From a082e297fa18d96a41ccc308eb31675ffd3a47f8 Mon Sep 17 00:00:00 2001 From: Tejas Bhumkar Date: Mon, 27 May 2024 11:34:13 +0200 Subject: [PATCH] arm64: zynqmp: Disable Tri-state for SDIO Since the zynqmp pinctrl driver now includes support for the tri-state registers, ensure that the pins needing output-enable are correctly configured for SOMs. Currently, there is an issue with the detection of the MMC for the SOM kv260, resulting in the following error: ZynqMP> mmc dev 1 Card did not respond to voltage select! : -110 To address this problem, configure the SDIO pins for output-enable to enable MMC detection. Signed-off-by: Tejas Bhumkar Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/540f83f7d88b80441c9fa3d771dd7b000b0710a4.1716802450.git.michal.simek@amd.com --- arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso | 1 + arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso index d7535a77b45e3..a09909a6f8853 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso @@ -321,6 +321,7 @@ slew-rate = ; power-source = ; bias-disable; + output-enable; }; conf-cd { diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso index a7b8fffad4993..b3b8875f8f7a1 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso @@ -305,6 +305,7 @@ slew-rate = ; power-source = ; bias-disable; + output-enable; }; conf-cd { -- 2.47.2