Re: [PATCH v10 2/3] arm64: dts: add dts nodes for MT6779
From: Matthias Brugger
Date: Fri Oct 09 2020 - 08:30:41 EST
On 30/07/2020 15:30, Hanks Chen wrote:
this adds initial MT6779 dts settings for board support,
including cpu, gic, timer, ccf, pinctrl, uart, sysirq...etc.
Signed-off-by: Hanks Chen <hanks.chen@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/Makefile | 1 +
arch/arm64/boot/dts/mediatek/mt6779-evb.dts | 31 +++
arch/arm64/boot/dts/mediatek/mt6779.dtsi | 271 ++++++++++++++++++++
3 files changed, 303 insertions(+)
create mode 100644 arch/arm64/boot/dts/mediatek/mt6779-evb.dts
create mode 100644 arch/arm64/boot/dts/mediatek/mt6779.dtsi
diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index a57af9da9f5c..4d1b0f9d8d1c 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt6779-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt6779-evb.dts b/arch/arm64/boot/dts/mediatek/mt6779-evb.dts
new file mode 100644
index 000000000000..164f5cbb3821
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6779-evb.dts
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Mars.C <mars.cheng@xxxxxxxxxxxx>
+ *
+ */
+
+/dts-v1/;
+#include "mt6779.dtsi"
+
+/ {
+ model = "MediaTek MT6779 EVB";
+ compatible = "mediatek,mt6779-evb", "mediatek,mt6779";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0 0x40000000 0 0x1e800000>;
+ };
+
+ chosen {
+ stdout-path = "serial0:921600n8";
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt6779.dtsi b/arch/arm64/boot/dts/mediatek/mt6779.dtsi
new file mode 100644
index 000000000000..370f309d32de
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6779.dtsi
@@ -0,0 +1,271 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Mars.C <mars.cheng@xxxxxxxxxxxx>
+ *
+ */
+
+#include <dt-bindings/clock/mt6779-clk.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/pinctrl/mt6779-pinfunc.h>
+
+/ {
+ compatible = "mediatek,mt6779";
+ interrupt-parent = <&sysirq>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ psci {
+ compatible = "arm,psci-0.2";
+ method = "smc";
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ enable-method = "psci";
+ reg = <0x000>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ enable-method = "psci";
+ reg = <0x100>;
+ };
+
+ cpu2: cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ enable-method = "psci";
+ reg = <0x200>;
+ };
+
+ cpu3: cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ enable-method = "psci";
+ reg = <0x300>;
+ };
+
+ cpu4: cpu@4 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ enable-method = "psci";
+ reg = <0x400>;
+ };
+
+ cpu5: cpu@5 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ enable-method = "psci";
+ reg = <0x500>;
+ };
+
+ cpu6: cpu@6 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ enable-method = "psci";
+ reg = <0x600>;
+ };
+
+ cpu7: cpu@7 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ enable-method = "psci";
+ reg = <0x700>;
+ };
+ };
+
+ pmu {
+ compatible = "arm,armv8-pmuv3";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW 0>;
+ };
+
+ clk26m: oscillator@0 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ clock-output-names = "clk26m";
+ };
+
+ clk32k: oscillator@1 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ clock-output-names = "clk32k";
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW 0>,
+ <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW 0>,
+ <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW 0>,
+ <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
+ };
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "simple-bus";
+ ranges;
+
+ gic: interrupt-controller@0c000000 {
+ compatible = "arm,gic-v3";
+ #interrupt-cells = <4>;
+ interrupt-parent = <&gic>;
+ interrupt-controller;
+ reg = <0 0x0c000000 0 0x40000>, /* GICD */
+ <0 0x0c040000 0 0x200000>; /* GICR */
+ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;
+
+ ppi-partitions {
+ ppi_cluster0: interrupt-partition-0 {
+ affinity = <&cpu0 &cpu1 \
+ &cpu2 &cpu3 &cpu4 &cpu5>;
+ };
+ ppi_cluster1: interrupt-partition-1 {
+ affinity = <&cpu6 &cpu7>;
+ };
+ };
+
+ };
+
+ sysirq: intpol-controller@0c53a650 {
+ compatible = "mediatek,mt6779-sysirq",
+ "mediatek,mt6577-sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0 0x0c53a650 0 0x50>;
This looks a bit suspicious to me. Unfortunately I'm not able to find any
reference in the datasheets.
Anyway, patch now applied to v5.10-tmp/dts64
Thanks!
Matthias
+ };
+
+ topckgen: clock-controller@10000000 {
+ compatible = "mediatek,mt6779-topckgen", "syscon";
+ reg = <0 0x10000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ infracfg_ao: clock-controller@10001000 {
+ compatible = "mediatek,mt6779-infracfg_ao", "syscon";
+ reg = <0 0x10001000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ pio: pinctrl@10005000 {
+ compatible = "mediatek,mt6779-pinctrl", "syscon";
+ reg = <0 0x10005000 0 0x1000>,
+ <0 0x11c20000 0 0x1000>,
+ <0 0x11d10000 0 0x1000>,
+ <0 0x11e20000 0 0x1000>,
+ <0 0x11e70000 0 0x1000>,
+ <0 0x11ea0000 0 0x1000>,
+ <0 0x11f20000 0 0x1000>,
+ <0 0x11f30000 0 0x1000>,
+ <0 0x1000b000 0 0x1000>;
+ reg-names = "gpio", "iocfg_rm",
+ "iocfg_br", "iocfg_lm",
+ "iocfg_lb", "iocfg_rt",
+ "iocfg_lt", "iocfg_tl",
+ "eint";
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&pio 0 0 210>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ apmixed: clock-controller@1000c000 {
+ compatible = "mediatek,mt6779-apmixed", "syscon";
+ reg = <0 0x1000c000 0 0xe00>;
+ #clock-cells = <1>;
+ };
+
+ uart0: serial@11002000 {
+ compatible = "mediatek,mt6779-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11002000 0 0x400>;
+ interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART0>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+
+ uart1: serial@11003000 {
+ compatible = "mediatek,mt6779-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11003000 0 0x400>;
+ interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART1>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+
+ uart2: serial@11004000 {
+ compatible = "mediatek,mt6779-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11004000 0 0x400>;
+ interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART2>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+
+ audio: clock-controller@11210000 {
+ compatible = "mediatek,mt6779-audio", "syscon";
+ reg = <0 0x11210000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ mfgcfg: clock-controller@13fbf000 {
+ compatible = "mediatek,mt6779-mfgcfg", "syscon";
+ reg = <0 0x13fbf000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ mmsys: syscon@14000000 {
+ compatible = "mediatek,mt6779-mmsys", "syscon";
+ reg = <0 0x14000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ imgsys: clock-controller@15020000 {
+ compatible = "mediatek,mt6779-imgsys", "syscon";
+ reg = <0 0x15020000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ vdecsys: clock-controller@16000000 {
+ compatible = "mediatek,mt6779-vdecsys", "syscon";
+ reg = <0 0x16000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ vencsys: clock-controller@17000000 {
+ compatible = "mediatek,mt6779-vencsys", "syscon";
+ reg = <0 0x17000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ camsys: clock-controller@1a000000 {
+ compatible = "mediatek,mt6779-camsys", "syscon";
+ reg = <0 0x1a000000 0 0x10000>;
+ #clock-cells = <1>;
+ };
+
+ ipesys: clock-controller@1b000000 {
+ compatible = "mediatek,mt6779-ipesys", "syscon";
+ reg = <0 0x1b000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ };
+};