diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/802-can-0001-imx-busfreq-Add-API-header-file.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/802-can-0001-imx-busfreq-Add-API-header-file.patch | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/target/linux/layerscape/patches-5.4/802-can-0001-imx-busfreq-Add-API-header-file.patch b/target/linux/layerscape/patches-5.4/802-can-0001-imx-busfreq-Add-API-header-file.patch deleted file mode 100644 index e7a31c551e..0000000000 --- a/target/linux/layerscape/patches-5.4/802-can-0001-imx-busfreq-Add-API-header-file.patch +++ /dev/null @@ -1,95 +0,0 @@ -From c8055614385c90accdea4e7a046c5560bccc84cf Mon Sep 17 00:00:00 2001 -From: Leonard Crestez <leonard.crestez@nxp.com> -Date: Mon, 13 May 2019 15:06:37 +0300 -Subject: [PATCH] imx busfreq: Add API header file - -Add sufficient enough definitions so that drivers which call -request_bus_freq and release_bus_freq can compile even if -CONFIG_HAVE_IMX_BUSFREQ is missing. - -Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> ---- - include/linux/busfreq-imx.h | 77 +++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 77 insertions(+) - create mode 100644 include/linux/busfreq-imx.h - ---- /dev/null -+++ b/include/linux/busfreq-imx.h -@@ -0,0 +1,77 @@ -+/* -+ * Copyright 2012-2016 Freescale Semiconductor, Inc. All Rights Reserved. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#ifndef __ASM_ARCH_MXC_BUSFREQ_H__ -+#define __ASM_ARCH_MXC_BUSFREQ_H__ -+ -+#include <linux/notifier.h> -+#include <linux/regulator/consumer.h> -+ -+/* -+ * This enumerates busfreq low power mode entry and exit. -+ */ -+enum busfreq_event { -+ LOW_BUSFREQ_ENTER, -+ LOW_BUSFREQ_EXIT, -+}; -+ -+/* -+ * This enumerates the system bus and ddr frequencies in various modes. -+ * BUS_FREQ_HIGH - DDR @ 528MHz, AHB @ 132MHz. -+ * BUS_FREQ_MED - DDR @ 400MHz, AHB @ 132MHz -+ * BUS_FREQ_AUDIO - DDR @ 50MHz/100MHz, AHB @ 24MHz. -+ * BUS_FREQ_LOW - DDR @ 24MHz, AHB @ 24MHz. -+ * BUS_FREQ_ULTRA_LOW - DDR @ 1MHz, AHB - 3MHz. -+ * -+ * Drivers need to request/release the bus/ddr frequencies based on -+ * their performance requirements. Drivers cannot request/release -+ * BUS_FREQ_ULTRA_LOW mode as this mode is automatically entered from -+ * either BUS_FREQ_AUDIO or BUS_FREQ_LOW -+ * modes. -+ */ -+enum bus_freq_mode { -+ BUS_FREQ_HIGH, -+ BUS_FREQ_MED, -+ BUS_FREQ_AUDIO, -+ BUS_FREQ_LOW, -+ BUS_FREQ_ULTRA_LOW, -+}; -+ -+#if defined(CONFIG_HAVE_IMX_BUSFREQ) && !defined(CONFIG_ARM64) -+extern struct regulator *arm_reg; -+extern struct regulator *soc_reg; -+void request_bus_freq(enum bus_freq_mode mode); -+void release_bus_freq(enum bus_freq_mode mode); -+int register_busfreq_notifier(struct notifier_block *nb); -+int unregister_busfreq_notifier(struct notifier_block *nb); -+int get_bus_freq_mode(void); -+#elif defined(CONFIG_HAVE_IMX_BUSFREQ) -+void request_bus_freq(enum bus_freq_mode mode); -+void release_bus_freq(enum bus_freq_mode mode); -+int get_bus_freq_mode(void); -+#else -+static inline void request_bus_freq(enum bus_freq_mode mode) -+{ -+} -+static inline void release_bus_freq(enum bus_freq_mode mode) -+{ -+} -+static inline int register_busfreq_notifier(struct notifier_block *nb) -+{ -+ return 0; -+} -+static inline int unregister_busfreq_notifier(struct notifier_block *nb) -+{ -+ return 0; -+} -+static inline int get_bus_freq_mode(void) -+{ -+ return BUS_FREQ_HIGH; -+} -+#endif -+#endif |