512 lines
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512 lines
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From patchwork Tue Dec 4 18:58:17 2018
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X-Patchwork-Submitter: Stefan Wahren <stefan.wahren@i2se.com>
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id 1MsJXG-1hMU9U03Ja-00tiwe; Tue, 04 Dec 2018 19:58:54 +0100
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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 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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Cc: Stefan Wahren <stefan.wahren@i2se.com>, devicetree@vger.kernel.org,
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bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org,
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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 patchwork Tue Dec 4 18:58:18 2018
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id 1MTfgb-1gvyxH1xQz-00TyQt; Tue, 04 Dec 2018 19:58:54 +0100
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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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Cc: Stefan Wahren <stefan.wahren@i2se.com>, devicetree@vger.kernel.org,
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The Raspberry Pi 3 A+ is similar to the Pi 3 B+ but has only 512 MB RAM,
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1 USB 2.0 port and no Ethernet.
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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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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts | 107 +++++++++++++++++++++++++++++
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2 files changed, 108 insertions(+)
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|
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
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id 1MFJfN-1gjyQ33mR7-00FlVP; Tue, 04 Dec 2018 19:58:55 +0100
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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 3/3] arm64: dts: broadcom: Add reference to RPi 3 A+
|
|
Date: Tue, 4 Dec 2018 19:58:19 +0100
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Message-Id: <1543949899-13380-4-git-send-email-stefan.wahren@i2se.com>
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Cc: Stefan Wahren <stefan.wahren@i2se.com>, devicetree@vger.kernel.org,
|
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bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org,
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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"
|