| // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| /dts-v1/; |
| #include <dt-bindings/pwm/pwm.h> |
| #include <dt-bindings/input/input.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| #include "rk3399.dtsi" |
| |
| / { |
| model = "Hugsun X99 TV BOX"; |
| compatible = "hugsun,x99", "rockchip,rk3399"; |
| |
| aliases { |
| ethernet0 = &gmac; |
| mmc0 = &sdio0; |
| mmc1 = &sdmmc; |
| mmc2 = &sdhci; |
| }; |
| |
| chosen { |
| stdout-path = "serial2:1500000n8"; |
| }; |
| |
| clkin_gmac: external-gmac-clock { |
| compatible = "fixed-clock"; |
| clock-frequency = <125000000>; |
| clock-output-names = "clkin_gmac"; |
| #clock-cells = <0>; |
| }; |
| |
| dc_5v: dc-5v { |
| compatible = "regulator-fixed"; |
| regulator-name = "dc_5v"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| }; |
| |
| ir-receiver { |
| compatible = "gpio-ir-receiver"; |
| gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&ir_rx>; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&power_led_pin>; |
| |
| power_led: led-0 { |
| label = "blue:power"; |
| gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_HIGH>; |
| default-state = "on"; |
| linux,default-trigger = "default-on"; |
| }; |
| }; |
| |
| vcc_sys: vcc-sys { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc_sys"; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| regulator-always-on; |
| vin-supply = <&dc_5v>; |
| }; |
| |
| vcc_phy: vcc-phy-regulator { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc_phy"; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| vcc1v8_s0: vcc1v8-s0 { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc1v8_s0"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| vcc3v3_sys: vcc3v3-sys { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc3v3_sys"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| vin-supply = <&vcc_sys>; |
| }; |
| |
| vcc5v0_host: vcc5v0-host-regulator { |
| compatible = "regulator-fixed"; |
| enable-active-high; |
| gpio = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&host_vbus_drv>; |
| regulator-name = "vcc5v0_host"; |
| regulator-always-on; |
| }; |
| |
| vcc5v0_typec: vcc5v0-typec-regulator { |
| compatible = "regulator-fixed"; |
| enable-active-high; |
| gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&vcc5v0_typec_en>; |
| regulator-name = "vcc5v0_typec"; |
| regulator-always-on; |
| vin-supply = <&vcc5v0_usb>; |
| }; |
| |
| vcc5v0_usb: vcc5v0-usb { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc5v0_usb"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| vin-supply = <&dc_5v>; |
| }; |
| |
| vdd_log: vdd-log { |
| compatible = "pwm-regulator"; |
| pwms = <&pwm2 0 25000 1>; |
| pwm-supply = <&vcc_sys>; |
| regulator-name = "vdd_log"; |
| regulator-min-microvolt = <800000>; |
| regulator-max-microvolt = <1400000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| sdio_pwrseq: sdio-pwrseq { |
| compatible = "mmc-pwrseq-simple"; |
| clocks = <&rk808 1>; |
| clock-names = "ext_clock"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&wifi_reg_on_h>; |
| reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>; |
| }; |
| |
| }; |
| |
| &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_phy>; |
| 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 { |
| status = "okay"; |
| mali-supply = <&vdd_gpu>; |
| }; |
| |
| &hdmi { |
| ddc-i2c-bus = <&i2c3>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&hdmi_cec>; |
| status = "okay"; |
| }; |
| |
| &hdmi_sound { |
| status = "okay"; |
| }; |
| |
| &i2c0 { |
| status = "okay"; |
