2020-05-18 11:33:48

by Matthias Brugger

[permalink] [raw]
Subject: [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from platform device

From: Matthias Brugger <[email protected]>

The mmsys driver is now the top level entry point for the multimedia
system (mmsys), we bind the clock driver by creating a platform device.
We also bind the MediaTek DRM driver which is not yet implement and
therefor will errror out for now.

Signed-off-by: Matthias Brugger <[email protected]>
---

drivers/clk/mediatek/clk-mt8183-mm.c | 9 ++-------
drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8183-mm.c b/drivers/clk/mediatek/clk-mt8183-mm.c
index 720c696b506d..9d60e09619c1 100644
--- a/drivers/clk/mediatek/clk-mt8183-mm.c
+++ b/drivers/clk/mediatek/clk-mt8183-mm.c
@@ -84,8 +84,9 @@ static const struct mtk_gate mm_clks[] = {

static int clk_mt8183_mm_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
+ struct device_node *node = dev->parent->of_node;
struct clk_onecell_data *clk_data;
- struct device_node *node = pdev->dev.of_node;

clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);

@@ -95,16 +96,10 @@ static int clk_mt8183_mm_probe(struct platform_device *pdev)
return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
}

-static const struct of_device_id of_match_clk_mt8183_mm[] = {
- { .compatible = "mediatek,mt8183-mmsys", },
- {}
-};
-
static struct platform_driver clk_mt8183_mm_drv = {
.probe = clk_mt8183_mm_probe,
.driver = {
.name = "clk-mt8183-mm",
- .of_match_table = of_match_clk_mt8183_mm,
},
};

diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index cacafe23c823..783c3dd008b2 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -92,6 +92,10 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
.clk_driver = "clk-mt8173-mm",
};

+static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
+ .clk_driver = "clk-mt8183-mm",
+};
+
static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next,
unsigned int *addr)
@@ -339,6 +343,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
.compatible = "mediatek,mt8173-mmsys",
.data = &mt8173_mmsys_driver_data,
},
+ {
+ .compatible = "mediatek,mt8183-mmsys",
+ .data = &mt8183_mmsys_driver_data,
+ },
{ }
};

--
2.26.2


2020-05-18 11:33:59

by Matthias Brugger

[permalink] [raw]
Subject: [PATCH 2/4] clk/soc: mediatek: mt6797: Bind clock driver from platform device

From: Matthias Brugger <[email protected]>

The mmsys driver is now the top level entry point for the multimedia
system (mmsys), we bind the clock driver by creating a platform device.
We also bind the MediaTek DRM driver which is not yet implement and
therefor will errror out for now.

Signed-off-by: Matthias Brugger <[email protected]>
---

drivers/clk/mediatek/clk-mt6797-mm.c | 9 ++-------
drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt6797-mm.c b/drivers/clk/mediatek/clk-mt6797-mm.c
index 8f05653b387d..01fdce287247 100644
--- a/drivers/clk/mediatek/clk-mt6797-mm.c
+++ b/drivers/clk/mediatek/clk-mt6797-mm.c
@@ -92,16 +92,12 @@ static const struct mtk_gate mm_clks[] = {
"clk26m", 3),
};

-static const struct of_device_id of_match_clk_mt6797_mm[] = {
- { .compatible = "mediatek,mt6797-mmsys", },
- {}
-};
-
static int clk_mt6797_mm_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
+ struct device_node *node = dev->parent->of_node;
struct clk_onecell_data *clk_data;
int r;
- struct device_node *node = pdev->dev.of_node;

clk_data = mtk_alloc_clk_data(CLK_MM_NR);

@@ -121,7 +117,6 @@ static struct platform_driver clk_mt6797_mm_drv = {
.probe = clk_mt6797_mm_probe,
.driver = {
.name = "clk-mt6797-mm",
- .of_match_table = of_match_clk_mt6797_mm,
},
};

diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index 783c3dd008b2..fee64c8d3020 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -88,6 +88,10 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
.clk_driver = "clk-mt2712-mm",
};

+static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
+ .clk_driver = "clk-mt6797-mm",
+};
+
static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
.clk_driver = "clk-mt8173-mm",
};
@@ -339,6 +343,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
.compatible = "mediatek,mt2712-mmsys",
.data = &mt2712_mmsys_driver_data,
},
+ {
+ .compatible = "mediatek,mt6797-mmsys",
+ .data = &mt6797_mmsys_driver_data,
+ },
{
.compatible = "mediatek,mt8173-mmsys",
.data = &mt8173_mmsys_driver_data,
--
2.26.2

2020-05-18 11:34:21

by Matthias Brugger

[permalink] [raw]
Subject: [PATCH 3/4] clk/soc: mediatek: mt6779: Bind clock driver from platform device

From: Matthias Brugger <[email protected]>

The mmsys driver is now the top level entry point for the multimedia
system (mmsys), we bind the clock driver by creating a platform device.
We also bind the MediaTek DRM driver which is not yet implement and
therefor will errror out for now.

