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Date: Sun, 04 Aug 2019 11:59:16 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: Andy Yan <andyshrk@...il.com>
Cc: robh+dt@...nel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: rockchip: Add dts for Leez RK3399 P710 SBC
Hi Andy,
Am Sonntag, 4. August 2019, 10:38:26 CEST schrieb Andy Yan:
> Heiko Stuebner <heiko@...ech.de> 于2019年8月4日周日 上午8:34写道：
> > Am Samstag, 3. August 2019, 13:46:12 CEST schrieb Andy Yan:
> > > Leez P710 is a RK3399 based SBC, designed by Leez team
> > > from lenovo [0].
> > >
> > > Specification
> > > - Rockchip RK3399
> > > - 4/2GB LPDDR4
> > > - TF sd scard slot
> > > - eMMC
> > > - M.2 B-Key for 4G LTE
> > > - AP6256 for WiFi + BT
> > > - Gigabit ethernet
> > > - HDMI out
> > > - 40 pin header
> > > - TYPE-C Power supply
> > >
> > > [0] https://leez.lenovo.com
> > >
> > > Signed-off-by: Andy Yan <andyshrk@...il.com>
> > > ---
> > > .../devicetree/bindings/arm/rockchip.yaml | 5 +
> > > arch/arm64/boot/dts/rockchip/Makefile | 1 +
> > > .../boot/dts/rockchip/rk3399-leez-p710.dts | 635 ++++++++++++++++++
> > > 3 files changed, 641 insertions(+)
> > > create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-leez-p710.dts
> > >
> > > diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml
> > b/Documentation/devicetree/bindings/arm/rockchip.yaml
> > > index 34865042f4e4..da9cd947abfa 100644
> > > --- a/Documentation/devicetree/bindings/arm/rockchip.yaml
> > > +++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
> > > @@ -329,6 +329,11 @@ properties:
> > > - khadas,edge-v
> > > - const: rockchip,rk3399
> > >
> > > + - description: Leez RK3399 P710
> > > + items:
> > > + - const: leez,p710
> >
> > Is "leez" really the vendor?
> > Part of me would assume something like
> > lenovo,leez-p710
> >
> >
> According to Leez team， they want to treat Leez an independent vendor here。
ok, that should be fine then. You'll just have to also add
an entry for them into the vendor-prefixes.yaml file then.
(And of course rework the regulator tree)
Thanks
Heiko
> > So please clarify :-)
> > And also please make sure the decided vendor is part of the vendor-prefixes
> > binding in Documentation/devicestree/bindings/vendor-prefixes.yaml
> >
> > > + - const: rockchip,rk3399
> > > +
> > > - description: mqmaker MiQi
> > > items:
> > > - const: mqmaker,miqi
> > > diff --git a/arch/arm64/boot/dts/rockchip/Makefile
> > b/arch/arm64/boot/dts/rockchip/Makefile
> > > index daa2c78e22c3..1f18a9392d15 100644
> > > --- a/arch/arm64/boot/dts/rockchip/Makefile
> > > +++ b/arch/arm64/boot/dts/rockchip/Makefile
> > > @@ -20,6 +20,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-hugsun-x99.dtb
> > > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-khadas-edge.dtb
> > > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-khadas-edge-captain.dtb
> > > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-khadas-edge-v.dtb
> > > +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-leez-p710.dtb
> > > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopc-t4.dtb
> > > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4.dtb
> > > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-neo4.dtb
> > > diff --git a/arch/arm64/boot/dts/rockchip/rk3399-leez-p710.dts
> > b/arch/arm64/boot/dts/rockchip/rk3399-leez-p710.dts
> > > new file mode 100644
> > > index 000000000000..b342f5e8692b
> > > --- /dev/null
> > > +++ b/arch/arm64/boot/dts/rockchip/rk3399-leez-p710.dts
