Re: [PATCH v6 4/4] arm64: dts: Add MediaTek MT8188 dts and evaluation board and Makefile

From: Alexandre Mergnat
Date: Mon Oct 23 2023 - 06:56:12 EST




On 23/10/2023 10:38, Jason-ch Chen wrote:
From: jason-ch chen <Jason-ch.Chen@xxxxxxxxxxxx>

MT8188 is a SoC based on 64bit ARMv8 architecture. It contains 6 CA55
and 2 CA78 cores. MT8188 share many HW IP with MT65xx series.

We add basic chip support for MediaTek MT8188 on evaluation board.

Signed-off-by: jason-ch chen <Jason-ch.Chen@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/Makefile | 1 +
arch/arm64/boot/dts/mediatek/mt8188-evb.dts | 387 ++++++++
arch/arm64/boot/dts/mediatek/mt8188.dtsi | 956 ++++++++++++++++++++
3 files changed, 1344 insertions(+)
create mode 100644 arch/arm64/boot/dts/mediatek/mt8188-evb.dts
create mode 100644 arch/arm64/boot/dts/mediatek/mt8188.dtsi

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index e6e7592a3645..8900b939ed52 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -44,6 +44,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku0.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku176.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-pumpkin.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-evb.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8188-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-asurada-hayato-r1.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-asurada-hayato-r5-sku2.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-asurada-spherion-r0.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt8188-evb.dts b/arch/arm64/boot/dts/mediatek/mt8188-evb.dts
new file mode 100644
index 000000000000..68a82b49f7a3
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8188-evb.dts
@@ -0,0 +1,387 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2023 MediaTek Inc.
+ */
+/dts-v1/;
+#include "mt8188.dtsi"
+#include "mt6359.dtsi"
+
+/ {
+ model = "MediaTek MT8188 evaluation board";
+ compatible = "mediatek,mt8188-evb", "mediatek,mt8188";
+
+ aliases {
+ serial0 = &uart0;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ i2c3 = &i2c3;
+ i2c4 = &i2c4;
+ i2c5 = &i2c5;
+ i2c6 = &i2c6;
+ mmc0 = &mmc0;
+ };
+
+ chosen: chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0 0x40000000 0 0x80000000>;
+ };
+
+ reserved_memory: reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ scp_mem_reserved: memory@50000000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x50000000 0 0x2900000>;
+ no-map;
+ };
+ };
+};
+
+&auxadc {
+ status = "okay";
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins>;
+ clock-frequency = <400000>;
+ status = "okay";

IMO, the order should be

clock-frequency = <400000>;
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";

Please apply this to other nodes

+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins>;
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&i2c3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_pins>;
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&i2c4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c4_pins>;
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&i2c5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c5_pins>;
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&i2c6 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c6_pins>;
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&mmc0 {
+ bus-width = <8>;
+ hs400-ds-delay = <0x1481b>;
+ max-frequency = <200000000>;
+
+ cap-mmc-highspeed;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ supports-cqe;
+ cap-mmc-hw-reset;
+ no-sdio;
+ no-sd;
+ non-removable;
+
+ vmmc-supply = <&mt6359_vemc_1_ldo_reg>;
+ vqmmc-supply = <&mt6359_vufs_ldo_reg>;
+
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&mmc0_default_pins>;
+ pinctrl-1 = <&mmc0_uhs_pins>;
+
+ status = "okay";
+};
+
+&mt6359_vcore_buck_reg {
+ regulator-always-on;
+};
+
+&mt6359_vgpu11_buck_reg {
+ regulator-always-on;
+};
+
+&mt6359_vpu_buck_reg {
+ regulator-always-on;
+};
+
+&mt6359_vrf12_ldo_reg {
+ regulator-always-on;
+};
+
+&nor_flash {
+ pinctrl-names = "default";
+ pinctrl-0 = <&nor_pins_default>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";

Order:


#address-cells = <1>;
#size-cells = <0>;

pinctrl-0 = <&nor_pins_default>;
pinctrl-names = "default";

status = "okay";

+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <52000000>;
+ };
+};
+

..snip..

+
+&pmic {
+ interrupts-extended = <&pio 222 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&scp {
+ memory-region = <&scp_mem_reserved>;
+ status = "okay";
+};
+
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_pins>;

Order:

pinctrl-0 = <&spi0_pins>;
pinctrl-names = "default";

Please apply this to other nodes

+ status = "okay";
+};
+
+&spi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi1_pins>;
+ status = "okay";
+};
+
+&spi2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi2_pins>;
+ status = "okay";
+};
+
+&u3phy0 {
+ status = "okay";
+};
+
+&u3phy1 {
+ status = "okay";
+};
+
+&u3phy2 {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+ status = "okay";
+};
+

..snip..

+ };
+ };
+};

After that:
Reviewed-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx>

--
Regards,
Alexandre