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[4/4] spi: sun6i: add support for R329 SPI controllers

Message ID BYAPR20MB2472717D5AC20E7702329996BCF79@BYAPR20MB2472.namprd20.prod.outlook.com
State New
Headers show
Series [1/4] dt-bindings: spi: sun6i: add DT bindings for Allwinner R329 SPI | expand

Commit Message

icenowy@outlook.com April 22, 2022, 3:56 p.m. UTC 
From: Icenowy Zheng <icenowy@aosc.io>

R329 has two SPI controllers. One of it is quite similar to previous
ones, but with internal clock divider removed; the other added MIPI DBI
Type-C offload based on the first one.

Add basical support for these controllers. As we're not going to
support the DBI functionality now, just implement the two kinds of
controllers as the same.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 drivers/spi/spi-sun6i.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c
index fc81afc3a963..c4bd8ea31b43 100644
--- a/drivers/spi/spi-sun6i.c
+++ b/drivers/spi/spi-sun6i.c
@@ -716,9 +716,21 @@  static const struct sun6i_spi_cfg sun8i_h3_spi_cfg = {
 	.has_clk_ctl	= true,
 };
 
+static const struct sun6i_spi_cfg sun50i_r329_spi_cfg = {
+	.fifo_depth	= SUN8I_FIFO_DEPTH,
+};
+
 static const struct of_device_id sun6i_spi_match[] = {
 	{ .compatible = "allwinner,sun6i-a31-spi", .data = &sun6i_a31_spi_cfg },
 	{ .compatible = "allwinner,sun8i-h3-spi",  .data = &sun8i_h3_spi_cfg },
+	{
+		.compatible = "allwinner,sun50i-r329-spi",
+		.data = &sun50i_r329_spi_cfg
+	},
+	{
+		.compatible = "allwinner,sun50i-r329-spi-dbi",
+		.data = &sun50i_r329_spi_cfg
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, sun6i_spi_match);