[U-Boot] [PATCH 02/16] dts: Add initial support for bcm2838
Matthias Brugger
matthias.bgg at gmail.com
Tue Jul 16 14:21:01 UTC 2019
On 16/07/2019 15:37, andrei at gherzan.ro wrote:
> From: Andrei Gherzan <andrei at gherzan.ro>
>
> Signed-off-by: Andrei Gherzan <andrei at 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-$(CONFIG_ARCH_BCM283X) += \
> bcm2837-rpi-3-a-plus.dtb \
> bcm2837-rpi-3-b.dtb \
> bcm2837-rpi-3-b-plus.dtb \
> - bcm2837-rpi-cm3-io3.dtb
> + bcm2837-rpi-cm3-io3.dtb \
> + bcm2837-rpi-3-b.dtb \
You added rpi-3-b again, no need for that.
> + bcm2838-rpi-4-b.dtb
>
> dtb-$(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 at 40041000 {
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + compatible = "arm,gic-400";
> + reg = <0x40041000 0x1000>,
> + <0x40042000 0x2000>,
> + <0x40044000 0x2000>,
> + <0x40046000 0x2000>;
> + };
> +
> + thermal: thermal at 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 at 7e204000 {
> + reg = <0x7e204000 0x0200>;
> + interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + pixelvalve at 7e206000 {
> + interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + pixelvalve at 7e207000 {
> + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + hvs at 7e400000 {
> + interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + emmc2: emmc2 at 7e340000 {
> + compatible = "brcm,bcm2711-emmc2";
> + status = "okay";
> + interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clocks BCM2838_CLOCK_EMMC2>;
> + reg = <0x7e340000 0x100>;
> + };
> +
> + pixelvalve at 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 at 0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a72";
> + reg = <0>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x000000d8>;
> + };
> +
> + cpu1: cpu at 1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a72";
> + reg = <1>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x000000e0>;
> + };
> +
> + cpu2: cpu at 2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a72";
> + reg = <2>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x000000e8>;
> + };
> +
> + cpu3: cpu at 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>;
> +};
>
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