mirror of
https://github.com/AsahiLinux/u-boot
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83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH
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* Copyright (c) 2015 Google, Inc
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* Copyright 2014 Rockchip Inc.
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*/
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#include <common.h>
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#include <display.h>
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#include <dm.h>
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#include <regmap.h>
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#include <syscon.h>
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#include <video.h>
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#include <asm/hardware.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/grf_rk3288.h>
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#include "rk_vop.h"
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DECLARE_GLOBAL_DATA_PTR;
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static void rk3288_set_pin_polarity(struct udevice *dev,
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enum vop_modes mode, u32 polarity)
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{
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struct rk_vop_priv *priv = dev_get_priv(dev);
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struct rk3288_vop *regs = priv->regs;
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/* The RK3328 VOP (v3.1) has its polarity configuration in ctrl0 */
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clrsetbits_le32(®s->dsp_ctrl0,
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M_DSP_DCLK_POL | M_DSP_DEN_POL |
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M_DSP_VSYNC_POL | M_DSP_HSYNC_POL,
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V_DSP_PIN_POL(polarity));
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}
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static void rk3288_set_io_vsel(struct udevice *dev)
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{
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struct rk3288_grf *grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
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/* lcdc(vop) iodomain select 1.8V */
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rk_setreg(&grf->io_vsel, 1 << 0);
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}
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/*
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* Try some common regulators. We should really get these from the
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* device tree somehow.
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*/
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static const char * const rk3288_regulator_names[] = {
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"vcc18_lcd",
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"VCC18_LCD",
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"vdd10_lcd_pwren_h",
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"vdd10_lcd",
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"VDD10_LCD",
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"vcc33_lcd"
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};
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static int rk3288_vop_probe(struct udevice *dev)
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{
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/* Before relocation we don't need to do anything */
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if (!(gd->flags & GD_FLG_RELOC))
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return 0;
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/* Set the LCDC(vop) iodomain to 1.8V */
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rk3288_set_io_vsel(dev);
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/* Probe regulators required for the RK3288 VOP */
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rk_vop_probe_regulators(dev, rk3288_regulator_names,
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ARRAY_SIZE(rk3288_regulator_names));
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return rk_vop_probe(dev);
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}
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static int rk_vop_remove(struct udevice *dev)
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{
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struct rk_vop_priv *priv = dev_get_priv(dev);
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struct rk3288_vop *regs = priv->regs;
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setbits_le32(®s->sys_ctrl, V_STANDBY_EN(1));
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/* wait frame complete (60Hz) to enter standby */
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mdelay(17);
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return 0;
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}
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struct rkvop_driverdata rk3288_driverdata = {
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.features = VOP_FEATURE_OUTPUT_10BIT,
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.set_pin_polarity = rk3288_set_pin_polarity,
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};
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static const struct udevice_id rk3288_vop_ids[] = {
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{ .compatible = "rockchip,rk3288-vop",
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.data = (ulong)&rk3288_driverdata },
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{ }
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};
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static const struct video_ops rk3288_vop_ops = {
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};
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U_BOOT_DRIVER(rk_vop) = {
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.name = "rk3288_vop",
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.id = UCLASS_VIDEO,
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.of_match = rk3288_vop_ids,
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.ops = &rk3288_vop_ops,
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.bind = rk_vop_bind,
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.probe = rk3288_vop_probe,
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.remove = rk_vop_remove,
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.priv_auto_alloc_size = sizeof(struct rk_vop_priv),
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};
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