4 files changed, 84 insertions, 7 deletions

diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h
index f0ec963c6e84..d4cf4430ee8f 100644
--- a/include/linux/phy/phy-hdmi.h
+++ b/include/linux/phy/phy-hdmi.h
@@ -6,16 +6,31 @@
 #ifndef __PHY_HDMI_H_
 #define __PHY_HDMI_H_
 
+#include <linux/types.h>
+
+enum phy_hdmi_mode {
+	PHY_HDMI_MODE_TMDS,
+	PHY_HDMI_MODE_FRL,
+};
+
 /**
  * struct phy_configure_opts_hdmi - HDMI configuration set
- * @tmds_char_rate: HDMI TMDS Character Rate in Hertz.
  * @bpc: Bits per color channel.
+ * @tmds_char_rate: HDMI TMDS Character Rate in Hertz.
+ * @frl.rate_per_lane: HDMI FRL Rate per Lane in Gbps.
+ * @frl.lanes: HDMI FRL lanes count.
  *
  * This structure is used to represent the configuration state of a HDMI phy.
  */
 struct phy_configure_opts_hdmi {
-	unsigned long long tmds_char_rate;
 	unsigned int bpc;
+	union {
+		unsigned long long tmds_char_rate;
+		struct {
+			u8 rate_per_lane;
+			u8 lanes;
+		} frl;
+	};
 };
 
 #endif /* __PHY_HDMI_H_ */
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 2af0d01ebb39..ea47975e288a 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -243,7 +243,7 @@ static inline void *phy_get_drvdata(struct phy *phy)
 #if IS_ENABLED(CONFIG_GENERIC_PHY)
 int phy_pm_runtime_get(struct phy *phy);
 int phy_pm_runtime_get_sync(struct phy *phy);
-int phy_pm_runtime_put(struct phy *phy);
+void phy_pm_runtime_put(struct phy *phy);
 int phy_pm_runtime_put_sync(struct phy *phy);
 int phy_init(struct phy *phy);
 int phy_exit(struct phy *phy);
@@ -324,11 +324,8 @@ static inline int phy_pm_runtime_get_sync(struct phy *phy)
 	return -ENOSYS;
 }
 
-static inline int phy_pm_runtime_put(struct phy *phy)
+static inline void phy_pm_runtime_put(struct phy *phy)
 {
-	if (!phy)
-		return 0;
-	return -ENOSYS;
 }
 
 static inline int phy_pm_runtime_put_sync(struct phy *phy)
diff --git a/include/linux/soc/apple/tunable.h b/include/linux/soc/apple/tunable.h
new file mode 100644
index 000000000000..531ca814cd02
--- /dev/null
+++ b/include/linux/soc/apple/tunable.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
+/*
+ * Apple Silicon hardware tunable support
+ *
+ * Each tunable is a list with each entry containing a offset into the MMIO
+ * region, a mask of bits to be cleared and a set of bits to be set. These
+ * tunables are passed along by the previous boot stages and vary from device
+ * to device such that they cannot be hardcoded in the individual drivers.
+ *
+ * Copyright (C) The Asahi Linux Contributors
+ */
+
+#ifndef _LINUX_SOC_APPLE_TUNABLE_H_
+#define _LINUX_SOC_APPLE_TUNABLE_H_
+
+#include <linux/device.h>
+#include <linux/types.h>
+
+/**
+ * Struct to store an Apple Silicon hardware tunable.
+ *
+ * Each tunable is a list with each entry containing a offset into the MMIO
+ * region, a mask of bits to be cleared and a set of bits to be set. These
+ * tunables are passed along by the previous boot stages and vary from device
+ * to device such that they cannot be hardcoded in the individual drivers.
+ *
+ * @param sz Number of [offset, mask, value] tuples stored in values.
+ * @param values [offset, mask, value] array.
+ */
+struct apple_tunable {
+	size_t sz;
+	struct {
+		u32 offset;
+		u32 mask;
+		u32 value;
+	} values[] __counted_by(sz);
+};
+
+/**
+ * Parse an array of hardware tunables from the device tree.
+ *
+ * @dev: Device node used for devm_kzalloc internally.
+ * @np: Device node which contains the tunable array.
+ * @name: Name of the device tree property which contains the tunables.
+ * @res: Resource to which the tunables will be applied, used for bound checking
+ *
+ * @return: devres allocated struct on success or PTR_ERR on failure.
+ */
+struct apple_tunable *devm_apple_tunable_parse(struct device *dev,
+					       struct device_node *np,
+					       const char *name,
+					       struct resource *res);
+
+/**
+ * Apply a previously loaded hardware tunable.
+ *
+ * @param regs: MMIO to which the tunable will be applied.
+ * @param tunable: Pointer to the tunable.
+ */
+void apple_tunable_apply(void __iomem *regs, struct apple_tunable *tunable);
+
+#endif
diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h
index 532c6c2d1195..db8a7ca81080 100644
--- a/include/linux/soc/samsung/exynos-regs-pmu.h
+++ b/include/linux/soc/samsung/exynos-regs-pmu.h
@@ -1015,4 +1015,7 @@
 #define GS101_GRP2_INTR_BID_UPEND				(0x0208)
 #define GS101_GRP2_INTR_BID_CLEAR				(0x020c)
 
+/* exynosautov920 */
+#define EXYNOSAUTOV920_PHY_CTRL_USB20				(0x0710)
+#define EXYNOSAUTOV920_PHY_CTRL_USB31				(0x0714)
 #endif /* __LINUX_SOC_EXYNOS_REGS_PMU_H */