linux-kernel - [PATCH v2 4/4] drm/sun4i: dsi: Add the A100 variant

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Message-Id: <20221107053552.2330-5-samuel@sholland.org>
Date:   Sun,  6 Nov 2022 23:35:52 -0600
From:   Samuel Holland <samuel@...lland.org>
To:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Maxime Ripard <mripard@...nel.org>
Cc:     Samuel Holland <samuel@...lland.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...ts.linux.dev
Subject: [PATCH v2 4/4] drm/sun4i: dsi: Add the A100 variant

The A100 variant of the MIPI DSI controller now gets its module clock
from the TCON via the TCON TOP, so the clock rate cannot be set to a
fixed value. Otherwise, it appears to be the same as the A31 variant.

Reviewed-by: Jernej Skrabec <jernej.skrabec@...il.com>
Signed-off-by: Samuel Holland <samuel@...lland.org>
---

(no changes since v1)

 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index f22c96cc8408..760ff05eabf4 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -1223,6 +1223,10 @@ static const struct sun6i_dsi_variant sun6i_a31_mipi_dsi_variant = {
 static const struct sun6i_dsi_variant sun50i_a64_mipi_dsi_variant = {
 };
 
+static const struct sun6i_dsi_variant sun50i_a100_mipi_dsi_variant = {
+	.has_mod_clk	= true,
+};
+
 static const struct of_device_id sun6i_dsi_of_table[] = {
 	{
 		.compatible	= "allwinner,sun6i-a31-mipi-dsi",
@@ -1232,6 +1236,10 @@ static const struct of_device_id sun6i_dsi_of_table[] = {
 		.compatible	= "allwinner,sun50i-a64-mipi-dsi",
 		.data		= &sun50i_a64_mipi_dsi_variant,
 	},
+	{
+		.compatible	= "allwinner,sun50i-a100-mipi-dsi",
+		.data		= &sun50i_a100_mipi_dsi_variant,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sun6i_dsi_of_table);
-- 
2.37.3