Re: [PATCH 2/2] ARM: dts: am5729: beaglebone-ai: adding device tree

From: Grygorii Strashko
Date: Mon Nov 18 2019 - 06:33:39 EST




On 14/11/2019 19:09, Caleb Robey wrote:
From: Jason Kridner <jdk@xxxxxx>

BeagleBoard.org BeagleBone AI is an open source hardware single
board computer based on the Texas Instruments AM5729 SoC featuring
dual-core 1.5GHz Arm Cortex-A15 processor, dual-core C66 digital
signal processor (DSP), quad-core embedded vision engine (EVE),
Arm Cortex-M4 processors, dual programmable realtime unit
industrial control subsystems and more. The board features 1GB
DDR3L, USB3.0 Type-C, USB HS Type-A, microHDMI, 16GB eMMC flash,
1G Ethernet, 802.11ac 2/5GHz, Bluetooth, and BeagleBone expansion
headers.

For more information, refer to:
https://beaglebone.ai

This patch introduces the BeagleBone AI device tree.

Note that the device use the "ti,tpd12s016" component which is
software compatible with "ti,tpd12s015". Thus we only use the
latter driver.

Signed-off-by: Jason Kridner <jdk@xxxxxx>
Cc: Robert Nelson <robertcnelson@xxxxxxxxx>
Cc: Caleb Robey <c-robey@xxxxxx>

---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/am5729-beagleboneai.dts | 733 ++++++++++++++++++++++
2 files changed, 734 insertions(+)
create mode 100644 arch/arm/boot/dts/am5729-beagleboneai.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b21b3a64641a..b1154dbda73c 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -791,6 +791,7 @@ dtb-$(CONFIG_SOC_DRA7XX) += \
am57xx-beagle-x15.dtb \
am57xx-beagle-x15-revb1.dtb \

[..]

+
+&davinci_mdio {
+ reset-gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
+ reset-delay-us = <2>;
+
+ phy0: ethernet-phy@1 {
+ reg = <4>;
+ compatible = "ethernet-phy-id004d.d072",
+ "ethernet-phy-ieee802.3-c22";

is it really required to have above compatible prop?
It's expected to work without it.

+ eee-broken-100tx;
+ eee-broken-1000t;
+ };
+};
+
+&mac {
+ slaves = <1>;
+ status = "okay";
+};
+
+&cpsw_emac0 {
+ phy-handle = <&phy0>;
+ phy-mode = "rgmii";
+};
+

[...]

--
Best regards,
grygorii