Re: [PATCH v1 3/5] arm64: dts: ti: add verdin am62

From: Nishanth Menon
Date: Tue May 30 2023 - 08:11:12 EST


On 16:36-20230524, Francesco Dolcini wrote:
[...]
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
> new file mode 100644
> index 000000000000..e138b1c8ed14
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
> @@ -0,0 +1,233 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2023 Toradex

Please also add appropriate product links to dts/dtsi

> + */
> +
> +/ {
> + sound_card: sound-card {
> + compatible = "simple-audio-card";
> + simple-audio-card,bitclock-master = <&dailink_master>;
> + simple-audio-card,format = "i2s";
> + simple-audio-card,frame-master = <&dailink_master>;
> + simple-audio-card,name = "verdin-nau8822";
> + simple-audio-card,routing =
> + "Headphones", "LHP",
> + "Headphones", "RHP",
> + "Speaker", "LSPK",
> + "Speaker", "RSPK",
> + "Line Out", "AUXOUT1",
> + "Line Out", "AUXOUT2",
> + "LAUX", "Line In",
> + "RAUX", "Line In",
> + "LMICP", "Mic In",
> + "RMICP", "Mic In";
> + simple-audio-card,widgets =
> + "Headphones", "Headphones",
> + "Line Out", "Line Out",
> + "Speaker", "Speaker",
> + "Microphone", "Mic In",
> + "Line", "Line In";
> +
> + dailink_master: simple-audio-card,codec {
> + clocks = <&k3_clks 157 10>;
> + sound-dai = <&nau8822_1a>;
> + };
> +
> + simple-audio-card,cpu {
> + sound-dai = <&mcasp0>;
> + };
> + };
> +};
> +
> +/* Verdin ETHs */
> +&cpsw3g {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rgmii1 &pinctrl_rgmii2>;

here and elsewhere:
pinctrl-0 = <&pinctrl_rgmii1>, <&pinctrl_rgmii2>;


> + status = "okay";
> +};
[...]
> + /* EEPROM */
> + eeprom@57 {
> + compatible = "st,24c02", "atmel,24c02";

checkpatch warns: DT compatible string "st,24c02" appears un-documented

> + reg = <0x57>;
> + pagesize = <16>;
> + };
> +};
> +
> +/* Verdin I2C_2_DSI */
> +&main_i2c2 {
> + status = "okay";

Here and few other dtsis:
you should set status along with pinmux.

[...]
> +
> +/* Verdin UART_2 */
> +&wkup_uart0 {
> + /* FIXME: WKUP UART0 is used by DM firmware */
> + status = "reserved";

If you do configure this in R5 SPL, you'd want to add the pinmux as
well.

> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-wifi.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-wifi.dtsi
> new file mode 100644
> index 000000000000..289db1666fc0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-wifi.dtsi
> @@ -0,0 +1,36 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2023 Toradex
> + */
> +
> +/ {
> + wifi_pwrseq: wifi-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wifi_en>;
> + reset-gpios = <&main_gpio0 22 GPIO_ACTIVE_LOW>;
> + };
> +};
> +
> +

Drop extra EoLs.

[...]

> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
> new file mode 100644
> index 000000000000..2e7cb607df45
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
> @@ -0,0 +1,1400 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT

Assuming you really intent this instead of purely GPL-2.0

[...]

> +/* MDIO, shared by Verdin ETH_1 (On-module PHY) and Verdin ETH_2_RGMII */
> +&cpsw3g_mdio {
> + assigned-clocks = <&k3_clks 157 20>;
> + assigned-clock-parents = <&k3_clks 157 22>;
> + assigned-clock-rates = <25000000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_eth_clock &pinctrl_mdio>;
> + status = "disabled";
> +
> + cpsw3g_phy0: ethernet-phy@0 {
> + compatible = "ethernet-phy-id2000.a231";

Check binding - we don't include any compatibles that dont have yaml
conversion done (pinctrl is the only exception).

[...]

> +/* TODO: Verdin DSI_1 / TIDSS */
Drop the TODO.

[...]

--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D