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- From 6fb003a7a117f97a35b078ba726c84adeae29c4c Mon Sep 17 00:00:00 2001
- From: Ansuel Smith <[email protected]>
- 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 <[email protected]>
- ---
- Documentation/devicetree/bindings/mtd/qcom_nandc.txt | 11 +++++++++++
- 1 file changed, 11 insertions(+)
- --- a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
- +++ b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
- @@ -52,6 +52,15 @@ 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.
- @@ -80,6 +89,9 @@ 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>;
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