diff options
Diffstat (limited to 'drivers/clk/mvebu')
| -rw-r--r-- | drivers/clk/mvebu/ap806-system-controller.c | 5 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-370.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-375.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-37xx-periph.c | 58 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-37xx-tbg.c | 8 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-37xx-xtal.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-38x.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-39x.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-xp.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/clk-corediv.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/clk-cpu.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/common.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/common.h | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/cp110-system-controller.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/dove.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/kirkwood.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/mv98dx3236.c | 4 | ||||
| -rw-r--r-- | drivers/clk/mvebu/orion.c | 4 |
18 files changed, 69 insertions, 62 deletions
diff --git a/drivers/clk/mvebu/ap806-system-controller.c b/drivers/clk/mvebu/ap806-system-controller.c index fa2fbd2cef4a..ea54a874bbda 100644 --- a/drivers/clk/mvebu/ap806-system-controller.c +++ b/drivers/clk/mvebu/ap806-system-controller.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Armada AP806 System Controller * @@ -5,9 +6,6 @@ * * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #define pr_fmt(fmt) "ap806-system-controller: " fmt @@ -155,7 +153,6 @@ static int ap806_syscon_common_probe(struct platform_device *pdev, goto fail4; } - of_clk_add_provider(np, of_clk_src_onecell_get, &ap806_clk_data); ret = of_clk_add_provider(np, of_clk_src_onecell_get, &ap806_clk_data); if (ret) goto fail_clk_add; diff --git a/drivers/clk/mvebu/armada-370.c b/drivers/clk/mvebu/armada-370.c index 2c7c1085f883..7dedfaa6e152 100644 --- a/drivers/clk/mvebu/armada-370.c +++ b/drivers/clk/mvebu/armada-370.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Armada 370 SoC clocks * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/armada-375.c b/drivers/clk/mvebu/armada-375.c index c7af2242b796..a7157c690238 100644 --- a/drivers/clk/mvebu/armada-375.c +++ b/drivers/clk/mvebu/armada-375.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Armada 375 SoC clocks * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/armada-37xx-periph.c b/drivers/clk/mvebu/armada-37xx-periph.c index 499f5962c8b0..1f1cff428d78 100644 --- a/drivers/clk/mvebu/armada-37xx-periph.c +++ b/drivers/clk/mvebu/armada-37xx-periph.c @@ -56,6 +56,15 @@ struct clk_periph_driver_data { struct clk_hw_onecell_data *hw_data; spinlock_t lock; + void __iomem *reg; + + /* Storage registers for suspend/resume operations */ + u32 tbg_sel; + u32 div_sel0; + u32 div_sel1; + u32 div_sel2; + u32 clk_sel; + u32 clk_dis; }; struct clk_double_div { @@ -672,6 +681,40 @@ static int armada_3700_add_composite_clk(const struct clk_periph_data *data, return PTR_ERR_OR_ZERO(*hw); } +static int __maybe_unused armada_3700_periph_clock_suspend(struct device *dev) +{ + struct clk_periph_driver_data *data = dev_get_drvdata(dev); + + data->tbg_sel = readl(data->reg + TBG_SEL); + data->div_sel0 = readl(data->reg + DIV_SEL0); + data->div_sel1 = readl(data->reg + DIV_SEL1); + data->div_sel2 = readl(data->reg + DIV_SEL2); + data->clk_sel = readl(data->reg + CLK_SEL); + data->clk_dis = readl(data->reg + CLK_DIS); + + return 0; +} + +static int __maybe_unused armada_3700_periph_clock_resume(struct device *dev) +{ + struct clk_periph_driver_data *data = dev_get_drvdata(dev); + + /* Follow