| i2c-scl-rising-time-ns = <180>; |
| i2c-scl-falling-time-ns = <30>; |
| clock-frequency = <400000>; |
| |
| vdd_cpu_b: syr827@40 { |
| compatible = "silergy,syr827"; |
| reg = <0x40>; |
| regulator-compatible = "fan53555-reg"; |
| pinctrl-0 = <&vsel1_pin>; |
| regulator-name = "vdd_cpu_b"; |
| regulator-min-microvolt = <712500>; |
| regulator-max-microvolt = <1500000>; |
| regulator-ramp-delay = <1000>; |
| fcs,suspend-voltage-selector = <1>; |
| regulator-always-on; |
| regulator-boot-on; |
| vin-supply = <&vcc_sys>; |
| regulator-state-mem { |
| regulator-off-in-suspend; |
| }; |
| }; |
| |
| vdd_gpu: syr828@41 { |
| compatible = "silergy,syr828"; |
| reg = <0x41>; |
| regulator-compatible = "fan53555-reg"; |
| pinctrl-0 = <&vsel2_pin>; |
| regulator-name = "vdd_gpu"; |
| regulator-min-microvolt = <712500>; |
| regulator-max-microvolt = <1500000>; |
| regulator-ramp-delay = <1000>; |
| fcs,suspend-voltage-selector = <1>; |
| regulator-always-on; |
| regulator-boot-on; |
| vin-supply = <&vcc_sys>; |
| regulator-initial-mode = <1>; |
| regulator-state-mem { |
| regulator-off-in-suspend; |
| }; |
| }; |
| |
| rk808: pmic@1b { |
| compatible = "rockchip,rk808"; |
| reg = <0x1b>; |
| interrupt-parent = <&gpio1>; |
| interrupts = <21 IRQ_TYPE_LEVEL_LOW>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&pmic_int_l>; |
| rockchip,system-power-controller; |
| wakeup-source; |
| #clock-cells = <1>; |
| clock-output-names = "xin32k", "rtc_clko_wifi"; |
| |
| vcc1-supply = <&vcc_sys>; |
| vcc2-supply = <&vcc_sys>; |
| vcc3-supply = <&vcc_sys>; |
| vcc4-supply = <&vcc_sys>; |
| vcc6-supply = <&vcc_sys>; |
| vcc7-supply = <&vcc_sys>; |
| vcc8-supply = <&vcc3v3_sys>; |
| vcc9-supply = <&vcc_sys>; |
| vcc10-supply = <&vcc_sys>; |
| vcc11-supply = <&vcc_sys>; |
| vcc12-supply = <&vcc3v3_sys>; |
| vddio-supply = <&vcc_1v8>; |
| |
| regulators { |
| vdd_center: DCDC_REG1 { |
| regulator-name = "vdd_center"; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <900000>; |
| regulator-ramp-delay = <6001>; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-off-in-suspend; |
| }; |
| }; |
| |
| vdd_cpu_l: DCDC_REG2 { |
| regulator-name = "vdd_cpu_l"; |
| regulator-min-microvolt = <750000>; |
| regulator-max-microvolt = <1350000>; |
| regulator-ramp-delay = <6001>; |
| regulator-always-on; |
| regulator-boot-on; |
| 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-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| regulator-suspend-microvolt = <1800000>; |
| }; |
| }; |
| |
| vcc1v8_dvp: LDO_REG1 { |
| regulator-name = "vcc1v8_dvp"; |
| 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>; |
| }; |
| }; |
| |
| vcca1v8_hdmi: LDO_REG2 { |
| regulator-name = "vcca1v8_hdmi"; |
| 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>; |
| }; |
| }; |
| |
| vcca_1v8: LDO_REG3 { |
| regulator-name = "vcca_1v8"; |
| 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>; |
| }; |
| }; |
| |
| vcc_sd: LDO_REG4 { |
| regulator-name = "vcc_sd"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| regulator-suspend-microvolt = <3300000>; |
| }; |
| }; |
| |
| vcc3v0_sd: LDO_REG5 { |
| regulator-name = "vcc3v0_sd"; |
| regulator-min-microvolt = <3000000>; |
| regulator-max-microvolt = <3000000>; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| regulator-suspend-microvolt = <3000000>; |
| }; |
| }; |
| |
| vcc_1v5: LDO_REG6 { |
| regulator-name = "vcc_1v5"; |
| regulator-min-microvolt = <1500000>; |
| regulator-max-microvolt = <1500000>; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| regulator-suspend-microvolt = <1500000>; |