> > > @@ -0,0 +1,635 @@
> > > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > > +/*
> > > + * Copyright (c) 2019 Andy Yan <andy.yan@...il.com>
> > > + */
> > > +
> > > +/dts-v1/;
> > > +#include <dt-bindings/input/linux-event-codes.h>
> > > +#include <dt-bindings/pwm/pwm.h>
> > > +#include "rk3399.dtsi"
> > > +#include "rk3399-opp.dtsi"
> > > +
> > > +/ {
> > > + model = "Leez RK3399 P710";
> > > + compatible = "leez,p710", "rockchip,rk3399";
> >
> > same comment as above, so maybe:
> > model = "Lenovo Leez RK3399 P710";
> > compatible = "lenovo,leez-p710", "rockchip,rk3399";
> >
> >
> >
> > > +
> > > + chosen {
> > > + stdout-path = "serial2:1500000n8";
> > > + };
> > > +
> > > + clkin_gmac: external-gmac-clock {
> > > + compatible = "fixed-clock";
> > > + clock-frequency = <125000000>;
> > > + clock-output-names = "clkin_gmac";
> > > + #clock-cells = <0>;
> > > + };
> > > +
> > > + sdio_pwrseq: sdio-pwrseq {
> > > + compatible = "mmc-pwrseq-simple";
> > > + clocks = <&rk808 1>;
> > > + clock-names = "ext_clock";
> > > + pinctrl-names = "default";
> > > + pinctrl-0 = <&wifi_enable_h>;
> > > + reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
> > > + };
> > > +
> > > + dc5v_adp: dc-5v {
> > > + compatible = "regulator-fixed";
> > > + regulator-name = "dc5v_adapter";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <5000000>;
> > > + regulator-max-microvolt = <5000000>;
> > > + };
> > > +
> > > + vcc5v0_sys: vcc-sys {
> >
> > vcc5v0_sys: vcc5v0-sys ?
> >
> > > + compatible = "regulator-fixed";
> > > + regulator-name = "vcc5v0_sys";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <5000000>;
> > > + regulator-max-microvolt = <5000000>;
> > > + vin-supply = <&dc5v_adp>;
> > > + };
> > > +
> > > + vcc3v3_sys: vcc3v3-sys {
> > > + compatible = "regulator-fixed";
> > > + regulator-name = "vcc3v3_sys";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <3300000>;
> > > + regulator-max-microvolt = <3300000>;
> > > + vin-supply = <&vcc5v0_sys>;
> > > + };
> > > +
> > > + vcc5v0_host: vcc5v0-host-regulator {
> > > + compatible = "regulator-fixed";
> > > + enable-active-high;
> > > + gpio = <&gpio2 RK_PA2 GPIO_ACTIVE_HIGH>;
> > > + pinctrl-names = "default";
> > > + pinctrl-0 = <&vcc5v0_host_en>;
> > > + regulator-name = "vcc5v0_host";
> > > + regulator-always-on;
> > > + vin-supply = <&vcc5v0_sys>;
> > > + };
> > > +
> > > + vcc_lan: vcc3v3-phy-regulator {
> > > + compatible = "regulator-fixed";
> > > + regulator-name = "vcc_lan";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <3300000>;
> > > + regulator-max-microvolt = <3300000>;
> > > +
> > > + regulator-state-mem {
> > > + regulator-off-in-suspend;
> > > + };
> > > + };
> >
> > In general, please model an actual regulator-tree and do not copy the
> > unspecific Rockchip vendor tree. These unconnected regulators are a very
> > good indicator that the real power-tree got ignored (missing vin-supply
> > here)
> >
> > I found schematics on https://github.com/leezsbc/resources/wiki/Leez-P710:
> > 链接: https://pan.baidu.com/s/1NPWbuI5csT4zftKUCnRs7g
> > 提取码: rvrh
> >
> > and there the power-tree is described in a complete way.
> >
> > regulator/regulator_summaray in the kernels debugfs should
> > show a nice tree structure starting from the dc-adapter input.
> >
> > Also please use names matching the supply names from the schematics.
> >
> > Same for pinctrl names, please use names as used in the board schematics.
