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 <math...@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.dtsi

diff --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.dtb
diff --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";
+};
+
+&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>;
+       };
+
+       /* Labrador v3 firmware does not support PSCI */
+       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

Reply via email to