linux-kernel - [PATCH 6/6] drm/msm/dsi: add support for DSI 2.7.0

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Message-Id: <20230103-topic-sm8550-upstream-mdss-dsi-v1-6-9ccd7e652fcd@linaro.org>
Date:   Wed, 04 Jan 2023 10:08:48 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jonathan Marek <jonathan@...ek.ca>
Cc:     linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH 6/6] drm/msm/dsi: add support for DSI 2.7.0

Add support for DSI 2.7.0 (block used on sm8550).

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 drivers/gpu/drm/msm/dsi/dsi_cfg.c | 16 ++++++++++++++++
 drivers/gpu/drm/msm/dsi/dsi_cfg.h |  1 +
 2 files changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
index 59a4cc95a251..33884ebd2f86 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
@@ -181,6 +181,20 @@ static const struct msm_dsi_config sdm845_dsi_cfg = {
 	.num_dsi = 2,
 };
 
+static const struct regulator_bulk_data sm8550_dsi_regulators[] = {
+	{ .supply = "vdda", .init_load_uA = 16800 },	/* 1.2 V */
+};
+
+static const struct msm_dsi_config sm8550_dsi_cfg = {
+	.io_offset = DSI_6G_REG_SHIFT,
+	.regulator_data = sm8550_dsi_regulators,
+	.num_regulators = ARRAY_SIZE(sm8550_dsi_regulators),
+	.bus_clk_names = dsi_sdm845_bus_clk_names,
+	.num_bus_clks = ARRAY_SIZE(dsi_sdm845_bus_clk_names),
+	.io_start = { 0xae94000, 0xae96000 },
+	.num_dsi = 2,
+};
+
 static const struct regulator_bulk_data sc7180_dsi_regulators[] = {
 	{ .supply = "vdda", .init_load_uA = 21800 },	/* 1.2 V */
 };
@@ -302,6 +316,8 @@ static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
 		&sc7280_dsi_cfg, &msm_dsi_6g_v2_host_ops},
 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_6_0,
 		&sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops},
+	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_7_0,
+		&sm8550_dsi_cfg, &msm_dsi_6g_v2_host_ops},
 };
 
 const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
index 95957fab499d..44be4a88aa83 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.h
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
@@ -26,6 +26,7 @@
 #define MSM_DSI_6G_VER_MINOR_V2_4_1	0x20040001
 #define MSM_DSI_6G_VER_MINOR_V2_5_0	0x20050000
 #define MSM_DSI_6G_VER_MINOR_V2_6_0	0x20060000
+#define MSM_DSI_6G_VER_MINOR_V2_7_0	0x20070000
 
 #define MSM_DSI_V2_VER_MINOR_8064	0x0
 

-- 
2.34.1