Signed-off-by: Matthias Brugger <[email protected]>
---

drivers/clk/mediatek/clk-mt6779-mm.c | 9 ++-------
drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt6779-mm.c b/drivers/clk/mediatek/clk-mt6779-mm.c
index fb5fbb8e3e41..059c1a41ac7a 100644
--- a/drivers/clk/mediatek/clk-mt6779-mm.c
+++ b/drivers/clk/mediatek/clk-mt6779-mm.c
@@ -84,15 +84,11 @@ static const struct mtk_gate mm_clks[] = {
GATE_MM1(CLK_MM_DISP_OVL_FBDC, "mm_disp_ovl_fbdc", "mm_sel", 16),
};

-static const struct of_device_id of_match_clk_mt6779_mm[] = {
- { .compatible = "mediatek,mt6779-mmsys", },
- {}
-};
-
static int clk_mt6779_mm_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
+ struct device_node *node = dev->parent->of_node;
struct clk_onecell_data *clk_data;
- struct device_node *node = pdev->dev.of_node;

clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);

@@ -106,7 +102,6 @@ static struct platform_driver clk_mt6779_mm_drv = {
.probe = clk_mt6779_mm_probe,
.driver = {
.name = "clk-mt6779-mm",
- .of_match_table = of_match_clk_mt6779_mm,
},
};

diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index fee64c8d3020..dc15808cf3a3 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -88,6 +88,10 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
.clk_driver = "clk-mt2712-mm",
};

+static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = {
+ .clk_driver = "clk-mt6779-mm",
+};
+
static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
.clk_driver = "clk-mt6797-mm",
};
@@ -343,6 +347,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
.compatible = "mediatek,mt2712-mmsys",
.data = &mt2712_mmsys_driver_data,
},
+ {
+ .compatible = "mediatek,mt6779-mmsys",
+ .data = &mt6779_mmsys_driver_data,
+ },
{
.compatible = "mediatek,mt6797-mmsys",
.data = &mt6797_mmsys_driver_data,
--
2.26.2

2020-05-18 11:34:49

by Matthias Brugger

[permalink] [raw]
Subject: [PATCH 4/4] arm64: dts: mt6797: Fix mmsys node name

From: Matthias Brugger <[email protected]>

Node names are supposed to match the class of the device. The
mmsys node is a syscon as it provides more then just a clock controller.
Update the name.

Signed-off-by: Matthias Brugger <[email protected]>

---

arch/arm64/boot/dts/mediatek/mt6797.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt6797.dtsi b/arch/arm64/boot/dts/mediatek/mt6797.dtsi
index 136ef9527a0d..3efd032481ce 100644
--- a/arch/arm64/boot/dts/mediatek/mt6797.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt6797.dtsi
@@ -233,7 +233,7 @@ uart3: serial@11005000 {
status = "disabled";
};

- mmsys: mmsys_config@14000000 {
+ mmsys: syscon@14000000 {
compatible = "mediatek,mt6797-mmsys", "syscon";
reg = <0 0x14000000 0 0x1000>;
#clock-cells = <1>;
--
2.26.2

2020-05-18 15:35:22

by Chun-Kuang Hu

[permalink] [raw]
Subject: Re: [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from platform device

Hi, Matthias:

<[email protected]> 於 2020年5月18日 週一 下午7:32寫道:
>
> From: Matthias Brugger <[email protected]>
>
> The mmsys driver is now the top level entry point for the multimedia
> system (mmsys), we bind the clock driver by creating a platform device.
> We also bind the MediaTek DRM driver which is not yet implement and
> therefor will errror out for now.

You may need to let CONFIG_MTK_MMSYS depends on
CONFIG_COMMON_CLK_MT8173_MMSYS || CONFIG_COMMON_CLK_MT8183_MMSYS

Regards,
Chun-Kuang.

>
> Signed-off-by: Matthias Brugger <[email protected]>
> ---
>
> drivers/clk/mediatek/clk-mt8183-mm.c | 9 ++-------
> drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
> 2 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/clk/mediatek/clk-mt8183-mm.c b/drivers/clk/mediatek/clk-mt8183-mm.c
> index 720c696b506d..9d60e09619c1 100644
> --- a/drivers/clk/mediatek/clk-mt8183-mm.c
> +++ b/drivers/clk/mediatek/clk-mt8183-mm.c
> @@ -84,8 +84,9 @@ static const struct mtk_gate mm_clks[] = {
>
> static int clk_mt8183_mm_probe(struct platform_device *pdev)
> {
> + struct device *dev = &pdev->dev;
> + struct device_node *node = dev->parent->of_node;
> struct clk_onecell_data *clk_data;
> - struct device_node *node = pdev->dev.of_node;
>
> clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
>
> @@ -95,16 +96,10 @@ static int clk_mt8183_mm_probe(struct platform_device *pdev)
> return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
> }
>
> -static const struct of_device_id of_match_clk_mt8183_mm[] = {
> - { .compatible = "mediatek,mt8183-mmsys", },
> - {}
> -};
> -
> static struct platform_driver clk_mt8183_mm_drv = {
> .probe = clk_mt8183_mm_probe,
> .driver = {
> .name = "clk-mt8183-mm",
> - .of_match_table = of_match_clk_mt8183_mm,
> },
> };
>
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index cacafe23c823..783c3dd008b2 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -92,6 +92,10 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
> .clk_driver = "clk-mt8173-mm",
> };
>
> +static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
> + .clk_driver = "clk-mt8183-mm",
> +};
> +
> static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next,
> unsigned int *addr)
> @@ -339,6 +343,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
> .compatible = "mediatek,mt8173-mmsys",
> .data = &mt8173_mmsys_driver_data,
> },
> + {
> + .compatible = "mediatek,mt8183-mmsys",
> + .data = &mt8183_mmsys_driver_data,
> + },
> { }
> };
>
> --
> 2.26.2
>
>
> _______________________________________________
> Linux-mediatek mailing list
> [email protected]
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-18 15:59:44

by Matthias Brugger

[permalink] [raw]
Subject: Re: [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from platform device



On 18/05/2020 17:30, Chun-Kuang Hu wrote:
> Hi, Matthias:
>
> <[email protected]> 於 2020年5月18日 週一 下午7:32寫道:
>>
>> From: Matthias Brugger <[email protected]>
>>
>> The mmsys driver is now the top level entry point for the multimedia
>> system (mmsys), we bind the clock driver by creating a platform device.
>> We also bind the MediaTek DRM driver which is not yet implement and
>> therefor will errror out for now.
>
> You may need to let CONFIG_MTK_MMSYS depends on
> CONFIG_COMMON_CLK_MT8173_MMSYS || CONFIG_COMMON_CLK_MT8183_MMSYS
>

That will be fixed by:
https://patchwork.kernel.org/patch/11469521/

Otherwise this won't scale as we would need to add the SoCs using the mtk-mmsys
driver and this will be a lot if not all.

Regards,
Matthias

> Regards,
> Chun-Kuang.
>
>>
>> Signed-off-by: Matthias Brugger <[email protected]>
>> ---
>>
>> drivers/clk/mediatek/clk-mt8183-mm.c | 9 ++-------
>> drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
>> 2 files changed, 10 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/clk/mediatek/clk-mt8183-mm.c b/drivers/clk/mediatek/clk-mt8183-mm.c
>> index 720c696b506d..9d60e09619c1 100644
>> --- a/drivers/clk/mediatek/clk-mt8183-mm.c
>> +++ b/drivers/clk/mediatek/clk-mt8183-mm.c
>> @@ -84,8 +84,9 @@ static const struct mtk_gate mm_clks[] = {
>>
>> static int clk_mt8183_mm_probe(struct platform_device *pdev)
>> {
>> + struct device *dev = &pdev->dev;
>> + struct device_node *node = dev->parent->of_node;
>> struct clk_onecell_data *clk_data;
>> - struct device_node *node = pdev->dev.of_node;
>>
>> clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
>>
>> @@ -95,16 +96,10 @@ static int clk_mt8183_mm_probe(struct platform_device *pdev)
>> return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
>> }
>>
>> -static const struct of_device_id of_match_clk_mt8183_mm[] = {
>> - { .compatible = "mediatek,mt8183-mmsys", },
>> - {}
>> -};
>> -
>> static struct platform_driver clk_mt8183_mm_drv = {
>> .probe = clk_mt8183_mm_probe,
>> .driver = {
>> .name = "clk-mt8183-mm",
>> - .of_match_table = of_match_clk_mt8183_mm,
>> },
>> };
>>
>> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
>> index cacafe23c823..783c3dd008b2 100644
>> --- a/drivers/soc/mediatek/mtk-mmsys.c
>> +++ b/drivers/soc/mediatek/mtk-mmsys.c
>> @@ -92,6 +92,10 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
>> .clk_driver = "clk-mt8173-mm",
>> };
>>
>> +static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
>> + .clk_driver = "clk-mt8183-mm",
>> +};
>> +
>> static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
>> enum mtk_ddp_comp_id next,
>> unsigned int *addr)
>> @@ -339,6 +343,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
>> .compatible = "mediatek,mt8173-mmsys",
>> .data = &mt8173_mmsys_driver_data,
>> },
>> + {
>> + .compatible = "mediatek,mt8183-mmsys",
>> + .data = &mt8183_mmsys_driver_data,
>> + },
>> { }
>> };
>>
>> --
>> 2.26.2
>>
>>
>> _______________________________________________
>> Linux-mediatek mailing list
>> [email protected]
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-19 00:25:34

by Chun-Kuang Hu

[permalink] [raw]
Subject: Re: [PATCH 2/4] clk/soc: mediatek: mt6797: Bind clock driver from platform device

Hi, Matthias:

<[email protected]> 於 2020年5月18日 週一 下午7:32寫道:
>
> From: Matthias Brugger <[email protected]>
>
> The mmsys driver is now the top level entry point for the multimedia
> system (mmsys), we bind the clock driver by creating a platform device.
> We also bind the MediaTek DRM driver which is not yet implement and
> therefor will errror out for now.
>

