[arm] Backport DTB support for Rasperry Pi Compute Module 3.
Signed-off-by: Cyril Brulebois <cyril@debamax.com> (cherry picked from commit 64801af590540b4494f408b95a31fbe07963784d)
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parent
57f74f6573
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@ -11,6 +11,9 @@ linux (4.19.67-2) UNRELEASED; urgency=medium
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* netfilter: conntrack: Use consistent ct id hash calculation
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* netfilter: conntrack: Use consistent ct id hash calculation
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(fixes regression in 4.19.44)
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(fixes regression in 4.19.44)
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[ Cyril Brulebois ]
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* [arm] Backport DTB support for Rasperry Pi Compute Module 3.
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-- Ben Hutchings <ben@decadent.org.uk> Wed, 21 Aug 2019 23:37:56 +0100
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-- Ben Hutchings <ben@decadent.org.uk> Wed, 21 Aug 2019 23:37:56 +0100
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linux (4.19.67-1) buster; urgency=medium
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linux (4.19.67-1) buster; urgency=medium
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185
debian/patches/features/arm/ARM-dts-add-Raspberry-Pi-Compute-Module-3-and-IO-boa.patch
vendored
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185
debian/patches/features/arm/ARM-dts-add-Raspberry-Pi-Compute-Module-3-and-IO-boa.patch
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@ -0,0 +1,185 @@
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From: Stefan Wahren <stefan.wahren@i2se.com>
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Date: Mon, 27 Aug 2018 19:31:17 +0200
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Subject: ARM: dts: add Raspberry Pi Compute Module 3 and IO board
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Origin: https://git.kernel.org/linus/a54fe8a6cf66828499b121c3c39c194b43b8ed94
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The Raspberry Pi Compute Module 3 (CM3) and the Raspberry Pi
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Compute Module 3 Lite (CM3L) are SoMs which contains a BCM2837 processor,
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1 GB RAM and a GPIO expander. The CM3 has a 4 GB eMMC, but on the CM3L
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the eMMC is unpopulated and it's up to the user to connect their
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own SD/MMC device. The dtsi file is designed to work for both modules.
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There is also a matching carrier board which is called
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Compute Module IO Board V3.
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Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts | 87 +++++++++++++++++++++++++++++++
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arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi | 52 ++++++++++++++++++
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3 files changed, 140 insertions(+)
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create mode 100644 arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts
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create mode 100644 arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
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diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
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index b5bd3de87c33..35c749fe22eb 100644
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -81,6 +81,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
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bcm2836-rpi-2-b.dtb \
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bcm2837-rpi-3-b.dtb \
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bcm2837-rpi-3-b-plus.dtb \
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+ bcm2837-rpi-cm3-io3.dtb \
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bcm2835-rpi-zero.dtb \
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bcm2835-rpi-zero-w.dtb
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dtb-$(CONFIG_ARCH_BCM_5301X) += \
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diff --git a/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts b/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts
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new file mode 100644
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index 000000000000..6c8233a36d86
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--- /dev/null
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+++ b/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts
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@@ -0,0 +1,87 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/dts-v1/;
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+#include "bcm2837-rpi-cm3.dtsi"
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+#include "bcm283x-rpi-usb-host.dtsi"
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+
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+/ {
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+ compatible = "raspberrypi,3-compute-module", "brcm,bcm2837";
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+ model = "Raspberry Pi Compute Module 3 IO board V3.0";
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+};
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+
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+&gpio {
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+ /*
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+ * This is based on the official GPU firmware DT blob.
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+ *
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+ * Legend:
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+ * "NC" = not connected (no rail from the SoC)
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+ * "FOO" = GPIO line named "FOO" on the schematic
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+ * "FOO_N" = GPIO line named "FOO" on schematic, active low
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+ */
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+ gpio-line-names = "GPIO0",
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+ "GPIO1",
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+ "GPIO2",
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+ "GPIO3",
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+ "GPIO4",
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+ "GPIO5",
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+ "GPIO6",
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+ "GPIO7",
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+ "GPIO8",
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+ "GPIO9",
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+ "GPIO10",
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+ "GPIO11",
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+ "GPIO12",
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+ "GPIO13",
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+ "GPIO14",
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+ "GPIO15",
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+ "GPIO16",
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+ "GPIO17",
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+ "GPIO18",
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+ "GPIO19",
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+ "GPIO20",
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+ "GPIO21",
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+ "GPIO22",
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+ "GPIO23",
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+ "GPIO24",
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+ "GPIO25",
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+ "GPIO26",
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+ "GPIO27",
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+ "GPIO28",
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+ "GPIO29",
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+ "GPIO30",
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+ "GPIO31",
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+ "GPIO32",
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+ "GPIO33",
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+ "GPIO34",
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+ "GPIO35",
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+ "GPIO36",
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+ "GPIO37",
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+ "GPIO38",
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+ "GPIO39",
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+ "GPIO40",
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+ "GPIO41",
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+ "GPIO42",
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+ "GPIO43",
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+ "GPIO44",
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+ "GPIO45",
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+ "GPIO46",
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+ "GPIO47",
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+ /* Used by eMMC */
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+ "SD_CLK_R",
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+ "SD_CMD_R",
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+ "SD_DATA0_R",
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+ "SD_DATA1_R",
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+ "SD_DATA2_R",
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+ "SD_DATA3_R";
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+
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+ pinctrl-0 = <&gpioout &alt0>;
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+};
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+
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+&hdmi {
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+ hpd-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
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+};
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+
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+&uart0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0_gpio14>;
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+ status = "okay";
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+};
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diff --git a/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi b/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
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new file mode 100644
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index 000000000000..7b7ab6aea988
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--- /dev/null
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+++ b/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
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@@ -0,0 +1,52 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/dts-v1/;
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+#include "bcm2837.dtsi"
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+#include "bcm2835-rpi.dtsi"
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+
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+/ {
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+ memory {
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+ reg = <0 0x40000000>;
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+ };
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+
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+ reg_3v3: fixed-regulator {
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+ compatible = "regulator-fixed";
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+ regulator-name = "3V3";
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+ regulator-min-microvolt = <3300000>;
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+ regulator-max-microvolt = <3300000>;
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+ regulator-always-on;
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+ };
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+
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+ reg_1v8: fixed-regulator {
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+ compatible = "regulator-fixed";
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+ regulator-name = "1V8";
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <1800000>;
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+ regulator-always-on;
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+ };
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+};
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+
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+&firmware {
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+ expgpio: gpio {
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+ compatible = "raspberrypi,firmware-gpio";
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+ gpio-controller;
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+ #gpio-cells = <2>;
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+ gpio-line-names = "HDMI_HPD_N",
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+ "EMMC_EN_N",
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+ "NC",
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+ "NC",
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+ "NC",
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+ "NC",
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+ "NC",
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+ "NC";
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+ status = "okay";
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+ };
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+};
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+
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+&sdhost {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdhost_gpio48>;
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+ bus-width = <4>;
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+ vmmc-supply = <®_3v3>;
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+ vqmmc-supply = <®_1v8>;
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+ status = "okay";
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+};
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@ -248,5 +248,8 @@ bugfix/arm64/huawei-taishan/0031-RDMA-hns-RDMA-hns-Assign-rq-head-pointer-when-e
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bugfix/arm64/huawei-taishan/0032-scsi-hisi_sas-Fix-NULL-pointer-dereference.patch
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bugfix/arm64/huawei-taishan/0032-scsi-hisi_sas-Fix-NULL-pointer-dereference.patch
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bugfix/arm64/huawei-taishan/0033-scsi-hisi_sas-fix-calls-to-dma_set_mask_and_coherent.patch
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bugfix/arm64/huawei-taishan/0033-scsi-hisi_sas-fix-calls-to-dma_set_mask_and_coherent.patch
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# Backported DTB support for Raspberry Pi Compute Module 3 from 4.20-rc1:
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features/arm/ARM-dts-add-Raspberry-Pi-Compute-Module-3-and-IO-boa.patch
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# ABI maintenance
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# ABI maintenance
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debian/abi/powerpc-avoid-abi-change-for-disabling-tm.patch
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debian/abi/powerpc-avoid-abi-change-for-disabling-tm.patch
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