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Date: Mon, 23 Oct 2023 12:55:56 +0200
From: Alexandre Mergnat <amergnat@...libre.com>
To: Jason-ch Chen <jason-ch.chen@...iatek.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Eugen Hristev <eugen.hristev@...labora.com>,
Bartosz Golaszewski <brgl@...ev.pl>
Cc: Nícolas F . R . A . Prado
<nfraprado@...labora.com>, Chen-Yu Tsai <wenst@...omium.org>,
Project_Global_Chrome_Upstream_Group@...iatek.com,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v6 4/4] arm64: dts: Add MediaTek MT8188 dts and evaluation
board and Makefile
On 23/10/2023 10:38, Jason-ch Chen wrote:
> From: jason-ch chen <Jason-ch.Chen@...iatek.com>
>
> 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@...iatek.com>
> ---
> 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@...00000 {
> + device_type = "memory";
> + reg = <0 0x40000000 0 0x80000000>;
> + };
> +
> + reserved_memory: reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + scp_mem_reserved: memory@...00000 {
> + 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@...libre.com>
--
Regards,
Alexandre
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