Reviewed-by: Chun-Kuang Hu <[email protected]>

> Signed-off-by: Matthias Brugger <[email protected]>
> ---
>
> drivers/clk/mediatek/clk-mt6797-mm.c | 9 ++-------
> drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
> 2 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/clk/mediatek/clk-mt6797-mm.c b/drivers/clk/mediatek/clk-mt6797-mm.c
> index 8f05653b387d..01fdce287247 100644
> --- a/drivers/clk/mediatek/clk-mt6797-mm.c
> +++ b/drivers/clk/mediatek/clk-mt6797-mm.c
> @@ -92,16 +92,12 @@ static const struct mtk_gate mm_clks[] = {
> "clk26m", 3),
> };
>
> -static const struct of_device_id of_match_clk_mt6797_mm[] = {
> - { .compatible = "mediatek,mt6797-mmsys", },
> - {}
> -};
> -
> static int clk_mt6797_mm_probe(struct platform_device *pdev)
> {
> + struct device *dev = &pdev->dev;
> + struct device_node *node = dev->parent->of_node;
> struct clk_onecell_data *clk_data;
> int r;
> - struct device_node *node = pdev->dev.of_node;
>
> clk_data = mtk_alloc_clk_data(CLK_MM_NR);
>
> @@ -121,7 +117,6 @@ static struct platform_driver clk_mt6797_mm_drv = {
> .probe = clk_mt6797_mm_probe,
> .driver = {
> .name = "clk-mt6797-mm",
> - .of_match_table = of_match_clk_mt6797_mm,
> },
> };
>
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index 783c3dd008b2..fee64c8d3020 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -88,6 +88,10 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
> .clk_driver = "clk-mt2712-mm",
> };
>
> +static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
> + .clk_driver = "clk-mt6797-mm",
> +};
> +
> static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
> .clk_driver = "clk-mt8173-mm",
> };
> @@ -339,6 +343,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
> .compatible = "mediatek,mt2712-mmsys",
> .data = &mt2712_mmsys_driver_data,
> },
> + {
> + .compatible = "mediatek,mt6797-mmsys",
> + .data = &mt6797_mmsys_driver_data,
> + },
> {
> .compatible = "mediatek,mt8173-mmsys",
> .data = &mt8173_mmsys_driver_data,
> --
> 2.26.2
>
>
> _______________________________________________
> Linux-mediatek mailing list
> [email protected]
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-19 00:27:11

by Chun-Kuang Hu

[permalink] [raw]
Subject: Re: [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from platform device

Hi, Matthias:

Matthias Brugger <[email protected]> 於 2020年5月18日 週一 下午11:57寫道:
>
>
>
> On 18/05/2020 17:30, Chun-Kuang Hu wrote:
> > Hi, Matthias:
> >
> > <[email protected]> 於 2020年5月18日 週一 下午7:32寫道:
> >>
> >> From: Matthias Brugger <[email protected]>
> >>
> >> The mmsys driver is now the top level entry point for the multimedia
> >> system (mmsys), we bind the clock driver by creating a platform device.
> >> We also bind the MediaTek DRM driver which is not yet implement and
> >> therefor will errror out for now.
> >
> > You may need to let CONFIG_MTK_MMSYS depends on
> > CONFIG_COMMON_CLK_MT8173_MMSYS || CONFIG_COMMON_CLK_MT8183_MMSYS
> >
>
> That will be fixed by:
> https://patchwork.kernel.org/patch/11469521/
>
> Otherwise this won't scale as we would need to add the SoCs using the mtk-mmsys
> driver and this will be a lot if not all.

I forgot that patch, so for this patch,

Reviewed-by: Chun-Kuang Hu <[email protected]>

>
> Regards,
> Matthias
>
> > Regards,
> > Chun-Kuang.
> >
> >>
> >> Signed-off-by: Matthias Brugger <[email protected]>
> >> ---
> >>
> >> drivers/clk/mediatek/clk-mt8183-mm.c | 9 ++-------
> >> drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
> >> 2 files changed, 10 insertions(+), 7 deletions(-)
> >>
> >> diff --git a/drivers/clk/mediatek/clk-mt8183-mm.c b/drivers/clk/mediatek/clk-mt8183-mm.c
> >> index 720c696b506d..9d60e09619c1 100644
> >> --- a/drivers/clk/mediatek/clk-mt8183-mm.c
> >> +++ b/drivers/clk/mediatek/clk-mt8183-mm.c
> >> @@ -84,8 +84,9 @@ static const struct mtk_gate mm_clks[] = {
> >>
> >> static int clk_mt8183_mm_probe(struct platform_device *pdev)
> >> {
> >> + struct device *dev = &pdev->dev;
> >> + struct device_node *node = dev->parent->of_node;
> >> struct clk_onecell_data *clk_data;
> >> - struct device_node *node = pdev->dev.of_node;
> >>
> >> clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
> >>
> >> @@ -95,16 +96,10 @@ static int clk_mt8183_mm_probe(struct platform_device *pdev)
> >> return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
> >> }
> >>
> >> -static const struct of_device_id of_match_clk_mt8183_mm[] = {
> >> - { .compatible = "mediatek,mt8183-mmsys", },
> >> - {}
> >> -};
> >> -
> >> static struct platform_driver clk_mt8183_mm_drv = {
> >> .probe = clk_mt8183_mm_probe,
> >> .driver = {
> >> .name = "clk-mt8183-mm",
> >> - .of_match_table = of_match_clk_mt8183_mm,
> >> },
> >> };
> >>
> >> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> >> index cacafe23c823..783c3dd008b2 100644
> >> --- a/drivers/soc/mediatek/mtk-mmsys.c
> >> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> >> @@ -92,6 +92,10 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
> >> .clk_driver = "clk-mt8173-mm",
> >> };
> >>
> >> +static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
> >> + .clk_driver = "clk-mt8183-mm",
> >> +};
> >> +
> >> static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
> >> enum mtk_ddp_comp_id next,
> >> unsigned int *addr)
> >> @@ -339,6 +343,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
> >> .compatible = "mediatek,mt8173-mmsys",
> >> .data = &mt8173_mmsys_driver_data,
> >> },
> >> + {
> >> + .compatible = "mediatek,mt8183-mmsys",
> >> + .data = &mt8183_mmsys_driver_data,
> >> + },
> >> { }
> >> };
> >>
> >> --
> >> 2.26.2
> >>
> >>
> >> _______________________________________________
> >> Linux-mediatek mailing list
> >> [email protected]
> >> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-19 15:08:15

