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arm64: dts: rockchip: px30s: reduce LP4 overshoot when ODT off

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Signed-off-by: Zhihuan He <huan.he@rock-chips.com>
Change-Id: Ibf4ea2c6be203635fd5d4de37ebdd5c9c8aaf352
This commit is contained in:
Zhihuan He
2022-04-11 10:58:02 +08:00
parent d71690c2e8
commit b0824ae6a0
1 changed files with 5 additions and 5 deletions
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10
arch/arm64/boot/dts/rockchip/px30s-dram-default-timing.dtsi
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@ -310,12 +310,12 @@
dram_dll_dis_freq = <IGNORE_THIS>; dram_dll_dis_freq = <IGNORE_THIS>;
phy_dll_dis_freq = <IGNORE_THIS>; phy_dll_dis_freq = <IGNORE_THIS>;
/* drv when odt on */ /* drv when odt on */
phy_dq_drv_odten = <35>; phy_dq_drv_odten = <44>;
phy_ca_drv_odten = <38>; phy_ca_drv_odten = <38>;
phy_clk_drv_odten = <47>; phy_clk_drv_odten = <47>;
dram_dq_drv_odten = <40>; dram_dq_drv_odten = <40>;
/* drv when odt off */ /* drv when odt off */
phy_dq_drv_odtoff = <35>; phy_dq_drv_odtoff = <44>;
phy_ca_drv_odtoff = <38>; phy_ca_drv_odtoff = <38>;
phy_clk_drv_odtoff = <47>; phy_clk_drv_odtoff = <47>;
dram_dq_drv_odtoff = <40>; dram_dq_drv_odtoff = <40>;
@ -328,11 +328,11 @@
dram_dq_odt_en_freq = <800>; dram_dq_odt_en_freq = <800>;
phy_odt_en_freq = <800>; phy_odt_en_freq = <800>;
/* slew rate when odt enable */ /* slew rate when odt enable */
phy_dq_sr_odten = <0x0>; phy_dq_sr_odten = <0x7>;
phy_ca_sr_odten = <0x1>; phy_ca_sr_odten = <0x1>;
phy_clk_sr_odten = <0x1>; phy_clk_sr_odten = <0x1>;
/* slew rate when odt disable */ /* slew rate when odt disable */
phy_dq_sr_odtoff = <0x0>; phy_dq_sr_odtoff = <0x7>;
phy_ca_sr_odtoff = <0x1>; phy_ca_sr_odtoff = <0x1>;
phy_clk_sr_odtoff = <0x1>; phy_clk_sr_odtoff = <0x1>;
/* ssmod setting*/ /* ssmod setting*/
@ -371,7 +371,7 @@
lp4_dq_vref_odten = <276>; lp4_dq_vref_odten = <276>;
lp4_ca_vref_odten = <380>; lp4_ca_vref_odten = <380>;
/* lp4 vref info when odt disable */ /* lp4 vref info when odt disable */
phy_lp4_dq_vref_odtoff = <340>; phy_lp4_dq_vref_odtoff = <420>;
lp4_dq_vref_odtoff = <420>; lp4_dq_vref_odtoff = <420>;
lp4_ca_vref_odtoff = <420>; lp4_ca_vref_odtoff = <420>;
}; };