Hi Levin:
On 2018?01?20? 17:54, djw at t-chip.com.cn wrote:
> From: Levin Du <djw at t-chip.com.cn>
>
> Hi all,
> This version uses SPDX license tag.
>
> The roc-rk3328-cc is a credit card size single board computer using the
> Rockchip RK3328 Quad-Core ARM Cortex A53 64-Bit Processor and supporting
> up to 2GB 2133MHz LPDDR4 memory. It provides eMMC module socket, MicroSD
> Card slot, USB 2.0/3.0, Gigabit Ethernet, HDMI/CVBS, Infrared Receiver,
> SPDIF/I2S, and SPI/I2C/UART/PWM interfaces.
>
> The devicetree currently supports basic peripherals.
>
> Signed-off-by: Levin Du <djw at t-chip.com.cn>
> ---
> Documentation/devicetree/bindings/arm/rockchip.txt | 4 +
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts | 276 +++++++++++++++++++++
> 3 files changed, 281 insertions(+)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/rockchip.txt b/Documentation/devicetree/bindings/arm/rockchip.txt
> index 326d24b..0f76a62 100644
> --- a/Documentation/devicetree/bindings/arm/rockchip.txt
> +++ b/Documentation/devicetree/bindings/arm/rockchip.txt
> @@ -50,6 +50,10 @@ Rockchip platforms device tree bindings
> Required root node properties:
> - compatible = "firefly,firefly-rk3399", "rockchip,rk3399";
>
> +- Firefly roc-rk3328-cc board:
> + Required root node properties:
> + - compatible = "firefly,roc-rk3328-cc", "rockchip,rk3328";
> +
> - ChipSPARK PopMetal-RK3288 board:
> Required root node properties:
> - compatible = "chipspark,popmetal-rk3288", "rockchip,rk3288";
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index ce2701e..cf14b86 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -1,6 +1,7 @@
> # SPDX-License-Identifier: GPL-2.0
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-roc-cc.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-evb-act8846.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-geekbox.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-orion-r68-meta.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
> new file mode 100644
> index 0000000..f055c74
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
> @@ -0,0 +1,276 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2017 T-Chip Intelligent Technology Co., Ltd
> + */
> +
> +/dts-v1/;
> +#include "rk3328.dtsi"
> +
> +/ {
> + model = "Firefly roc-rk3328-cc";
> + compatible = "firefly,roc-rk3328-cc", "rockchip,rk3328";
> +
> + chosen {
> + stdout-path = "serial2:1500000n8";
> + };
> +
> + gmac_clkin: external-gmac-clock {
> + compatible = "fixed-clock";
> + clock-frequency = <125000000>;
> + clock-output-names = "gmac_clkin";
> + #clock-cells = <0>;
> + };
> +
> + 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>;
> + };
> +
> + vcc_sd: sdmmc-regulator {
> + compatible = "regulator-fixed";
> + gpio = <&gpio0 30 GPIO_ACTIVE_LOW>;
??? Please use macro definition RK_PD6 in
dt-bindings/pinctrl/rockchip.h here.
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc0m1_gpio>;
> + regulator-name = "vcc_sd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <&vcc_io>;
> + };
> +
> + vcc_host1_5v: vcc_otg_5v: vcc-host1-5v-regulator {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&usb20_host_drv>;
> + regulator-name = "vcc_host1_5v";
> + regulator-always-on;
> + vin-supply = <&vcc_sys>;
> + };
> +
> + vcc_sys: vcc-sys {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_sys";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&dc_12v>;
> + };
> +
> + vcc_phy: vcc-phy-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_phy";
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +};
> +
> +&cpu0 {
> + cpu-supply = <&vdd_arm>;
> +};
> +
> +&emmc {
> + bus-width = <8>;
> + cap-mmc-highspeed;
> + non-removable;
> + pinctrl-names = "default";
> + pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
> + status = "okay";
> +};
> +
> +&gmac2io {
> + assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
> + assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
> + clock_in_out = "input";
> + phy-supply = <&vcc_phy>;
> + phy-mode = "rgmii";
> + pinctrl-names = "default";
> + pinctrl-0 = <&rgmiim1_pins>;
> + snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
> + snps,reset-active-low;
> + snps,reset-delays-us = <0 10000 50000>;
> + tx_delay = <0x25>;
> + rx_delay = <0x11>;
> + status = "okay";
> +};
> +
> +&i2c1 {
> + status = "okay";
> +
> + rk805: rk805 at 18 {
> + compatible = "rockchip,rk805";
> + reg = <0x18>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
??? RK_PD0
> + #clock-cells = <1>;
> + clock-output-names = "xin32k", "rk805-clkout2";
> + gpio-controller;
> + #gpio-cells = <2>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_int_l>;
> + rockchip,system-power-controller;
> + wakeup-source;
> +
> + vcc1-supply = <&vcc_sys>;
> + vcc2-supply = <&vcc_sys>;
> + vcc3-supply = <&vcc_sys>;
> + vcc4-supply = <&vcc_sys>;
> + vcc5-supply = <&vcc_io>;
> + vcc6-supply = <&vcc_io>;
> +
> + regulators {
> + vdd_logic: DCDC_REG1 {
> + regulator-name = "vdd_logic";
> + regulator-min-microvolt = <712500>;
> + regulator-max-microvolt = <1450000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1000000>;
> + };
> + };
> +
> + vdd_arm: DCDC_REG2 {
> + regulator-name = "vdd_arm";
> + regulator-min-microvolt = <712500>;
> + regulator-max-microvolt = <1450000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <950000>;
> + };
> + };
> +
> + vcc_ddr: DCDC_REG3 {
> + regulator-name = "vcc_ddr";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vcc_io: DCDC_REG4 {
> + regulator-name = "vcc_io";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vcc_18: LDO_REG1 {
> + regulator-name = "vcc_18";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vcc18_emmc: LDO_REG2 {
> + regulator-name = "vcc18_emmc";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vdd_10: LDO_REG3 {
> + regulator-name = "vdd_10";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1000000>;
> + };
> + };
> + };
> + };
> +};
> +
> +&pinctrl {
> + pmic {
> + pmic_int_l: pmic-int-l {
> + rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + usb2 {
> + usb20_host_drv: usb20-host-drv {
> + rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + cap-sd-highspeed;
> + disable-wp;
> + max-frequency = <150000000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc0_clk &sdmmc0_cmd &sdmmc0_dectn &sdmmc0_bus4>;
> + vmmc-supply = <&vcc_sd>;
> + status = "okay";
> +};
> +
> +&tsadc {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&u2phy {
> + status = "okay";
> +};
> +
> +&u2phy_host {
> + status = "okay";
> +};
> +
> +&u2phy_otg {
> + status = "okay";
> +};
> +
> +&usb20_otg {
> + status = "okay";
> +};
> +
> +&usb_host0_ehci {
> + status = "okay";
> +};
> +
> +&usb_host0_ohci {
> + status = "okay";
> +};
> +
> +&usbdrd3 {
> + status = "okay";
> +};
> +
> +&usbdrd_dwc3 {
> + dr_mode = "host";
> + status = "okay";
> +};
