Hi Liang, Add and convert a few more documents. > cat rk3568.dtsi | grep compatible | sort -u > compatible = "arm,armv8-timer"; > compatible = "arm,cortex-a55"; > compatible = "arm,cortex-a55-pmu", "arm,armv8-pmuv3"; > compatible = "arm,gic-v3"; > compatible = "arm,pl330", "arm,primecell"; > compatible = "arm,psci-1.0"; > compatible = "arm,scmi-shmem"; > compatible = "arm,scmi-smc"; > compatible = "fixed-clock"; > compatible = "operating-points-v2"; > compatible = "rockchip,gpio-bank"; pending > compatible = "rockchip,rk3568"; > compatible = "rockchip,rk3568-cru"; pending > compatible = "rockchip,rk3568-dwcmshc", "snps,dwcmshc-sdhci"; > compatible = "rockchip,rk3568-dw-mshc", Keep string in one line for sdmmcX. > compatible = "rockchip,rk3568-grf", "syscon", "simple-mfd"; > compatible = "rockchip,rk3568-i2c", "rockchip,rk3399-i2c"; > compatible = "rockchip,rk3568-pinctrl"; pending > compatible = "rockchip,rk3568-pmucru"; > compatible = "rockchip,rk3568-pmugrf", "syscon", "simple-mfd"; > compatible = "rockchip,rk3568-pwm", "rockchip,rk3328-pwm"; > compatible = "rockchip,rk3568-uart", "snps,dw-apb-uart"; > compatible = "snps,dw-wdt"; Change this to: "rockchip,rk3568-wdt", "snps,dw-wdt" Compatible strings should be SoC orientated. > compatible = "syscon-reboot-mode"; On 4/21/21 9:01 AM, cl@xxxxxxxxxxxxxx wrote: > From: Liang Chen <cl@xxxxxxxxxxxxxx> > > This patch add rk3568-evb1-v10.dts for RK3568 evaluation board. > add uart/emmc/i2c/rk809 node for basic function. > > Signed-off-by: Liang Chen <cl@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/arm/rockchip.yaml | 5 + > arch/arm64/boot/dts/rockchip/Makefile | 1 + > .../boot/dts/rockchip/rk3568-evb1-v10.dts | 382 ++++++++++++++++++ > 3 files changed, 388 insertions(+) > create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts > > diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml > index 4a6f772c1043..d26b062a9f0e 100644 > --- a/Documentation/devicetree/bindings/arm/rockchip.yaml > +++ b/Documentation/devicetree/bindings/arm/rockchip.yaml > @@ -560,6 +560,11 @@ properties: > - const: rockchip,rk3368-evb-act8846 > - const: rockchip,rk3368 > > + - description: Rockchip RK3568 Evaluation board > + items: > + - const: rockchip,rk3568-evb1-v10 > + - const: rockchip,rk3568 > + Move this below rockchip,rk3399-evb board. > - description: Rockchip RK3399 Evaluation board > items: > - const: rockchip,rk3399-evb > diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile > index c3e00c0e2db7..7fdb41de01ec 100644 > --- a/arch/arm64/boot/dts/rockchip/Makefile > +++ b/arch/arm64/boot/dts/rockchip/Makefile > @@ -51,3 +51,4 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64.dtb > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb > dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb > +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb > diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts > new file mode 100644 > index 000000000000..be8aae2e8c67 > --- /dev/null > +++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts > @@ -0,0 +1,382 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2021 Rockchip Electronics Co., Ltd. > + * > + */ > + > +/dts-v1/; > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/pinctrl/rockchip.h> > +#include "rk3568.dtsi" > + > +/ { > + model = "Rockchip RK3568 EVB1 DDR4 V10 Board"; > + compatible = "rockchip,rk3568-evb1-v10", "rockchip,rk3568"; > + > + chosen: chosen { > + stdout-path = "serial2:1500000n8"; > + }; > + > + dc_12v: dc-12v { > + compatible = "regulator-fixed"; > + regulator-name = "dc_12v"; > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <12000000>; > + regulator-max-microvolt = <12000000>; > + }; > + > + 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 = <&dc_12v>; > + }; > + > + 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 = <&dc_12v>; > + }; > + > + vcc5v0_host: vcc5v0-host-regulator { > + compatible = "regulator-fixed"; > + enable-active-high; > + gpio = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>; > + pinctrl-names = "default"; > + pinctrl-0 = <&vcc5v0_host_en>; > + regulator-name = "vcc5v0_host"; > + regulator-always-on; > + }; > + > + vcc5v0_otg: vcc5v0-otg-regulator { > + compatible = "regulator-fixed"; > + enable-active-high; > + gpio = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>; > + pinctrl-names = "default"; > + pinctrl-0 = <&vcc5v0_otg_en>; > + regulator-name = "vcc5v0_otg"; > + }; > + > + vcc3v3_lcd0_n: vcc3v3-lcd0-n { > + compatible = "regulator-fixed"; > + regulator-name = "vcc3v3_lcd0_n"; > + regulator-boot-on; Add empty line between a node. Change all of them. > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc3v3_lcd1_n: vcc3v3-lcd1-n { > + compatible = "regulator-fixed"; > + regulator-name = "vcc3v3_lcd1_n"; > + regulator-boot-on; dito > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > +}; > + > +&i2c0 { > + status = "okay"; > + > + rk809: pmic@20 { > + compatible = "rockchip,rk809"; > + reg = <0x20>; > + interrupt-parent = <&gpio0>; > + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; > + > + pinctrl-names = "default", "pmic-sleep", > + "pmic-power-off", "pmic-reset"; > + pinctrl-0 = <&pmic_int>; > + pinctrl-1 = <&soc_slppin_slp>, <&rk817_slppin_slp>; > + pinctrl-2 = <&soc_slppin_gpio>, <&rk817_slppin_pwrdn>; > + pinctrl-3 = <&soc_slppin_gpio>, <&rk817_slppin_rst>; > + > + rockchip,system-power-controller; > + wakeup-source; > + #clock-cells = <1>; > + clock-output-names = "rk808-clkout1", "rk808-clkout2"; > + //fb-inner-reg-idxs = <2>; > + /* 1: rst regs (default in codes), 0: rst the pmic */ Where is documented? > + pmic-reset-func = <0>; Where is documented? > + > + vcc1-supply = <&vcc3v3_sys>; > + vcc2-supply = <&vcc3v3_sys>; > + vcc3-supply = <&vcc3v3_sys>; > + vcc4-supply = <&vcc3v3_sys>; > + vcc5-supply = <&vcc3v3_sys>; > + vcc6-supply = <&vcc3v3_sys>; > + vcc7-supply = <&vcc3v3_sys>; > + vcc8-supply = <&vcc3v3_sys>; > + vcc9-supply = <&vcc3v3_sys>; > + > + pwrkey { > + status = "okay"; > + }; > + Where is documented? > + pinctrl_rk8xx: pinctrl_rk8xx { > + gpio-controller; > + #gpio-cells = <2>; > + > + rk817_slppin_null: rk817_slppin_null { > + pins = "gpio_slp"; > + function = "pin_fun0"; > + }; > + > + rk817_slppin_slp: rk817_slppin_slp { > + pins = "gpio_slp"; > + function = "pin_fun1"; > + }; > + > + rk817_slppin_pwrdn: rk817_slppin_pwrdn { > + pins = "gpio_slp"; > + function = "pin_fun2"; > + }; > + > + rk817_slppin_rst: rk817_slppin_rst { > + pins = "gpio_slp"; > + function = "pin_fun3"; > + }; > + }; Where is documented? > + > + regulators { > + vdd_logic: DCDC_REG1 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <500000>; > + regulator-max-microvolt = <1350000>; > + regulator-init-microvolt = <900000>; > + regulator-ramp-delay = <6001>; > + regulator-initial-mode = <0x2>; > + regulator-name = "vdd_logic"; regulator-name above all other regulator properties. Change all of them. > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vdd_gpu: DCDC_REG2 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <500000>; > + regulator-max-microvolt = <1350000>; > + regulator-init-microvolt = <900000>; > + regulator-ramp-delay = <6001>; > + regulator-initial-mode = <0x2>; > + regulator-name = "vdd_gpu"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc_ddr: DCDC_REG3 { > + regulator-always-on; > + regulator-boot-on; > + regulator-initial-mode = <0x2>; > + regulator-name = "vcc_ddr"; > + regulator-state-mem { > + regulator-on-in-suspend; > + }; > + }; > + > + vdd_npu: DCDC_REG4 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <500000>; > + regulator-max-microvolt = <1350000>; > + regulator-init-microvolt = <900000>; > + regulator-ramp-delay = <6001>; > + regulator-initial-mode = <0x2>; > + regulator-name = "vdd_npu"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vdda0v9_image: LDO_REG1 { > + regulator-boot-on; > + regulator-always-on; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <900000>; > + regulator-name = "vdda0v9_image"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vdda_0v9: LDO_REG2 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <900000>; > + regulator-name = "vdda_0v9"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vdda0v9_pmu: LDO_REG3 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <900000>; > + regulator-name = "vdda0v9_pmu"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <900000>; > + }; > + }; > + > + vccio_acodec: LDO_REG4 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vccio_acodec"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vccio_sd: LDO_REG5 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vccio_sd"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc3v3_pmu: LDO_REG6 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc3v3_pmu"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <3300000>; > + }; > + }; > + > + vcca_1v8: LDO_REG7 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-name = "vcca_1v8"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcca1v8_pmu: LDO_REG8 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-name = "vcca1v8_pmu"; > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <1800000>; > + }; > + }; > + > + vcca1v8_image: LDO_REG9 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-name = "vcca1v8_image"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc_1v8: DCDC_REG5 { > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-name = "vcc_1v8"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc_3v3: SWITCH_REG1 { > + regulator-always-on; > + regulator-boot-on; > + regulator-name = "vcc_3v3"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vcc3v3_sd: SWITCH_REG2 { > + regulator-always-on; > + regulator-boot-on; > + regulator-name = "vcc3v3_sd"; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + }; > + }; > +}; > + > + > +&pinctrl { > + pmic { > + pmic_int: pmic_int { > + rockchip,pins = > + <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>; > + }; > + > + soc_slppin_gpio: soc_slppin_gpio { > + rockchip,pins = > + <0 RK_PA2 RK_FUNC_GPIO &pcfg_output_low>; > + }; > + > + soc_slppin_slp: soc_slppin_slp { > + rockchip,pins = > + <0 RK_PA2 1 &pcfg_pull_none>; > + }; > + > + soc_slppin_rst: soc_slppin_rst { > + rockchip,pins = > + <0 RK_PA2 2 &pcfg_pull_none>; > + }; > + }; > + > + usb { > + vcc5v0_host_en: vcc5v0-host-en { > + rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>; > + }; > + > + vcc5v0_otg_en: vcc5v0-otg-en { > + rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>; Keep the same indent as in pmic and rk3568.dtsi for rockchip,pins > + }; > + }; > +}; > + > +&sdhci { > + bus-width = <8>; > + non-removable; > + rockchip,txclk-tapnum = <0x8>; > + max-frequency = <200000000>; sort > + status = "okay"; > +}; > + > +&uart2 { > + status = "okay"; > +}; >