| }; |
| }; |
| |
| vcca0v9_hdmi: LDO_REG7 { |
| regulator-name = "vcca0v9_hdmi"; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <900000>; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| regulator-suspend-microvolt = <900000>; |
| }; |
| }; |
| |
| vcc_3v0: LDO_REG8 { |
| regulator-name = "vcc_3v0"; |
| regulator-min-microvolt = <3000000>; |
| regulator-max-microvolt = <3000000>; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| regulator-suspend-microvolt = <3000000>; |
| }; |
| }; |
| |
| vcc3v3_s3: SWITCH_REG1 { |
| regulator-name = "vcc3v3_s3"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| }; |
| }; |
| |
| vcc3v3_s0: SWITCH_REG2 { |
| regulator-name = "vcc3v3_s0"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| &i2c1 { |
| i2c-scl-rising-time-ns = <300>; |
| i2c-scl-falling-time-ns = <15>; |
| status = "okay"; |
| }; |
| |
| &i2c3 { |
| i2c-scl-rising-time-ns = <450>; |
| i2c-scl-falling-time-ns = <15>; |
| status = "okay"; |
| }; |
| |
| &i2c4 { |
| i2c-scl-rising-time-ns = <600>; |
| i2c-scl-falling-time-ns = <40>; |
| status = "okay"; |
| |
| fusb0: typec-portc@22 { |
| compatible = "fcs,fusb302"; |
| reg = <0x22>; |
| interrupt-parent = <&gpio1>; |
| interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&fusb0_int>; |
| vbus-supply = <&vcc5v0_typec>; |
| status = "okay"; |
| }; |
| }; |
| |
| &i2c7 { |
| status = "okay"; |
| }; |
| |
| &i2s0 { |
| rockchip,playback-channels = <8>; |
| rockchip,capture-channels = <8>; |
| status = "okay"; |
| }; |
| |
| &i2s1 { |
| rockchip,playback-channels = <2>; |
| rockchip,capture-channels = <2>; |
| status = "okay"; |
| }; |
| |
| &i2s2 { |
| status = "okay"; |
| }; |
| |
| &io_domains { |
| status = "okay"; |
| audio-supply = <&vcc1v8_s0>; |
| bt656-supply = <&vcc1v8_s0>; |
| gpio1830-supply = <&vcc_3v0>; |
| sdmmc-supply = <&vcc_sd>; |
| }; |
| |
| &pmu_io_domains { |
| status = "okay"; |
| pmu1830-supply = <&vcc_1v8>; |
| }; |
| |
| &pinctrl { |
| fusb30x { |
| fusb0_int: fusb0-int { |
| rockchip,pins = |
| <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>; |
| }; |
| }; |
| |
| gmac { |
| rgmii_sleep_pins: rgmii-sleep-pins { |
| rockchip,pins = |
| <3 RK_PB7 RK_FUNC_GPIO &pcfg_output_low>; |
| }; |
| }; |
| |
| ir { |
| ir_rx: ir-rx { |
| rockchip,pins = <0 RK_PA6 1 &pcfg_pull_none>; |
| }; |
| }; |
| |
| leds { |
| power_led_pin: power-led-pin { |
| rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| }; |
| |
| pmic { |
| pmic_int_l: pmic-int-l { |
| rockchip,pins = |
| <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>; |
| }; |
| |
| vsel1_pin: vsel1-pin { |
| rockchip,pins = |
| <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>; |
| }; |
| |
| vsel2_pin: vsel2-pin { |
| rockchip,pins = |
| <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>; |
| }; |
| }; |
| |
| sdio { |
| bt_host_wake_l: bt-host-wake-l { |
| rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| |
| bt_reg_on_h: bt-reg-on-h { |
| /* external pullup to VCC1V8_PMUPLL */ |
| rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| |
| bt_wake_l: bt-wake-l { |
| rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| |
| wifi_reg_on_h: wifi-reg_on-h { |
| rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| }; |
| |
| wifi { |
| wifi_host_wake_l: wifi-host-wake-l { |
| rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| }; |
| |
| usb-typec { |
| vcc5v0_typec_en: vcc5v0_typec_en { |
| rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>; |
| }; |
| }; |
| |
| usb2 { |
| host_vbus_drv: host-vbus-drv { |
