1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 2ca562b63SPhilipp Tomsich /* 3ca562b63SPhilipp Tomsich * Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH 4ca562b63SPhilipp Tomsich */ 5ca562b63SPhilipp Tomsich 6ca562b63SPhilipp Tomsich #include <common.h> 7ca562b63SPhilipp Tomsich #include <clk.h> 8ca562b63SPhilipp Tomsich #include <display.h> 9ca562b63SPhilipp Tomsich #include <dm.h> 10ca562b63SPhilipp Tomsich #include <dw_hdmi.h> 11ca562b63SPhilipp Tomsich #include <edid.h> 12ca562b63SPhilipp Tomsich #include <regmap.h> 13ca562b63SPhilipp Tomsich #include <syscon.h> 14ca562b63SPhilipp Tomsich #include <asm/gpio.h> 15ca562b63SPhilipp Tomsich #include <asm/io.h> 16ca562b63SPhilipp Tomsich #include <asm/arch/clock.h> 17ca562b63SPhilipp Tomsich #include <asm/arch/hardware.h> 18ca562b63SPhilipp Tomsich #include <asm/arch/grf_rk3399.h> 19ca562b63SPhilipp Tomsich #include <power/regulator.h> 20ca562b63SPhilipp Tomsich #include "rk_hdmi.h" 21ca562b63SPhilipp Tomsich 22ca562b63SPhilipp Tomsich static int rk3399_hdmi_enable(struct udevice *dev, int panel_bpp, 23ca562b63SPhilipp Tomsich const struct display_timing *edid) 24ca562b63SPhilipp Tomsich { 25ca562b63SPhilipp Tomsich struct rk_hdmi_priv *priv = dev_get_priv(dev); 26ca562b63SPhilipp Tomsich struct display_plat *uc_plat = dev_get_uclass_platdata(dev); 27ca562b63SPhilipp Tomsich int vop_id = uc_plat->source_id; 28ca562b63SPhilipp Tomsich struct rk3399_grf_regs *grf = priv->grf; 29ca562b63SPhilipp Tomsich 30ca562b63SPhilipp Tomsich /* select the hdmi encoder input data from our source_id */ 31ca562b63SPhilipp Tomsich rk_clrsetreg(&grf->soc_con20, GRF_RK3399_HDMI_VOP_SEL_MASK, 32ca562b63SPhilipp Tomsich (vop_id == 1) ? GRF_RK3399_HDMI_VOP_SEL_L : 0); 33ca562b63SPhilipp Tomsich 34ca562b63SPhilipp Tomsich return dw_hdmi_enable(&priv->hdmi, edid); 35ca562b63SPhilipp Tomsich } 36ca562b63SPhilipp Tomsich 37ca562b63SPhilipp Tomsich static int rk3399_hdmi_ofdata_to_platdata(struct udevice *dev) 38ca562b63SPhilipp Tomsich { 39ca562b63SPhilipp Tomsich struct rk_hdmi_priv *priv = dev_get_priv(dev); 40ca562b63SPhilipp Tomsich struct dw_hdmi *hdmi = &priv->hdmi; 41ca562b63SPhilipp Tomsich 42ca562b63SPhilipp Tomsich hdmi->i2c_clk_high = 0x7a; 43ca562b63SPhilipp Tomsich hdmi->i2c_clk_low = 0x8d; 44ca562b63SPhilipp Tomsich 45ca562b63SPhilipp Tomsich return rk_hdmi_ofdata_to_platdata(dev); 46ca562b63SPhilipp Tomsich } 47ca562b63SPhilipp Tomsich 48ca562b63SPhilipp Tomsich static const char * const rk3399_regulator_names[] = { 49ca562b63SPhilipp Tomsich "vcc1v8_hdmi", 50ca562b63SPhilipp Tomsich "vcc0v9_hdmi" 51ca562b63SPhilipp Tomsich }; 52ca562b63SPhilipp Tomsich 53ca562b63SPhilipp Tomsich static int rk3399_hdmi_probe(struct udevice *dev) 54ca562b63SPhilipp Tomsich { 55ca562b63SPhilipp Tomsich /* Enable regulators required for HDMI */ 56ca562b63SPhilipp Tomsich rk_hdmi_probe_regulators(dev, rk3399_regulator_names, 57ca562b63SPhilipp Tomsich ARRAY_SIZE(rk3399_regulator_names)); 58ca562b63SPhilipp Tomsich 59ca562b63SPhilipp Tomsich return rk_hdmi_probe(dev); 60ca562b63SPhilipp Tomsich } 61ca562b63SPhilipp Tomsich 62ca562b63SPhilipp Tomsich static const struct dm_display_ops rk3399_hdmi_ops = { 63ca562b63SPhilipp Tomsich .read_edid = rk_hdmi_read_edid, 64ca562b63SPhilipp Tomsich .enable = rk3399_hdmi_enable, 65ca562b63SPhilipp Tomsich }; 66ca562b63SPhilipp Tomsich 67ca562b63SPhilipp Tomsich static const struct udevice_id rk3399_hdmi_ids[] = { 68ca562b63SPhilipp Tomsich { .compatible = "rockchip,rk3399-dw-hdmi" }, 69ca562b63SPhilipp Tomsich { } 70ca562b63SPhilipp Tomsich }; 71ca562b63SPhilipp Tomsich 72ca562b63SPhilipp Tomsich U_BOOT_DRIVER(rk3399_hdmi_rockchip) = { 73ca562b63SPhilipp Tomsich .name = "rk3399_hdmi_rockchip", 74ca562b63SPhilipp Tomsich .id = UCLASS_DISPLAY, 75ca562b63SPhilipp Tomsich .of_match = rk3399_hdmi_ids, 76ca562b63SPhilipp Tomsich .ops = &rk3399_hdmi_ops, 77ca562b63SPhilipp Tomsich .ofdata_to_platdata = rk3399_hdmi_ofdata_to_platdata, 78ca562b63SPhilipp Tomsich .probe = rk3399_hdmi_probe, 79ca562b63SPhilipp Tomsich .priv_auto_alloc_size = sizeof(struct rk_hdmi_priv), 80ca562b63SPhilipp Tomsich }; 81