by Chun-Kuang Hu

[permalink] [raw]
Subject: Re: [PATCH 4/4] arm64: dts: mt6797: Fix mmsys node name

Hi, Matthias:

<[email protected]> 於 2020年5月18日 週一 下午7:33寫道:
>
> From: Matthias Brugger <[email protected]>
>
> Node names are supposed to match the class of the device. The
> mmsys node is a syscon as it provides more then just a clock controller.
> Update the name.

Reviewed-by: Chun-Kuang Hu <[email protected]>

>
> Signed-off-by: Matthias Brugger <[email protected]>
>
> ---
>
> arch/arm64/boot/dts/mediatek/mt6797.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt6797.dtsi b/arch/arm64/boot/dts/mediatek/mt6797.dtsi
> index 136ef9527a0d..3efd032481ce 100644
> --- a/arch/arm64/boot/dts/mediatek/mt6797.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt6797.dtsi
> @@ -233,7 +233,7 @@ uart3: serial@11005000 {
> status = "disabled";
> };
>
> - mmsys: mmsys_config@14000000 {
> + mmsys: syscon@14000000 {
> compatible = "mediatek,mt6797-mmsys", "syscon";
> reg = <0 0x14000000 0 0x1000>;
> #clock-cells = <1>;
> --
> 2.26.2
>
>
> _______________________________________________
> Linux-mediatek mailing list
> [email protected]
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-19 15:13:17

by Chun-Kuang Hu

[permalink] [raw]
Subject: Re: [PATCH 3/4] clk/soc: mediatek: mt6779: Bind clock driver from platform device

Hi, Matthias:

<[email protected]> 於 2020年5月18日 週一 下午7:33寫道:
>
> From: Matthias Brugger <[email protected]>
>
> The mmsys driver is now the top level entry point for the multimedia
> system (mmsys), we bind the clock driver by creating a platform device.
> We also bind the MediaTek DRM driver which is not yet implement and
> therefor will errror out for now.
>
> Signed-off-by: Matthias Brugger <[email protected]>
> ---
>
> drivers/clk/mediatek/clk-mt6779-mm.c | 9 ++-------
> drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
> 2 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/clk/mediatek/clk-mt6779-mm.c b/drivers/clk/mediatek/clk-mt6779-mm.c
> index fb5fbb8e3e41..059c1a41ac7a 100644
> --- a/drivers/clk/mediatek/clk-mt6779-mm.c
> +++ b/drivers/clk/mediatek/clk-mt6779-mm.c
> @@ -84,15 +84,11 @@ static const struct mtk_gate mm_clks[] = {
> GATE_MM1(CLK_MM_DISP_OVL_FBDC, "mm_disp_ovl_fbdc", "mm_sel", 16),
> };
>
> -static const struct of_device_id of_match_clk_mt6779_mm[] = {
> - { .compatible = "mediatek,mt6779-mmsys", },
> - {}
> -};
> -
> static int clk_mt6779_mm_probe(struct platform_device *pdev)
> {
> + struct device *dev = &pdev->dev;
> + struct device_node *node = dev->parent->of_node;
> struct clk_onecell_data *clk_data;
> - struct device_node *node = pdev->dev.of_node;
>
> clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
>
> @@ -106,7 +102,6 @@ static struct platform_driver clk_mt6779_mm_drv = {
> .probe = clk_mt6779_mm_probe,
> .driver = {
> .name = "clk-mt6779-mm",
> - .of_match_table = of_match_clk_mt6779_mm,
> },
> };
>
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index fee64c8d3020..dc15808cf3a3 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -88,6 +88,10 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
> .clk_driver = "clk-mt2712-mm",
> };
>
> +static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = {
> + .clk_driver = "clk-mt6779-mm",

This patch looks good to me, but I've one question: why drm driver
just use single "mediatek-drm" for sub driver name, but clock driver
has different name for each SoC?
Could we just use single name for clock driver such as "mediatek-clk-mm"?

Regards,
Chun-Kuang.

