From 7822063a0a45bd7635955a1ae09a7d79e603e89d Mon Sep 17 00:00:00 2001 From: Zorro Liu Date: Mon, 29 Oct 2018 15:48:58 +0800 Subject: [PATCH] arm64: dts: rockchip: Change the drive strength of i2c pins to 2ma for rk3399pro-npu Change-Id: I8be4134da1e6dab1f664d9f7c4e8f79f2a80b4e0 Signed-off-by: Zorro Liu --- arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi b/arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi index 9411d5f8685c..415c54474cfe 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi @@ -511,6 +511,12 @@ input-schmitt-enable; }; + pcfg_pull_none_2ma_smt: pcfg-pull-none-2ma-smt { + bias-disable; + drive-strength = <2>; + input-schmitt-enable; + }; + pcfg_output_high: pcfg-output-high { output-high; }; @@ -524,9 +530,9 @@ i2c0_xfer: i2c0-xfer { rockchip,pins = /* i2c0_sda */ - <0 RK_PB1 1 &pcfg_pull_none_smt>, + <0 RK_PB1 1 &pcfg_pull_none_2ma_smt>, /* i2c0_scl */ - <0 RK_PB0 1 &pcfg_pull_none_smt>; + <0 RK_PB0 1 &pcfg_pull_none_2ma_smt>; }; }; @@ -534,9 +540,9 @@ i2c1_xfer: i2c1-xfer { rockchip,pins = /* i2c1_sda */ - <0 RK_PC1 1 &pcfg_pull_none_smt>, + <0 RK_PC1 1 &pcfg_pull_none_2ma_smt>, /* i2c1_scl */ - <0 RK_PC0 1 &pcfg_pull_none_smt>; + <0 RK_PC0 1 &pcfg_pull_none_2ma_smt>; }; };