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[213.149.37.146]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-3945cb015f9sm14679631fa.32.2026.05.15.05.00.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2026 05:00:06 -0700 (PDT) From: Robert Marko X-Google-Original-From: Robert Marko To: srini@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev, horatiu.vultur@microchip.com, daniel.machon@microchip.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: luka.perkov@sartura.hr, Robert Marko Subject: [PATCH v3 2/3] nvmem: lan9662-otp: add support for LAN969x Date: Fri, 15 May 2026 13:59:08 +0200 Message-ID: <20260515115954.701155-2-robimarko@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260515115954.701155-1-robimarko@gmail.com> References: <20260515115954.701155-1-robimarko@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260515_050008_834745_41F88474 X-CRM114-Status: GOOD ( 15.20 ) 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 From: Horatiu Vultur Microchip LAN969x provides OTP with the same control logic, only the size differs as LAN969x has 16KB of OTP instead of 8KB like on LAN966x. Signed-off-by: Horatiu Vultur Signed-off-by: Robert Marko --- Changes in v3: * Rebase onto current next-20260508 drivers/nvmem/Kconfig | 2 +- drivers/nvmem/lan9662-otpc.c | 12 +++++++++--- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig index 74ddbd0f79b0..78b648e14727 100644 --- a/drivers/nvmem/Kconfig +++ b/drivers/nvmem/Kconfig @@ -138,7 +138,7 @@ config NVMEM_JZ4780_EFUSE config NVMEM_LAN9662_OTPC tristate "Microchip LAN9662 OTP controller support" - depends on SOC_LAN966 || COMPILE_TEST + depends on SOC_LAN966 || ARCH_LAN969X || COMPILE_TEST depends on HAS_IOMEM help This driver enables the OTP controller available on Microchip LAN9662 diff --git a/drivers/nvmem/lan9662-otpc.c b/drivers/nvmem/lan9662-otpc.c index 56fc19f092a7..62d1d6381bf8 100644 --- a/drivers/nvmem/lan9662-otpc.c +++ b/drivers/nvmem/lan9662-otpc.c @@ -27,7 +27,6 @@ #define OTP_OTP_STATUS_OTP_CPUMPEN BIT(1) #define OTP_OTP_STATUS_OTP_BUSY BIT(0) -#define OTP_MEM_SIZE 8192 #define OTP_SLEEP_US 10 #define OTP_TIMEOUT_US 500000 @@ -176,7 +175,6 @@ static struct nvmem_config otp_config = { .word_size = 1, .reg_read = lan9662_otp_read, .reg_write = lan9662_otp_write, - .size = OTP_MEM_SIZE, }; static int lan9662_otp_probe(struct platform_device *pdev) @@ -196,6 +194,7 @@ static int lan9662_otp_probe(struct platform_device *pdev) otp_config.priv = otp; otp_config.dev = dev; + otp_config.size = (uintptr_t) device_get_match_data(dev); nvmem = devm_nvmem_register(dev, &otp_config); @@ -203,7 +202,14 @@ static int lan9662_otp_probe(struct platform_device *pdev) } static const struct of_device_id lan9662_otp_match[] = { - { .compatible = "microchip,lan9662-otpc", }, + { + .compatible = "microchip,lan9662-otpc", + .data = (const void *) SZ_8K, + }, + { + .compatible = "microchip,lan9691-otpc", + .data = (const void *) SZ_16K, + }, { }, }; MODULE_DEVICE_TABLE(of, lan9662_otp_match); -- 2.54.0