> +};
> +
> static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
> .clk_driver = "clk-mt6797-mm",
> };
> @@ -343,6 +347,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
> .compatible = "mediatek,mt2712-mmsys",
> .data = &mt2712_mmsys_driver_data,
> },
> + {
> + .compatible = "mediatek,mt6779-mmsys",
> + .data = &mt6779_mmsys_driver_data,
> + },
> {
> .compatible = "mediatek,mt6797-mmsys",
> .data = &mt6797_mmsys_driver_data,
> --
> 2.26.2
>
>
> _______________________________________________
> Linux-mediatek mailing list
> [email protected]
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-19 21:31:09

by Matthias Brugger

[permalink] [raw]
Subject: Re: [PATCH 3/4] clk/soc: mediatek: mt6779: Bind clock driver from platform device



On 19/05/2020 17:10, Chun-Kuang Hu wrote:
> Hi, Matthias:
>
> <[email protected]> 於 2020年5月18日 週一 下午7:33寫道:
>>
>> From: Matthias Brugger <[email protected]>
>>
>> The mmsys driver is now the top level entry point for the multimedia
>> system (mmsys), we bind the clock driver by creating a platform device.
>> We also bind the MediaTek DRM driver which is not yet implement and
>> therefor will errror out for now.
>>
>> Signed-off-by: Matthias Brugger <[email protected]>
>> ---
>>
>> drivers/clk/mediatek/clk-mt6779-mm.c | 9 ++-------
>> drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
>> 2 files changed, 10 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/clk/mediatek/clk-mt6779-mm.c b/drivers/clk/mediatek/clk-mt6779-mm.c
>> index fb5fbb8e3e41..059c1a41ac7a 100644
>> --- a/drivers/clk/mediatek/clk-mt6779-mm.c
>> +++ b/drivers/clk/mediatek/clk-mt6779-mm.c
>> @@ -84,15 +84,11 @@ static const struct mtk_gate mm_clks[] = {
>> GATE_MM1(CLK_MM_DISP_OVL_FBDC, "mm_disp_ovl_fbdc", "mm_sel", 16),
>> };
>>
>> -static const struct of_device_id of_match_clk_mt6779_mm[] = {
>> - { .compatible = "mediatek,mt6779-mmsys", },
>> - {}
>> -};
>> -
>> static int clk_mt6779_mm_probe(struct platform_device *pdev)
>> {
>> + struct device *dev = &pdev->dev;
>> + struct device_node *node = dev->parent->of_node;
>> struct clk_onecell_data *clk_data;
>> - struct device_node *node = pdev->dev.of_node;
>>
>> clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
>>
>> @@ -106,7 +102,6 @@ static struct platform_driver clk_mt6779_mm_drv = {
>> .probe = clk_mt6779_mm_probe,
>> .driver = {
>> .name = "clk-mt6779-mm",
>> - .of_match_table = of_match_clk_mt6779_mm,
>> },
>> };
>>
>> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
>> index fee64c8d3020..dc15808cf3a3 100644
>> --- a/drivers/soc/mediatek/mtk-mmsys.c
>> +++ b/drivers/soc/mediatek/mtk-mmsys.c
>> @@ -88,6 +88,10 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
>> .clk_driver = "clk-mt2712-mm",
>> };
>>
>> +static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = {
>> + .clk_driver = "clk-mt6779-mm",
>
> This patch looks good to me, but I've one question: why drm driver
> just use single "mediatek-drm" for sub driver name, but clock driver
> has different name for each SoC?
> Could we just use single name for clock driver such as "mediatek-clk-mm"?

Because the DRM for all SoCs are handled in the same driver, while we have a
different clock drivers for each SoC. So we need to specify which clock driver
we want to load.

If we want to change that, we would need to refactor heavily the clock drivers
for all MediaTek SoCs. I don't think it's worth the effort.

Regards,
Matthias

>
> Regards,
> Chun-Kuang.
>
>> +};
>> +
>> static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
>> .clk_driver = "clk-mt6797-mm",
>> };
>> @@ -343,6 +347,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
>> .compatible = "mediatek,mt2712-mmsys",
>> .data = &mt2712_mmsys_driver_data,
>> },
>> + {
>> + .compatible = "mediatek,mt6779-mmsys",
>> + .data = &mt6779_mmsys_driver_data,
>> + },
>> {
>> .compatible = "mediatek,mt6797-mmsys",
>> .data = &mt6797_mmsys_driver_data,
>> --
>> 2.26.2
>>
>>
>> _______________________________________________
>> Linux-mediatek mailing list
>> [email protected]
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-19 23:54:22

by Chun-Kuang Hu

[permalink] [raw]
Subject: Re: [PATCH 3/4] clk/soc: mediatek: mt6779: Bind clock driver from platform device

