// SPDX-License-Identifier: GPL-2.0 /* * mtu3_dr.c - dual role switch and host glue layer * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <[email protected]> */ #include <linux/clk.h> #include <linux/irq.h> #include <linux/kernel.h> #include <linux/mfd/syscon.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/regmap.h> #include "mtu3.h" #include "mtu3_dr.h" /* mt8173 etc */ #define PERI_WK_CTRL1 … #define WC1_IS_C(x) … #define WC1_IS_EN … #define WC1_IS_P … /* mt8183 */ #define PERI_WK_CTRL0 … #define WC0_IS_C(x) … #define WC0_IS_P … #define WC0_IS_EN … /* mt8192 */ #define WC0_SSUSB0_CDEN … #define WC0_IS_SPM_EN … /* mt8195 */ #define PERI_WK_CTRL0_8195 … #define WC0_IS_P_95 … #define WC0_IS_C_95(x) … #define WC0_IS_EN_P3_95 … #define WC0_IS_EN_P2_95 … #define PERI_WK_CTRL1_8195 … #define WC1_IS_C_95(x) … #define WC1_IS_P_95 … #define WC1_IS_EN_P0_95 … /* mt2712 etc */ #define PERI_SSUSB_SPM_CTRL … #define SSC_IP_SLEEP_EN … #define SSC_SPM_INT_EN … enum ssusb_uwk_vers { … }; /* * ip-sleep wakeup mode: * all clocks can be turn off, but power domain should be kept on */ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable) { … } int ssusb_wakeup_of_property_parse(struct ssusb_mtk *ssusb, struct device_node *dn) { … } void ssusb_wakeup_set(struct ssusb_mtk *ssusb, bool enable) { … } static void host_ports_num_get(struct ssusb_mtk *ssusb) { … } /* only configure ports will be used later */ static int ssusb_host_enable(struct ssusb_mtk *ssusb) { … } static int ssusb_host_disable(struct ssusb_mtk *ssusb) { … } int ssusb_host_resume(struct ssusb_mtk *ssusb, bool p0_skipped) { … } /* here not skip port0 due to PDN can be set repeatedly */ int ssusb_host_suspend(struct ssusb_mtk *ssusb) { … } static void ssusb_host_setup(struct ssusb_mtk *ssusb) { … } static void ssusb_host_cleanup(struct ssusb_mtk *ssusb) { … } /* * If host supports multiple ports, the VBUSes(5V) of ports except port0 * which supports OTG are better to be enabled by default in DTS. * Because the host driver will keep link with devices attached when system * enters suspend mode, so no need to control VBUSes after initialization. */ int ssusb_host_init(struct ssusb_mtk *ssusb, struct device_node *parent_dn) { … } void ssusb_host_exit(struct ssusb_mtk *ssusb) { … }
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