From patchwork Tue Mar 13 16:44:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Escande X-Patchwork-Id: 131507 Delivered-To: patch@linaro.org Received: by 10.46.84.17 with SMTP id i17csp963555ljb; Tue, 13 Mar 2018 09:46:23 -0700 (PDT) X-Google-Smtp-Source: AG47ELuGc8apj0lPCSZbJ7kMhQObtyZYs2TmIvGp6WchKo/CToTllqU7nkYHOocACgy//WhLgRrg X-Received: by 10.98.160.142 with SMTP id p14mr1251846pfl.134.1520959583561; Tue, 13 Mar 2018 09:46:23 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1520959583; cv=none; d=google.com; s=arc-20160816; b=zldlnhd6CR+T+L0qzHpBPz0hnxuHo+Z6GPWCuSId3oY78z31F/AMadf+tD7LGNX8Zn noaStIBui/IjwlLL8mbbFR7aqWVp07baLDPb0YOzu6V7HUEBRWzj234SZaoHyHysjnjp KZdgRKt6s4NlfrhXsTNSa3kbiSWyFj+56Xr8YzeZJHM5TyvOsJk54/nrEoNtiPK7sS2z bA2NNlFzqnGRQE5sGGmQQ36bnYn7mGM1paLl2QgflIG5Ki2Q5zIrA+ZvVKVtutMXIvqu Po8xnk2R6tzLo+HGieZ/XqPibHOveqKParQxOlyH6+bn5ZNp7MS2dLR6eQFieOugmaE0 UL8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfert-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:arc-authentication-results; bh=aEYQqoxrWdgXq3vowP1MQaWqTPVURmK2U4wnRzOlJ14=; b=r676oRz7LUmYkm2WRPUCQX/uTFnyMv64uTsFoUKnKF+5pDIYqIYwInAeHHPJ6UZE5T QXGSwIGtkg26pZQqAKZsaw2hMWE+s9EX8DF1kd1l5C6kR4e6kEaEpJfRFu9rre53IpOJ qGz7vKISdNmHERPuDnjT803ibek0NJ6KettZOYheFwLILAS0Z8bkpjmX8MwqmSEcThT2 qFgN4saSKZioJESejK8ZcBPPK79yLCF8QvOqCaMuqugrprE+Va5/iL5YxN7qaWi7biHE gsvy8ft+5UgDBQcBC18Uv2eSrVSFQEUZvUf+0UelZoIh7Z838u99eG0vkWqsg9TN57mi 5UKQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=M8lX+klc; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. 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[88.167.228.121]) by smtp.gmail.com with ESMTPSA id 96sm707758wrk.54.2018.03.13.09.45.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Mar 2018 09:45:06 -0700 (PDT) From: Thierry Escande To: Rob Herring , Andy Gross , Marcel Holtmann , Johan Hedberg , David Brown , Mark Rutland Cc: Bjorn Andersson , Srinivas Kandagatla , linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/3] arm64: dts: apq8096-db820c: enable bluetooth node Date: Tue, 13 Mar 2018 17:44:42 +0100 Message-Id: <20180313164444.19881-2-thierry.escande@linaro.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180313164444.19881-1-thierry.escande@linaro.org> References: <20180313164444.19881-1-thierry.escande@linaro.org> MIME-Version: 1.0 Content-Transfert-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a new serial node for the Qualcomm BT controller QCA6174. This allows automatic probing and hci registration through the serdev framework instead of relying on the userspace helpers. Signed-off-by: Thierry Escande --- arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi | 14 ++++++++++ .../boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi | 17 ++++++++++++ arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 32 ++++++++++++++++++++++ arch/arm64/boot/dts/qcom/msm8996.dtsi | 10 +++++++ 4 files changed, 73 insertions(+) -- 2.14.1 Reviewed-by: Bjorn Andersson diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi index 24552f19b3fa..172165d84669 100644 --- a/arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi @@ -36,4 +36,18 @@ drive-strength = <2>; /* 2 MA */ }; }; + + blsp1_uart1_default: blsp1_uart1_default { + function = "blsp_uart2"; + pins = "gpio41", "gpio42", "gpio43", "gpio44"; + drive-strength = <16>; + bias-disable; + }; + + blsp1_uart1_sleep: blsp1_uart1_sleep { + function = "gpio"; + pins = "gpio41", "gpio42", "gpio43", "gpio44"; + drive-strength = <2>; + bias-disable; + }; }; diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi index 59b29ddfb6e9..f8d2a3b10b1f 100644 --- a/arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi @@ -26,6 +26,23 @@ }; }; + divclk4_pin_a: divclk4 { + pins = "gpio18"; + function = "func2"; + + bias-disable; + power-source = ; + }; + + bt_en_pin_a: bt-en-active { + pins = "gpio19"; + function = "normal"; + + output-low; + power-source = ; + qcom,drive-strength = ; + }; + usb3_vbus_det_gpio: pm8996_gpio22 { pinconf { pins = "gpio22"; diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi index 1c8f1b86472d..b05d6bc0b856 100644 --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi @@ -23,6 +23,7 @@ aliases { serial0 = &blsp2_uart1; serial1 = &blsp2_uart2; + serial2 = &blsp1_uart1; i2c0 = &blsp1_i2c2; i2c1 = &blsp2_i2c1; i2c2 = &blsp2_i2c0; @@ -34,7 +35,38 @@ stdout-path = "serial0:115200n8"; }; + clocks { + divclk4: divclk4 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + clock-output-names = "divclk4"; + + pinctrl-names = "default"; + pinctrl-0 = <&divclk4_pin_a>; + }; + }; + soc { + serial@7570000 { + label = "BT-UART"; + status = "okay"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&blsp1_uart1_default>; + pinctrl-1 = <&blsp1_uart1_sleep>; + + bluetooth { + compatible = "qcom,qca6174-bt"; + + bt-disable-n-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&bt_en_pin_a>; + + clocks = <&divclk4>; + }; + }; + serial@75b0000 { label = "LS-UART1"; status = "okay"; diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index 0a6f7952bbb1..2d54a86a027f 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -408,6 +408,16 @@ #clock-cells = <1>; }; + blsp1_uart1: serial@7570000 { + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; + reg = <0x07570000 0x1000>; + interrupts = ; + clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>, + <&gcc GCC_BLSP1_AHB_CLK>; + clock-names = "core", "iface"; + status = "disabled"; + }; + blsp1_spi0: spi@7575000 { compatible = "qcom,spi-qup-v2.2.1"; reg = <0x07575000 0x600>; From patchwork Tue Mar 13 16:44:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Escande X-Patchwork-Id: 131505 Delivered-To: patch@linaro.org Received: by 10.46.84.17 with SMTP id i17csp962407ljb; Tue, 13 Mar 2018 09:45:20 -0700 (PDT) X-Google-Smtp-Source: AG47ELtnsNuYfzT4uAmYzQZjWnxRjbF6IxJVlcJc2iOE4fIi9ZPEcPD2pWPsGDlfFC91Jb4zPUr4 X-Received: by 2002:a17:902:b703:: with SMTP id d3-v6mr1106159pls.209.1520959520385; Tue, 13 Mar 2018 09:45:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1520959520; cv=none; d=google.com; s=arc-20160816; b=Y5TmTSZSdXzFDisvTA8pDC9iG/SWNQzWE3HhYHXnhxsyegR7Deg3ZcXhaeMSPm+uLE KUZGpqVZler+LF9H9dQHZ/iM6DCcISAzu+P17X3legdii/L+I1BXNKfZAk6q8USGVPlB ohBIvDrXGpIgI+lUiK3+KTSrGFRma2SqzaWj9GYC08lTztJtlS6/govWv69pX81O+44b oNKDxyNtdTMm7yhN2dU+adCOBVulqnQdaK6dADnk4js8bL24vF+BMxNSvRTCZsKTvV95 F8JzcNM2y+JgPIS2AX/LSyDuOC44A8Dke7/WLyHcbtkwrzIkNSnN/RXiUdX6IX6MsN6p bRAw== ARC-Message-Signature: i=1; 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[88.167.228.121]) by smtp.gmail.com with ESMTPSA id 96sm707758wrk.54.2018.03.13.09.45.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Mar 2018 09:45:08 -0700 (PDT) From: Thierry Escande To: Rob Herring , Andy Gross , Marcel Holtmann , Johan Hedberg , David Brown , Mark Rutland Cc: Bjorn Andersson , Srinivas Kandagatla , linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] dt-bindings: net: bluetooth: Add qualcomm-bluetooth Date: Tue, 13 Mar 2018 17:44:43 +0100 Message-Id: <20180313164444.19881-3-thierry.escande@linaro.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180313164444.19881-1-thierry.escande@linaro.org> References: <20180313164444.19881-1-thierry.escande@linaro.org> MIME-Version: 1.0 Content-Transfert-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add binding document for serial bluetooth chips using Qualcomm protocol. Signed-off-by: Thierry Escande --- .../devicetree/bindings/net/qualcomm-bluetooth.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt -- 2.14.1 diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt new file mode 100644 index 000000000000..288cf062e906 --- /dev/null +++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt @@ -0,0 +1,34 @@ +Qualcomm Bluetooth Chips +--------------------- + +This documents the binding structure and common properties for serial +attached Qualcomm devices. + +Serial attached Qualcomm devices shall be a child node of the host UART +device the slave device is attached to. + +Required properties: + + - compatible: should contain one of the following: + * "qcom,qca6174-bt" + +Optional properties: + + - bt-disable-n-gpios: GPIO specifier, used to enable chip during probe + +Example: + +serial@7570000 { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&blsp1_uart1_default>; + pinctrl-1 = <&blsp1_uart1_sleep>; + + bluetooth { + compatible = "qcom,qca6174-bt"; + + bt-disable-n-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&bt_en_pin_a>, <&divclk4_pin_a>; + }; +};