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Tue, 9 Apr 2024 21:21:12 +0300 From: Arseniy Krasnov To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl CC: , , , , , , , Arseniy Krasnov Subject: [PATCH v3 1/2] dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code Date: Tue, 9 Apr 2024 21:10:24 +0300 Message-ID: <20240409181025.55504-2-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20240409181025.55504-1-avkrasnov@salutedevices.com> References: <20240409181025.55504-1-avkrasnov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) To p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 184641 [Apr 09 2024] X-KSMG-AntiSpam-Version: 6.1.0.4 X-KSMG-AntiSpam-Envelope-From: avkrasnov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 16 0.3.16 6e64c33514fcbd07e515710c86ba61de7f56194e, {Tracking_from_domain_doesnt_match_to}, d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;127.0.0.199:7.1.2;100.64.160.123:7.1.2;smtp.sberdevices.ru:7.1.1,5.0.1;salutedevices.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/04/09 14:21:00 #24719986 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240409_112119_285218_E6501569 X-CRM114-Status: GOOD ( 12.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Boot ROM code on Meson requires that some pages on NAND must be written in special mode: "short" ECC mode where each block is 384 bytes and scrambling mode is on. Such pages located with the specified interval within specified offset. Both interval and offset are located in the device tree and used by driver if 'nand-is-boot-medium' is set for NAND chip. Signed-off-by: Arseniy Krasnov --- .../bindings/mtd/amlogic,meson-nand.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml index 57b6957c8415..b86a1953056b 100644 --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml @@ -64,11 +64,25 @@ patternProperties: items: maximum: 0 + amlogic,boot-page-last: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The NFC driver needs this information to select ECC + algorithms supported by the boot ROM. + + amlogic,boot-page-step: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The NFC driver needs this information to select ECC + algorithms supported by the boot ROM (in pages). + unevaluatedProperties: false dependencies: nand-ecc-strength: [nand-ecc-step-size] nand-ecc-step-size: [nand-ecc-strength] + amlogic,boot-page-last: [nand-is-boot-medium, "amlogic,boot-page-step"] + amlogic,boot-page-step: [nand-is-boot-medium, "amlogic,boot-page-last"] required: