Re: [PATCH v7 4/4] arm64: dts: Add Caninos Loucos Labrador v3
From: Manivannan Sadhasivam <hidden>
Date: 2020-09-22 06:15:08
Also in:
linux-devicetree, lkml
Hi, On Mon, Sep 21, 2020 at 11:43:02PM -0300, Matheus Castello wrote:
quoted hunk ↗ jump to hunk
Add Device Trees for Caninos Loucos Labrador CoM Core v3 and base board M v2. Based on the work of Andreas Färber on Cubieboard 7 device tree. Signed-off-by: Matheus Castello <matheus@castello.eng.br> --- arch/arm64/boot/dts/actions/Makefile | 2 + .../dts/actions/s700-labrador-base-m2.dts | 34 +++++ .../boot/dts/actions/s700-labrador-v3.dtsi | 122 ++++++++++++++++++ 3 files changed, 158 insertions(+) create mode 100644 arch/arm64/boot/dts/actions/s700-labrador-base-m2.dts create mode 100644 arch/arm64/boot/dts/actions/s700-labrador-v3.dtsidiff --git a/arch/arm64/boot/dts/actions/Makefile b/arch/arm64/boot/dts/actions/Makefile index b57fd2372ecd..3765697fa91e 100644 --- a/arch/arm64/boot/dts/actions/Makefile +++ b/arch/arm64/boot/dts/actions/Makefile@@ -2,4 +2,6 @@ dtb-$(CONFIG_ARCH_ACTIONS) += s700-cubieboard7.dtb +dtb-$(CONFIG_ARCH_ACTIONS) += s700-labrador-base-m2.dtb + dtb-$(CONFIG_ARCH_ACTIONS) += s900-bubblegum-96.dtbdiff --git a/arch/arm64/boot/dts/actions/s700-labrador-base-m2.dts b/arch/arm64/boot/dts/actions/s700-labrador-base-m2.dts new file mode 100644 index 000000000000..63bbca46475b --- /dev/null +++ b/arch/arm64/boot/dts/actions/s700-labrador-base-m2.dts@@ -0,0 +1,34 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Matheus Castello + */ + +/dts-v1/; + +#include "s700-labrador-v3.dtsi" + +/ { + compatible = "caninos,labrador-base-m2", + "caninos,labrador-v3", "actions,s700"; + model = "Caninos Labrador Core v3 on Labrador Base-M v2"; + + aliases { + serial3 = &uart3; + }; + + chosen { + stdout-path = "serial3:115200n8"; + }; +}; + +&uart3 { + status = "okay";
No fixed clock?
quoted hunk ↗ jump to hunk
+}; + +&i2c0 { + status = "okay"; +}; + +&i2c1 { + status = "okay"; +};diff --git a/arch/arm64/boot/dts/actions/s700-labrador-v3.dtsi b/arch/arm64/boot/dts/actions/s700-labrador-v3.dtsi new file mode 100644 index 000000000000..91addba6382b --- /dev/null +++ b/arch/arm64/boot/dts/actions/s700-labrador-v3.dtsi@@ -0,0 +1,122 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Matheus Castello + */ + +#include "s700.dtsi" + +/ { + compatible = "caninos,labrador-v3", "actions,s700"; + model = "Caninos Labrador Core v3.1"; + + memory@0 { + device_type = "memory"; + reg = <0x0 0x0 0x0 0x80000000>; + }; + + memory@1,e0000000 { + device_type = "memory"; + reg = <0x1 0xe0000000 0x0 0x0>; + }; +
What is the size of this memory? The datasheet says only 512MB Max.
+ /* Labrador v3 firmware does not support PSCI */
Oops. This is unfortunate... I'm not sure if this is even acceptable for ARM64 machines. Let me add Olof and Arnd... Thanks, Mani
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x0>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0 0x1f000020>;
+ next-level-cache = <&L2>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x1>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0 0x1f000020>;
+ next-level-cache = <&L2>;
+ };
+
+ cpu2: cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x2>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0 0x1f000020>;
+ next-level-cache = <&L2>;
+ };
+
+ cpu3: cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x3>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0 0x1f000020>;
+ next-level-cache = <&L2>;
+ };
+ };
+
+ L2: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ };
+};
+
+&timer {
+ clocks = <&hosc>;
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_default>;
+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_default>;
+};
+
+&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_default>;
+};
+
+&pinctrl {
+ i2c0_default: i2c0_default {
+ pinmux {
+ groups = "i2c0_mfp";
+ function = "i2c0";
+ };
+ pinconf {
+ pins = "i2c0_sclk", "i2c0_sdata";
+ bias-pull-up;
+ };
+ };
+
+ i2c1_default: i2c1_default {
+ pinmux {
+ groups = "i2c1_dummy";
+ function = "i2c1";
+ };
+ pinconf {
+ pins = "i2c1_sclk", "i2c1_sdata";
+ bias-pull-up;
+ };
+ };
+
+ i2c2_default: i2c2_default {
+ pinmux {
+ groups = "i2c2_dummy";
+ function = "i2c2";
+ };
+ pinconf {
+ pins = "i2c2_sclk", "i2c2_sdata";
+ bias-pull-up;
+ };
+ };
+};
--
2.28.0_______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel