From b0824ae6a037d96fbc5ae7c2874e6a95f34bbf07 Mon Sep 17 00:00:00 2001 From: Zhihuan He Date: Mon, 11 Apr 2022 10:58:02 +0800 Subject: [PATCH] arm64: dts: rockchip: px30s: reduce LP4 overshoot when ODT off Signed-off-by: Zhihuan He Change-Id: Ibf4ea2c6be203635fd5d4de37ebdd5c9c8aaf352 --- .../boot/dts/rockchip/px30s-dram-default-timing.dtsi | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/px30s-dram-default-timing.dtsi b/arch/arm64/boot/dts/rockchip/px30s-dram-default-timing.dtsi index c0b4f5d4c4ca..aefe70a80786 100644 --- a/arch/arm64/boot/dts/rockchip/px30s-dram-default-timing.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30s-dram-default-timing.dtsi @@ -310,12 +310,12 @@ dram_dll_dis_freq = ; phy_dll_dis_freq = ; /* drv when odt on */ - phy_dq_drv_odten = <35>; + phy_dq_drv_odten = <44>; phy_ca_drv_odten = <38>; phy_clk_drv_odten = <47>; dram_dq_drv_odten = <40>; /* drv when odt off */ - phy_dq_drv_odtoff = <35>; + phy_dq_drv_odtoff = <44>; phy_ca_drv_odtoff = <38>; phy_clk_drv_odtoff = <47>; dram_dq_drv_odtoff = <40>; @@ -328,11 +328,11 @@ dram_dq_odt_en_freq = <800>; phy_odt_en_freq = <800>; /* slew rate when odt enable */ - phy_dq_sr_odten = <0x0>; + phy_dq_sr_odten = <0x7>; phy_ca_sr_odten = <0x1>; phy_clk_sr_odten = <0x1>; /* slew rate when odt disable */ - phy_dq_sr_odtoff = <0x0>; + phy_dq_sr_odtoff = <0x7>; phy_ca_sr_odtoff = <0x1>; phy_clk_sr_odtoff = <0x1>; /* ssmod setting*/ @@ -371,7 +371,7 @@ lp4_dq_vref_odten = <276>; lp4_ca_vref_odten = <380>; /* lp4 vref info when odt disable */ - phy_lp4_dq_vref_odtoff = <340>; + phy_lp4_dq_vref_odtoff = <420>; lp4_dq_vref_odtoff = <420>; lp4_ca_vref_odtoff = <420>; };