// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries * * Author: Manikandan Muralidharan <[email protected]> * Author: Dharma Balasubiramani <[email protected]> * */ #include <linux/clk.h> #include <linux/component.h> #include <linux/delay.h> #include <linux/jiffies.h> #include <linux/mfd/syscon.h> #include <linux/of_graph.h> #include <linux/pinctrl/devinfo.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/reset.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> #define LVDS_POLL_TIMEOUT_MS … /* LVDSC register offsets */ #define LVDSC_CR … #define LVDSC_CFGR … #define LVDSC_SR … #define LVDSC_WPMR … /* Bitfields in LVDSC_CR (Control Register) */ #define LVDSC_CR_SER_EN … /* Bitfields in LVDSC_CFGR (Configuration Register) */ #define LVDSC_CFGR_PIXSIZE_24BITS … #define LVDSC_CFGR_DEN_POL_HIGH … #define LVDSC_CFGR_DC_UNBALANCED … #define LVDSC_CFGR_MAPPING_JEIDA … /*Bitfields in LVDSC_SR */ #define LVDSC_SR_CS … /* Bitfields in LVDSC_WPMR (Write Protection Mode Register) */ #define LVDSC_WPMR_WPKEY_MASK … #define LVDSC_WPMR_WPKEY_PSSWD … struct mchp_lvds { … }; static inline struct mchp_lvds *bridge_to_lvds(struct drm_bridge *bridge) { … } static inline u32 lvds_readl(struct mchp_lvds *lvds, u32 offset) { … } static inline void lvds_writel(struct mchp_lvds *lvds, u32 offset, u32 val) { … } static void lvds_serialiser_on(struct mchp_lvds *lvds) { … } static int mchp_lvds_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { … } static void mchp_lvds_enable(struct drm_bridge *bridge) { … } static void mchp_lvds_disable(struct drm_bridge *bridge) { … } static const struct drm_bridge_funcs mchp_lvds_bridge_funcs = …; static int mchp_lvds_probe(struct platform_device *pdev) { … } static const struct of_device_id mchp_lvds_dt_ids[] = …; MODULE_DEVICE_TABLE(of, mchp_lvds_dt_ids); static struct platform_driver mchp_lvds_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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