4  * SPDX-License-Identifier:	GPL-2.0+
11 #include <panel.h>
19 #include <dt-bindings/clock/rk3288-cru.h>
20 #include <dt-bindings/video/rk3288.h>
25  * struct rk_lvds_priv - private rockchip lvds display driver info
29  * @panel: Panel device that is used in driver
38 	struct udevice *panel;  member
46 	writel(val, lvds->regs + offset);  in lvds_writel()
48 	writel(val, lvds->regs + offset + 0x100);  in lvds_writel()
59 	ret = panel_enable_backlight(priv->panel);  in rk_lvds_enable()
66 	if (uc_plat->source_id)  in rk_lvds_enable()
71 	rk_setreg(&priv->grf->soc_con6, val);  in rk_lvds_enable()
74 	val = priv->format;  in rk_lvds_enable()
75 	if (priv->output == LVDS_OUTPUT_DUAL)  in rk_lvds_enable()
77 	else if (priv->output == LVDS_OUTPUT_SINGLE)  in rk_lvds_enable()
79 	else if (priv->output == LVDS_OUTPUT_RGB)  in rk_lvds_enable()
82 	rk_setreg(&priv->grf->soc_con7, val);  in rk_lvds_enable()
85 	if (priv->output == LVDS_OUTPUT_RGB) {  in rk_lvds_enable()
154 	       priv->regs + RK3288_LVDS_CFG_REGC);  in rk_lvds_enable()
157 	       priv->regs + RK3288_LVDS_CFG_REG21);  in rk_lvds_enable()
162 int rk_lvds_read_timing(struct udevice *dev, struct display_timing *timing)  in rk_lvds_read_timing()  argument
165 	    (gd->fdt_blob, dev_of_offset(dev), 0, timing)) {  in rk_lvds_read_timing()
166 		debug("%s: Failed to decode display timing\n", __func__);  in rk_lvds_read_timing()
167 		return -EINVAL;  in rk_lvds_read_timing()
176 	const void *blob = gd->fdt_blob;  in rk_lvds_ofdata_to_platdata()
179 	priv->regs = (void *)devfdt_get_addr(dev);  in rk_lvds_ofdata_to_platdata()
180 	priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);  in rk_lvds_ofdata_to_platdata()
182 	ret = fdtdec_get_int(blob, node, "rockchip,output", -1);  in rk_lvds_ofdata_to_platdata()
183 	if (ret != -1) {  in rk_lvds_ofdata_to_platdata()
184 		priv->output = ret;  in rk_lvds_ofdata_to_platdata()
188 		priv->output = LVDS_OUTPUT_RGB;  in rk_lvds_ofdata_to_platdata()
191 	ret = fdtdec_get_int(blob, node, "rockchip,data-mapping", -1);  in rk_lvds_ofdata_to_platdata()
192 	if (ret != -1) {  in rk_lvds_ofdata_to_platdata()
193 		priv->format = ret;  in rk_lvds_ofdata_to_platdata()
194 		debug("LVDS data-mapping : %d\n", ret);  in rk_lvds_ofdata_to_platdata()
197 		priv->format = LVDS_FORMAT_JEIDA;  in rk_lvds_ofdata_to_platdata()
200 	ret = fdtdec_get_int(blob, node, "rockchip,data-width", -1);  in rk_lvds_ofdata_to_platdata()
201 	if (ret != -1) {  in rk_lvds_ofdata_to_platdata()
202 		debug("LVDS data-width : %d\n", ret);  in rk_lvds_ofdata_to_platdata()
204 			priv->format |= LVDS_24BIT;  in rk_lvds_ofdata_to_platdata()
206 			priv->format |= LVDS_18BIT;  in rk_lvds_ofdata_to_platdata()
208 			debug("rockchip-lvds unsupport data-width[%d]\n", ret);  in rk_lvds_ofdata_to_platdata()
209 			ret = -EINVAL;  in rk_lvds_ofdata_to_platdata()
213 		priv->format |= LVDS_24BIT;  in rk_lvds_ofdata_to_platdata()
224 	ret = uclass_get_device_by_phandle(UCLASS_PANEL, dev, "rockchip,panel",  in rk_lvds_probe()
225 					   &priv->panel);  in rk_lvds_probe()
227 		debug("%s: Cannot find panel for '%s' (ret=%d)\n", __func__,  in rk_lvds_probe()
228 		      dev->name, ret);  in rk_lvds_probe()
241 	{.compatible = "rockchip,rk3288-lvds"},