek.dts b/arch/arm/boot/dts/at91sam9260ek.dts
> index ce96345d28a3..6932dab42f2e 100644
> --- a/arch/arm/boot/dts/at91sam9260ek.dts
> +++ b/arch/arm/boot/dts/at91sam9260ek.dts
> @@ -118,7 +118,6 @@ shdwc@fffffd10 {
> };
>
> rtc@fffffd20 {
> - atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> status = "okay";
> };
>
> diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
> index 2ab730fd6472..fd308e2c15e8 100644
> --- a/arch/arm/boot/dts/at91sam9g45.dtsi
> +++ b/arch/arm/boot/dts/at91sam9g45.dtsi
> @@ -929,6 +929,7 @@ rtc@fffffd20 {
> reg = <0xfffffd20 0x10>;
> interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> clocks = <&clk32k>;
> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> status = "disabled";
> };
>
> diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts
> index b6256a20fbc7..07bfa8ef715d 100644
> --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts
> +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts
> @@ -220,7 +220,6 @@ pwm0: pwm@fffb8000 {
> };
>
> rtc@fffffd20 {
> - atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> status = "okay";
> };
>
> diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi
> index ec45ced3cde6..57ba47c54043 100644
> --- a/arch/arm/boot/dts/sam9x60.dtsi
> +++ b/arch/arm/boot/dts/sam9x60.dtsi
> @@ -693,6 +693,7 @@ rtt: rtt@fffffe20 {
> reg = <0xfffffe20 0x20>;
> interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> clocks = <&clk32k 0>;
> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> };
>
> pit: timer@fffffe40 {
> diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi
> index eddcfbf4d223..1530d88ce80f 100644
> --- a/arch/arm/boot/dts/sama7g5.dtsi
> +++ b/arch/arm/boot/dts/sama7g5.dtsi
> @@ -138,6 +138,7 @@ rtt: rtt@e001d020 {
> reg = <0xe001d020 0x30>;
> interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> clocks = <&clk32k 0>;
> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> };
>
> clk32k: clock-controller@e001d050 {
> --
> 2.25.1
>

--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

2022-03-04 17:36:56

by Sergiu Moga

Subject: Re: [PATCH v2 1/5] ARM: dts: at91: Move rtt node properties from "dts" file to "dtsi" file

On 03.03.2022 18:07, Alexandre Belloni wrote:
> On 03/03/2022 16:06:22+0200, Sergiu Moga wrote:
>> Move the properties of the rtt node of RTT IPs from the "dts" file to the
>> "dtsi" file, since it is more IP specific than it is board specific.
>>
> The fact that it uses a specific GPBR register makes it board specific
> so I don't really agree with this patch.
>
Ah, I see. I will remove this patch from the series then.

>> Signed-off-by: Sergiu Moga <[email protected]>
>> ---
>> arch/arm/boot/dts/at91-sam9x60ek.dts | 5 -----
>> arch/arm/boot/dts/at91-sama7g5ek.dts | 4 ----
>> arch/arm/boot/dts/at91sam9260.dtsi | 1 +
>> arch/arm/boot/dts/at91sam9260ek.dts | 1 -
>> arch/arm/boot/dts/at91sam9g45.dtsi | 1 +
>> arch/arm/boot/dts/at91sam9m10g45ek.dts | 1 -
>> arch/arm/boot/dts/sam9x60.dtsi | 1 +
>> arch/arm/boot/dts/sama7g5.dtsi | 1 +
>> 8 files changed, 4 insertions(+), 11 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts
>> index b1068cca4228..97ff91346cb4 100644
>> --- a/arch/arm/boot/dts/at91-sam9x60ek.dts
>> +++ b/arch/arm/boot/dts/at91-sam9x60ek.dts
>> @@ -656,11 +656,6 @@ kernel@200000 {
>> };
>> };
>>
>> -&rtt {
>> - atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
>> - status = "okay";
>> -};
>> -
>> &shutdown_controller {
>> debounce-delay-us = <976>;
>> status = "okay";
>> diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
>> index ccf9e224da78..b7416d9469e3 100644
>> --- a/arch/arm/boot/dts/at91-sama7g5ek.dts
>> +++ b/arch/arm/boot/dts/at91-sama7g5ek.dts
>> @@ -708,10 +708,6 @@ &pwm {
>> status = "disabled"; /* Conflict with leds. */
>> };
>>
>> -&rtt {
>> - atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
>> -};
>> -
>> &sdmmc0 {
>> bus-width = <8>;
>> non-removable;
>> diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
>> index 7368347c9357..66d11c8f1a9b 100644
>> --- a/arch/arm/boot/dts/at91sam9260.dtsi
>> +++ b/arch/arm/boot/dts/at91sam9260.dtsi
>> @@ -713,6 +713,7 @@ rtc@fffffd20 {
>> reg = <0xfffffd20 0x10>;
>> interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
>> clocks = <&pmc PMC_TYPE_CORE PMC_SLOW>;
>> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
>> status = "disabled";
>> };
>>
>> diff --git a/arch/arm/boot/dts/at91sam9260ek.dts b/arch/arm/boot/dts/at91sam9260ek.dts
>> index ce96345d28a3..6932dab42f2e 100644
>> --- a/arch/arm/boot/dts/at91sam9260ek.dts
>> +++ b/arch/arm/boot/dts/at91sam9260ek.dts
>> @@ -118,7 +118,6 @@ shdwc@fffffd10 {
>> };
>>
>> rtc@fffffd20 {
>> - atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
>> status = "okay";
>> };
>>
>> diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
>> index 2ab730fd6472..fd308e2c15e8 100644
>> --- a/arch/arm/boot/dts/at91sam9g45.dtsi
>> +++ b/arch/arm/boot/dts/at91sam9g45.dtsi
>> @@ -929,6 +929,7 @@ rtc@fffffd20 {
>> reg = <0xfffffd20 0x10>;
>> interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
>> clocks = <&clk32k>;
>> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
>> status = "disabled";
>> };
>>
>> diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts
>> index b6256a20fbc7..07bfa8ef715d 100644
>> --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts
>> +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts
>> @@ -220,7 +220,6 @@ pwm0: pwm@fffb8000 {
>> };
>>
>> rtc@fffffd20 {
>> - atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
>> status = "okay";
>> };
>>
>> diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi
>> index ec45ced3cde6..57ba47c54043 100644
>> --- a/arch/arm/boot/dts/sam9x60.dtsi
>> +++ b/arch/arm/boot/dts/sam9x60.dtsi
>> @@ -693,6 +693,7 @@ rtt: rtt@fffffe20 {
>> reg = <0xfffffe20 0x20>;
>> interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
>> clocks = <&clk32k 0>;
>> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
>> };
>>
>> pit: timer@fffffe40 {
>> diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi
>> index eddcfbf4d223..1530d88ce80f 100644
>> --- a/arch/arm/boot/dts/sama7g5.dtsi
>> +++ b/arch/arm/boot/dts/sama7g5.dtsi
>> @@ -138,6 +138,7 @@ rtt: rtt@e001d020 {
>> reg = <0xe001d020 0x30>;
>> interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
>> clocks = <&clk32k 0>;
>> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
>> };
>>
>> clk32k: clock-controller@e001d050 {
>> --
>> 2.25.1
>>
> --
> Alexandre Belloni, co-owner and COO, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com

Thank you for the feedback.

Sergiu