* [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values
@ 2020-01-09 8:51 Faiz Abbas
2020-01-17 8:08 ` Tero Kristo
0 siblings, 1 reply; 4+ messages in thread
From: Faiz Abbas @ 2020-01-09 8:51 UTC (permalink / raw)
To: linux-kernel, devicetree, linux-arm-kernel
Cc: mark.rutland, nm, robh+dt, t-kristo, faiz_abbas
According to the latest AM65x Data Manual[1], a different output tap
delay value is optimum for a given speed mode. Update these values.
[1] http://www.ti.com/lit/gpn/am6526
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
---
This patch depends on my two kernel series posted here:
https://patchwork.kernel.org/project/linux-mmc/list/?series=225425
https://patchwork.kernel.org/project/linux-mmc/list/?series=225459
arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index efb24579922c..c8d812fdfa0a 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -253,7 +253,17 @@
interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
- ti,otap-del-sel = <0x2>;
+ ti,otap-del-sel-legacy = <0x0>;
+ ti,otap-del-sel-mmc-hs = <0x0>;
+ ti,otap-del-sel-sd-hs = <0x0>;
+ ti,otap-del-sel-sdr12 = <0x0>;
+ ti,otap-del-sel-sdr25 = <0x0>;
+ ti,otap-del-sel-sdr50 = <0x8>;
+ ti,otap-del-sel-sdr104 = <0x5>;
+ ti,otap-del-sel-ddr50 = <0x5>;
+ ti,otap-del-sel-ddr52 = <0x5>;
+ ti,otap-del-sel-hs200 = <0x5>;
+ ti,otap-del-sel-hs400 = <0x0>;
ti,trm-icp = <0x8>;
dma-coherent;
};
--
2.19.2
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values
2020-01-09 8:51 [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values Faiz Abbas
@ 2020-01-17 8:08 ` Tero Kristo
2020-03-09 7:11 ` Faiz Abbas
0 siblings, 1 reply; 4+ messages in thread
From: Tero Kristo @ 2020-01-17 8:08 UTC (permalink / raw)
To: Faiz Abbas, linux-kernel, devicetree, linux-arm-kernel
Cc: mark.rutland, nm, robh+dt
On 09/01/2020 10:51, Faiz Abbas wrote:
> According to the latest AM65x Data Manual[1], a different output tap
> delay value is optimum for a given speed mode. Update these values.
>
> [1] http://www.ti.com/lit/gpn/am6526
>
> Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
I believe this patch is going to be updated, as the dt binding has
received comments. As such, going to ignore this for now.
-Tero
> ---
>
> This patch depends on my two kernel series posted here:
> https://patchwork.kernel.org/project/linux-mmc/list/?series=225425
> https://patchwork.kernel.org/project/linux-mmc/list/?series=225459
>
> arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index efb24579922c..c8d812fdfa0a 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -253,7 +253,17 @@
> interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
> mmc-ddr-1_8v;
> mmc-hs200-1_8v;
> - ti,otap-del-sel = <0x2>;
> + ti,otap-del-sel-legacy = <0x0>;
> + ti,otap-del-sel-mmc-hs = <0x0>;
> + ti,otap-del-sel-sd-hs = <0x0>;
> + ti,otap-del-sel-sdr12 = <0x0>;
> + ti,otap-del-sel-sdr25 = <0x0>;
> + ti,otap-del-sel-sdr50 = <0x8>;
> + ti,otap-del-sel-sdr104 = <0x5>;
> + ti,otap-del-sel-ddr50 = <0x5>;
> + ti,otap-del-sel-ddr52 = <0x5>;
> + ti,otap-del-sel-hs200 = <0x5>;
> + ti,otap-del-sel-hs400 = <0x0>;
> ti,trm-icp = <0x8>;
> dma-coherent;
> };
>
--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values
2020-01-17 8:08 ` Tero Kristo
@ 2020-03-09 7:11 ` Faiz Abbas
2020-03-17 12:01 ` Tero Kristo
0 siblings, 1 reply; 4+ messages in thread
From: Faiz Abbas @ 2020-03-09 7:11 UTC (permalink / raw)
To: Tero Kristo, linux-kernel, devicetree, linux-arm-kernel
Cc: mark.rutland, nm, robh+dt
Tero,
On 17/01/20 1:38 pm, Tero Kristo wrote:
> On 09/01/2020 10:51, Faiz Abbas wrote:
>> According to the latest AM65x Data Manual[1], a different output tap
>> delay value is optimum for a given speed mode. Update these values.
>>
>> [1] http://www.ti.com/lit/gpn/am6526
>>
>> Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
>
> I believe this patch is going to be updated, as the dt binding has
> received comments. As such, going to ignore this for now.
>
Those other series are merged now so you should be able to pick this up.
Thanks,
Faiz
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values
2020-03-09 7:11 ` Faiz Abbas
@ 2020-03-17 12:01 ` Tero Kristo
0 siblings, 0 replies; 4+ messages in thread
From: Tero Kristo @ 2020-03-17 12:01 UTC (permalink / raw)
To: Faiz Abbas, linux-kernel, devicetree, linux-arm-kernel
Cc: mark.rutland, nm, robh+dt
On 09/03/2020 09:11, Faiz Abbas wrote:
> Tero,
>
> On 17/01/20 1:38 pm, Tero Kristo wrote:
>> On 09/01/2020 10:51, Faiz Abbas wrote:
>>> According to the latest AM65x Data Manual[1], a different output tap
>>> delay value is optimum for a given speed mode. Update these values.
>>>
>>> [1] http://www.ti.com/lit/gpn/am6526
>>>
>>> Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
>>
>> I believe this patch is going to be updated, as the dt binding has
>> received comments. As such, going to ignore this for now.
>>
>
> Those other series are merged now so you should be able to pick this up.
There were no changes to the DT binding?
Can you resend the DTS patch, and refer to the merged dt-binding? I
deleted the whole series from my inbox already based on above.
-Tero
--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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^ permalink raw reply [flat|nested] 4+ messages in thread
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2020-01-09 8:51 [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values Faiz Abbas
2020-01-17 8:08 ` Tero Kristo
2020-03-09 7:11 ` Faiz Abbas
2020-03-17 12:01 ` Tero Kristo
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