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We want to be able to set TCON TOP muxes at runtime. Add helpers for that. Old, static configuration of muxes at probe time is preserved for now. It will be removed when R40 TCON starts using them. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-12-jernej.skrabec@siol.net
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/* Copyright (c) 2018 Jernej Skrabec <jernej.skrabec@siol.net> */
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#ifndef _SUN8I_TCON_TOP_H_
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#define _SUN8I_TCON_TOP_H_
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#include <linux/clk.h>
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#include <linux/clk-provider.h>
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#include <linux/reset.h>
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#include <linux/spinlock.h>
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#define TCON_TOP_TCON_TV_SETUP_REG 0x00
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#define TCON_TOP_PORT_SEL_REG 0x1C
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#define TCON_TOP_PORT_DE0_MSK GENMASK(1, 0)
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#define TCON_TOP_PORT_DE1_MSK GENMASK(5, 4)
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#define TCON_TOP_GATE_SRC_REG 0x20
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#define TCON_TOP_HDMI_SRC_MSK GENMASK(29, 28)
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#define TCON_TOP_TCON_TV1_GATE 24
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#define TCON_TOP_TCON_TV0_GATE 20
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#define TCON_TOP_TCON_DSI_GATE 16
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#define CLK_NUM 3
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struct sun8i_tcon_top {
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struct clk *bus;
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struct clk_hw_onecell_data *clk_data;
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void __iomem *regs;
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struct reset_control *rst;
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/*
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* spinlock is used to synchronize access to same
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* register where multiple clock gates can be set.
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*/
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spinlock_t reg_lock;
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};
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extern const struct of_device_id sun8i_tcon_top_of_table[];
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int sun8i_tcon_top_set_hdmi_src(struct device *dev, int tcon);
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int sun8i_tcon_top_de_config(struct device *dev, int mixer, int tcon);
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#endif /* _SUN8I_TCON_TOP_H_ */
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