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Date: Thu, 1 Feb 2024 19:13:50 +0000
From: "Brnich, Brandon" <b-brnich@...com>
To: "Davis, Andrew" <afd@...com>, "Menon, Nishanth" <nm@...com>,
"Raghavendra,
Vignesh" <vigneshr@...com>,
Tero Kristo <kristo@...nel.org>, Rob Herring
<robh+dt@...nel.org>,
Krzysztof Kozlowski
<krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Bjorn Andersson <quic_bjorande@...cinc.com>,
Geert Uytterhoeven
<geert+renesas@...der.be>,
Arnd Bergmann <arnd@...db.de>,
Konrad Dybcio
<konrad.dybcio@...aro.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Nícolas F . R . A . Prado <nfraprado@...labora.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org"
<devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org"
<linux-kernel@...r.kernel.org>,
"Etheridge, Darren" <detheridge@...com>
Subject: RE: [PATCH v3 1/6] arm64: dts: ti: k3-j784s4: Add Wave5 Video
Encoder/Decoder Node
Hi Andrew,
> -----Original Message-----
> From: Davis, Andrew <afd@...com>
> Sent: Thursday, February 1, 2024 12:35 PM
> To: Brnich, Brandon <b-brnich@...com>; Menon, Nishanth <nm@...com>;
> Raghavendra, Vignesh <vigneshr@...com>; Tero Kristo <kristo@...nel.org>;
> Rob Herring <robh+dt@...nel.org>; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@...aro.org>; Conor Dooley <conor+dt@...nel.org>;
> Catalin Marinas <catalin.marinas@....com>; Will Deacon
> <will@...nel.org>; Bjorn Andersson <quic_bjorande@...cinc.com>; Geert
> Uytterhoeven <geert+renesas@...der.be>; Arnd Bergmann
> <arnd@...db.de>; Konrad Dybcio <konrad.dybcio@...aro.org>; Neil
> Armstrong <neil.armstrong@...aro.org>; Nícolas F . R . A . Prado
> <nfraprado@...labora.com>; Marek Szyprowski
> <m.szyprowski@...sung.com>; linux-arm-kernel@...ts.infradead.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org; Etheridge, Darren
> <detheridge@...com>
> Subject: Re: [PATCH v3 1/6] arm64: dts: ti: k3-j784s4: Add Wave5 Video
> Encoder/Decoder Node
>
> On 1/31/24 3:26 PM, Brandon Brnich wrote:
> > This patch adds support for the Wave521cl on the J784S4-evm.
> >
> > Signed-off-by: Brandon Brnich <b-brnich@...com>
> > ---
> > arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 8 ++++++++
> > arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 20 ++++++++++++++++++++
> > arch/arm64/boot/dts/ti/k3-j784s4.dtsi | 2 ++
> > 3 files changed, 30 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> > b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> > index f34b92acc56d..7d37c11b4df4 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> > @@ -784,6 +784,14 @@ &main_gpio0 {
> > status = "okay";
> > };
> >
> > +&vpu0 {
> > + status = "okay";
> > +};
> > +
> > +&vpu1 {
> > + status = "okay";
> > +};
> > +
> > &mcu_cpsw {
> > status = "okay";
> > pinctrl-names = "default";
> > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> > b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> > index f2b720ed1e4f..8b2623ac8160 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> > @@ -662,6 +662,26 @@ main_i2c6: i2c@...0000 {
> > status = "disabled";
> > };
> >
> > + vpu0: video-codec@...0000 {
> > + compatible = "ti,j721s2-wave521c", "cnm,wave521c";
> > + reg = <0x00 0x4210000 0x00 0x10000>;
> > + interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&k3_clks 241 2>;
> > + clock-names = "vcodec";
> > + power-domains = <&k3_pds 241 TI_SCI_PD_EXCLUSIVE>;
> > + status = "disabled";
>
> Why are these default disabled? I don't see anything missing that would
> need to be added at the board level. You disable them just to re-enable them
> in the next patch. Leave these default enabled.
I thought that disabled by default was the standard for node in dtsi files, where
they get specifically enabled in the particular dts file for the SoC.
In V4 I will remove the disabled by default. Should this apply to all platforms in
the series?
> > + };
> > +
> > + vpu1: video-codec@...0000 {
> > + compatible = "ti,j721s2-wave521c", "cnm,wave521c";
> > + reg = <0x00 0x4220000 0x00 0x10000>;
> > + interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&k3_clks 242 2>;
> > + clock-names = "vcodec";
> > + power-domains = <&k3_pds 242 TI_SCI_PD_EXCLUSIVE>;
> > + status = "disabled";
> > + };
> > +
> > main_sdhci0: mmc@...0000 {
> > compatible = "ti,j721e-sdhci-8bit";
> > reg = <0x00 0x04f80000 0x00 0x1000>, diff --git
> > a/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
> > b/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
> > index 4398c3a463e1..93bb0cba1b48 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
> > @@ -247,6 +247,8 @@ cbass_main: bus@...000 {
> > <0x00 0x30000000 0x00 0x30000000 0x00
> 0x0c400000>, /* MAIN NAVSS */
> > <0x41 0x00000000 0x41 0x00000000 0x01
> 0x00000000>, /* PCIe1 DAT1 */
> > <0x4e 0x20000000 0x4e 0x20000000 0x00
> 0x00080000>, /* GPU */
> > + <0x00 0x04210000 0x00 0x04210000 0x00
> 0x00010000>, /* VPU0 */
> > + <0x00 0x04220000 0x00 0x04220000 0x00
> 0x00010000>, /* VPU1 */
>
> Add these in sorted by memory address order.
Will do in V4 as well.
>
> Andrew
>
> >
> > /* MCUSS_WKUP Range */
> > <0x00 0x28380000 0x00 0x28380000 0x00
> 0x03880000>,
Brandon
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