diff --git a/arch/arm/boot/dts/rk322x-box.dts b/arch/arm/boot/dts/rk322x-box.dts new file mode 100644 index 000000000..556539618 --- /dev/null +++ b/arch/arm/boot/dts/rk322x-box.dts @@ -0,0 +1,466 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +/dts-v1/; + +#include +#include +#include +#include "rk322x-box.dtsi" + +/ { + + model = "Generic RK322x Tv Box board"; + + /delete-node/ leds; + + /* + No need to reserve memory manually as long as u-boot v2020.10 and + OPTEE autoconfigure the reserved zones + */ + /delete-node/ reserved-memory; + + /* + * Include the mmc devices into aliases table + */ + aliases { + mmc0 = &sdmmc; + mmc1 = &sdio; + mmc2 = &emmc; + }; + + gpio_leds: gpio-leds { + + compatible = "gpio-leds"; + + /* + * Working led, available on all boards + */ + working { + gpios = <&gpio3 RK_PC5 GPIO_ACTIVE_HIGH>; + label = "working"; + default-state = "on"; + linux,default-trigger = "timer"; + pinctrl-names = "default"; + pinctrl-0 = <&gpio_led_working>; + }; + + }; + + // Remove the gpio-keys node from included dtsi + /delete-node/gpio_keys; + + gpio_keys: gpio-keys { + + compatible = "gpio-keys"; + + #address-cells = <1>; + #size-cells = <0>; + + }; + + spdif_out: spdif-out { + status = "okay"; + compatible = "linux,spdif-dit"; + #sound-dai-cells = <0>; + }; + + spdif-sound { + status = "okay"; + compatible = "simple-audio-card"; + simple-audio-card,name = "SPDIF"; + simple-audio-card,cpu { + sound-dai = <&spdif>; + }; + simple-audio-card,codec { + sound-dai = <&spdif_out>; + }; + }; + + vcc_sys: vcc-sys-regulator { + compatible = "regulator-fixed"; + regulator-name = "vcc_sys"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + vcc_host: vcc-host-regulator { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio3 RK_PC4 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&host_vbus_drv>; + regulator-name = "vcc_host"; + regulator-always-on; + regulator-boot-on; + vin-supply = <&vcc_sys>; + }; + + vccio_1v8: vccio-1v8-regulator { + compatible = "regulator-fixed"; + regulator-name = "vccio_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + vin-supply = <&vcc_sys>; + }; + + vccio_3v3: vccio-3v3-regulator { + compatible = "regulator-fixed"; + regulator-name = "vccio_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + vin-supply = <&vcc_sys>; + }; + + vcc_otg: vcc-otg-regulator { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio3 RK_PC6 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&otg_vbus_drv>; + regulator-name = "vcc_otg_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <&vcc_sys>; + }; + + vcc_phy: vcc-phy-regulator { + compatible = "regulator-fixed"; + enable-active-high; + regulator-name = "vcc_phy"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <&vccio_1v8>; + }; + + vdd_arm: vdd-arm-regulator { + compatible = "pwm-regulator"; + pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>; + pwm-supply = <&vcc_sys>; + regulator-name = "vdd_arm"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1400000>; + regulator-always-on; + regulator-boot-on; + }; + + vdd_log: vdd-log-regulator { + compatible = "pwm-regulator"; + pwms = <&pwm2 0 5000 PWM_POLARITY_INVERTED>; + pwm-supply = <&vcc_sys>; + regulator-name = "vdd_log"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + regulator-boot-on; + }; + + cpu0_opp_table: opp_table0 { + compatible = "operating-points-v2"; + opp-shared; + + /* + * The 408 Mhz node causes system instabilities on some systems. + * Remove it also because it is too slow. + */ + /delete-node/opp-408000000; + + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <975000>; + clock-latency-ns = <40000>; + opp-suspend; + }; + + opp-816000000 { + opp-hz = /bits/ 64 <816000000>; + opp-microvolt = <1000000>; + }; + + opp-1008000000 { + opp-hz = /bits/ 64 <1008000000>; + opp-microvolt = <1175000>; + }; + + opp-1200000000 { + opp-hz = /bits/ 64 <1200000000>; + opp-microvolt = <1275000>; + }; + + }; + +}; + +&emmc { + status = "okay"; + /delete-property/ mmc-ddr-1_8v; + /delete-property/ pinctrl-names; + /delete-property/ pinctrl-0; + /delete-property/ rockchip,default-sample-phase; +}; + +&nfc { + + status = "disabled"; + + #address-cells = <1>; + #size-cells = <0>; + + /delete-property/ pinctrl-names; + /delete-property/ pinctrl-0; + + nand@0 { + reg = <0>; + label = "rk-nand"; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-ecc-step-size = <1024>; + nand-ecc-strength = <60>; + nand-is-boot-medium; + rockchip,boot-blks = <8>; + rockchip,boot-ecc-strength = <60>; + }; + +}; + +&cpu0 { + cpu-supply = <&vdd_arm>; +}; + +&cpu1 { + cpu-supply = <&vdd_arm>; +}; + +&cpu2 { + cpu-supply = <&vdd_arm>; +}; + +&cpu3 { + cpu-supply = <&vdd_arm>; +}; + +&dmc { + logic-supply = <&vdd_log>; +}; + +&io_domains { + vccio1-supply = <&vccio_3v3>; + vccio2-supply = <&vccio_1v8>; + vccio4-supply = <&vccio_3v3>; + status = "okay"; +}; + +&gmac { + phy-supply = <&vcc_phy>; + tx_delay = <0x26>; + rx_delay = <0x11>; +}; + +&gpu { + mali-supply = <&vdd_log>; +}; + +&pwm1 { + status = "okay"; +}; + +&pwm2 { + status = "okay"; +}; + +&u2phy0 { + u2phy0_host: host-port { + phy-supply = <&vcc_host>; + }; + + u2phy0_otg: otg-port { + phy-supply = <&vcc_otg>; + }; +}; + +&u2phy1 { + u2phy1_host: host-port { + phy-supply = <&vcc_host>; + }; + + u2phy1_otg: otg-port { + phy-supply = <&vcc_otg>; + }; +}; + +&ir_receiver { + status = "okay"; +}; + +&usb_otg { + dr_mode = "host"; +}; + +&sdio { + mmc-pwrseq = <&sdio_pwrseq>; + status = "okay"; +}; + +&sdmmc { + cd-gpios = <&gpio1 RK_PC1 GPIO_ACTIVE_LOW>; + cd-debounce-delay-ms = <500>; + status = "okay"; +}; + +&spdif { + status = "okay"; +}; + +/** Integration to pin controller */ +&pinctrl { + + pcfg_pull_up_12ma: pcfg-pull-up-12ma { + drive-strength = <12>; + bias-pull-up; + }; + + pcfg_pull_down_12ma: pcfg-pull-down-12ma { + drive-strength = <12>; + bias-pull-down; + }; + + pcfg_pull_none_12ma: pcfg-pull-none-12ma { + drive-strength = <12>; + bias-disable; + }; + + pcfg_pull_up_8ma: pcfg-pull-up-8ma { + drive-strength = <8>; + bias-pull-up; + }; + + pcfg_pull_down_8ma: pcfg-pull-down-8ma { + drive-strength = <8>; + bias-pull-down; + }; + + pcfg_pull_none_8ma: pcfg-pull-none-8ma { + drive-strength = <8>; + bias-disable; + }; + + pcfg_pull_up_2ma: pcfg-pull-up-2ma { + drive-strength = <2>; + bias-pull-up; + }; + + pcfg_pull_down_2ma: pcfg-pull-down-2ma { + drive-strength = <2>; + bias-pull-down; + }; + + pcfg_pull_none_2ma: pcfg-pull-none-2ma { + drive-strength = <2>; + bias-disable; + }; + + /* + * Some rk322x electrical schemes report this kind of pull-up/down + * pin configurations. We set them here, but we don't use it in this + * device tree. These instead are useful for overlays, because they seem + * to increase stability on at least one board I got here + */ + sdmmc { + sdmmc_clk: sdmmc-clk { + rockchip,pins = <1 16 1 &pcfg_pull_down>; + }; + + sdmmc_cmd: sdmmc-cmd { + rockchip,pins = <1 15 1 &pcfg_pull_up>; + }; + + sdmmc_bus4: sdmmc-bus4 { + rockchip,pins = <1 18 1 &pcfg_pull_up>, + <1 19 1 &pcfg_pull_up>, + <1 20 1 &pcfg_pull_up>, + <1 21 1 &pcfg_pull_up>; + }; + }; + + /* + * Same as above, decreasing strength of SDIO pins seems to be benefical + * to stability + */ + sdio { + sdio_clk: sdio-clk { + rockchip,pins = <3 0 1 &pcfg_pull_down_2ma>; + }; + + sdio_cmd: sdio-cmd { + rockchip,pins = <3 1 1 &pcfg_pull_up_2ma>; + }; + + sdio_bus4: sdio-bus4 { + rockchip,pins = <3 2 1 &pcfg_pull_up_2ma>, + <3 3 1 &pcfg_pull_up_2ma>, + <3 4 1 &pcfg_pull_up_2ma>, + <3 5 1 &pcfg_pull_up_2ma>; + }; + }; + + /* + * Same drill as above, electrical schemes also report this pull-up/down + * configurations. + */ + emmc { + emmc_clk: emmc-clk { + rockchip,pins = <2 7 2 &pcfg_pull_up>; + }; + + emmc_cmd: emmc-cmd { + rockchip,pins = <1 22 2 &pcfg_pull_up>; + }; + + emmc_bus8: emmc-bus8 { + rockchip,pins = <1 24 2 &pcfg_pull_up>, + <1 25 2 &pcfg_pull_up>, + <1 26 2 &pcfg_pull_up>, + <1 27 2 &pcfg_pull_up>, + <1 28 2 &pcfg_pull_up>, + <1 29 2 &pcfg_pull_up>, + <1 30 2 &pcfg_pull_up>, + <1 31 2 &pcfg_pull_up>; + }; + + emmc_pwr: emmc-pwr { + rockchip,pins = <2 RK_PA5 2 &pcfg_pull_down>; + }; + + emmc_rst: emmc-rst { + rockchip,pins = <1 RK_PC7 2 &pcfg_pull_up>; + }; + + }; + + + gpio { + gpio_led_working: gpio-led-working { + rockchip,pins = <3 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + + ir { + ir_int: ir-int { + rockchip,pins = <1 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + + sdio-pwrseq { + wifi_enable_h: wifi-enable-h { + rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + +};