From c920a6caba68196f48f8ee57cc193e396f941011 Mon Sep 17 00:00:00 2001 From: Roger Quadros Date: Tue, 2 Aug 2022 13:44:56 +0300 Subject: [PATCH] arm64: dts: ti: k3-am64-main: Add ELM (Error Location Module) node The ELM module is used for GPMC NAND accesses for detecting and correcting errors during reads due to NAND bitflips errors. 4-, 8-, and 16-bit error-correction levels are supported using the BCH (Bose-ChaudhurI-Hocquenghem) algorithm. Signed-off-by: Roger Quadros Signed-off-by: Vignesh Raghavendra Reviewed-by: Bryan Brattlof Link: https://lore.kernel.org/r/20220802104456.11069-3-rogerq@kernel.org --- arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 9 +++++++++ arch/arm64/boot/dts/ti/k3-am642-evm.dts | 4 ++++ arch/arm64/boot/dts/ti/k3-am642-sk.dts | 4 ++++ 3 files changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi index 14238ba..d6aa236 100644 --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi @@ -1347,4 +1347,13 @@ gpio-controller; #gpio-cells = <2>; }; + + elm0: ecc@25010000 { + compatible = "ti,am64-elm"; + reg = <0x00 0x25010000 0x00 0x2000>; + interrupts = ; + power-domains = <&k3_pds 54 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 54 0>; + clock-names = "fck"; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index eaaedd5..5cf9138 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -680,3 +680,7 @@ &gpmc0 { status = "disabled"; }; + +&elm0 { + status = "disabled"; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 360c177..57c3951 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -611,3 +611,7 @@ &gpmc0 { status = "disabled"; }; + +&elm0 { + status = "disabled"; +}; -- 2.7.4