Matthias Brugger <[email protected]> 於 2020年5月20日 週三 上午5:26寫道:
>
>
>
> On 19/05/2020 17:10, Chun-Kuang Hu wrote:
> > Hi, Matthias:
> >
> > <[email protected]> 於 2020年5月18日 週一 下午7:33寫道:
> >>
> >> From: Matthias Brugger <[email protected]>
> >>
> >> The mmsys driver is now the top level entry point for the multimedia
> >> system (mmsys), we bind the clock driver by creating a platform device.
> >> We also bind the MediaTek DRM driver which is not yet implement and
> >> therefor will errror out for now.
> >>
> >> Signed-off-by: Matthias Brugger <[email protected]>
> >> ---
> >>
> >> drivers/clk/mediatek/clk-mt6779-mm.c | 9 ++-------
> >> drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
> >> 2 files changed, 10 insertions(+), 7 deletions(-)
> >>
> >> diff --git a/drivers/clk/mediatek/clk-mt6779-mm.c b/drivers/clk/mediatek/clk-mt6779-mm.c
> >> index fb5fbb8e3e41..059c1a41ac7a 100644
> >> --- a/drivers/clk/mediatek/clk-mt6779-mm.c
> >> +++ b/drivers/clk/mediatek/clk-mt6779-mm.c
> >> @@ -84,15 +84,11 @@ static const struct mtk_gate mm_clks[] = {
> >> GATE_MM1(CLK_MM_DISP_OVL_FBDC, "mm_disp_ovl_fbdc", "mm_sel", 16),
> >> };
> >>
> >> -static const struct of_device_id of_match_clk_mt6779_mm[] = {
> >> - { .compatible = "mediatek,mt6779-mmsys", },
> >> - {}
> >> -};
> >> -
> >> static int clk_mt6779_mm_probe(struct platform_device *pdev)
> >> {
> >> + struct device *dev = &pdev->dev;
> >> + struct device_node *node = dev->parent->of_node;
> >> struct clk_onecell_data *clk_data;
> >> - struct device_node *node = pdev->dev.of_node;
> >>
> >> clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
> >>
> >> @@ -106,7 +102,6 @@ static struct platform_driver clk_mt6779_mm_drv = {
> >> .probe = clk_mt6779_mm_probe,
> >> .driver = {
> >> .name = "clk-mt6779-mm",
> >> - .of_match_table = of_match_clk_mt6779_mm,
> >> },
> >> };
> >>
> >> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> >> index fee64c8d3020..dc15808cf3a3 100644
> >> --- a/drivers/soc/mediatek/mtk-mmsys.c
> >> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> >> @@ -88,6 +88,10 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
> >> .clk_driver = "clk-mt2712-mm",
> >> };
> >>
> >> +static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = {
> >> + .clk_driver = "clk-mt6779-mm",
> >
> > This patch looks good to me, but I've one question: why drm driver
> > just use single "mediatek-drm" for sub driver name, but clock driver
> > has different name for each SoC?
> > Could we just use single name for clock driver such as "mediatek-clk-mm"?
>
> Because the DRM for all SoCs are handled in the same driver, while we have a
> different clock drivers for each SoC. So we need to specify which clock driver
> we want to load.
>
> If we want to change that, we would need to refactor heavily the clock drivers
> for all MediaTek SoCs. I don't think it's worth the effort.
>

OK, so for this patch,

Reviewed-by: Chun-Kuang Hu <[email protected]>

> Regards,
> Matthias
>
> >
> > Regards,
> > Chun-Kuang.
> >
> >> +};
> >> +
> >> static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
> >> .clk_driver = "clk-mt6797-mm",
> >> };
> >> @@ -343,6 +347,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
> >> .compatible = "mediatek,mt2712-mmsys",
> >> .data = &mt2712_mmsys_driver_data,
> >> },
> >> + {
> >> + .compatible = "mediatek,mt6779-mmsys",
> >> + .data = &mt6779_mmsys_driver_data,
> >> + },
> >> {
> >> .compatible = "mediatek,mt6797-mmsys",
> >> .data = &mt6797_mmsys_driver_data,
> >> --
> >> 2.26.2
> >>
> >>
> >> _______________________________________________
> >> Linux-mediatek mailing list
> >> [email protected]
> >> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-20 10:16:57

by Stephen Boyd

[permalink] [raw]
Subject: Re: [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from platform device

Quoting [email protected] (2020-05-18 04:31:53)
> From: Matthias Brugger <[email protected]>
>
> The mmsys driver is now the top level entry point for the multimedia
> system (mmsys), we bind the clock driver by creating a platform device.
> We also bind the MediaTek DRM driver which is not yet implement and
> therefor will errror out for now.
>
> Signed-off-by: Matthias Brugger <[email protected]>
> ---

Acked-by: Stephen Boyd <[email protected]>

2020-05-20 10:17:45

by Stephen Boyd

[permalink] [raw]
Subject: Re: [PATCH 3/4] clk/soc: mediatek: mt6779: Bind clock driver from platform device

Quoting [email protected] (2020-05-18 04:31:55)
> From: Matthias Brugger <[email protected]>
>
> The mmsys driver is now the top level entry point for the multimedia
> system (mmsys), we bind the clock driver by creating a platform device.
> We also bind the MediaTek DRM driver which is not yet implement and
> therefor will errror out for now.
>
> Signed-off-by: Matthias Brugger <[email protected]>
> ---

