linux-kernel - [PATCH 2/2] spi: spi-mt65xx: Add support for MT6991 Dimensity 9400 SPI IPM

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250611110747.458090-2-angelogioacchino.delregno@collabora.com>
Date: Wed, 11 Jun 2025 13:07:47 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: broonie@...nel.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	leilk.liu@...iatek.com,
	linux-spi@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	kernel@...labora.com
Subject: [PATCH 2/2] spi: spi-mt65xx: Add support for MT6991 Dimensity 9400 SPI IPM

Add support for the SPI IPM controller found in the MediaTek
Dimensity 9400 (MT6991) SoC. As a note, this is the same SPI
IPM Controller IP found on the MT8196 Kompanio counterpart.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/spi/spi-mt65xx.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 4b0a1c0db041..a6032d44771b 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -220,6 +220,14 @@ static const struct mtk_spi_compatible mt6893_compat = {
 	.no_need_unprepare = true,
 };
 
+static const struct mtk_spi_compatible mt6991_compat = {
+	.need_pad_sel = true,
+	.must_tx = true,
+	.enhance_timing = true,
+	.dma_ext = true,
+	.ipm_design = true,
+};
+
 /*
  * A piece of default chip info unless the platform
  * supplies it.
@@ -245,6 +253,9 @@ static const struct of_device_id mtk_spi_of_match[] = {
 	{ .compatible = "mediatek,mt6765-spi",
 		.data = (void *)&mt6765_compat,
 	},
+	{ .compatible = "mediatek,mt6991-spi",
+		.data = (void *)&mt6991_compat,
+	},
 	{ .compatible = "mediatek,mt7622-spi",
 		.data = (void *)&mt7622_compat,
 	},
-- 
2.49.0