| Message ID | 20231201082045.790478-4-b-kapoor@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: dts: ti: Add Itap Delay Value For High Speed DDR | expand |
Hi Bhavya, On 12/1/23 2:20 AM, Bhavya Kapoor wrote: > DDR50 speed mode is enabled for MMCSD in J784s4 but its Itap Delay > Value is not present in the device tree. Thus, add Itap Delay Value > for MMCSD High Speed DDR which is DDR50 speed mode for J784s4 SoC > according to datasheet for J784s4. > > [+] Refer to : section 7.10.5.17.2 MMC1/2 - SD/SDIO Interface, in > J784s4 datasheet > - https://www.ti.com/lit/ds/symlink/tda4vh-q1.pdf > Also looks good. (: Reviewed-by: Judith Mendez <jm@ti.com> > Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com> > --- > arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > index d89bcddcfe3d..b9a2358b1459 100644 > --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > @@ -712,6 +712,7 @@ main_sdhci1: mmc@4fb0000 { > ti,itap-del-sel-sd-hs = <0x0>; > ti,itap-del-sel-sdr12 = <0x0>; > ti,itap-del-sel-sdr25 = <0x0>; > + ti,itap-del-sel-ddr50 = <0x2>; > ti,clkbuf-sel = <0x7>; > ti,trm-icp = <0x8>; > dma-coherent; ~ Judith
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi index d89bcddcfe3d..b9a2358b1459 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi @@ -712,6 +712,7 @@ main_sdhci1: mmc@4fb0000 { ti,itap-del-sel-sd-hs = <0x0>; ti,itap-del-sel-sdr12 = <0x0>; ti,itap-del-sel-sdr25 = <0x0>; + ti,itap-del-sel-ddr50 = <0x2>; ti,clkbuf-sel = <0x7>; ti,trm-icp = <0x8>; dma-coherent;
DDR50 speed mode is enabled for MMCSD in J784s4 but its Itap Delay Value is not present in the device tree. Thus, add Itap Delay Value for MMCSD High Speed DDR which is DDR50 speed mode for J784s4 SoC according to datasheet for J784s4. [+] Refer to : section 7.10.5.17.2 MMC1/2 - SD/SDIO Interface, in J784s4 datasheet - https://www.ti.com/lit/ds/symlink/tda4vh-q1.pdf Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com> --- arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 1 + 1 file changed, 1 insertion(+)