From 5f715be31638b62de560acab7fdc7ff3d9e01bf9 Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Wed, 9 Aug 2023 19:38:04 -0500 Subject: [PATCH] arm64: dts: ti: k3-j721s2: Enable SDHCI nodes at the board level SDHCI nodes defined in the top-level J721s2 SoC dtsi files are incomplete and will not be functional unless they are extended. As the attached SD/eMMC is only known about at the board integration level, these nodes should only be enabled when provided with this information. Disable the SDHCI nodes in the dtsi files and only enable the ones that are actually pinned out on a given board. Signed-off-by: Andrew Davis Link: https://lore.kernel.org/r/20230810003814.85450-4-afd@ti.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts | 6 +----- arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts | 2 ++ arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 2 ++ 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts index e6e4133..5fd06cd 100644 --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts @@ -475,13 +475,9 @@ }; }; -&main_sdhci0 { - /* Unused */ - status = "disabled"; -}; - &main_sdhci1 { /* SD card */ + status = "okay"; pinctrl-0 = <&main_mmc1_pins_default>; pinctrl-names = "default"; disable-wp; diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts index e81ef8a..7794063 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts @@ -366,6 +366,7 @@ &main_sdhci0 { /* eMMC */ + status = "okay"; non-removable; ti,driver-strength-ohm = <50>; disable-wp; @@ -373,6 +374,7 @@ &main_sdhci1 { /* SD card */ + status = "okay"; pinctrl-0 = <&main_mmc1_pins_default>; pinctrl-names = "default"; disable-wp; diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi index 20548d9..7470f72 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi @@ -737,6 +737,7 @@ mmc-hs200-1_8v; mmc-hs400-1_8v; dma-coherent; + status = "disabled"; }; main_sdhci1: mmc@4fb0000 { @@ -766,6 +767,7 @@ dma-coherent; /* Masking support for SDR104 capability */ sdhci-caps-mask = <0x00000003 0x00000000>; + status = "disabled"; }; main_navss: bus@30000000 { -- 2.7.4