> >
> >
> > > + vdd_log: vdd-log {
> > > + compatible = "pwm-regulator";
> > > + pwms = <&pwm2 0 25000 1>;
> > > + regulator-name = "vdd_log";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <800000>;
> > > + regulator-max-microvolt = <1400000>;
> > > + vin-supply = <&vcc5v0_sys>;
> > > + };
> > > +};
> > > +
> > > +&cpu_l0 {
> > > + cpu-supply = <&vdd_cpu_l>;
> > > +};
> > > +
> > > +&cpu_l1 {
> > > + cpu-supply = <&vdd_cpu_l>;
> > > +};
> > > +
> > > +&cpu_l2 {
> > > + cpu-supply = <&vdd_cpu_l>;
> > > +};
> > > +
> > > +&cpu_l3 {
> > > + cpu-supply = <&vdd_cpu_l>;
> > > +};
> > > +
> > > +&cpu_b0 {
> > > + cpu-supply = <&vdd_cpu_b>;
> > > +};
> > > +
> > > +&cpu_b1 {
> > > + cpu-supply = <&vdd_cpu_b>;
> > > +};
> > > +
> > > +&emmc_phy {
> > > + status = "okay";
> > > +};
> > > +
> > > +&gmac {
> > > + assigned-clocks = <&cru SCLK_RMII_SRC>;
> > > + assigned-clock-parents = <&clkin_gmac>;
> > > + clock_in_out = "input";
> > > + phy-supply = <&vcc_lan>;
> > > + phy-mode = "rgmii";
> > > + pinctrl-names = "default";
> > > + pinctrl-0 = <&rgmii_pins>;
> > > + snps,reset-gpio = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
> > > + snps,reset-active-low;
> > > + snps,reset-delays-us = <0 10000 50000>;
> > > + tx_delay = <0x28>;
> > > + rx_delay = <0x11>;
> > > + status = "okay";
> > > +};
> > > +
> > > +&gpu {
> > > + mali-supply = <&vdd_gpu>;
> > > + status = "okay";
> > > +};
> > > +
> > > +&hdmi {
> > > + ddc-i2c-bus = <&i2c3>;
> >
> > can this also use the internal i2c inside the dw-hdmi?
> >
> >
> > > + pinctrl-names = "default";
> > > + pinctrl-0 = <&hdmi_cec>;
> > > + status = "okay";
> > > +};
> > > +
> > > +&hdmi_sound {
> > > + status = "okay";
> > > +};
> > > +
> > > +&i2c0 {
> > > + clock-frequency = <400000>;
> > > + i2c-scl-rising-time-ns = <168>;
> > > + i2c-scl-falling-time-ns = <4>;
> > > + status = "okay";
> > > +
> > > + rk808: pmic@1b {
> > > + compatible = "rockchip,rk808";
> > > + reg = <0x1b>;
> > > + interrupt-parent = <&gpio1>;
> > > + interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
> > > + #clock-cells = <1>;
> > > + clock-output-names = "xin32k", "rk808-clkout2";
> > > + pinctrl-names = "default";
> > > + pinctrl-0 = <&pmic_int_l>;
> > > + rockchip,system-power-controller;
> > > + wakeup-source;
> > > +
> > > + vcc1-supply = <&vcc5v0_sys>;
> > > + vcc2-supply = <&vcc5v0_sys>;
> > > + vcc3-supply = <&vcc5v0_sys>;
> > > + vcc4-supply = <&vcc5v0_sys>;
> > > + vcc6-supply = <&vcc5v0_sys>;
> > > + vcc7-supply = <&vcc5v0_sys>;
> > > + vcc8-supply = <&vcc3v3_sys>;
> > > + vcc9-supply = <&vcc5v0_sys>;
> > > + vcc10-supply = <&vcc5v0_sys>;
> > > + vcc11-supply = <&vcc5v0_sys>;
> > > + vcc12-supply = <&vcc3v3_sys>;
> > > + vddio-supply = <&vcc_1v8>;
> > > +
> > > + regulators {
> > > + vdd_center: DCDC_REG1 {
> > > + regulator-name = "vdd_center";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <750000>;
> > > + regulator-max-microvolt = <1350000>;
> > > + regulator-ramp-delay = <6001>;
> > > + regulator-state-mem {
> > > + regulator-off-in-suspend;
> > > + };
> > > + };
> > > +
> > > + vdd_cpu_l: DCDC_REG2 {
> > > + regulator-name = "vdd_cpu_l";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <750000>;