the same order than what the Cortex-M3 does (ATF code) */ + writel(data->clk_dis, data->reg + CLK_DIS); + writel(data->div_sel0, data->reg + DIV_SEL0); + writel(data->div_sel1, data->reg + DIV_SEL1); + writel(data->div_sel2, data->reg + DIV_SEL2); + writel(data->tbg_sel, data->reg + TBG_SEL); + writel(data->clk_sel, data->reg + CLK_SEL); + + return 0; +} + +static const struct dev_pm_ops armada_3700_periph_clock_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(armada_3700_periph_clock_suspend, + armada_3700_periph_clock_resume) +}; + static int armada_3700_periph_clock_probe(struct platform_device *pdev) { struct clk_periph_driver_data *driver_data; @@ -680,7 +723,6 @@ static int armada_3700_periph_clock_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; int num_periph = 0, i, ret; struct resource *res; - void __iomem *reg; data = of_device_get_match_data(dev); if (!data) @@ -689,11 +731,6 @@ static int armada_3700_periph_clock_probe(struct platform_device *pdev) while (data[num_periph].name) num_periph++; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - reg = devm_ioremap_resource(dev, res); - if (IS_ERR(reg)) - return PTR_ERR(reg); - driver_data = devm_kzalloc(dev, sizeof(*driver_data), GFP_KERNEL); if (!driver_data) return -ENOMEM; @@ -706,12 +743,16 @@ static int armada_3700_periph_clock_probe(struct platform_device *pdev) return -ENOMEM; driver_data->hw_data->num = num_periph; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + driver_data->reg = devm_ioremap_resource(dev, res); + if (IS_ERR(driver_data->reg)) + return PTR_ERR(driver_data->reg); + spin_lock_init(&driver_data->lock); for (i = 0; i < num_periph; i++) { struct clk_hw **hw = &driver_data->hw_data->hws[i]; - - if (armada_3700_add_composite_clk(&data[i], reg, + if (armada_3700_add_composite_clk(&data[i], driver_data->reg, &driver_data->lock, dev, hw)) dev_err(dev, "Can't register periph clock %s\n", data[i].name); @@ -749,6 +790,7 @@ static struct platform_driver armada_3700_periph_clock_driver = { .driver = { .name = "marvell-armada-3700-periph-clock", .of_match_table = armada_3700_periph_clock_of_match, + .pm = &armada_3700_periph_clock_pm_ops, }, }; diff --git a/drivers/clk/mvebu/armada-37xx-tbg.c b/drivers/clk/mvebu/armada-37xx-tbg.c index 7ff041f73b55..ee272d4d8c24 100644 --- a/drivers/clk/mvebu/armada-37xx-tbg.c +++ b/drivers/clk/mvebu/armada-37xx-tbg.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Marvell Armada 37xx SoC Time Base Generator clocks * * Copyright (C) 2016 Marvell * * Gregory CLEMENT <gregory.clement@free-electrons.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2 or later. This program is licensed "as is" - * without any warranty of any kind, whether express or implied. */ #include <linux/clk-provider.h> @@ -99,12 +96,13 @@ static int armada_3700_tbg_clock_probe(struct platform_device *pdev) hw_tbg_data->num = NUM_TBG; platform_set_drvdata(pdev, hw_tbg_data); - parent = devm_clk_get(dev, NULL); + parent = clk_get(dev, NULL); if (IS_ERR(parent)) { dev_err(dev, "Could get the clock parent\n"); return -EINVAL; } parent_name = __clk_get_name(parent); + clk_put(parent); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg = devm_ioremap_resource(dev, res); diff --git a/drivers/clk/mvebu/armada-37xx-xtal.c b/drivers/clk/mvebu/armada-37xx-xtal.c index 612d65ede10a..e9e306d4e9af 100644 --- a/drivers/clk/mvebu/armada-37xx-xtal.c +++ b/drivers/clk/mvebu/armada-37xx-xtal.