| rockchip,pins = |
| <4 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| }; |
| }; |
| |
| &pwm2 { |
| status = "okay"; |
| pinctrl-0 = <&pwm2_pin_pull_down>; |
| }; |
| |
| &saradc { |
| vref-supply = <&vcc1v8_s0>; |
| status = "okay"; |
| }; |
| |
| &sdmmc { |
| clock-frequency = <150000000>; |
| max-frequency = <150000000>; |
| bus-width = <4>; |
| cap-mmc-highspeed; |
| cap-sd-highspeed; |
| disable-wp; |
| vqmmc-supply = <&vcc_sd>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>; |
| card-detect-delay = <800>; |
| status = "okay"; |
| }; |
| |
| &sdhci { |
| bus-width = <8>; |
| mmc-hs400-1_8v; |
| mmc-hs400-enhanced-strobe; |
| non-removable; |
| keep-power-in-suspend; |
| status = "okay"; |
| }; |
| |
| &sdio0 { |
| bus-width = <4>; |
| clock-frequency = <50000000>; |
| cap-sdio-irq; |
| cap-sd-highspeed; |
| keep-power-in-suspend; |
| mmc-pwrseq = <&sdio_pwrseq>; |
| non-removable; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>; |
| sd-uhs-sdr104; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| status = "okay"; |
| |
| brcmf: wifi@1 { |
| compatible = "brcm,bcm4329-fmac"; |
| reg = <1>; |
| interrupt-parent = <&gpio0>; |
| interrupts = <RK_PA3 IRQ_TYPE_LEVEL_HIGH>; |
| interrupt-names = "host-wake"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&wifi_host_wake_l>; |
| }; |
| }; |
| |
| &spdif { |
| status = "okay"; |
| pinctrl-0 = <&spdif_bus_1>; |
| }; |
| |
| &spi1 { |
| status = "okay"; |
| |
| flash@0 { |
| compatible = "jedec,spi-nor"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| reg = <0>; |
| spi-max-frequency = <10000000>; |
| }; |
| }; |
| |
| &tcphy0 { |
| status = "okay"; |
| }; |
| |
| &tcphy1 { |
| status = "okay"; |
| }; |
| |
| &tsadc { |
| /* tshut mode 0:CRU 1:GPIO */ |
| rockchip,hw-tshut-mode = <1>; |
| /* tshut polarity 0:LOW 1:HIGH */ |
| rockchip,hw-tshut-polarity = <1>; |
| rockchip,hw-tshut-temp = <110000>; |
| status = "okay"; |
| }; |
| |
| &u2phy0 { |
| status = "okay"; |
| |
| u2phy0_host: host-port { |
| phy-supply = <&vcc5v0_typec>; |
| status = "okay"; |
| }; |
| |
| u2phy0_otg: otg-port { |
| status = "okay"; |
| }; |
| }; |
| |
| &u2phy1 { |
| status = "okay"; |
| |
| u2phy1_host: host-port { |
| phy-supply = <&vcc5v0_host>; |
| status = "okay"; |
| }; |
| |
| u2phy1_otg: otg-port { |
| status = "okay"; |
| }; |
| }; |
| |
| &uart0 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&uart0_xfer &uart0_rts &uart0_cts>; |
| status = "okay"; |
| |
| bluetooth { |
| compatible = "brcm,bcm43438-bt"; |
| clocks = <&rk808 1>; |
| clock-names = "ext_clock"; |
| device-wakeup-gpios = <&gpio2 RK_PD2 GPIO_ACTIVE_HIGH>; |
| host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>; |
| shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>; |
| max-speed = <4000000>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&bt_reg_on_h &bt_host_wake_l &bt_wake_l>; |
| vbat-supply = <&vcc3v3_sys>; |
| vddio-supply = <&vcc_1v8>; |
| }; |
| }; |
| |
| &uart2 { |
| status = "okay"; |
| }; |
| |
| &usb_host0_ehci { |
| status = "okay"; |
| }; |
| |
| &usb_host0_ohci { |
| status = "okay"; |
| }; |
| |
| &usb_host1_ehci { |
| status = "okay"; |
| }; |
| |
| &usb_host1_ohci { |
| status = "okay"; |
| }; |
| |
| &usbdrd3_0 { |
| status = "okay"; |
| }; |
| |
| &usbdrd_dwc3_0 { |
| status = "okay"; |
| dr_mode = "host"; |
| }; |
| |
| &usbdrd3_1 { |
| status = "okay"; |
| }; |
| |
| &usbdrd_dwc3_1 { |
| status = "okay"; |
| dr_mode = "host"; |
| }; |
| |
| &vopb { |
| status = "okay"; |
| }; |
| |
| &vopb_mmu { |
| status = "okay"; |
| }; |