Acked-by: Stephen Boyd <[email protected]>

2020-05-20 10:19:15

by Stephen Boyd

[permalink] [raw]
Subject: Re: [PATCH 2/4] clk/soc: mediatek: mt6797: Bind clock driver from platform device

Quoting [email protected] (2020-05-18 04:31:54)
> From: Matthias Brugger <[email protected]>
>
> The mmsys driver is now the top level entry point for the multimedia
> system (mmsys), we bind the clock driver by creating a platform device.
> We also bind the MediaTek DRM driver which is not yet implement and
> therefor will errror out for now.
>
> Signed-off-by: Matthias Brugger <[email protected]>
> ---

Acked-by: Stephen Boyd <[email protected]>

2020-05-20 10:23:01

by Stephen Boyd

[permalink] [raw]
Subject: Re: [PATCH 3/4] clk/soc: mediatek: mt6779: Bind clock driver from platform device

Quoting [email protected] (2020-05-18 04:31:55)
> From: Matthias Brugger <[email protected]>
>
> The mmsys driver is now the top level entry point for the multimedia
> system (mmsys), we bind the clock driver by creating a platform device.
> We also bind the MediaTek DRM driver which is not yet implement and
> therefor will errror out for now.
>
> Signed-off-by: Matthias Brugger <[email protected]>
> ---

Acked-by: Stephen Boyd <[email protected]>

2020-05-20 10:55:41

by Matthias Brugger

[permalink] [raw]
Subject: Re: [PATCH 2/4] clk/soc: mediatek: mt6797: Bind clock driver from platform device



On 20/05/2020 12:15, Stephen Boyd wrote:
> Quoting [email protected] (2020-05-18 04:31:54)
>> From: Matthias Brugger <[email protected]>
>>
>> The mmsys driver is now the top level entry point for the multimedia
>> system (mmsys), we bind the clock driver by creating a platform device.
>> We also bind the MediaTek DRM driver which is not yet implement and
>> therefor will errror out for now.
>>
>> Signed-off-by: Matthias Brugger <[email protected]>
>> ---
>
> Acked-by: Stephen Boyd <[email protected]>
>

Now queued for v5.7-next/soc

2020-05-20 10:56:59

by Matthias Brugger

[permalink] [raw]
Subject: Re: [PATCH 3/4] clk/soc: mediatek: mt6779: Bind clock driver from platform device



On 20/05/2020 12:15, Stephen Boyd wrote:
> Quoting [email protected] (2020-05-18 04:31:55)
>> From: Matthias Brugger <[email protected]>
>>
>> The mmsys driver is now the top level entry point for the multimedia
>> system (mmsys), we bind the clock driver by creating a platform device.
>> We also bind the MediaTek DRM driver which is not yet implement and
>> therefor will errror out for now.
>>
>> Signed-off-by: Matthias Brugger <[email protected]>
>> ---
>
> Acked-by: Stephen Boyd <[email protected]>
>

Now queued for v5.7-next/soc

2020-05-20 10:57:29

by Matthias Brugger

[permalink] [raw]
Subject: Re: [PATCH 4/4] arm64: dts: mt6797: Fix mmsys node name



On 19/05/2020 17:06, Chun-Kuang Hu wrote:
> Hi, Matthias:
>
> <[email protected]> 於 2020年5月18日 週一 下午7:33寫道:
>>
>> From: Matthias Brugger <[email protected]>
>>
>> Node names are supposed to match the class of the device. The
>> mmsys node is a syscon as it provides more then just a clock controller.
>> Update the name.
>
> Reviewed-by: Chun-Kuang Hu <[email protected]>
>


Now queued for v5.7-next/dts64


>>
>> Signed-off-by: Matthias Brugger <[email protected]>
>>
>> ---
>>
>> arch/arm64/boot/dts/mediatek/mt6797.dtsi | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt6797.dtsi b/arch/arm64/boot/dts/mediatek/mt6797.dtsi
>> index 136ef9527a0d..3efd032481ce 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt6797.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt6797.dtsi
>> @@ -233,7 +233,7 @@ uart3: serial@11005000 {
>> status = "disabled";
>> };
>>
>> - mmsys: mmsys_config@14000000 {
>> + mmsys: syscon@14000000 {
>> compatible = "mediatek,mt6797-mmsys", "syscon";
>> reg = <0 0x14000000 0 0x1000>;
>> #clock-cells = <1>;
>> --
>> 2.26.2
>>
>>
>> _______________________________________________
>> Linux-mediatek mailing list
>> [email protected]
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek

2020-05-20 10:57:59

by Matthias Brugger

[permalink] [raw]
Subject: Re: [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from platform device



On 20/05/2020 12:14, Stephen Boyd wrote:
> Quoting [email protected] (2020-05-18 04:31:53)
>> From: Matthias Brugger <[email protected]>
>>
>> The mmsys driver is now the top level entry point for the multimedia
>> system (mmsys), we bind the clock driver by creating a platform device.
>> We also bind the MediaTek DRM driver which is not yet implement and
>> therefor will errror out for now.
>>
>> Signed-off-by: Matthias Brugger <[email protected]>
>> ---
>
> Acked-by: Stephen Boyd <[email protected]>
>

Now queued for v5.7-next/soc