diff mbox series

[2/4] arm64: dts: ti: j721e*: Define aliases in board files

Message ID 20220830152132.23916-3-nm@ti.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: ti: *: Define aliases in board file | expand

Commit Message

Nishanth Menon Aug. 30, 2022, 3:21 p.m. UTC
Define aliases in board files, instead of in the SoC dtsi file.

Reported-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
---
 .../dts/ti/k3-j721e-common-proc-board.dts     | 19 +++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j721e-sk.dts        | 19 +++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j721e.dtsi          | 19 -------------------
 3 files changed, 38 insertions(+), 19 deletions(-)

Comments

Arnd Bergmann Aug. 30, 2022, 6:18 p.m. UTC | #1
On Tue, Aug 30, 2022, at 5:21 PM, Nishanth Menon wrote:
> Define aliases in board files, instead of in the SoC dtsi file.
>
> Reported-by: Daniel Thompson <daniel.thompson@linaro.org>
> Signed-off-by: Nishanth Menon <nm@ti.com>

The patch is a good step in the right direction, but

> 
> +	aliases {
> +		serial0 = &wkup_uart0;
> +		serial1 = &mcu_uart0;
> +		serial2 = &main_uart0;
> +		serial3 = &main_uart1;
> +		serial4 = &main_uart2;
> +		serial5 = &main_uart3;
> +		serial6 = &main_uart4;
> +		serial7 = &main_uart5;
> +		serial8 = &main_uart6;
> +		serial9 = &main_uart7;
> +		serial10 = &main_uart8;
> +		serial11 = &main_uart9;
> +		ethernet0 = &cpsw_port1;
> +		mmc0 = &main_sdhci0;
> +		mmc1 = &main_sdhci1;
> +		mmc2 = &main_sdhci2;

Are all these devices actually used on both of the boards?

There is no point in defining an alias if the board
does not route these to a device or a connector.

      Arnd
Nishanth Menon Aug. 30, 2022, 8:15 p.m. UTC | #2
On 20:18-20220830, Arnd Bergmann wrote:
> On Tue, Aug 30, 2022, at 5:21 PM, Nishanth Menon wrote:
> > Define aliases in board files, instead of in the SoC dtsi file.
> >
> > Reported-by: Daniel Thompson <daniel.thompson@linaro.org>
> > Signed-off-by: Nishanth Menon <nm@ti.com>
> 
> The patch is a good step in the right direction, but
> 
> > 
> > +	aliases {
> > +		serial0 = &wkup_uart0;
> > +		serial1 = &mcu_uart0;
> > +		serial2 = &main_uart0;
> > +		serial3 = &main_uart1;
> > +		serial4 = &main_uart2;
> > +		serial5 = &main_uart3;
> > +		serial6 = &main_uart4;
> > +		serial7 = &main_uart5;
> > +		serial8 = &main_uart6;
> > +		serial9 = &main_uart7;
> > +		serial10 = &main_uart8;
> > +		serial11 = &main_uart9;
> > +		ethernet0 = &cpsw_port1;
> > +		mmc0 = &main_sdhci0;
> > +		mmc1 = &main_sdhci1;
> > +		mmc2 = &main_sdhci2;
> 
> Are all these devices actually used on both of the boards?
> 
> There is no point in defining an alias if the board
> does not route these to a device or a connector.

Thanks and true, I had indeed missed cross checking against the usage.
Will recheck, cleanup and respin this series.
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index b1691ac3442d..7355144bdc19 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -15,6 +15,25 @@  / {
 	compatible = "ti,j721e-evm", "ti,j721e";
 	model = "Texas Instruments J721e EVM";
 
+	aliases {
+		serial0 = &wkup_uart0;
+		serial1 = &mcu_uart0;
+		serial2 = &main_uart0;
+		serial3 = &main_uart1;
+		serial4 = &main_uart2;
+		serial5 = &main_uart3;
+		serial6 = &main_uart4;
+		serial7 = &main_uart5;
+		serial8 = &main_uart6;
+		serial9 = &main_uart7;
+		serial10 = &main_uart8;
+		serial11 = &main_uart9;
+		ethernet0 = &cpsw_port1;
+		mmc0 = &main_sdhci0;
+		mmc1 = &main_sdhci1;
+		mmc2 = &main_sdhci2;
+	};
+
 	chosen {
 		stdout-path = "serial2:115200n8";
 		bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
index 80358cba6954..f5e6ab2ef35c 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
@@ -16,6 +16,25 @@  / {
 	compatible = "ti,j721e-sk", "ti,j721e";
 	model = "Texas Instruments J721E SK";
 
+	aliases {
+		serial0 = &wkup_uart0;
+		serial1 = &mcu_uart0;
+		serial2 = &main_uart0;
+		serial3 = &main_uart1;
+		serial4 = &main_uart2;
+		serial5 = &main_uart3;
+		serial6 = &main_uart4;
+		serial7 = &main_uart5;
+		serial8 = &main_uart6;
+		serial9 = &main_uart7;
+		serial10 = &main_uart8;
+		serial11 = &main_uart9;
+		ethernet0 = &cpsw_port1;
+		mmc0 = &main_sdhci0;
+		mmc1 = &main_sdhci1;
+		mmc2 = &main_sdhci2;
+	};
+
 	chosen {
 		stdout-path = "serial2:115200n8";
 		bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
index 0e23886c9fd1..e8e93d075dc4 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
@@ -17,25 +17,6 @@  / {
 	#address-cells = <2>;
 	#size-cells = <2>;
 
-	aliases {
-		serial0 = &wkup_uart0;
-		serial1 = &mcu_uart0;
-		serial2 = &main_uart0;
-		serial3 = &main_uart1;
-		serial4 = &main_uart2;
-		serial5 = &main_uart3;
-		serial6 = &main_uart4;
-		serial7 = &main_uart5;
-		serial8 = &main_uart6;
-		serial9 = &main_uart7;
-		serial10 = &main_uart8;
-		serial11 = &main_uart9;
-		ethernet0 = &cpsw_port1;
-		mmc0 = &main_sdhci0;
-		mmc1 = &main_sdhci1;
-		mmc2 = &main_sdhci2;
-	};
-
 	chosen { };
 
 	cpus {