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[v3,4/5] spi: sun6i: add support for R329/D1/R528/T113s SPI controllers

Message ID 20230506232616.1792109-5-bigunclemax@gmail.com
State Accepted
Commit 046484cb214b43dc4463343e8c49133d9edb5454
Headers show
Series Allwinner R329/D1/R528/T113s SPI support | expand

Commit Message

Maksim Kiselev May 6, 2023, 11:26 p.m. UTC 
These SoCs 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.

Co-developed-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
---
 drivers/spi/spi-sun6i.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c
index 1e9e9a8159d9..292fd6101283 100644
--- a/drivers/spi/spi-sun6i.c
+++ b/drivers/spi/spi-sun6i.c
@@ -739,9 +739,17 @@  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
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, sun6i_spi_match);