* [PATCH v2] arm64: dts: ti: k3-j721s2-main: Enable support for SDR104 speed mode
@ 2023-04-12 12:14 Bhavya Kapoor
2023-06-28 8:20 ` Kumar, Udit
0 siblings, 1 reply; 4+ messages in thread
From: Bhavya Kapoor @ 2023-04-12 12:14 UTC (permalink / raw)
To: linux-kernel, devicetree
Cc: b-kapoor, linux-arm-kernel, krzysztof.kozlowski+dt, robh+dt,
a-govindraju, kishon, kristo, vigneshr, nm
According to TRM for J721S2, SDR104 speed mode is supported by the SoC
but its capabilities were masked in device tree. Remove sdhci-caps-mask
to enable support for SDR104 speed mode for SD card in J721S2 SoC.
[+] Refer to : section 12.3.6.1.1 MMCSD Features, in J721S2 TRM
- https://www.ti.com/lit/zip/spruj28
Fixes: b8545f9d3a54 ("arm64: dts: ti: Add initial support for J721S2 SoC")
Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
---
Changelog v1->v2:
- Modified Commit Message and Added Fixes tag
Link to v1 : https://lore.kernel.org/all/20230404091245.336732-1-b-kapoor@ti.com/
arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 8915132efcc1..95c6151ed10c 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -400,8 +400,6 @@ main_sdhci1: mmc@4fb0000 {
ti,clkbuf-sel = <0x7>;
ti,trm-icp = <0x8>;
dma-coherent;
- /* Masking support for SDR104 capability */
- sdhci-caps-mask = <0x00000003 0x00000000>;
};
main_navss: bus@30000000 {
--
2.34.1
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH v2] arm64: dts: ti: k3-j721s2-main: Enable support for SDR104 speed mode
2023-04-12 12:14 [PATCH v2] arm64: dts: ti: k3-j721s2-main: Enable support for SDR104 speed mode Bhavya Kapoor
@ 2023-06-28 8:20 ` Kumar, Udit
2023-06-28 10:59 ` Nishanth Menon
0 siblings, 1 reply; 4+ messages in thread
From: Kumar, Udit @ 2023-06-28 8:20 UTC (permalink / raw)
To: Bhavya Kapoor, linux-kernel, devicetree
Cc: linux-arm-kernel, krzysztof.kozlowski+dt, robh+dt, kristo,
vigneshr, nm, u-kumar1
On 4/12/2023 5:44 PM, Bhavya Kapoor wrote:
> According to TRM for J721S2, SDR104 speed mode is supported by the SoC
> but its capabilities were masked in device tree. Remove sdhci-caps-mask
> to enable support for SDR104 speed mode for SD card in J721S2 SoC.
>
> [+] Refer to : section 12.3.6.1.1 MMCSD Features, in J721S2 TRM
> - https://www.ti.com/lit/zip/spruj28
>
> Fixes: b8545f9d3a54 ("arm64: dts: ti: Add initial support for J721S2 SoC")
> Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
> ---
> Changelog v1->v2:
> - Modified Commit Message and Added Fixes tag
>
> Link to v1 : https://lore.kernel.org/all/20230404091245.336732-1-b-kapoor@ti.com/
>
> arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> index 8915132efcc1..95c6151ed10c 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> @@ -400,8 +400,6 @@ main_sdhci1: mmc@4fb0000 {
> ti,clkbuf-sel = <0x7>;
> ti,trm-icp = <0x8>;
> dma-coherent;
> - /* Masking support for SDR104 capability */
> - sdhci-caps-mask = <0x00000003 0x00000000>;
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
> };
>
> main_navss: bus@30000000 {
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH v2] arm64: dts: ti: k3-j721s2-main: Enable support for SDR104 speed mode
2023-06-28 8:20 ` Kumar, Udit
@ 2023-06-28 10:59 ` Nishanth Menon
2023-06-29 5:29 ` Bhavya Kapoor
0 siblings, 1 reply; 4+ messages in thread
From: Nishanth Menon @ 2023-06-28 10:59 UTC (permalink / raw)
To: Kumar, Udit
Cc: Bhavya Kapoor, linux-kernel, devicetree, linux-arm-kernel,
krzysztof.kozlowski+dt, robh+dt, kristo, vigneshr
On 13:50-20230628, Kumar, Udit wrote:
>
> On 4/12/2023 5:44 PM, Bhavya Kapoor wrote:
> > According to TRM for J721S2, SDR104 speed mode is supported by the SoC
> > but its capabilities were masked in device tree. Remove sdhci-caps-mask
> > to enable support for SDR104 speed mode for SD card in J721S2 SoC.
> >
> > [+] Refer to : section 12.3.6.1.1 MMCSD Features, in J721S2 TRM
> > - https://www.ti.com/lit/zip/spruj28
> >
> > Fixes: b8545f9d3a54 ("arm64: dts: ti: Add initial support for J721S2 SoC")
> > Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
> > ---
> > Changelog v1->v2:
> > - Modified Commit Message and Added Fixes tag
> >
> > Link to v1 : https://lore.kernel.org/all/20230404091245.336732-1-b-kapoor@ti.com/
> >
> > arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 2 --
> > 1 file changed, 2 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> > index 8915132efcc1..95c6151ed10c 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> > @@ -400,8 +400,6 @@ main_sdhci1: mmc@4fb0000 {
> > ti,clkbuf-sel = <0x7>;
> > ti,trm-icp = <0x8>;
> > dma-coherent;
> > - /* Masking support for SDR104 capability */
> > - sdhci-caps-mask = <0x00000003 0x00000000>;
>
>
> Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Please confirm if there are any changes in *tap-delay attributes.
>
> > };
> > main_navss: bus@30000000 {
--
Regards,
Nishanth Menon
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH v2] arm64: dts: ti: k3-j721s2-main: Enable support for SDR104 speed mode
2023-06-28 10:59 ` Nishanth Menon
@ 2023-06-29 5:29 ` Bhavya Kapoor
0 siblings, 0 replies; 4+ messages in thread
From: Bhavya Kapoor @ 2023-06-29 5:29 UTC (permalink / raw)
To: Nishanth Menon, Kumar, Udit
Cc: linux-kernel, devicetree, linux-arm-kernel,
krzysztof.kozlowski+dt, robh+dt, kristo, vigneshr
On 28/06/23 16:29, Nishanth Menon wrote:
> On 13:50-20230628, Kumar, Udit wrote:
>> On 4/12/2023 5:44 PM, Bhavya Kapoor wrote:
>>> According to TRM for J721S2, SDR104 speed mode is supported by the SoC
>>> but its capabilities were masked in device tree. Remove sdhci-caps-mask
>>> to enable support for SDR104 speed mode for SD card in J721S2 SoC.
>>>
>>> [+] Refer to : section 12.3.6.1.1 MMCSD Features, in J721S2 TRM
>>> - https://www.ti.com/lit/zip/spruj28
>>>
>>> Fixes: b8545f9d3a54 ("arm64: dts: ti: Add initial support for J721S2 SoC")
>>> Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
>>> ---
>>> Changelog v1->v2:
>>> - Modified Commit Message and Added Fixes tag
>>>
>>> Link to v1 : https://lore.kernel.org/all/20230404091245.336732-1-b-kapoor@ti.com/
>>>
>>> arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 2 --
>>> 1 file changed, 2 deletions(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
>>> index 8915132efcc1..95c6151ed10c 100644
>>> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
>>> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
>>> @@ -400,8 +400,6 @@ main_sdhci1: mmc@4fb0000 {
>>> ti,clkbuf-sel = <0x7>;
>>> ti,trm-icp = <0x8>;
>>> dma-coherent;
>>> - /* Masking support for SDR104 capability */
>>> - sdhci-caps-mask = <0x00000003 0x00000000>;
>>
>> Reviewed-by: Udit Kumar <u-kumar1@ti.com>
> Please confirm if there are any changes in *tap-delay attributes.
There is no changes in tap delay values .
>>> };
>>> main_navss: bus@30000000 {
> --
> Regards,
> Nishanth Menon
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2023-06-29 5:30 UTC | newest]
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2023-04-12 12:14 [PATCH v2] arm64: dts: ti: k3-j721s2-main: Enable support for SDR104 speed mode Bhavya Kapoor
2023-06-28 8:20 ` Kumar, Udit
2023-06-28 10:59 ` Nishanth Menon
2023-06-29 5:29 ` Bhavya Kapoor
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