refactor devicetree binding support for JESD216 devices

boards/arm/adafruit_feather_stm32f405/adafruit_feather_stm32f405.dts

@@ -59,7 +59,6 @@
 		reg = <0>;
 		spi-max-frequency = <80000000>;
 		size = <0x200000>;
-		has-be32k;
 		has-dpd;
 		t-enter-dpd = <20000>;
 		t-exit-dpd = <100000>;

boards/arm/black_f407ve/black_f407ve.dts

@@ -112,7 +112,6 @@
 		t-enter-dpd = <4000>;
 		t-exit-dpd = <25000>;
 		jedec-id = [ef 40 15];
-		has-be32k;
 	};
 };
 

boards/arm/circuitdojo_feather_nrf9160/circuitdojo_feather_nrf9160_common.dts

@@ -143,7 +143,6 @@
 		t-enter-dpd = <4000>;
 		t-exit-dpd = <25000>;
 		jedec-id = [ef 40 15];
-		has-be32k;
 	};
 };
 

boards/arm/efr32_radio/efr32_radio.dtsi

@@ -77,7 +77,6 @@
 		reg = <0>;
 		spi-max-frequency = <33000000>;
 		size = <0x800000>;
-		has-be32k;
 		jedec-id = [c2 28 14];
 	};
 };

boards/arm/frdm_k82f/frdm_k82f.dts

@@ -198,7 +198,6 @@
 		wp-gpios = <&gpioe 3 0>;
 		reset-gpios = <&gpioe 0 0>;
 		size = <0x2000000>;
-		has-be32k;
 		jedec-id = [c2 25 36];
 	};
 };

boards/arm/pinnacle_100_dvk/pinnacle_100_dvk.dts

@@ -169,7 +169,6 @@
 		label = "MX25R64";
 		jedec-id = [c2 28 17];
 		size = <67108864>;
-		has-be32k;
 		has-dpd;
 		t-enter-dpd = <10000>;
 		t-exit-dpd = <35000>;

boards/riscv/rv32m1_vega/rv32m1_vega.dtsi

@@ -145,7 +145,6 @@ arduino_spi: &lpspi0 {
 		label = "MX25R32";
 		jedec-id = [c2 28 16];
 		size = <33554432>;
-		has-be32k;
 	};
 };
 

dts/bindings/mtd/jedec,jesd216.yaml

@@ -0,0 +1,45 @@
+# Copyright (c) 2018 Peter Bigot Consulting, LLC
+# Copyright (c) 2019-2020 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+# Common properties used by nodes describing serial flash devices that
+# are compatible with the JESD216 Serial Flash Discoverable Parameters
+# specification.
+#
+# This allows encoding the entire BFP block in devicetree to avoid
+# reading at runtime, while still allowing the driver to pull out extra
+# data of interest, such as erase sizes.
+#
+# Alternatively the BFP block can be absent, but critical fields like
+# size can be provided directly along with the JEDEC ID of the expected
+# device to verify its presence at runtime.
+#
+# Only properties supported by parameter tables documented in the
+# JESD216 standards should be listed in this binding include file.
+
+properties:
+  jedec-id:
+    type: uint8-array
+    required: false
+    description: JEDEC ID as manufacturer ID, memory type, memory density
+
+  size:
+    type: int
+    required: false
+    description: flash capacity in bits
+
+  sfdp-bfp:
+    type: uint8-array
+    required: false
+    description: |
+      Contains the 32-bit words in little-endian byte order from the
+      JESD216 Serial Flash Discoverable Parameters Basic Flash
+      Parameters table.  This provides flash-specific configuration
+      information in cases were runtime retrieval of SFDP data
+      is not desired.
+
+  has-be32k:
+    type: boolean
+    required: false
+    deprecated: true
+    description: Not used after Zephyr 2.3.0

dts/bindings/mtd/jedec,spi-nor-common.yaml

@@ -3,28 +3,17 @@
 # SPDX-License-Identifier: Apache-2.0
 
 # Common properties used by nodes describing M25P80-compatible SPI NOR
-# serial flash devices.
+# serial flash devices, regardless of which Zephyr driver is being used.
+#
+# This extends JESD216-defined features with additional functionality
+# that may be specific to the vendor of a M25P80-compatible device and
+# only supported in certain drivers.  Any information that can be
+# obtained from standardized SFDP parameter blocks should be in
+# jedec,jesd216.yaml instead.
 
-properties:
-  jedec-id:
-    type: uint8-array
-    required: false
-    description: JEDEC ID as manufacturer ID, memory type, memory density
-
-  sfdp-bfp:
-    type: uint8-array
-    required: false
-    description: |
-      Contains the 32-bit words in little-endian byte order from the
-      JESD216 Serial Flash Discoverable Parameters Basic Flash
-      Parameters table.  This provides flash-specific configuration
-      information in cases were runtime configuration is not desired.
-
-  has-be32k:
-    type: boolean
-    required: false
-    description: Not used after Zephyr 2.3.0
+include: "jedec,jesd216.yaml"
 
+properties:
   requires-ulbpr:
     type: boolean
     required: false
@@ -89,8 +78,3 @@ properties:
       deep power down and be ready to receive additional commands.
 
       If not provided the driver does not enforce a delay.
-
-  size:
-    type: int
-    required: false
-    description: flash capacity in bits

samples/drivers/jesd216/boards/nrf52840dk_nrf52840.overlay

@@ -29,7 +29,6 @@
 		];
 
 		size = <67108864>;
-		has-be32k;
 		has-dpd;
 		t-enter-dpd = <10000>;
 		dpd-wakeup-sequence = <30000 20 45000>;

tests/drivers/build_all/spi.dtsi

@@ -138,7 +138,6 @@ test_spi_spi_nor: spi-nor@d {
 	hold-gpios = <&test_gpio 0 0>;
 	reset-gpios = <&test_gpio 0 0>;
 	jedec-id = [];
-	/* has-be32k; */
 	/* requires-ulbpr; */
 	/* has-dpd; */
 	size = <0>;