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Armada 37xx SoC xtal clocks * @@ -5,9 +6,6 @@ * * Gregory CLEMENT <gregory.clement@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/clk-provider.h> diff --git a/drivers/clk/mvebu/armada-38x.c b/drivers/clk/mvebu/armada-38x.c index 9ff4ea63932d..ef2ab81f087d 100644 --- a/drivers/clk/mvebu/armada-38x.c +++ b/drivers/clk/mvebu/armada-38x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Armada 380/385 SoC clocks * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/armada-39x.c b/drivers/clk/mvebu/armada-39x.c index 4fdfd32247a9..674ccfd6236e 100644 --- a/drivers/clk/mvebu/armada-39x.c +++ b/drivers/clk/mvebu/armada-39x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Armada 39x SoC clocks * @@ -8,9 +9,6 @@ * Andrew Lunn <andrew@lunn.ch> * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/armada-xp.c b/drivers/clk/mvebu/armada-xp.c index 0ec44ae9a2a2..e8f03293ec83 100644 --- a/drivers/clk/mvebu/armada-xp.c +++ b/drivers/clk/mvebu/armada-xp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Armada XP SoC clocks * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/clk-corediv.c b/drivers/clk/mvebu/clk-corediv.c index 68f05c53d40e..1fc84b0e72ee 100644 --- a/drivers/clk/mvebu/clk-corediv.c +++ b/drivers/clk/mvebu/clk-corediv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MVEBU Core divider clock * @@ -5,9 +6,6 @@ * * Ezequiel Garcia <ezequiel.garcia@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c index 3045067448fb..c2af3395cf13 100644 --- a/drivers/clk/mvebu/clk-cpu.c +++ b/drivers/clk/mvebu/clk-cpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell MVEBU CPU clock handling. * @@ -5,9 +6,6 @@ * * Gregory CLEMENT <gregory.clement@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> #include <linux/slab.h> diff --git a/drivers/clk/mvebu/common.c b/drivers/clk/mvebu/common.c index 472c88b90256..6ab3c2e627c7 100644 --- a/drivers/clk/mvebu/common.c +++ b/drivers/clk/mvebu/common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell EBU SoC common clock handling * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/common.h b/drivers/clk/mvebu/common.h index f0de6c8a494a..d1ab79b43105 100644 --- a/drivers/clk/mvebu/common.h +++ b/drivers/clk/mvebu/common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Marvell EBU SoC common clock handling * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #ifndef __CLK_MVEBU_COMMON_H_ diff --git a/drivers/clk/mvebu/cp110-system-controller.c b/drivers/clk/mvebu/cp110-system-controller.c index 75bf7b8f282f..9781b1bf5998 100644 --- a/drivers/clk/mvebu/cp110-system-controller.c +++ b/drivers/clk/mvebu/cp110-system-controller.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Armada CP110 System Controller * @@ -5,9 +6,6 @@ * * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ /* diff --git a/drivers/clk/mvebu/dove.c b/drivers/clk/mvebu/dove.c index 59fad9546c84..e0dd99f36bf4 100644 --- a/drivers/clk/mvebu/dove.c +++ b/drivers/clk/mvebu/dove.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Dove SoC clocks * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/kirkwood.c b/drivers/clk/mvebu/kirkwood.c index a2a8d614039d..6f784167bda4 100644 --- a/drivers/clk/mvebu/kirkwood.c +++ b/drivers/clk/mvebu/kirkwood.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Kirkwood SoC clocks * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/mv98dx3236.c b/drivers/clk/mvebu/mv98dx3236.c index 6e203af73cac..0a74cf7a7725 100644 --- a/drivers/clk/mvebu/mv98dx3236.c +++ b/drivers/clk/mvebu/mv98dx3236.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell MV98DX3236 SoC clocks * @@ -7,9 +8,6 @@ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Andrew Lunn <andrew@lunn.ch> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/clk/mvebu/orion.c b/drivers/clk/mvebu/orion.c index a6e5bee23385..f681a65be20a 100644 --- a/drivers/clk/mvebu/orion.c +++ b/drivers/clk/mvebu/orion.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Orion SoC clocks * @@ -5,9 +6,6 @@ * * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> |