From: Edward Chow <equu@openmail.cc>
To: Rob Herring <robh+dt@kernel.org>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Lech Perczak <lech.perczak@camlingroup.com>,
Edward Chow <equu@openmail.cc>
Subject: [PATCH v2 2/2] dt-bindings: mtd: partitions: Document special values
Date: Fri, 27 Oct 2023 17:46:10 +0800 [thread overview]
Message-ID: <20231027094610.1022114-3-equu@openmail.cc> (raw)
In-Reply-To: <20231027094610.1022114-1-equu@openmail.cc>
Add examples for special values in linux/mtd/partitions.h.
Signed-off-by: Edward Chow <equu@openmail.cc>
---
.../mtd/partitions/fixed-partitions.yaml | 30 +++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
index 331e564f29dc..e7bf466c395f 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
@@ -164,3 +164,33 @@ examples:
read-only;
};
};
+
+ - |
+ #include <dt-bindings/mtd/partitions.h>
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bootloader";
+ reg = <0 0x000000 0x020000>;
+ read-only;
+ };
+
+ firmware@1 {
+ label = "firmware";
+ /* From the end of the last partition, occupying as mush
+ * as possible, retaining 0x010000 after it,
+ * "MTDPART_OFS_SPECIAL MTDPART_OFS_NXTBLK" similar to
+ * this, but always beginning at erase block boundary. */
+ reg = <MTDPART_OFS_SPECIAL MTDPART_OFS_RETAIN 0x010000>;
+ };
+
+ calibration@2 {
+ compatible = "fixed-partitions";
+ label = "calibration";
+ /* Appending to the last partition, occupying 0x010000 */
+ reg = <MTDPART_OFS_SPECIAL MTDPART_OFS_APPEND 0x010000>;
+ };
+ };
--
2.42.0
next prev parent reply other threads:[~2023-10-27 9:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-25 5:29 [PATCH] dt-bindings: mtd-partitions: Export special values Edward Chow
2023-10-25 7:41 ` Miquel Raynal
2023-10-25 8:20 ` Krzysztof Kozlowski
2023-10-25 12:33 ` Rob Herring
2023-10-27 9:46 ` [PATCH v2 0/2] dt-bindings: mtd: partitions: " Edward Chow
2023-10-27 9:46 ` [PATCH v2 1/2] " Edward Chow
2023-10-27 9:46 ` Edward Chow [this message]
2023-10-27 11:06 ` [PATCH v2 2/2] dt-bindings: mtd: partitions: Document " Krzysztof Kozlowski
2023-10-27 12:16 ` Rob Herring
2023-10-27 11:06 ` [PATCH v2 0/2] dt-bindings: mtd: partitions: Export " Krzysztof Kozlowski
2023-10-27 11:07 ` Krzysztof Kozlowski
2023-10-27 12:11 ` Miquel Raynal
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