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Message-ID: <f49a803f-9ff4-794e-265b-a98e3711cca8@linaro.org>
Date: Mon, 7 Aug 2023 08:44:40 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Thomas McKahan <tmckahan@...gleboardsolutions.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
linux-rockchip@...ts.infradead.org
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: rockchip: Add NanoPC T6
On 02/08/2023 07:14, Thomas McKahan wrote:
> Add the NanoPC T6, a single board computer from FriendlyElec based on
> the RK3588.
>
> Initial device tree supports debug UART, SD, eMMC, PCIe 3, PMIC,
> and 40 pin GPIO assignments.
>
> Signed-off-by: Thomas McKahan <tmckahan@...gleboardsolutions.com>
> ---
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> .../boot/dts/rockchip/rk3588-nanopc-t6.dts | 845 ++++++++++++++++++
> 2 files changed, 846 insertions(+)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
>
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index 1ebbb3e9c2f9..e7728007fd1b 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -100,6 +100,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-rock-3a.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-edgeble-neu6a-io.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-edgeble-neu6b-io.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-evb1-v10.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-nanopc-t6.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-indiedroid-nova.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-khadas-edge2.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
> new file mode 100644
> index 000000000000..2362da2c53d9
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
> @@ -0,0 +1,845 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
> + * Copyright (c) 2023 Thomas McKahan
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include <dt-bindings/usb/pd.h>
> +#include "rk3588.dtsi"
> +
> +/ {
> + model = "FriendlyElec NanoPC-T6";
> + compatible = "friendlyarm,nanopc-t6", "rockchip,rk3588";
> +
> + aliases {
> + mmc0 = &sdhci;
> + mmc1 = &sdmmc;
> + serial2 = &uart2;
> + };
> +
> + chosen {
> + stdout-path = "serial2:1500000n8";
> + };
> +
> + sound {
> + status = "okay";
Was it disabled anywhere? Anyway, compatible is always the first property.
> + compatible = "simple-audio-card";
> + pinctrl-names = "default";
> + pinctrl-0 = <&hp_det>;
> +
> + simple-audio-card,name = "realtek,rt5616-codec";
> + simple-audio-card,format = "i2s";
> + simple-audio-card,mclk-fs = <256>;
> +
> + simple-audio-card,hp-det-gpio = <&gpio1 RK_PC4 GPIO_ACTIVE_LOW>;
> + simple-audio-card,hp-pin-name = "Headphones";
> +
> + simple-audio-card,widgets =
> + "Headphone", "Headphones",
> + "Microphone", "Microphone Jack";
> + simple-audio-card,routing =
> + "Headphones", "HPOL",
> + "Headphones", "HPOR",
> + "MIC1", "Microphone Jack",
> + "Microphone Jack", "micbias1";
> +
> + simple-audio-card,cpu {
> + sound-dai = <&i2s0_8ch>;
> + };
> + simple-audio-card,codec {
> + sound-dai = <&rt5616>;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + sys_led: led-0 {
> + gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
> + label = "system-led";
> + pinctrl-names = "default";
> + pinctrl-0 = <&sys_led_pin>;
> + linux,default-trigger = "heartbeat";
> + };
> +
> + usr_led: led-1 {
> + gpios = <&gpio2 RK_PC0 GPIO_ACTIVE_HIGH>;
> + label = "user-led";
> + pinctrl-names = "default";
> + pinctrl-0 = <&usr_led_pin>;
> + };
> + };
> +
> + vcc12v_dcin: vcc12v-dcin-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc12v_dcin";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <12000000>;
> + regulator-max-microvolt = <12000000>;
> + };
> +
> + /* vcc5v0_sys powers peripherals */
> + vcc5v0_sys: vcc5v0-sys-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc5v0_sys";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vcc12v_dcin>;
> + };
> +
> + /* vcc4v0_sys powers the RK806, RK860's */
> + vcc4v0_sys: vcc4v0-sys-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc4v0_sys";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <4000000>;
> + regulator-max-microvolt = <4000000>;
> + vin-supply = <&vcc12v_dcin>;
> + };
> +
> + vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc-1v1-nldo-s3";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <1100000>;
> + vin-supply = <&vcc4v0_sys>;
> + };
> +
> + vbus5v0_typec: vbus5v0-typec {
What happened with -regulator suffix?
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&typec5v_pwren>;
> + regulator-name = "vbus5v0_typec";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vcc5v0_sys>;
> + };
> +
> + vcc3v3_pcie30: vcc3v3-pcie30 {
What happened with -regulator suffix?
...
> + };
> +
Drop stray blank line.
> + };
> +
> + hym8563: hym8563@51 {
Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "haoyu,hym8563";
> + reg = <0x51>;
> + #clock-cells = <0>;
> + clock-output-names = "hym8563";
> + pinctrl-names = "default";
> + pinctrl-0 = <&hym8563_int>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <RK_PB0 IRQ_TYPE_LEVEL_LOW>;
> + wakeup-source;
> + };
> +
> +};
> +
> +&i2c7 {
> + clock-frequency = <200000>;
> + status = "okay";
> +
> + rt5616: codec@1b {
> + compatible = "realtek,rt5616";
> + reg = <0x1b>;
> + clocks = <&cru I2S0_8CH_MCLKOUT>;
> + clock-names = "mclk";
> + #sound-dai-cells = <0>;
> + assigned-clocks = <&cru I2S0_8CH_MCLKOUT>;
> + assigned-clock-rates = <12288000>;
> +
> + port {
> + rt5616_p0_0: endpoint {
> + remote-endpoint = <&i2s0_8ch_p0_0>;
> + };
> + };
> + };
> +
> + /* connected with MIPI-CSI1 */
> +};
> +
> +&i2c8 {
> + pinctrl-0 = <&i2c8m2_xfer>;
> +};
> +
> +&i2s0_8ch {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2s0_lrck
> + &i2s0_mclk
> + &i2s0_sclk
> + &i2s0_sdi0
> + &i2s0_sdo0>;
Odd alignment.
> + status = "okay";
> +
> + i2s0_8ch_p0: port {
> + i2s0_8ch_p0_0: endpoint {
> + dai-format = "i2s";
> + mclk-fs = <256>;
> + remote-endpoint = <&rt5616_p0_0>;
> + };
> + };
> +};
> +
> +&pcie30phy {
> + status = "okay";
> +};
> +
...
> +&spi2 {
> + status = "okay";
> + assigned-clocks = <&cru CLK_SPI2>;
> + assigned-clock-rates = <200000000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi2m2_cs0 &spi2m2_pins>;
> + num-cs = <1>;
> +
> + pmic@0 {
> + compatible = "rockchip,rk806";
> + spi-max-frequency = <1000000>;
> + reg = <0x0>;
> +
> + interrupt-parent = <&gpio0>;
> + interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_pins>, <&rk806_dvs1_null>,
> + <&rk806_dvs2_null>, <&rk806_dvs3_null>;
> +
> + vcc1-supply = <&vcc4v0_sys>;
> + vcc2-supply = <&vcc4v0_sys>;
> + vcc3-supply = <&vcc4v0_sys>;
> + vcc4-supply = <&vcc4v0_sys>;
> + vcc5-supply = <&vcc4v0_sys>;
> + vcc6-supply = <&vcc4v0_sys>;
> + vcc7-supply = <&vcc4v0_sys>;
> + vcc8-supply = <&vcc4v0_sys>;
> + vcc9-supply = <&vcc4v0_sys>;
> + vcc10-supply = <&vcc4v0_sys>;
> + vcc11-supply = <&vcc_2v0_pldo_s3>;
> + vcc12-supply = <&vcc4v0_sys>;
> + vcc13-supply = <&vcc_1v1_nldo_s3>;
> + vcc14-supply = <&vcc_1v1_nldo_s3>;
> + vcca-supply = <&vcc4v0_sys>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + rk806_dvs1_null: dvs1-null-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun0";
> + };
> +
> + rk806_dvs2_null: dvs2-null-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun0";
> + };
> +
> + rk806_dvs3_null: dvs3-null-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun0";
> + };
> +
> + regulators {
> + vdd_gpu_s0: vdd_gpu_mem_s0: dcdc-reg1 {
> + regulator-boot-on;
Boolean properties are not first, but last. regulator-name is the first
one. This odd style...
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vdd_gpu_s0";
> + regulator-enable-ramp-delay = <400>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
Best regards,
Krzysztof
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