Message ID | 20231201082045.790478-3-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 J721s2 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 J721s2 SoC > according to datasheet for J721s2. > > [+] Refer to : section 7.10.5.17.2 MMC1/2 - SD/SDIO Interface, in > J721s2 datasheet > - https://www.ti.com/lit/ds/symlink/tda4vl-q1.pdf > LGTM Reviewed-by: Judith Mendez <jm@ti.com> > Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com> > --- > arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > index b03731b53a26..e1255956288b 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > @@ -766,6 +766,7 @@ 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-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi index b03731b53a26..e1255956288b 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi @@ -766,6 +766,7 @@ 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 J721s2 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 J721s2 SoC according to datasheet for J721s2. [+] Refer to : section 7.10.5.17.2 MMC1/2 - SD/SDIO Interface, in J721s2 datasheet - https://www.ti.com/lit/ds/symlink/tda4vl-q1.pdf Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com> --- arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 1 + 1 file changed, 1 insertion(+)