diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0583-arm-dts-First-draft-of-upstream-Pi4-DTS.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0583-arm-dts-First-draft-of-upstream-Pi4-DTS.patch | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0583-arm-dts-First-draft-of-upstream-Pi4-DTS.patch b/target/linux/bcm27xx/patches-4.19/950-0583-arm-dts-First-draft-of-upstream-Pi4-DTS.patch deleted file mode 100644 index 0fa4cf338d..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0583-arm-dts-First-draft-of-upstream-Pi4-DTS.patch +++ /dev/null @@ -1,176 +0,0 @@ -From 5216bb8a1257a8216362affe4757a96a36b60b32 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Tue, 11 Jun 2019 18:08:05 +0100 -Subject: [PATCH] arm: dts: First draft of upstream Pi4 DTS - -I've attempted to follow the upstream conventions in the DT commits, -but this is just presented here initially as a talking point. - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - arch/arm/boot/dts/Makefile | 1 + - arch/arm/boot/dts/bcm2838-rpi-4-b.dts | 118 ++++++++++++++++++++++++++ - arch/arm/boot/dts/bcm2838-rpi.dtsi | 25 ++++++ - 3 files changed, 144 insertions(+) - create mode 100644 arch/arm/boot/dts/bcm2838-rpi-4-b.dts - create mode 100644 arch/arm/boot/dts/bcm2838-rpi.dtsi - ---- a/arch/arm/boot/dts/Makefile -+++ b/arch/arm/boot/dts/Makefile -@@ -94,6 +94,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ - bcm2836-rpi-2-b.dtb \ - bcm2837-rpi-3-b.dtb \ - bcm2837-rpi-3-b-plus.dtb \ -+ bcm2838-rpi-4-b.dtb \ - bcm2835-rpi-zero.dtb \ - bcm2835-rpi-zero-w.dtb - dtb-$(CONFIG_ARCH_BCM_5301X) += \ ---- /dev/null -+++ b/arch/arm/boot/dts/bcm2838-rpi-4-b.dts -@@ -0,0 +1,118 @@ -+// SPDX-License-Identifier: GPL-2.0 -+/dts-v1/; -+#include "bcm2838.dtsi" -+#include "bcm2835-rpi.dtsi" -+#include "bcm2838-rpi.dtsi" -+ -+/ { -+ compatible = "raspberrypi,4-model-b", "brcm,bcm2838"; -+ model = "Raspberry Pi 4 Model B"; -+ -+ chosen { -+ /* 8250 auxiliary UART instead of pl011 */ -+ stdout-path = "serial1:115200n8"; -+ }; -+ -+ memory { -+ reg = <0 0 0x40000000>; -+ }; -+ -+ leds { -+ act { -+ gpios = <&gpio 42 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>; -+ }; -+ -+ sd_io_1v8_reg: sd_io_1v8_reg { -+ status = "okay"; -+ compatible = "regulator-gpio"; -+ vin-supply = <&vdd_5v0_reg>; -+ regulator-name = "vdd-sd-io"; -+ regulator-min-microvolt = <1800000>; -+ regulator-max-microvolt = <3300000>; -+ regulator-boot-on; -+ regulator-always-on; -+ regulator-settling-time-us = <5000>; -+ -+ gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>; -+ states = <1800000 0x1 -+ 3300000 0x0>; -+ }; -+}; -+ -+&firmware { -+ expgpio: gpio { -+ compatible = "raspberrypi,firmware-gpio"; -+ gpio-controller; -+ #gpio-cells = <2>; -+ gpio-line-names = "BT_ON", -+ "WL_ON", -+ "PWR_LED_OFF", -+ "GLOBAL_RESET", -+ "VDD_SD_IO_SEL", -+ "CAM_GPIO", -+ "", -+ ""; -+ status = "okay"; -+ }; -+}; -+ -+&pwm1 { -+ 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"; -+ }; -+}; -+ -+/* EMMC2 is used to drive the SD card */ -+&emmc2 { -+ status = "okay"; -+ broken-cd; -+ vqmmc-supply = <&sd_io_1v8_reg>; -+}; -+ -+/* 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"; -+}; ---- /dev/null -+++ b/arch/arm/boot/dts/bcm2838-rpi.dtsi -@@ -0,0 +1,25 @@ -+// SPDX-License-Identifier: GPL-2.0 -+ -+/ { -+ soc { -+ /delete-node/ mailbox@7e00b840; -+ }; -+}; -+ -+&scb { -+ vchiq: mailbox@7e00b840 { -+ compatible = "brcm,bcm2838-vchiq"; -+ reg = <0 0x7e00b840 0x3c>; -+ interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; -+ }; -+}; -+ -+&dma { -+ /* The VPU firmware uses DMA channel 11 for VCHIQ */ -+ brcm,dma-channel-mask = <0x1f5>; -+}; -+ -+&dma40 { -+ /* The VPU firmware DMA channel 11 for VCHIQ */ -+ brcm,dma-channel-mask = <0x7000>; -+}; |