Re: [PATCH 10/10] arm64: dts: Add Mediatek SoC MT8195 and evaluation board dts and Makefile
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: 2021-03-18 02:59:00
Also in:
linux-devicetree, linux-iio, linux-mediatek, linux-mmc, linux-serial, linux-spi, linux-watchdog, lkml
On Tue, 2021-03-16 at 19:14 +0800, Seiya Wang wrote:
quoted hunk ↗ jump to hunk
Add basic chip support for Mediatek MT8195 Signed-off-by: Seiya Wang <redacted> --- arch/arm64/boot/dts/mediatek/Makefile | 1 + arch/arm64/boot/dts/mediatek/mt8195-evb.dts | 29 ++ arch/arm64/boot/dts/mediatek/mt8195.dtsi | 477 ++++++++++++++++++++++++++++ 3 files changed, 507 insertions(+) create mode 100644 arch/arm64/boot/dts/mediatek/mt8195-evb.dts create mode 100644 arch/arm64/boot/dts/mediatek/mt8195.dtsidiff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile index deba27ab7657..aee4b9715d2f 100644 --- a/arch/arm64/boot/dts/mediatek/Makefile +++ b/arch/arm64/boot/dts/mediatek/Makefile@@ -16,4 +16,5 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-evb.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku0.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku176.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-evb.dtb +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-evb.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtbdiff --git a/arch/arm64/boot/dts/mediatek/mt8195-evb.dts b/arch/arm64/boot/dts/mediatek/mt8195-evb.dts new file mode 100644 index 000000000000..82bb10e9a531 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt8195-evb.dts@@ -0,0 +1,29 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2021 MediaTek Inc. + * Author: Seiya Wang <seiya.wang@mediatek.com> + */ +/dts-v1/; +#include "mt8195.dtsi" + +/ { + model = "MediaTek MT8195 evaluation board"; + compatible = "mediatek,mt8195-evb", "mediatek,mt8195"; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:921600n8"; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0 0x40000000 0 0x80000000>; + }; +}; + +&uart0 { + status = "okay"; +};diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi new file mode 100644 index 000000000000..356583fe4f03 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi@@ -0,0 +1,477 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Seiya Wang <seiya.wang@mediatek.com> + */ + +/dts-v1/; + +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + compatible = "mediatek,mt8195"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + clocks { + clk26m: oscillator0 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <26000000>; + clock-output-names = "clk26m"; + }; + + clk32k: oscillator1 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + clock-output-names = "clk32k"; + }; + };
[...]
+
+ nor_flash: nor@1132c000 {
+ compatible = "mediatek,mt8195-nor", "mediatek,mt8173-nor";
+ reg = <0 0x1132c000 0 0x1000>;
+ interrupts = <GIC_SPI 825 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&clk26m>, <&clk26m>;
+ clock-names = "spi", "sf";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ u3phy2: usb-phy2@11c40000 {use t-phy instead of usb-phy2 It's better to run dtbs_check for this patch
+ compatible = "mediatek,mt8195-tphy", "mediatek,generic-tphy-v2"; + clocks = <&clk26m>; + clock-names = "u3phya_ref";
No need clocks for v2
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0x11c40000 0x700>;
+ status = "disabled";
+
+ u2port2: usb2-phy2@0 {use usb-phy instead of usb2-phy2
+ reg = <0x0 0x700>; + clocks = <&clk26m>; + clock-names = "ref"; + #phy-cells = <1>; + status = "disabled";
I think no need disable it it's parent node is already disabled. if enable parent node, we also want to enable all children at the same time.
+ };
+ };
+
+ u3phy3: usb-phy3@11c50000 {t-phy@...
+ compatible = "mediatek,mt8195-tphy", "mediatek,generic-tphy-v2"; + clocks = <&clk26m>; + clock-names = "u3phya_ref";
No need clocks
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0x11c50000 0x700>;
+ status = "disabled";
+
+ u2port3: usb2-phy3@0 {use usb-phy
+ reg = <0x0 0x700>; + clocks = <&clk26m>; + clock-names = "ref"; + #phy-cells = <1>; + status = "disabled";
remove status
+ };
+ };
+
+ u3phy1: usb-phy1@11e30000 {t-phy
+ compatible = "mediatek,mt8195-tphy", "mediatek,generic-tphy-v2"; + clocks = <&clk26m>; + clock-names = "u3phya_ref";
remove clocks*
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0x11e30000 0xe00>;
+ status = "disabled";
+
+ u2port1: usb2-phy1@0 {usb-phy
+ reg = <0x0 0x700>; + clocks = <&clk26m>; + clock-names = "ref"; + #phy-cells = <1>; + status = "disabled";
remove status
+ };
+
+ u3port1: usb3-phy1@700 {usb-phy
+ reg = <0x700 0x700>; + clocks = <&clk26m>; + clock-names = "ref"; + #phy-cells = <1>; + status = "disabled";
remove status
+ };
+ };
+
+ u3phy0: usb-phy0@11e40000 {t-phy
+ compatible = "mediatek,mt8195-tphy", "mediatek,generic-tphy-v2"; + clocks = <&clk26m>; + clock-names = "u3phya_ref";
remove clocks*
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0x11e40000 0xe00>;
+ status = "disabled";
+
+ u2port0: usb2-phy0@0 {usb-phy
+ reg = <0x0 0x700>; + clocks = <&clk26m>; + clock-names = "ref"; + #phy-cells = <1>; + status = "disabled";
remove status
+ };
+
+ u3port0: usb3-phy0@700 {usb-phy
+ reg = <0x700 0x700>; + clocks = <&clk26m>; + clock-names = "ref"; + #phy-cells = <1>; + status = "disabled";
remove status
+ };
+ };
+
+ ufsphy: phy@11fa0000 {usf-phy instead of phy
+ compatible = "mediatek,mt8195-ufsphy", "mediatek,mt8183-ufsphy"; + reg = <0 0x11fa0000 0 0xc000>; + clocks = <&clk26m>, <&clk26m>; + clock-names = "unipro", "mp"; + #phy-cells = <0>;
disabled? Thanks a lot
+ }; + }; +};
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