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-rw-r--r--Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml23
-rw-r--r--Documentation/devicetree/bindings/mtd/renesas-nandc.yaml61
-rw-r--r--Documentation/devicetree/bindings/mtd/ti,gpmc-nand.yaml10
3 files changed, 92 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml b/Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml
index 25b42d68f9b3..64dc9d398d9a 100644
--- a/Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml
@@ -23,13 +23,20 @@ properties:
items:
- enum:
- ti,am3352-gpmc
+ - ti,am64-gpmc
- ti,omap2420-gpmc
- ti,omap2430-gpmc
- ti,omap3430-gpmc
- ti,omap4430-gpmc
reg:
- maxItems: 1
+ minItems: 1
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: cfg
+ - const: data
interrupts:
maxItems: 1
@@ -44,6 +51,9 @@ properties:
items:
- const: fck
+ power-domains:
+ maxItems: 1
+
dmas:
items:
- description: DMA channel for GPMC NAND prefetch
@@ -133,6 +143,17 @@ required:
- "#address-cells"
- "#size-cells"
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: ti,am64-gpmc
+ then:
+ required:
+ - reg-names
+ - power-domains
+
additionalProperties: false
examples:
diff --git a/Documentation/devicetree/bindings/mtd/renesas-nandc.yaml b/Documentation/devicetree/bindings/mtd/renesas-nandc.yaml
new file mode 100644
index 000000000000..2870d36361c4
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/renesas-nandc.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/renesas-nandc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas R-Car Gen3 & RZ/N1x NAND flash controller device tree bindings
+
+maintainers:
+ - Miquel Raynal <miquel.raynal@bootlin.com>
+
+allOf:
+ - $ref: "nand-controller.yaml"
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - renesas,r9a06g032-nandc
+ - const: renesas,rzn1-nandc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: APB host controller clock
+ - description: External NAND bus clock
+
+ clock-names:
+ items:
+ - const: hclk
+ - const: eclk
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/r9a06g032-sysctrl.h>
+
+ nand-controller@40102000 {
+ compatible = "renesas,r9a06g032-nandc", "renesas,rzn1-nandc";
+ reg = <0x40102000 0x2000>;
+ interrupts = <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&sysctrl R9A06G032_HCLK_NAND>, <&sysctrl R9A06G032_CLK_NAND>;
+ clock-names = "hclk", "eclk";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
diff --git a/Documentation/devicetree/bindings/mtd/ti,gpmc-nand.yaml b/Documentation/devicetree/bindings/mtd/ti,gpmc-nand.yaml
index beb26b9bcfb2..4ac198814b7a 100644
--- a/Documentation/devicetree/bindings/mtd/ti,gpmc-nand.yaml
+++ b/Documentation/devicetree/bindings/mtd/ti,gpmc-nand.yaml
@@ -16,7 +16,10 @@ description:
properties:
compatible:
- const: ti,omap2-nand
+ items:
+ - enum:
+ - ti,am64-nand
+ - ti,omap2-nand
reg:
maxItems: 1
@@ -53,6 +56,11 @@ properties:
enum: [8, 16]
default: 8
+ rb-gpios:
+ description:
+ GPIO connection to R/B signal from NAND chip
+ maxItems: 1
+
patternProperties:
"@[0-9a-f]+$":
$ref: "/schemas/mtd/partitions/partition.yaml"