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Message-ID: <fabdc840-ee5d-48b5-bb8a-f01d447604b9@collabora.com>
Date: Wed, 29 May 2024 10:16:12 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Chen-Yu Tsai <wenst@...omium.org>
Cc: linux-mediatek@...ts.infradead.org, lee@...nel.org, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, matthias.bgg@...il.com,
mandyjh.liu@...iatek.com, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
kernel@...labora.com, jpanis@...libre.com
Subject: Re: [PATCH 5/5] arm64: dts: mediatek: mt8188: Add support for Mali
GPU on Panfrost
Il 29/05/24 08:34, Chen-Yu Tsai ha scritto:
> On Mon, May 27, 2024 at 5:40 PM AngeloGioacchino Del Regno
> <angelogioacchino.delregno@...labora.com> wrote:
>>
>> Add the necessary OPP table for the GPU and also add a GPU node
>> to enable support for the Valhall-JM G57 MC3 found on this SoC,
>> using the Panfrost driver.
>>
>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
>> ---
>> arch/arm64/boot/dts/mediatek/mt8188.dtsi | 123 +++++++++++++++++++++++
>> 1 file changed, 123 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8188.dtsi b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
>> index 0bca6c9f15fe..29d012d28edb 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8188.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
>> @@ -294,6 +294,112 @@ clk32k: oscillator-32k {
>> clock-output-names = "clk32k";
>> };
>>
>> + gpu_opp_table: opp-table-gpu {
>> + compatible = "operating-points-v2";
>> + opp-shared;
>> +
>> + opp-390000000 {
>> + opp-hz = /bits/ 64 <390000000>;
>> + opp-microvolt = <575000>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-431000000 {
>> + opp-hz = /bits/ 64 <431000000>;
>> + opp-microvolt = <587500>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-473000000 {
>> + opp-hz = /bits/ 64 <473000000>;
>> + opp-microvolt = <600000>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-515000000 {
>> + opp-hz = /bits/ 64 <515000000>;
>> + opp-microvolt = <612500>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-556000000 {
>> + opp-hz = /bits/ 64 <556000000>;
>> + opp-microvolt = <625000>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-598000000 {
>> + opp-hz = /bits/ 64 <598000000>;
>> + opp-microvolt = <637500>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-640000000 {
>> + opp-hz = /bits/ 64 <640000000>;
>> + opp-microvolt = <650000>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-670000000 {
>> + opp-hz = /bits/ 64 <670000000>;
>> + opp-microvolt = <662500>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-700000000 {
>> + opp-hz = /bits/ 64 <700000000>;
>> + opp-microvolt = <675000>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-730000000 {
>> + opp-hz = /bits/ 64 <730000000>;
>> + opp-microvolt = <687500>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-760000000 {
>> + opp-hz = /bits/ 64 <760000000>;
>> + opp-microvolt = <700000>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-790000000 {
>> + opp-hz = /bits/ 64 <790000000>;
>> + opp-microvolt = <712500>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-835000000 {
>> + opp-hz = /bits/ 64 <835000000>;
>> + opp-microvolt = <731250>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-880000000 {
>> + opp-hz = /bits/ 64 <880000000>;
>> + opp-microvolt = <750000>;
>> + opp-supported-hw = <0xff>;
>> + };
>> + opp-915000000 {
>> + opp-hz = /bits/ 64 <915000000>;
>> + opp-microvolt = <775000>;
>> + opp-supported-hw = <0x8f>;
>> + };
>> + opp-915000000-5 {
>> + opp-hz = /bits/ 64 <915000000>;
>> + opp-microvolt = <762500>;
>> + opp-supported-hw = <0x30>;
>> + };
>> + opp-915000000-6 {
>> + opp-hz = /bits/ 64 <915000000>;
>> + opp-microvolt = <750000>;
>> + opp-supported-hw = <0x70>;
>> + };
>> + opp-950000000 {
>> + opp-hz = /bits/ 64 <950000000>;
>> + opp-microvolt = <800000>;
>> + opp-supported-hw = <0x8f>;
>> + };
>> + opp-950000000-5 {
>> + opp-hz = /bits/ 64 <950000000>;
>> + opp-microvolt = <775000>;
>> + opp-supported-hw = <0x30>;
>> + };
>> + opp-950000000-6 {
>> + opp-hz = /bits/ 64 <950000000>;
>> + opp-microvolt = <750000>;
>> + opp-supported-hw = <0x70>;
>> + };
>> + };
>> +
>> pmu-a55 {
>> compatible = "arm,cortex-a55-pmu";
>> interrupt-parent = <&gic>;
>> @@ -1167,6 +1273,23 @@ imp_iic_wrap_en: clock-controller@...c2000 {
>> #clock-cells = <1>;
>> };
>>
>> + gpu: gpu@...00000 {
>> + compatible = "mediatek,mt8188-mali", "arm,mali-valhall-jm";
>> + reg = <0 0x13000000 0 0x4000>;
>> +
>> + clocks = <&mfgcfg CLK_MFGCFG_BG3D>;
>> + interrupts = <GIC_SPI 383 IRQ_TYPE_LEVEL_HIGH 0>,
>> + <GIC_SPI 382 IRQ_TYPE_LEVEL_HIGH 0>,
>> + <GIC_SPI 381 IRQ_TYPE_LEVEL_HIGH 0>;
>> + interrupt-names = "job", "mmu", "gpu";
>> + operating-points-v2 = <&gpu_opp_table>;
>> + power-domains = <&spm MT8188_POWER_DOMAIN_MFG2>,
>> + <&spm MT8188_POWER_DOMAIN_MFG3>,
>> + <&spm MT8188_POWER_DOMAIN_MFG4>;
>> + power-domain-names = "core0", "core1", "core2";
>> + status = "disabled";
>> + };
>> +
>
> This block no longer applies cleanly on the MTK tree because of
> "arm64: dts: mediatek: mt8188: add lvts definitions" being applied.
>
Thanks for checking - it's okay, it's about reordering the two series anyway.
This was sent to unblock Julien's work with LVTS sensors, and I was expecting
a new version of the patch that you just mentioned anyway.
So, the patch that is in the MediaTek trees will be replaced by his new ones ASAP
and merge issues will fly away, since Julien rebased his series on top of this.
Cheers!
Angelo
> ChenYu
>
>> mfgcfg: clock-controller@...bf000 {
>> compatible = "mediatek,mt8188-mfgcfg";
>> reg = <0 0x13fbf000 0 0x1000>;
>> --
>> 2.45.1
>>
>>
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