[PATCH v2 2/2] rockchip: rk3328: Add support for FriendlyARM NanoPi R2S
Johan Jonker
jbx6244 at gmail.com
Sun Aug 2 15:21:05 EDT 2020
Hi David,
Add more maintainers and mail lists for all patches in this serie.
./scripts/get_maintainer.pl --noroles --norolestats --nogit-fallback
--nogit <patch1 patch2>
git send-email --suppress-cc all --annotate --to <..> --cc <..> <patch1
patch2>
On 7/31/20 1:20 AM, David Bauer wrote:
> This adds support for the NanoPi R2S from FriendlyARM.
>
> Rockchip RK3328 SoC
> 1GB DDR4 RAM
> Gigabit Ethernet (WAN)
> Gigabit Ethernet (USB3) (LAN)
> USB 2.0 Host Port
> MicroSD slot
> Reset button
> WAN - LAN - SYS LED
>
> Signed-off-by: David Bauer <mail at david-bauer.net>
> ---
>
> Changes in v2:
> - Use aligned memory for ethernet
> - Fix GPO for sdio regulator
>
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> .../boot/dts/rockchip/rk3328-nanopi-r2s.dts | 334 ++++++++++++++++++
> 2 files changed, 335 insertions(+)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
>
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index b87b1f773083..20055c51e150 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-roc-cc.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3326-odroid-go2.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-a1.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-nanopi-r2s.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-roc-cc.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-evb-act8846.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
> new file mode 100644
> index 000000000000..9fd148423b9d
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
> @@ -0,0 +1,334 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 David Bauer <mail at david-bauer.net>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include "rk3328.dtsi"
> +
> +/ {
> + model = "FriendlyARM NanoPi R2S";
> + compatible = "friendlyarm,nanopi-r2s", "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>;
> + };
> +
> + vcc_sd: sdmmc-regulator {
> + compatible = "regulator-fixed";
> + gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc0m1_gpio>;
sort
> + regulator-name = "vcc_sd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <&vcc_io>;
> + };
> +
> + vcc_sdio: sdmmcio-regulator {
> + compatible = "regulator-gpio";
> + gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + states = <1800000 0x1
> + 3300000 0x0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdio_vcc_pin>;
sort
> + regulator-always-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc_sdio";
move regulator-name above regulator-always-on
> + regulator-settling-time-us = <5000>;
> + regulator-type = "voltage";
> + vin-supply = <&vcc_io>;
> + };
> +
> + 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>;
> + };
sort node names
move regulators below
> +
> + leds {
> + compatible = "gpio-leds";
> +
remove empty line
> + pinctrl-names = "default";
sort pinctrl-names below pinctrl-0
> + pinctrl-0 = <&led_pins>;
use separate pinctrl nodes with consistent node names
pinctrl-0 = <&lan_led_pin, &sys_led_pin, &wan_led_pin>;
> +
> + sys {
sort node names/label
The prefered node name is '^led-[0-9a-f]$'.
sys_led: led-1 {
> + gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
> + label = "nanopi-r2s:red:sys";
> + };
> +
> + lan {
lan_led: led-0 {
> + gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
> + label = "nanopi-r2s:green:lan";
> + };
> +
> + wan {
wan_led: led-2 {
> + gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
> + label = "nanopi-r2s:green:wan";
> + };
> + };
> +
> + gpio_keys {
sort node name
> + compatible = "gpio-keys-polled";
> + poll-interval = <100>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&button_pins>;
> +
> + reset {
> + label = "Reset Button";
> + gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_RESTART>;
> + debounce-interval = <50>;
> + };
> + };
> +};
> +
> +&cpu0 {
> + cpu-supply = <&vdd_arm>;
> +};
> +
> +&cpu1 {
> + cpu-supply = <&vdd_arm>;
> +};
> +
> +&cpu2 {
> + cpu-supply = <&vdd_arm>;
> +};
> +
> +&cpu3 {
> + cpu-supply = <&vdd_arm>;
> +};
> +
> +&gmac2io {
> + assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
> + assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
> + clock_in_out = "input";
> + phy-supply = <&vcc_io>;
> + phy-handle = <&rtl8211e>;
> + phy-mode = "rgmii";
> + pinctrl-names = "default";
> + pinctrl-0 = <&rgmiim1_pins>;
sort
> + snps,aal;
> + snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
> + snps,reset-active-low;
> + snps,reset-delays-us = <0 10000 50000>;
> + tx_delay = <0x24>;
> + rx_delay = <0x18>;
> + status = "okay";
> +
> + mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + rtl8211e: ethernet-phy at 0 {
> + reg = <0>;
interrupts, reset ?
