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| author | Horatiu Vultur <horatiu.vultur@microchip.com> | 2026-05-30 21:53:27 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-17 14:55:46 +0200 |
| commit | 4d8d405b139c7c2fd59cd4d1cc15bea0120c4dc7 (patch) | |
| tree | f9c1095fb1f27466226cb013a4dc03f499a6b03a | |
| parent | 7acd1e983c9c3b8f5749bea497208d5656e23dee (diff) | |
| download | linux-next-4d8d405b139c7c2fd59cd4d1cc15bea0120c4dc7.tar.gz linux-next-4d8d405b139c7c2fd59cd4d1cc15bea0120c4dc7.zip | |
nvmem: lan9662-otp: add support for LAN969x
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 <horatiu.vultur@microchip.com>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20260530205333.117458-9-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/nvmem/Kconfig | 2 | ||||
| -rw-r--r-- | 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); |