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 <[email protected]>
---
v3: Updated values to the latest data manual revision
v2: Updated to the latest mainline kernel
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 11887c72f23a..056130a126f9 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -244,7 +244,17 @@
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 = <0x7>;
+ 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;
};
--
2.17.1
Hi,
On 19/05/20 1:50 pm, 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 <[email protected]>
> ---
>
> v3: Updated values to the latest data manual revision
>
> v2: Updated to the latest mainline kernel
>
Can this patch be picked up?
Thanks,
Faiz
On 19/05/2020 11:20, 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 <[email protected]>
Queued up for 5.9, thanks.
-Tero
> ---
>
> v3: Updated values to the latest data manual revision
>
> v2: Updated to the latest mainline kernel
>
> 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 11887c72f23a..056130a126f9 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -244,7 +244,17 @@
> 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 = <0x7>;
> + 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;
> };
>
--
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