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authorChanho Park <[email protected]>2021-10-12 09:23:14 +0900
committerKrzysztof Kozlowski <[email protected]>2021-10-12 14:20:57 +0200
commit2b663ae7152f785732d35ce38ad20ad10aca3116 (patch)
tree19e5315986e14a147976fcf4de6cd298c79e56b9
parent31bbac5263aa63dfc8bfed2180bb6a5a3c531681 (diff)
arm64: dts: exynos: add minimal support for exynosautov9 sadk board
SADK(Samsung Automotive Development Kit) is the development kit to evaluate Exynos Auto v9 SoC. It has 16GB LPDDR4 DRAM and two 256GB Samsung UFS. This patch enables only serial console and ufs0 device. Signed-off-by: Chanho Park <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Krzysztof Kozlowski <[email protected]>
-rw-r--r--Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml6
-rw-r--r--arch/arm64/boot/dts/exynos/Makefile3
-rw-r--r--arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts56
3 files changed, 64 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
index 0796f0c87727..ef6dc14be4b5 100644
--- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
+++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
@@ -199,6 +199,12 @@ properties:
- samsung,exynos7-espresso # Samsung Exynos7 Espresso
- const: samsung,exynos7
+ - description: Exynos Auto v9 based boards
+ items:
+ - enum:
+ - samsung,exynosautov9-sadk # Samsung Exynos Auto v9 SADK
+ - const: samsung,exynosautov9
+
required:
- compatible
diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
index e0a2facde6a2..b41e86df0a84 100644
--- a/arch/arm64/boot/dts/exynos/Makefile
+++ b/arch/arm64/boot/dts/exynos/Makefile
@@ -2,4 +2,5 @@
dtb-$(CONFIG_ARCH_EXYNOS) += \
exynos5433-tm2.dtb \
exynos5433-tm2e.dtb \
- exynos7-espresso.dtb
+ exynos7-espresso.dtb \
+ exynosautov9-sadk.dtb
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
new file mode 100644
index 000000000000..ef46d7aa6e28
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Samsung ExynosAutov9 SADK board device tree source
+ *
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ *
+ */
+
+/dts-v1/;
+#include "exynosautov9.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ model = "Samsung ExynosAuto v9 SADK board";
+ compatible = "samsung,exynosautov9-sadk", "samsung,exynosautov9";
+
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ aliases {
+ serial0 = &serial_0;
+ };
+
+ chosen {
+ stdout-path = &serial_0;
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x0 0x77000000>,
+ <0x8 0x80000000 0x1 0x7ba00000>,
+ <0xa 0x00000000 0x2 0x00000000>;
+ };
+
+ ufs_0_fixed_vcc_reg: regulator-0 {
+ compatible = "regulator-fixed";
+ regulator-name = "ufs-vcc";
+ gpio = <&gpq0 1 GPIO_ACTIVE_HIGH>;
+ regulator-boot-on;
+ enable-active-high;
+ };
+};
+
+&serial_0 {
+ status = "okay";
+};
+
+&ufs_0_phy {
+ status = "okay";
+};
+
+&ufs_0 {
+ status = "okay";
+ vcc-supply = <&ufs_0_fixed_vcc_reg>;
+ vcc-fixed-regulator;
+};