Initial support for Raspberry Pi model 3A+
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Peter Robinson
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From: Stefan Wahren <stefan.wahren@i2se.com>
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To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>,
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Subject: [PATCH V3 1/3] dt-bindings: bcm: Add Raspberry Pi 3 A+
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Date: Tue, 4 Dec 2018 19:58:17 +0100
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This adds the root properties for the Raspberry Pi 3 A+ .
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Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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Reviewed-by: Rob Herring <robh@kernel.org>
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---
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Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt
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index 0dcc3ea..245328f 100644
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--- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt
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+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt
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@@ -30,6 +30,10 @@ Raspberry Pi 2 Model B
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Required root node properties:
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compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
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+Raspberry Pi 3 Model A+
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+Required root node properties:
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+compatible = "raspberrypi,3-model-a-plus", "brcm,bcm2837";
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+
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Raspberry Pi 3 Model B
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Required root node properties:
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compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
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From: Stefan Wahren <stefan.wahren@i2se.com>
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To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>,
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Scott Branden <sbranden@broadcom.com>, Eric Anholt <eric@anholt.net>,
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Arnd Bergmann <arnd@arndb.de>
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Subject: [PATCH V3 2/3] ARM: dts: add Raspberry Pi 3 A+
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Date: Tue, 4 Dec 2018 19:58:18 +0100
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Errors-To:
|
||||
linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org
|
||||
X-Virus-Scanned: ClamAV using ClamSMTP
|
||||
|
||||
The Raspberry Pi 3 A+ is similar to the Pi 3 B+ but has only 512 MB RAM,
|
||||
1 USB 2.0 port and no Ethernet.
|
||||
|
||||
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
|
||||
Reviewed-by: Eric Anholt <eric@anholt.net>
|
||||
---
|
||||
arch/arm/boot/dts/Makefile | 1 +
|
||||
arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts | 107 +++++++++++++++++++++++++++++
|
||||
2 files changed, 108 insertions(+)
|
||||
create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
|
||||
|
||||
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
|
||||
index b0e966d..15bbd0d 100644
|
||||
--- a/arch/arm/boot/dts/Makefile
|
||||
+++ b/arch/arm/boot/dts/Makefile
|
||||
@@ -79,6 +79,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
|
||||
bcm2835-rpi-a-plus.dtb \
|
||||
bcm2835-rpi-cm1-io1.dtb \
|
||||
bcm2836-rpi-2-b.dtb \
|
||||
+ bcm2837-rpi-3-a-plus.dtb \
|
||||
bcm2837-rpi-3-b.dtb \
|
||||
bcm2837-rpi-3-b-plus.dtb \
|
||||
bcm2837-rpi-cm3-io3.dtb \
|
||||
diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
|
||||
new file mode 100644
|
||||
index 0000000..b2df7cf
|
||||
--- /dev/null
|
||||
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
|
||||
@@ -0,0 +1,107 @@
|
||||
+// SPDX-License-Identifier: GPL-2.0
|
||||
+/dts-v1/;
|
||||
+#include "bcm2837.dtsi"
|
||||
+#include "bcm2836-rpi.dtsi"
|
||||
+#include "bcm283x-rpi-usb-host.dtsi"
|
||||
+
|
||||
+/ {
|
||||
+ compatible = "raspberrypi,3-model-a-plus", "brcm,bcm2837";
|
||||
+ model = "Raspberry Pi 3 Model A+";
|
||||
+
|
||||
+ chosen {
|
||||
+ /* 8250 auxiliary UART instead of pl011 */
|
||||
+ stdout-path = "serial1:115200n8";
|
||||
+ };
|
||||
+
|
||||
+ memory {
|
||||
+ reg = <0 0x20000000>;
|
||||
+ };
|
||||
+
|
||||
+ leds {
|
||||
+ act {
|
||||
+ gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
|
||||
+ };
|
||||
+
|
||||
+ pwr {
|
||||
+ label = "PWR";
|
||||
+ gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
|
||||
+ };
|
||||
+ };
|
||||
+
|
||||
