From 752432e40e8f0d02d0af07cce2d6d4b250be11ef Mon Sep 17 00:00:00 2001 From: Shaik Sajida Bhanu Date: Mon, 16 Aug 2021 22:20:50 +0530 Subject: [PATCH] arm64: dts: qcom: sc7180: Use maximum drive strength values for eMMC The current drive strength values are not sufficient on non discrete boards and this leads to CRC errors during switching to HS400 enhanced strobe mode. Hardware simulation results on non discrete boards shows up that use the maximum drive strength values for data and command lines could helps in avoiding these CRC errors. So, update data and command line drive strength values to maximum. Signed-off-by: Shaik Sajida Bhanu Reviewed-by: Douglas Anderson Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/1629132650-26277-1-git-send-email-sbhanu@codeaurora.org --- arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 6a216e17b96a..8685931553b3 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -1513,13 +1513,13 @@ ap_spi_fp: &spi10 { pinconf-cmd { pins = "sdc1_cmd"; bias-pull-up; - drive-strength = <10>; + drive-strength = <16>; }; pinconf-data { pins = "sdc1_data"; bias-pull-up; - drive-strength = <10>; + drive-strength = <16>; }; pinconf-rclk { -- 2.11.0