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[92.99.174.93]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a4efe5b92bsm18574640f8f.9.2025.06.03.10.01.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Jun 2025 10:01:29 -0700 (PDT) From: Alexey Charkov Date: Tue, 03 Jun 2025 21:01:16 +0400 Subject: [PATCH 4/4] arm64: dts: rockchip: enable bluetooth on ArmSoM Sige5 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250603-sige5-updates-v1-4-717e8ce4ab77@gmail.com> References: <20250603-sige5-updates-v1-0-717e8ce4ab77@gmail.com> In-Reply-To: <20250603-sige5-updates-v1-0-717e8ce4ab77@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Alexey Charkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1748970076; l=1967; i=alchark@gmail.com; s=20250416; h=from:subject:message-id; bh=MRpcTnOmrGZKKzMf/zKdzcRdfMSKeKmyduo0AYU5qjI=; b=smst/OKPkZEHmFa2lIItgsGCj0ToD3bQtjChD6j/TxtKlzH7pmVS/qHpQJMmNH4dOT3XXqCu+ GBz4ySF7afoAA32zIGNcWjDPMygusyjS9VBK4SMPL9H0LMXQyONjVPu X-Developer-Key: i=alchark@gmail.com; a=ed25519; pk=ltKbQzKLTJPiDgPtcHxdo+dzFthCCMtC3V9qf7+0rkc= ArmSoM Sige5 uses a soldered-on UART connected Bluetooth controller. Namely, board v1.1 uses a Realtek based BL-M8852BS2, while v1.2 uses a Broadcom based BW3752-50B1. Add required device tree nodes to enable the Broadcom based module. Signed-off-by: Alexey Charkov --- .../boot/dts/rockchip/rk3576-armsom-sige5.dts | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts index dcd033859398312f7693bebb7f080ee4f2ecaa32..46e5d6e30898a0f937283e986f188947e10250ec 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts @@ -791,6 +791,20 @@ usb_host_pwren: usb-host-pwren { }; }; + wireless-bluetooth { + bt_reg_on: bt-reg-on { + rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>; + }; + + host_wake_bt: host-wake-bt { + rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>; + }; + + bt_wake_host: bt-wake-host { + rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_down>; + }; + }; + wireless-wlan { wifi_wake_host: wifi-wake-host { rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>; @@ -872,6 +886,25 @@ &uart0 { status = "okay"; }; +&uart4 { + pinctrl-0 = <&uart4m1_xfer &uart4m1_ctsn &uart4m1_rtsn>; + pinctrl-names = "default"; + uart-has-rtscts; + status = "okay"; + + bluetooth { + compatible = "brcm,bcm43438-bt"; + clocks = <&hym8563>; + clock-names = "lpo"; + device-wakeup-gpios = <&gpio1 RK_PD7 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&gpio0>; + interrupts = ; + pinctrl-0 = <&bt_reg_on>, <&bt_wake_host>, <&host_wake_bt>; + pinctrl-names = "default"; + shutdown-gpios = <&gpio0 RK_PC6 GPIO_ACTIVE_HIGH>; + }; +}; + &usb_drd1_dwc3 { dr_mode = "host"; status = "okay"; -- 2.49.0