+ wifi_pwrseq: wifi-pwrseq {
|
||||
+ compatible = "mmc-pwrseq-simple";
|
||||
+ reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
|
||||
+ };
|
||||
+};
|
||||
+
|
||||
+&firmware {
|
||||
+ expgpio: gpio {
|
||||
+ compatible = "raspberrypi,firmware-gpio";
|
||||
+ gpio-controller;
|
||||
+ #gpio-cells = <2>;
|
||||
+ gpio-line-names = "BT_ON",
|
||||
+ "WL_ON",
|
||||
+ "STATUS_LED",
|
||||
+ "",
|
||||
+ "",
|
||||
+ "CAM_GPIO0",
|
||||
+ "CAM_GPIO1",
|
||||
+ "";
|
||||
+ status = "okay";
|
||||
+ };
|
||||
+};
|
||||
+
|
||||
+&hdmi {
|
||||
+ hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
|
||||
+};
|
||||
+
|
||||
+&pwm {
|
||||
+ pinctrl-names = "default";
|
||||
+ pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
|
||||
+ 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";
|
||||
+ pinctrl-0 = <&sdhost_gpio48>;
|
||||
+ status = "okay";
|
||||
+ bus-width = <4>;
|
||||
+};
|
||||
+
|
||||
+/* uart0 communicates with the BT module */
|
||||
+&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 */
|
||||
+&uart1 {
|
||||
+ pinctrl-names = "default";
|
||||
+ pinctrl-0 = <&uart1_gpio14>;
|
||||
+ status = "okay";
|
||||
+};
|
||||
|
||||
From patchwork Tue Dec 4 18:58:19 2018
|
||||
Content-Type: text/plain; charset="utf-8"
|
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MIME-Version: 1.0
|
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X-Patchwork-Submitter: Stefan Wahren <stefan.wahren@i2se.com>
|
||||
X-Patchwork-Id: 10712427
|
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id 1MFJfN-1gjyQ33mR7-00FlVP; Tue, 04 Dec 2018 19:58:55 +0100
|
||||
From: Stefan Wahren <stefan.wahren@i2se.com>
|
||||
To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
|
||||
Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>,
|
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Scott Branden <sbranden@broadcom.com>, Eric Anholt <eric@anholt.net>,
|
||||
Arnd Bergmann <arnd@arndb.de>
|
||||
Subject: [PATCH V3 3/3] arm64: dts: broadcom: Add reference to RPi 3 A+
|
||||
Date: Tue, 4 Dec 2018 19:58:19 +0100
|
||||
Message-Id: <1543949899-13380-4-git-send-email-stefan.wahren@i2se.com>
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References: <1543949899-13380-1-git-send-email-stefan.wahren@i2se.com>
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|
||||
Cc: Stefan Wahren <stefan.wahren@i2se.com>, devicetree@vger.kernel.org,
|
||||
bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org,
|
||||
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|
||||
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|
||||
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|
||||
|
||||
This adds a reference to the dts of the Raspberry Pi 3 A+,
|
||||
so we don't need to maintain the content in arm64.
|
||||
|
||||
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
|
||||
Reviewed-by: Eric Anholt <eric@anholt.net>
|
||||
---
|
||||
arch/arm64/boot/dts/broadcom/Makefile | 3 ++-
|
||||
arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts | 2 ++
|
||||
2 files changed, 4 insertions(+), 1 deletion(-)
|
||||
create mode 100644 arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts
|
||||
|
||||
diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
|
||||
index 667ca98..d1d31cc 100644
|
||||
--- a/arch/arm64/boot/dts/broadcom/Makefile
|
||||
+++ b/arch/arm64/boot/dts/broadcom/Makefile
|
||||
@@ -1,5 +1,6 @@
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
-dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb \
|
||||
+dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-a-plus.dtb \
|
||||
+ bcm2837-rpi-3-b.dtb \
|
||||
bcm2837-rpi-3-b-plus.dtb \
|
||||
bcm2837-rpi-cm3-io3.dtb
|
||||
|
||||
diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts
|
||||
new file mode 100644
|
||||
index 0000000..f0ec56a
|
||||
--- /dev/null
|
||||
+++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-a-plus.dts
|
||||
@@ -0,0 +1,2 @@
|
||||
+// SPDX-License-Identifier: GPL-2.0
|
||||
+#include "arm/bcm2837-rpi-3-a-plus.dts"
|
||||
|
|
@ -587,6 +587,9 @@ Patch332: raspberrypi-Fix-firmware-calls-with-large-buffers.patch
|
|||
# Improve raspberry pi camera and analog audio
|
||||
Patch333: bcm2835-vc04_services-Improve-driver-load-unload.patch
|
||||
|
||||
# Initall support for the 3A+
|
||||
Patch334: bcm2837-dts-add-Raspberry-Pi-3-A.patch
|
||||
|
||||
# Patches enabling device specific brcm firmware nvram
|
||||
# https://www.spinics.net/lists/linux-wireless/msg178827.html
|
||||
Patch340: brcmfmac-Remove-firmware-loading-code-duplication.patch
|
||||
|
|
@ -1887,6 +1890,9 @@ fi
|
|||
#
|
||||
#
|
||||
%changelog
|
||||
* Wed Dec 19 2018 Peter Robinson <pbrobinson@fedoraproject.org>
|
||||
- Initial support for Raspberry Pi model 3A+
|
||||
|
||||
* Tue Dec 18 2018 Justin M. Forbes <jforbes@fedoraproject.org> - 4.20.0-0.rc7.git1.1
|
||||
- Linux v4.20-rc7-6-gddfbab46539f
|
||||
- Reenable debugging options.
|
||||
|
|
|
|||
Loading…
Reference in New Issue