From 6fb003a7a117f97a35b078ba726c84adeae29c4c Mon Sep 17 00:00:00 2001 From: Ansuel Smith Date: Wed, 10 Feb 2021 10:54:19 +0100 Subject: [PATCH 2/2] Documentation: devicetree: mtd: qcom_nandc: document qcom,boot_layout_size binding Document new qcom,boot_layout_size binding used to apply special read/write confituation to boots partitions. Signed-off-by: Ansuel Smith --- Documentation/devicetree/bindings/mtd/qcom_nandc.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt index 5647913d8837..3cf1dd5ebad2 100644 --- a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt +++ b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt @@ -56,6 +56,15 @@ Optional properties: be used according to chip requirement and available OOB size. +EBI2 specific properties: +- nand-is-boot-medium: nand contains boot partitions and different ecc configuration + should be used for these partitions. +- qcom,boot_pages_size: should contain the size of the total boot partitions + where the boot layout read/write specific configuration + should be used. The boot layout is considered from the + start of the nand to the value set in this binding. + Only used in combination with 'nand-is-boot-medium'. + Each nandcs device node may optionally contain a 'partitions' sub-node, which further contains sub-nodes describing the flash partition mapping. See partition.txt for more detail. @@ -84,6 +93,9 @@ nand-controller@1ac00000 { nand-ecc-strength = <4>; nand-bus-width = <8>; + nand-is-boot-medium; + qcom,boot_pages_size: <0x58a0000>; + partitions { compatible = "fixed-partitions"; #address-cells = <1>; -- 2.29.2