diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-ovl-rp1.dts b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-ovl-rp1.dts index 411b58c1dddf..04738bf281eb 100644 --- a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-ovl-rp1.dts +++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-ovl-rp1.dts @@ -81,6 +81,11 @@ wl_on_reg: wl-on-reg { }; &pinctrl { + bt_shutdown_default: bt-shutdown-default-state { + function = "gpio"; + pins = "gpio29"; + }; + emmc_sd_default: emmc-sd-default-state { pins = "emmc_cmd", "emmc_dat0", "emmc_dat1", "emmc_dat2", "emmc_dat3"; bias-pull-up; @@ -110,6 +115,29 @@ dat-pins { }; }; + uarta_24_default: uarta-24-default-state { + rts-pins { + function = "uart0"; + pins = "gpio24"; + bias-disable; + }; + cts-pins { + function = "uart0"; + pins = "gpio25"; + bias-pull-up; + }; + txd-pins { + function = "uart0"; + pins = "gpio26"; + bias-disable; + }; + rxd-pins { + function = "uart0"; + pins = "gpio27"; + bias-pull-up; + }; + }; + wl_on_default: wl-on-default-state { function = "gpio"; pins = "gpio28"; @@ -188,6 +216,20 @@ power: power { }; }; +/* uarta communicates with the BT module */ +&uarta { + uart-has-rtscts; + pinctrl-0 = <&uarta_24_default &bt_shutdown_default>; + pinctrl-names = "default"; + status = "okay"; + + bluetooth: bluetooth { + compatible = "brcm,bcm43438-bt"; + max-speed = <3000000>; + shutdown-gpios = <&gio 29 GPIO_ACTIVE_HIGH>; + }; +}; + &hvs { clocks = <&firmware_clocks 4>, <&firmware_clocks 16>; clock-names = "core", "disp"; diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi index 6068cb75ef5a..e77a66adc22a 100644 --- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi +++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi @@ -38,6 +38,13 @@ clk_emmc2: clk-emmc2 { clock-frequency = <200000000>; clock-output-names = "emmc2-clock"; }; + + clk_sw_baud: clk-sw-baud { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <96000000>; + clock-output-names = "sw-baud"; + }; }; cpus: cpus { @@ -260,6 +267,17 @@ gio: gpio@7d508500 { brcm,gpio-bank-widths = <32 22>; }; + uarta: serial@7d50c000 { + compatible = "brcm,bcm7271-uart"; + reg = <0x7d50c000 0x20>; + reg-names = "uart"; + clocks = <&clk_sw_baud>; + clock-names = "sw_baud"; + interrupts = ; + interrupt-names = "uart"; + status = "disabled"; + }; + pinctrl_aon: pinctrl@7d510700 { compatible = "brcm,bcm2712c0-aon-pinctrl"; reg = <0x7d510700 0x20>;