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Thu, 04 Sep 2025 19:56:59 -0700 (PDT) Received: from localhost.localdomain ([2401:ce20:10::d4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-329e1c8e07bsm9428588a91.4.2025.09.04.19.56.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Sep 2025 19:56:58 -0700 (PDT) From: WeiHao Li To: heiko@sntech.de, robh@kernel.org Cc: hjc@rock-chips.com, andy.yan@rock-chips.com, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, WeiHao Li Subject: [PATCH v2 1/8] drm/rockchip: dsi: Add support for RK3368 Date: Fri, 5 Sep 2025 10:56:25 +0800 Message-Id: <20250905025632.222422-2-cn.liweihao@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250905025632.222422-1-cn.liweihao@gmail.com> References: <20250905025632.222422-1-cn.liweihao@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250904_195700_225517_84578976 X-CRM114-Status: GOOD ( 12.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org RK3368 has DesignWare MIPI DSI controller and an external inno D-PHY. Signed-off-by: WeiHao Li --- .../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 5523911b9..de8405ee8 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -163,6 +163,11 @@ #define RK3288_DSI0_LCDC_SEL BIT(6) #define RK3288_DSI1_LCDC_SEL BIT(9) +#define RK3368_GRF_SOC_CON7 0x41c +#define RK3368_DSI_FORCETXSTOPMODE (0xf << 7) +#define RK3368_DSI_FORCERXMODE BIT(6) +#define RK3368_DSI_TURNDISABLE BIT(5) + #define RK3399_GRF_SOC_CON20 0x6250 #define RK3399_DSI0_LCDC_SEL BIT(0) #define RK3399_DSI1_LCDC_SEL BIT(4) @@ -1528,6 +1533,18 @@ static const struct rockchip_dw_dsi_chip_data rk3288_chip_data[] = { { /* sentinel */ } }; +static const struct rockchip_dw_dsi_chip_data rk3368_chip_data[] = { + { + .reg = 0xff960000, + .lanecfg1_grf_reg = RK3368_GRF_SOC_CON7, + .lanecfg1 = FIELD_PREP_WM16_CONST((RK3368_DSI_TURNDISABLE | + RK3368_DSI_FORCETXSTOPMODE | + RK3368_DSI_FORCERXMODE), 0), + .max_data_lanes = 4, + }, + { /* sentinel */ } +}; + static int rk3399_dphy_tx1rx1_init(struct phy *phy) { struct dw_mipi_dsi_rockchip *dsi = phy_get_drvdata(phy); @@ -1687,6 +1704,9 @@ static const struct of_device_id dw_mipi_dsi_rockchip_dt_ids[] = { }, { .compatible = "rockchip,rk3288-mipi-dsi", .data = &rk3288_chip_data, + }, { + .compatible = "rockchip,rk3368-mipi-dsi", + .data = &rk3368_chip_data, }, { .compatible = "rockchip,rk3399-mipi-dsi", .data = &rk3399_chip_data, -- 2.39.5