From: Andrei Gherzan andrei@gherzan.ro
Signed-off-by: Andrei Gherzan andrei@gherzan.ro --- arch/arm/dts/Makefile | 4 +- arch/arm/dts/bcm2838-rpi-4-b.dts | 56 ++++++++ arch/arm/dts/bcm2838.dtsi | 237 +++++++++++++++++++++++++++++++ 3 files changed, 296 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/bcm2838-rpi-4-b.dts create mode 100644 arch/arm/dts/bcm2838.dtsi
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 20dbc2ff84..16790af1e1 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -749,7 +749,9 @@ dtb-$(CONFIG_ARCH_BCM283X) += \ bcm2837-rpi-3-a-plus.dtb \ bcm2837-rpi-3-b.dtb \ bcm2837-rpi-3-b-plus.dtb \ - bcm2837-rpi-cm3-io3.dtb + bcm2837-rpi-cm3-io3.dtb \ + bcm2837-rpi-3-b.dtb \ + bcm2838-rpi-4-b.dtb
dtb-$(CONFIG_ARCH_BCM63158) += \ bcm963158.dtb diff --git a/arch/arm/dts/bcm2838-rpi-4-b.dts b/arch/arm/dts/bcm2838-rpi-4-b.dts new file mode 100644 index 0000000000..07e9a78e8d --- /dev/null +++ b/arch/arm/dts/bcm2838-rpi-4-b.dts @@ -0,0 +1,56 @@ +/dts-v1/; +#include "bcm2838.dtsi" + +/ { + compatible = "raspberrypi,4-model-b","brcm,bcm2838","brcm,bcm2837"; + model = "Raspberry Pi 4 Model B"; + + memory { + reg = <0 0 0x40000000>; + }; + + leds { + act { + gpios = <&gpio 47 0>; + }; + }; +}; + +/* uart0 communicates with the BT module */ +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>; + status = "okay"; +}; + +/* uart1 is mapped to the pin header */ +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>; + status = "okay"; +}; + +/* SDHCI is used to control the SDIO for wireless */ +&sdhci { + pinctrl-names = "default"; + pinctrl-0 = <&emmc_gpio34>; + status = "okay"; + bus-width = <4>; + non-removable; +}; + +/* SDHOST is used to drive the SD card */ +&sdhost { + pinctrl-names = "default"; + pinctrl-0 = <&sdhost_gpio48>; + status = "okay"; + bus-width = <4>; +}; + +&gpio { + uart1_pins: uart1_pins { + brcm,pins; + brcm,function; + brcm,pull; + }; +}; diff --git a/arch/arm/dts/bcm2838.dtsi b/arch/arm/dts/bcm2838.dtsi new file mode 100644 index 0000000000..19b2d7b905 --- /dev/null +++ b/arch/arm/dts/bcm2838.dtsi @@ -0,0 +1,237 @@ +#include "bcm283x.dtsi" +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/power/raspberrypi-power.h> + +/ { + compatible = "brcm,bcm2838"; + + #address-cells = <2>; + #size-cells = <1>; + + interrupt-parent = <&gic>; + + soc { + ranges = <0x7e000000 0x0 0xfe000000 0x01800000>, + <0x7c000000 0x0 0xfc000000 0x02000000>, + <0x40000000 0x0 0xff800000 0x00800000>; + dma-ranges = <0xc0000000 0x0 0x00000000 0x3c000000>; + + gic: gic400@40041000 { + interrupt-controller; + #interrupt-cells = <3>; + compatible = "arm,gic-400"; + reg = <0x40041000 0x1000>, + <0x40042000 0x2000>, + <0x40044000 0x2000>, + <0x40046000 0x2000>; + }; + + thermal: thermal@7d5d2200 { + compatible = "brcm,avs-tmon-bcm2838"; + reg = <0x7d5d2200 0x2c>; + interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "tmon"; + clocks = <&clocks BCM2835_CLOCK_TSENS>; + #thermal-sensor-cells = <0>; + status = "okay"; + }; + + spi@7e204000 { + reg = <0x7e204000 0x0200>; + interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>; + }; + + pixelvalve@7e206000 { + interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>; + }; + + pixelvalve@7e207000 { + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; + }; + + hvs@7e400000 { + interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>; + }; + + emmc2: emmc2@7e340000 { + compatible = "brcm,bcm2711-emmc2"; + status = "okay"; + interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clocks BCM2838_CLOCK_EMMC2>; + reg = <0x7e340000 0x100>; + }; + + pixelvalve@7e807000 { + interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>; + }; + + }; + + arm-pmu { + /* + * N.B. the A72 PMU support only exists in arch/arm64, hence + * the fallback to the A53 version. + */ + compatible = "arm,cortex-a72-pmu", "arm,cortex-a53-pmu"; + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; + }; + + timer { + compatible = "arm,armv7-timer"; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_LOW)>; + arm,cpu-registers-not-fw-configured; + always-on; + }; + + cpus: cpus { + #address-cells = <1>; + #size-cells = <0>; + enable-method = "brcm,bcm2836-smp"; // for ARM 32-bit + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a72"; + reg = <0>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x000000d8>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a72"; + reg = <1>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x000000e0>; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a72"; + reg = <2>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x000000e8>; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a72"; + reg = <3>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x000000f0>; + }; + }; +}; + +&clk_osc { + clock-frequency = <54000000>; +}; + +&clocks { + compatible = "brcm,bcm2838-cprman"; +}; + +&cpu_thermal { + coefficients = <(-487) 410040>; +}; + +&dsi0 { + interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; +}; + +&dsi1 { + interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>; +}; + +&gpio { + compatible = "brcm,bcm2838-gpio", "brcm,bcm2835-gpio"; + interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>; +}; + +&vec { + interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>; +}; + +&usb { + interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; +}; + +&hdmi { + interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>; +}; + +&uart1 { + interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>; +}; + +&spi1 { + interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>; +}; + +&spi2 { + interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>; +}; + +&i2c0 { + interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>; +}; + +&i2c1 { + interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>; +}; + +&i2c2 { + interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>; +}; + +&mailbox { + interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>; +}; + +&sdhost { + interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; +}; + +&uart0 { + interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>; +}; + +&dma { + reg = <0x7e007000 0xb00>; + interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>, /* dmalite 7 */ + <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>, /* dmalite 8 */ + <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>, /* dmalite 9 */ + <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>; /* dmalite 10 */ + interrupt-names = "dma0", + "dma1", + "dma2", + "dma3", + "dma4", + "dma5", + "dma6", + "dma7", + "dma8", + "dma9", + "dma10"; + brcm,dma-channel-mask = <0x07f5>; +};