target/linux/generic/pending-6.6/450-12-dt-bindings-mmc-mmc-card-add-block-device-nodes.patch

   1 From 86864bf8f40e84dc881c197ef470a88668329dbf Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Mon, 7 Aug 2023 21:21:45 +0100
   4 Subject: [PATCH 12/15] dt-bindings: mmc: mmc-card: add block device nodes
   5
   6 Add nodes representing the block devices exposed by an MMC device
   7 including an example involving nvmem-cells.
   8
   9 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  10 ---
  11  .../devicetree/bindings/mmc/mmc-card.yaml     | 45 +++++++++++++++++++
  12  1 file changed, 45 insertions(+)
  13
  14 --- a/Documentation/devicetree/bindings/mmc/mmc-card.yaml
  15 +++ b/Documentation/devicetree/bindings/mmc/mmc-card.yaml
  16 @@ -26,6 +26,18 @@ properties:
  17        Use this to indicate that the mmc-card has a broken hpi
  18        implementation, and that hpi should not be used.
  19
  20 +  block:
  21 +    $ref: /schemas/block/block-device.yaml#
  22 +    description:
  23 +      Represents the block storage provided by an SD card or the
  24 +      main hardware partition of an eMMC.
  25 +
  26 +patternProperties:
  27 +  '^boot[0-9]+':
  28 +    $ref: /schemas/block/block-device.yaml#
  29 +    description:
  30 +      Represents a boot hardware partition on an eMMC.
  31 +
  32  required:
  33    - compatible
  34    - reg
  35 @@ -42,6 +54,39 @@ examples:
  36              compatible = "mmc-card";
  37              reg = <0>;
  38              broken-hpi;
  39 +
  40 +            block {
  41 +                partitions {
  42 +                    cal_data: block-partition-rf {
  43 +                        partnum = <3>;
  44 +                        partname = "rf";
  45 +
  46 +                        nvmem-layout {
  47 +                            compatible = "fixed-layout";
  48 +                            #address-cells = <1>;
  49 +                            #size-cells = <1>;
  50 +
  51 +                            eeprom@0 {
  52 +                                reg = <0x0 0x1000>;
  53 +                            };
  54 +                        };
  55 +                    };
  56 +                };
  57 +            };
  58 +
  59 +            boot1 {
  60 +                nvmem-layout {
  61 +                    compatible = "fixed-layout";
  62 +                    #address-cells = <1>;
  63 +                    #size-cells = <1>;
  64 +
  65 +                    macaddr: macaddr@a {
  66 +                        compatible = "mac-base";
  67 +                        reg = <0xa 0x6>;
  68 +                        #nvmem-cell-cells = <1>;
  69 +                    };
  70 +                };
  71 +            };
  72          };
  73      };
  74