linux-kernel - Re: [v2 02/24] clk: mediatek: Add dt-bindings of MT8195 clocks

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Message-ID: <CAGXv+5Eb4ZiXZXURvoApSEk_myhNpEugOhr2DrzvkxGfDKJneg@mail.gmail.com>
Date:   Wed, 25 Aug 2021 19:39:54 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Chun-Jie Chen <chun-jie.chen@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Nicolas Boichat <drinkcat@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>, linux-clk@...r.kernel.org,
        Devicetree List <devicetree@...r.kernel.org>,
        srv_heupstream <srv_heupstream@...iatek.com>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [v2 02/24] clk: mediatek: Add dt-bindings of MT8195 clocks

On Fri, Aug 20, 2021 at 7:17 PM Chun-Jie Chen
<chun-jie.chen@...iatek.com> wrote:
>
> Add MT8195 clock dt-bindings, include topckgen, apmixedsys,
> infracfg_ao, pericfg_ao and subsystem clocks.
>
> Signed-off-by: Chun-Jie Chen <chun-jie.chen@...iatek.com>
> ---
>  include/dt-bindings/clock/mt8195-clk.h | 864 +++++++++++++++++++++++++
>  1 file changed, 864 insertions(+)
>  create mode 100644 include/dt-bindings/clock/mt8195-clk.h
>
> diff --git a/include/dt-bindings/clock/mt8195-clk.h b/include/dt-bindings/clock/mt8195-clk.h
> new file mode 100644
> index 000000000000..95cf812a0b37
> --- /dev/null
> +++ b/include/dt-bindings/clock/mt8195-clk.h
> @@ -0,0 +1,864 @@

[...]

> +/* WPESYS_VPP0 */
> +
> +#define CLK_WPE_VPP0_VECI              0
> +#define CLK_WPE_VPP0_VEC2I             1
> +#define CLK_WPE_VPP0_VEC3I             2
> +#define CLK_WPE_VPP0_WPEO              3
> +#define CLK_WPE_VPP0_MSKO              4
> +#define CLK_WPE_VPP0_VGEN              5
> +#define CLK_WPE_VPP0_EXT               6
> +#define CLK_WPE_VPP0_VFC               7
> +#define CLK_WPE_VPP0_CACH0_TOP         8
> +#define CLK_WPE_VPP0_CACH0_DMA         9
> +#define CLK_WPE_VPP0_CACH1_TOP         10
> +#define CLK_WPE_VPP0_CACH1_DMA         11
> +#define CLK_WPE_VPP0_CACH2_TOP         12
> +#define CLK_WPE_VPP0_CACH2_DMA         13
> +#define CLK_WPE_VPP0_CACH3_TOP         14
> +#define CLK_WPE_VPP0_CACH3_DMA         15
> +#define CLK_WPE_VPP0_PSP               16
> +#define CLK_WPE_VPP0_PSP2              17
> +#define CLK_WPE_VPP0_SYNC              18
> +#define CLK_WPE_VPP0_C24               19
> +#define CLK_WPE_VPP0_MDP_CROP          20
> +#define CLK_WPE_VPP0_ISP_CROP          21
> +#define CLK_WPE_VPP0_TOP               22
> +#define CLK_WPE_VPP0_NR_CLK            23
> +
> +/* WPESYS_VPP1 */
> +
> +#define CLK_WPE_VPP1_VECI              0
> +#define CLK_WPE_VPP1_VEC2I             1
> +#define CLK_WPE_VPP1_VEC3I             2
> +#define CLK_WPE_VPP1_WPEO              3
> +#define CLK_WPE_VPP1_MSKO              4
> +#define CLK_WPE_VPP1_VGEN              5
> +#define CLK_WPE_VPP1_EXT               6
> +#define CLK_WPE_VPP1_VFC               7
> +#define CLK_WPE_VPP1_CACH0_TOP         8
> +#define CLK_WPE_VPP1_CACH0_DMA         9
> +#define CLK_WPE_VPP1_CACH1_TOP         10
> +#define CLK_WPE_VPP1_CACH1_DMA         11
> +#define CLK_WPE_VPP1_CACH2_TOP         12
> +#define CLK_WPE_VPP1_CACH2_DMA         13
> +#define CLK_WPE_VPP1_CACH3_TOP         14
> +#define CLK_WPE_VPP1_CACH3_DMA         15
> +#define CLK_WPE_VPP1_PSP               16
> +#define CLK_WPE_VPP1_PSP2              17
> +#define CLK_WPE_VPP1_SYNC              18
> +#define CLK_WPE_VPP1_C24               19
> +#define CLK_WPE_VPP1_MDP_CROP          20
> +#define CLK_WPE_VPP1_ISP_CROP          21
> +#define CLK_WPE_VPP1_TOP               22
> +#define CLK_WPE_VPP1_NR_CLK            23

If WPE_VPP0 and WPE_VPP1 end up being identical hardware, then there's
no need to have two separate lists.

[...]

> +/* VENCSYS */
> +
> +#define CLK_VENC_LARB                  0
> +#define CLK_VENC_VENC                  1
> +#define CLK_VENC_JPGENC                        2
> +#define CLK_VENC_JPGDEC                        3
> +#define CLK_VENC_JPGDEC_C1             4
> +#define CLK_VENC_GALS                  5
> +#define CLK_VENC_NR_CLK                        6
> +
> +/* VENCSYS_CORE1 */
> +
> +#define CLK_VENC_CORE1_LARB            0
> +#define CLK_VENC_CORE1_VENC            1
> +#define CLK_VENC_CORE1_JPGENC          2
> +#define CLK_VENC_CORE1_JPGDEC          3
> +#define CLK_VENC_CORE1_JPGDEC_C1       4
> +#define CLK_VENC_CORE1_GALS            5
> +#define CLK_VENC_CORE1_NR_CLK          6

Same for VENC and VENC_CORE1.


ChenYu