[PATCH 2/2] arm64: dts: ti: Add basic support for phyBOARD-Izar-AM68x
Nishanth Menon
nm at ti.com
Fri Apr 11 05:29:42 PDT 2025
Quick look comments below.
On 12:10-20250411, Dominik Haller wrote:
> The phyCORE-AM68x/TDA4x [1] is a SoM (System on Module) featuring TI's
> AM68x/TDA4x SoC. It can be used in combination with different carrier
> boards. This module can come with different sizes and models for DDR,
> eMMC, SPI NOR Flash and various SoCs from the AM68x/TDA4x (J721S2) family.
>
> A reference carrier board design, called phyBOARD-Izar is used for the
> phyCORE-AM68x/TDA4x development kit [2].
>
> Supported features:
> * Debug UART
> * 2x SPI NOR Flash
> * eMMC
> * 2x Ethernet
> * Micro SD card
> * I2C EEPROM
> * I2C RTC
> * 2x I2C GPIO Expander
> * LEDs
> * USB 5 Gbit/s
> * PCIe
Can we drop the whitespace prefix?
>
> For more details see the product pages for the SoM and the
> development kit:
>
> [1] https://www.phytec.eu/en/produkte/system-on-modules/phycore-am68x-tda4x/
> [2] https://www.phytec.eu/en/produkte/development-kits/phyboard-izar/
>
> Signed-off-by: Dominik Haller <d.haller at phytec.de>
> ---
Could you share the bootlog in the diffstat along with output of
deferred_devices Using the default defconfig -> I want to make sure
there are no defconfig updates needed.
> arch/arm64/boot/dts/ti/Makefile | 1 +
> .../boot/dts/ti/k3-am68-phyboard-izar.dts | 576 +++++++++++++++++
> .../boot/dts/ti/k3-am68-phycore-som.dtsi | 594 ++++++++++++++++++
> 3 files changed, 1171 insertions(+)
> create mode 100644 arch/arm64/boot/dts/ti/k3-am68-phyboard-izar.dts
> create mode 100644 arch/arm64/boot/dts/ti/k3-am68-phycore-som.dtsi
>
[...]
> +
> +#include "k3-serdes.h"
> +
> +/ {
> + compatible = "phytec,am68-phyboard-izar", "ti,j721s2";
> + model = "PHYTEC phyBOARD-Izar-AM68x";
> +
> + aliases {
> + ethernet0 = &cpsw_port1;
> + mmc1 = &main_sdhci1;
> + serial0 = &wkup_uart0;
> + serial1 = &mcu_uart0;
> + serial2 = &main_uart8;
> + serial3 = &main_uart1;
> + serial4 = &main_uart2;
Could you order this slightly differently:
serial
mmc
ethernet
> + };
> +
> + chosen {
> + stdout-path = "serial2:115200n8";
= &main_uart8
> + };
> +
> + transceiver1: can-phy1 {
> + compatible = "ti,tcan1043";
> + #phy-cells = <0>;
> + max-bitrate = <8000000>;
> + };
> +
[...]
> +
> +&serdes_refclk {
> + clock-frequency = <100000000>;
> +};
> +
> +&serdes0 {
> + status = "okay";
Documentation/devicetree/bindings/dts-coding-style.rst
Add an EoL
> + serdes0_pcie_link: phy at 0 {
> + reg = <0>;
> + cdns,num-lanes = <1>;
> + #phy-cells = <0>;
> + cdns,phy-type = <PHY_TYPE_PCIE>;
vendor specific properties come last
> + resets = <&serdes_wiz0 1>;
> + };
Add an EoL
> + serdes0_usb_link: phy at 1 {
> + reg = <1>;
> + cdns,num-lanes = <1>;
> + #phy-cells = <0>;
> + cdns,phy-type = <PHY_TYPE_USB3>;
Same.
> + resets = <&serdes_wiz0 2>;
> + };
> +};
> +
[...]
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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