> > > + regulator-max-microvolt = <1350000>;
> > > + regulator-ramp-delay = <6001>;
> > > + regulator-state-mem {
> > > + regulator-off-in-suspend;
> > > + };
> > > + };
> > > +
> > > + vcc_ddr: DCDC_REG3 {
> > > + regulator-name = "vcc_ddr";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-state-mem {
> > > + regulator-on-in-suspend;
> > > + };
> > > + };
> > > +
> > > + vcc_1v8: DCDC_REG4 {
> > > + regulator-name = "vcc_1v8";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <1800000>;
> > > + regulator-max-microvolt = <1800000>;
> > > + regulator-state-mem {
> > > + regulator-on-in-suspend;
> > > + regulator-suspend-microvolt =
> > <1800000>;
> > > + };
> > > + };
> > > +
> > > + vcc1v8_dvp: LDO_REG1 {
> > > + regulator-name = "vcc1v8_dvp";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <1800000>;
> > > + regulator-max-microvolt = <1800000>;
> > > + regulator-state-mem {
> > > + regulator-off-in-suspend;
> > > + };
> > > + };
> > > +
> > > + vcc1v8_hdmi: LDO_REG2 {
> > > + regulator-name = "vcc1v8_hdmi";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <1800000>;
> > > + regulator-max-microvolt = <1800000>;
> > > + regulator-state-mem {
> > > + regulator-off-in-suspend;
> > > + };
> > > + };
> > > +
> > > + vcca_1v8: LDO_REG3 {
> > > + regulator-name = "vcca_1v8";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <1800000>;
> > > + regulator-max-microvolt = <1800000>;
> > > + regulator-state-mem {
> > > + regulator-on-in-suspend;
> > > + regulator-suspend-microvolt =
> > <1800000>;
> > > + };
> > > + };
> > > +
> > > + vccio_sd: LDO_REG4 {
> > > + regulator-name = "vccio_sd";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <3000000>;
> > > + regulator-max-microvolt = <3000000>;
> > > + regulator-state-mem {
> > > + regulator-on-in-suspend;
> > > + regulator-suspend-microvolt =
> > <3000000>;
> > > + };
> > > + };
> > > +
> > > + vcca3v0_codec: LDO_REG5 {
> > > + regulator-name = "vcca3v0_codec";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <3000000>;
> > > + regulator-max-microvolt = <3000000>;
> > > + regulator-state-mem {
> > > + regulator-off-in-suspend;
> > > + };
> > > + };
> > > +
> > > + vcc_1v5: LDO_REG6 {
> > > + regulator-name = "vcc_1v5";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <1500000>;
> > > + regulator-max-microvolt = <1500000>;
> > > + regulator-state-mem {
> > > + regulator-on-in-suspend;
> > > + regulator-suspend-microvolt =
> > <1500000>;
> > > + };
> > > + };
> > > +
> > > + vcc0v9_hdmi: LDO_REG7 {
> > > + regulator-name = "vcc0v9_hdmi";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <900000>;
> > > + regulator-max-microvolt = <900000>;
> > > + regulator-state-mem {
> > > + regulator-off-in-suspend;
> > > + };
> > > + };
> > > +
> > > + vcc_3v0: LDO_REG8 {
> > > + regulator-name = "vcc_3v0";
> > > + regulator-always-on;
> > > + regulator-boot-on;
> > > + regulator-min-microvolt = <3000000>;
> > > + regulator-max-microvolt = <3000000>;
> > > + regulator-state-mem {
> > > + regulator-on-in-suspend;
> > > + regulator-suspend-microvolt =
> > <3000000>;
> > > + };
> > > + };
> > > +
> >
> > unneeded blank line
> >
> > > + };
> > > + };
> > > +
> >
> >
> > Heiko
> >
> >
> >
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