linux-kernel - Re: [PATCH V4 12/15] dt-bindings: reset: mediatek: Add infra

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Date:   Thu, 28 Apr 2022 19:18:41 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        "sboyd@...nel.org" <sboyd@...nel.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>
CC:     "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        Chun-Jie Chen (陳浚桀) 
        <Chun-Jie.Chen@...iatek.com>,
        "wenst@...omium.org" <wenst@...omium.org>,
        Runyang Chen (陈润洋) 
        <Runyang.Chen@...iatek.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH V4 12/15] dt-bindings: reset: mediatek: Add infra_ao
 reset bit for MT8192/MT8195

On Thu, 2022-04-28 at 15:18 +0800, Krzysztof Kozlowski wrote:
> On 27/04/2022 05:09, Rex-BC Chen wrote:
> > - To support reset of infra_ao, add the bit definition of
> >   thermal/PCIe/SVS for MT8192.
> > - To support reset of infra_ao, add the bit definition of
> >   thermal/SVS for MT8195.
> > - Add the driver comment to separate the reset index for
> >   TOPRGU and INFRA.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
> > ---
> >  include/dt-bindings/reset/mt8192-resets.h | 8 ++++++++
> >  include/dt-bindings/reset/mt8195-resets.h | 6 ++++++
> >  2 files changed, 14 insertions(+)
> > 
> > diff --git a/include/dt-bindings/reset/mt8192-resets.h
> > b/include/dt-bindings/reset/mt8192-resets.h
> > index be9a7ca245b9..ee0ca02a39bf 100644
> > --- a/include/dt-bindings/reset/mt8192-resets.h
> > +++ b/include/dt-bindings/reset/mt8192-resets.h
> > @@ -7,6 +7,7 @@
> >  #ifndef _DT_BINDINGS_RESET_CONTROLLER_MT8192
> >  #define _DT_BINDINGS_RESET_CONTROLLER_MT8192
> >  
> > +/* TOPRGU resets */
> >  #define MT8192_TOPRGU_MM_SW_RST					
> > 1
> >  #define MT8192_TOPRGU_MFG_SW_RST				2
> >  #define MT8192_TOPRGU_VENC_SW_RST				3
> > @@ -27,4 +28,11 @@
> >  
> >  #define MT8192_TOPRGU_SW_RST_NUM				23
> >  
> > +/* INFRA resets */
> > +#define MT8192_INFRA_THERMAL_CTRL_RST			0
> > +#define MT8192_INFRA_PEXTP_PHY_RST				79
> > +#define MT8192_INFRA_PTP_RST					
> > 101
> > +#define MT8192_INFRA_RST4_PCIE_TOP				129
> > +#define MT8192_INFRA_THERMAL_CTRL_MCU_RST		140
> 
> This is still wrong. I gave you exactly what has to be used:
> 0
> 1
> 2
> ...
> 
> It's a decimal number incremented by one.
> 
> 
> > +
> >  #endif  /* _DT_BINDINGS_RESET_CONTROLLER_MT8192 */
> > diff --git a/include/dt-bindings/reset/mt8195-resets.h
> > b/include/dt-bindings/reset/mt8195-resets.h
> > index a26bccc8b957..a3226f40779c 100644
> > --- a/include/dt-bindings/reset/mt8195-resets.h
> > +++ b/include/dt-bindings/reset/mt8195-resets.h
> > @@ -7,6 +7,7 @@
> >  #ifndef _DT_BINDINGS_RESET_CONTROLLER_MT8195
> >  #define _DT_BINDINGS_RESET_CONTROLLER_MT8195
> >  
> > +/* TOPRGU resets */
> >  #define MT8195_TOPRGU_CONN_MCU_SW_RST          0
> >  #define MT8195_TOPRGU_INFRA_GRST_SW_RST        1
> >  #define MT8195_TOPRGU_APU_SW_RST               2
> > @@ -26,4 +27,9 @@
> >  
> >  #define MT8195_TOPRGU_SW_RST_NUM               16
> >  
> > +/* INFRA resets */
> > +#define MT8195_INFRA_THERMAL_AP_RST            0
> > +#define MT8195_INFRA_PTP_RST                   101
> > +#define MT8195_INFRA_THERMAL_MCU_RST           138
> 
> Same issue.
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.
As mentioned in prvious mail, I will add all reset bits in MT8192 and
MT8195.

BRs,
Rex