[v2] rtc: pm8xxx: add support for setting time using nvmem

[PATCH v2 18/22] arm64: defconfig: enable Qualcomm SDAM nvmem driver

Posted by Johan Hovold 2 years, 7 months ago

The SDAM nvmem driver can be used to access the Shared Direct Access
Memory Module registers in some Qualcomm PMICs.

These registers can specifically be used to store a time offset on
platforms where the PMIC RTC time registers are read-only in order to
allow the RTC time to be updated.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index a17cbdac1904..b3f714ff4006 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -1308,6 +1308,7 @@ CONFIG_NVMEM_MTK_EFUSE=y
 CONFIG_NVMEM_QCOM_QFPROM=y
 CONFIG_NVMEM_ROCKCHIP_EFUSE=y
 CONFIG_NVMEM_SNVS_LPGPR=y
+CONFIG_NVMEM_SPMI_SDAM=m
 CONFIG_NVMEM_SUNXI_SID=y
 CONFIG_NVMEM_UNIPHIER_EFUSE=y
 CONFIG_NVMEM_MESON_EFUSE=m
-- 
2.39.1

Re: [PATCH v2 18/22] arm64: defconfig: enable Qualcomm SDAM nvmem driver

Posted by Krzysztof Kozlowski 2 years, 7 months ago

On 02/02/2023 16:54, Johan Hovold wrote:
> The SDAM nvmem driver can be used to access the Shared Direct Access
> Memory Module registers in some Qualcomm PMICs.
> 
> These registers can specifically be used to store a time offset on
> platforms where the PMIC RTC time registers are read-only in order to
> allow the RTC time to be updated.


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof