linux-kernel - [PATCH] rtc: mt6359: Add mt6357 support

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Message-Id: <20250428-rtc-mt6357-v1-1-31f673b0a723@baylibre.com>
Date: Mon, 28 Apr 2025 16:29:55 +0200
From: Alexandre Mergnat <amergnat@...libre.com>
To: Eddie Huang <eddie.huang@...iatek.com>, 
 Sean Wang <sean.wang@...iatek.com>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Uwe Kleine-König <u.kleine-koenig@...libre.com>, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Alexandre Mergnat <amergnat@...libre.com>
Subject: [PATCH] rtc: mt6359: Add mt6357 support

The MT6357 PMIC contains the same RTC as MT6358 which allows to add
support for it trivially by just complementing the list of compatibles.

Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
The `arch/arm64/boot/dts/mediatek/mt6357.dtsi` file already contains both
"mediatek,mt6357" and "mediatek,mt6357-rtc" which are documented in the
`Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml` file.

This serie come from another splitted serie [1]

[1]: https://lore.kernel.org/r/20250428-enable-rtc-v4-0-2b2f7e3f9349@baylibre.com
---
 drivers/rtc/rtc-mt6397.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index 6979d225a78e47f73b7652159e73f70c43b4fcde..692c00ff544b22b471b51f115dded9fcea432de3 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -332,6 +332,7 @@ static const struct mtk_rtc_data mt6397_rtc_data = {
 
 static const struct of_device_id mt6397_rtc_of_match[] = {
 	{ .compatible = "mediatek,mt6323-rtc", .data = &mt6397_rtc_data },
+	{ .compatible = "mediatek,mt6357-rtc", .data = &mt6358_rtc_data },
 	{ .compatible = "mediatek,mt6358-rtc", .data = &mt6358_rtc_data },
 	{ .compatible = "mediatek,mt6397-rtc", .data = &mt6397_rtc_data },
 	{ }

---
base-commit: 424dfcd441f035769890e6d1faec2081458627b9
change-id: 20250428-rtc-mt6357-341ad12b48ca

Best regards,
-- 
Alexandre Mergnat <amergnat@...libre.com>