diff options
Diffstat (limited to 'debian/patches/features/arm/ARM-dts-add-Raspberry-Pi-3-A-Plus.patch')
| -rw-r--r-- | debian/patches/features/arm/ARM-dts-add-Raspberry-Pi-3-A-Plus.patch | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/debian/patches/features/arm/ARM-dts-add-Raspberry-Pi-3-A-Plus.patch b/debian/patches/features/arm/ARM-dts-add-Raspberry-Pi-3-A-Plus.patch new file mode 100644 index 000000000..45f7696da --- /dev/null +++ b/debian/patches/features/arm/ARM-dts-add-Raspberry-Pi-3-A-Plus.patch @@ -0,0 +1,211 @@ +From: Stefan Wahren <stefan.wahren@i2se.com> +Date: Fri, 28 Dec 2018 23:09:26 +0100 +Subject: ARM: dts: add Raspberry Pi 3 A+ +Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=bd80be88e05792db948bf3567a216743fdea5027 + +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. + +Compared to the Raspberry Pi 3 B it isn't possible to control BT_ON and +WL_ON separately. + +Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> +Acked-by: Eric Anholt <eric@anholt.net> +--- + arch/arm/boot/dts/Makefile | 1 + + arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts | 175 +++++++++++++++++++++ + 2 files changed, 176 insertions(+) + create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts + +Index: debian-kernel/arch/arm/boot/dts/Makefile +=================================================================== +--- debian-kernel.orig/arch/arm/boot/dts/Makefile ++++ debian-kernel/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 \ +Index: debian-kernel/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts +=================================================================== +--- /dev/null ++++ debian-kernel/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts +@@ -0,0 +1,175 @@ ++// 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>; ++ }; ++ }; ++}; ++ ++&firmware { ++ expgpio: gpio { ++ compatible = "raspberrypi,firmware-gpio"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ gpio-line-names = "", ++ "BT_WL_ON", ++ "STATUS_LED_R", ++ "", ++ "", ++ "CAM_GPIO0", ++ "CAM_GPIO1", ++ ""; ++ status = "okay"; ++ }; ++}; ++ ++&gpio { ++ /* ++ * This is mostly based on the official GPU firmware DT blob. ++ * ++ * Legend: ++ * "NC" = not connected (no rail from the SoC) ++ * "FOO" = GPIO line named "FOO" on the schematic ++ * "FOO_N" = GPIO line named "FOO" on schematic, active low ++ */ ++ gpio-line-names = "ID_SDA", ++ "ID_SCL", ++ "SDA1", ++ "SCL1", ++ "GPIO_GCLK", ++ "GPIO5", ++ "GPIO6", ++ "SPI_CE1_N", ++ "SPI_CE0_N", ++ "SPI_MISO", ++ "SPI_MOSI", ++ "SPI_SCLK", ++ "GPIO12", ++ "GPIO13", ++ /* Serial port */ ++ "TXD1", ++ "RXD1", ++ "GPIO16", ++ "GPIO17", ++ "GPIO18", ++ "GPIO19", ++ "GPIO20", ++ "GPIO21", ++ "GPIO22", ++ "GPIO23", ++ "GPIO24", ++ "GPIO25", ++ "GPIO26", ++ "GPIO27", ++ "HDMI_HPD_N", ++ "STATUS_LED_G", ++ /* Used by BT module */ ++ "CTS0", ++ "RTS0", ++ "TXD0", ++ "RXD0", ++ /* Used by Wifi */ ++ "SD1_CLK", ++ "SD1_CMD", ++ "SD1_DATA0", ++ "SD1_DATA1", ++ "SD1_DATA2", ++ "SD1_DATA3", ++ "PWM0_OUT", ++ "PWM1_OUT", ++ "", /* GPIO42 */ ++ "WIFI_CLK", ++ "SDA0", ++ "SCL0", ++ "SMPS_SCL", ++ "SMPS_SDA", ++ /* Used by SD Card */ ++ "SD_CLK_R", ++ "SD_CMD_R", ++ "SD_DATA0_R", ++ "SD_DATA1_R", ++ "SD_DATA2_R", ++ "SD_DATA3_R"; ++}; ++ ++&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 ++ * ++ * 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"; ++ 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>; ++ }; ++}; ++ ++/* uart1 is mapped to the pin header */ ++&uart1 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&uart1_gpio14>; ++ status = "okay"; ++}; |