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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mAAdS-00DWpT-0U; Sun, 01 Aug 2021 12:32:06 +0000 Received: from mout.kundenserver.de ([212.227.126.134]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mAAb4-00DVwD-3K; Sun, 01 Aug 2021 12:29:42 +0000 Received: from localhost.localdomain ([37.4.249.97]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MMXYN-1mQSpL4Ash-00JXBO; Sun, 01 Aug 2021 14:29:29 +0200 From: Stefan Wahren To: Rob Herring , Nicolas Saenz Julienne , Florian Fainelli Cc: Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Maxime Ripard , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Stefan Wahren Subject: [PATCH 5/9] ARM: dts: bcm283x-rpi: Move Wifi/BT into separate dtsi Date: Sun, 1 Aug 2021 14:28:48 +0200 Message-Id: <1627820932-7247-6-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1627820932-7247-1-git-send-email-stefan.wahren@i2se.com> References: <1627820932-7247-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K1:V065umsLCW62fzJJtPkz66ZECcZMWTu7Tglw7Y1xI/FEBJwVxtQ PFp/XAxoYFvo7UWR6DkFP9LrZ4JBLX/hDhMaftX0xDV9AdsxTJ6F2BooX4YEN1aZwQS4woY iFDWkTVyxdC5HGrVNKhT6uoNpWzjfek1QzkG6gnoCrUl5SzYctZxG9jrjX5KhLXhog55u+e tmTLF/VXFpeUdikH6wZzQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:QnplmWGv/Kk=:2ei/TpwFJ6KCiYyIk4uE2E HBtE8WP2t1DL5ffsFAAqmXygmpM1Dl55Wr0EfV2gKqDxrlZpf7V3TyiLAEWMqsDTbgfBJKCCX abhErbnxtnZmPBuOnXdSdmitdhyEm0//5Ss0J6PLA5WkAHO1vtn+/al/ZukUrHUl3B07gbSax 9rY5gHas4d5Ja84gN0BX5SAJvLb0HuG1A+WnUc67VtC7wX+Guvlvl5/oNRjhYM+UX+V4N0nRU wEWCB6VSrIp//Wo3DcfZx/dOs2kB23ujZy6OGDQRy0Bt5jUdiw2WRuA3Um1I+lylSAmPTC48c eerR14hnnNm1x7qdW/sGZCMOII2YwSmqGGHDa4pZRMbLIEt0y5yYJQXTJjZp3hDT5oofdn5Sx MCiL+UxnfEmrR7iI4Z5RiL4HVB74RsQ+Z/JeGiS5t1EHiKMUFjIpRmHUQQoI8Ujt8hQQu3gvv XMZho6FUM/vxcN0eSBLgd9qYXDDzjubbZNqrX4OjXDBn0vrlVfNv/q0Y4aeyoeEnIVEhAg9ux XNce6bQtW/1k+bFstK95jSYU7XcxlMc3Qg/iikkfcC/FNeGKlYY9fIKPBx42UG+MREQnmGx4Z 0lUKds4u0zJGR+qRViENOLyn8VFFvkNqwwWuZoogDBEqB1BSMQJuXy2OuzJM3e8k+n+JMUuj2 52WubtlFIWWD3JYz5x+umEa5FlKLx3l2nUi4uOJmqJLFEMHurKiG5Y1YtCFx/XuOkQ5Xh7veD i7SZpv+diEpj7ZwHxc6a3kF+n47uRsFe5JIPfkoAd7DD6P8dGxmZSSDLnvNQL2mDTRtc+ws/Y D14Z+enLG9Jp4cwtCIzJlo0Ikvk935FXuZ/kjgcxZENE7vsob65Ela/B1ZoRyT9apWG+eDPM/ Sy8HjqwarzYsFpdFhEgQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210801_052938_546332_198C56F5 X-CRM114-Status: GOOD ( 20.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org A Wifi/BT chip is quite common for the Raspberry Pi boards. So move those definitions into a separate dtsi in order to avoid copy & paste. This change was inspired by a vendor tree patch from Phil Elwell. Signed-off-by: Stefan Wahren --- arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 38 +++++++----------------------- arch/arm/boot/dts/bcm2835-rpi-zero-w.dts | 31 +++++++----------------- arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts | 36 ++++++---------------------- arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 36 +++++++--------------------- arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 36 +++++++--------------------- arch/arm/boot/dts/bcm283x-rpi-wifi-bt.dtsi | 34 ++++++++++++++++++++++++++ 6 files changed, 74 insertions(+), 137 deletions(-) create mode 100644 arch/arm/boot/dts/bcm283x-rpi-wifi-bt.dtsi diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index abf8298..c54ba5cf 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -3,6 +3,7 @@ #include "bcm2711.dtsi" #include "bcm2711-rpi.dtsi" #include "bcm283x-rpi-usb-peripheral.dtsi" +#include "bcm283x-rpi-wifi-bt.dtsi" / { compatible = "raspberrypi,4-model-b", "brcm,bcm2711"; @@ -26,11 +27,6 @@ }; }; - wifi_pwrseq: wifi-pwrseq { - compatible = "mmc-pwrseq-simple"; - reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; - }; - sd_io_1v8_reg: sd_io_1v8_reg { compatible = "regulator-gpio"; regulator-name = "vdd-sd-io"; @@ -56,6 +52,10 @@ }; }; +&bt { + shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; +}; + &ddc0 { status = "okay"; }; @@ -178,23 +178,6 @@ status = "okay"; }; -/* SDHCI is used to control the SDIO for wireless */ -&sdhci { - #address-cells = <1>; - #size-cells = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&emmc_gpio34>; - bus-width = <4>; - non-removable; - mmc-pwrseq = <&wifi_pwrseq>; - status = "okay"; - - brcmf: wifi@1 { - reg = <1>; - compatible = "brcm,bcm4329-fmac"; - }; -}; - /* EMMC2 is used to drive the SD card */ &emmc2 { vqmmc-supply = <&sd_io_1v8_reg>; @@ -236,13 +219,6 @@ pinctrl-names = "default"; pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>; uart-has-rtscts; - status = "okay"; - - bluetooth { - compatible = "brcm,bcm43438-bt"; - max-speed = <2000000>; - shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; - }; }; /* uart1 is mapped to the pin header */ @@ -259,3 +235,7 @@ &vec { status = "disabled"; }; + +&wifi_pwrseq { + reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; +}; diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts index 33b2b77..243236b 100644 --- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts +++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts @@ -7,6 +7,7 @@ #include "bcm2835.dtsi" #include "bcm2835-rpi.dtsi" #include "bcm283x-rpi-usb-otg.dtsi" +#include "bcm283x-rpi-wifi-bt.dtsi" / { compatible = "raspberrypi,model-zero-w", "brcm,bcm2835"; @@ -27,11 +28,10 @@ gpios = <&gpio 47 GPIO_ACTIVE_LOW>; }; }; +}; - wifi_pwrseq: wifi-pwrseq { - compatible = "mmc-pwrseq-simple"; - reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; - }; +&bt { + shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>; }; &gpio { @@ -110,19 +110,7 @@ }; &sdhci { - #address-cells = <1>; - #size-cells = <0>; - pinctrl-names = "default"; pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; - bus-width = <4>; - mmc-pwrseq = <&wifi_pwrseq>; - non-removable; - status = "okay"; - - brcmf: wifi@1 { - reg = <1>; - compatible = "brcm,bcm4329-fmac"; - }; }; &sdhost { @@ -135,13 +123,6 @@ &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>; - status = "okay"; - - bluetooth { - compatible = "brcm,bcm43438-bt"; - max-speed = <2000000>; - shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>; - }; }; &uart1 { @@ -149,3 +130,7 @@ pinctrl-0 = <&uart1_gpio14>; status = "okay"; }; + +&wifi_pwrseq { + reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; +}; diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts index 77099a7..d73daf5 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts @@ -3,6 +3,7 @@ #include "bcm2837.dtsi" #include "bcm2836-rpi.dtsi" #include "bcm283x-rpi-usb-host.dtsi" +#include "bcm283x-rpi-wifi-bt.dtsi" / { compatible = "raspberrypi,3-model-a-plus", "brcm,bcm2837"; @@ -130,28 +131,6 @@ status = "okay"; }; -/* - * SDHCI is used to control the SDIO for wireless - * - * WL_REG_ON and BT_REG_ON of the CYW43455 Wifi/BT module are driven - * by a single GPIO. We can't give GPIO control to one of the drivers, - * otherwise the other part would get unexpectedly disturbed. - */ -&sdhci { - #address-cells = <1>; - #size-cells = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&emmc_gpio34>; - status = "okay"; - bus-width = <4>; - non-removable; - - brcmf: wifi@1 { - reg = <1>; - compatible = "brcm,bcm4329-fmac"; - }; -}; - /* SDHOST is used to drive the SD card */ &sdhost { pinctrl-names = "default"; @@ -160,16 +139,15 @@ bus-width = <4>; }; -/* uart0 communicates with the BT module */ +/* uart0 communicates with the BT module + * + * WL_REG_ON and BT_REG_ON of the CYW43455 Wifi/BT module are driven + * by a single GPIO. We can't give GPIO control to one of the drivers, + * otherwise the other part would get unexpectedly disturbed. + */ &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>; - status = "okay"; - - bluetooth { - compatible = "brcm,bcm43438-bt"; - max-speed = <2000000>; - }; }; /* uart1 is mapped to the pin header */ diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts index 6101026..e12938b 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts @@ -4,6 +4,7 @@ #include "bcm2836-rpi.dtsi" #include "bcm283x-rpi-lan7515.dtsi" #include "bcm283x-rpi-usb-host.dtsi" +#include "bcm283x-rpi-wifi-bt.dtsi" / { compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837"; @@ -31,11 +32,10 @@ linux,default-trigger = "default-on"; }; }; +}; - wifi_pwrseq: wifi-pwrseq { - compatible = "mmc-pwrseq-simple"; - reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; - }; +&bt { + shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; }; &firmware { @@ -137,23 +137,6 @@ status = "okay"; }; -/* SDHCI is used to control the SDIO for wireless */ -&sdhci { - #address-cells = <1>; - #size-cells = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&emmc_gpio34>; - status = "okay"; - bus-width = <4>; - non-removable; - mmc-pwrseq = <&wifi_pwrseq>; - - brcmf: wifi@1 { - reg = <1>; - compatible = "brcm,bcm4329-fmac"; - }; -}; - /* SDHOST is used to drive the SD card */ &sdhost { pinctrl-names = "default"; @@ -166,13 +149,6 @@ &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>; - status = "okay"; - - bluetooth { - compatible = "brcm,bcm43438-bt"; - max-speed = <2000000>; - shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; - }; }; /* uart1 is mapped to the pin header */ @@ -181,3 +157,7 @@ pinctrl-0 = <&uart1_gpio14>; status = "okay"; }; + +&wifi_pwrseq { + reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; +}; diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts index dd4a486..42b5383 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts @@ -4,6 +4,7 @@ #include "bcm2836-rpi.dtsi" #include "bcm283x-rpi-smsc9514.dtsi" #include "bcm283x-rpi-usb-host.dtsi" +#include "bcm283x-rpi-wifi-bt.dtsi" / { compatible = "raspberrypi,3-model-b", "brcm,bcm2837"; @@ -24,11 +25,10 @@ gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>; }; }; +}; - wifi_pwrseq: wifi-pwrseq { - compatible = "mmc-pwrseq-simple"; - reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; - }; +&bt { + shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; }; &firmware { @@ -134,13 +134,6 @@ &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>; - status = "okay"; - - bluetooth { - compatible = "brcm,bcm43438-bt"; - max-speed = <2000000>; - shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; - }; }; /* uart1 is mapped to the pin header */ @@ -150,23 +143,6 @@ status = "okay"; }; -/* SDHCI is used to control the SDIO for wireless */ -&sdhci { - #address-cells = <1>; - #size-cells = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&emmc_gpio34>; - status = "okay"; - bus-width = <4>; - non-removable; - mmc-pwrseq = <&wifi_pwrseq>; - - brcmf: wifi@1 { - reg = <1>; - compatible = "brcm,bcm4329-fmac"; - }; -}; - /* SDHOST is used to drive the SD card */ &sdhost { pinctrl-names = "default"; @@ -174,3 +150,7 @@ status = "okay"; bus-width = <4>; }; + +&wifi_pwrseq { + reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; +}; diff --git a/arch/arm/boot/dts/bcm283x-rpi-wifi-bt.dtsi b/arch/arm/boot/dts/bcm283x-rpi-wifi-bt.dtsi new file mode 100644 index 0000000..0b64cc1 --- /dev/null +++ b/arch/arm/boot/dts/bcm283x-rpi-wifi-bt.dtsi @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0 + +/ { + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; + }; +}; + +/* SDHCI is used to control the SDIO for wireless */ +&sdhci { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&emmc_gpio34>; + bus-width = <4>; + non-removable; + mmc-pwrseq = <&wifi_pwrseq>; + status = "okay"; + + brcmf: wifi@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + }; +}; + +/* uart0 communicates with the BT module */ +&uart0 { + status = "okay"; + + bt: bluetooth { + compatible = "brcm,bcm43438-bt"; + max-speed = <2000000>; + }; +};