> + };
> + };
> +};
> +
> +&i2c1 {
> + status = "okay";
> +
> + rk805: rk805 at 18 {
> + compatible = "rockchip,rk805";
> + reg = <0x18>;
> + interrupt-parent = <&gpio2>;
> + interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
> + #clock-cells = <1>;
> + clock-output-names = "xin32k", "rk805-clkout2";
> + gpio-controller;
> + #gpio-cells = <2>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_int_l>;
sort
> + 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_sys>;
> +
> + regulators {
> + vdd_logic: DCDC_REG1 {
> + regulator-name = "vdd_logic";
> + regulator-min-microvolt = <712500>;
> + regulator-max-microvolt = <1450000>;
> + regulator-ramp-delay = <12500>;
> + regulator-always-on;
> + regulator-boot-on;
empty line between a node
> + 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-ramp-delay = <12500>;
> + regulator-always-on;
> + regulator-boot-on;
same
> + 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;
same
> + 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;
same
> + 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;
same
> + 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;
same
> + 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;
same
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1000000>;
> + };
> + };
> + };
> + };
> +};
> +
> +&io_domains {
> + status = "okay";
status below
> +
> + vccio1-supply = <&vcc_io>;
> + vccio2-supply = <&vcc18_emmc>;
> + vccio3-supply = <&vcc_sdio>;
> + vccio4-supply = <&vcc_18>;
> + vccio5-supply = <&vcc_io>;
> + vccio6-supply = <&vcc_io>;
> + pmuio-supply = <&vcc_io>;
sort properties, move this to top
> +};
> +
> +&pinctrl {
> + leds {
sort node names
> + led_pins: led-pins {
use a separate sub node for each led
use a consistent node name
lan_led_pin: lan-led-pin {}
sys_led_pin: sys-led-pin {}
wan_led_pin: wan-led-pin {}
> + rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>,
> + <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>,
> + <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
(fix alignment)
> + };
> + };
> +
> + button {
> + button_pins: button-pins {
> + rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + pmic {
> + pmic_int_l: pmic-int-l {
> + rockchip,pins = <2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + sd {
> + sdio_vcc_pin: sdio-vcc-pin {
> + rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-mmc-highspeed;
remove
board has only micro SD card
> + cap-sd-highspeed;
> + disable-wp;
> + max-frequency = <150000000>;
already in dtsi
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc0_clk &sdmmc0_cmd &sdmmc0_dectn &sdmmc0_bus4>;
sort
> + vmmc-supply = <&vcc_sd>;
> + vqmmc-supply = <&vcc_sdio>;
> + status = "okay";
> +};
sdmmc: mmc at ff500000 {
compatible = "rockchip,rk3328-dw-mshc", "rockchip,rk3288-dw-mshc";
reg = <0x0 0xff500000 0x0 0x4000>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
<&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
max-frequency = <150000000>;
status = "disabled";
};
> +
> +&tsadc {
> + rockchip,hw-tshut-mode = <0>;
> + rockchip,hw-tshut-polarity = <0>;
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&u2phy {
sort node names
> + status = "okay";
> +
> + u2phy_host: host-port {
> + status = "okay";
> + };
u2phy_otg ?
> +};
> +
&usb20_otg { ?
dr_mode = "host"; ?
status = "okay"; ?
};
Do we need this as well?
> +&usb_host0_ehci {
> + status = "okay";
> +};
> +
> +&usb_host0_ohci {
> + status = "okay";
> +};
>
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