Commit caca6ad3 authored by Stephen Boyd's avatar Stephen Boyd

Merge branches 'clk-xilinx', 'clk-broadcom' and 'clk-platform' into clk-next

 - BCM63268 timer clock and reset controller
 - Convert platform clk drivers to remove_new

* clk-xilinx:
  clocking-wizard: Support higher frequency accuracy
  clk: zynqmp: pll: Remove the limit

* clk-broadcom:
  clk: bcm: Add BCM63268 timer clock and reset driver
  dt-bindings: clock: Add BCM63268 timer binding
  dt-bindings: reset: add BCM63268 timer reset definitions
  dt-bindings: clk: add BCM63268 timer clock definitions

* clk-platform: (25 commits)
  clk: xilinx: Convert to platform remove callback returning void
  clk: x86: Convert to platform remove callback returning void
  clk: uniphier: Convert to platform remove callback returning void
  clk: ti: Convert to platform remove callback returning void
  clk: tegra: Convert to platform remove callback returning void
  clk: stm32: Convert to platform remove callback returning void
  clk: mvebu: Convert to platform remove callback returning void
  clk: mmp: Convert to platform remove callback returning void
  clk: keystone: Convert to platform remove callback returning void
  clk: hisilicon: Convert to platform remove callback returning void
  clk: stm32mp1: Convert to platform remove callback returning void
  clk: scpi: Convert to platform remove callback returning void
  clk: s2mps11: Convert to platform remove callback returning void
  clk: pwm: Convert to platform remove callback returning void
  clk: palmas: Convert to platform remove callback returning void
  clk: hsdk-pll: Convert to platform remove callback returning void
  clk: fixed-rate: Convert to platform remove callback returning void
  clk: fixed-mmio: Convert to platform remove callback returning void
  clk: fixed-factor: Convert to platform remove callback returning void
  clk: axm5516: Convert to platform remove callback returning void
  ...
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/brcm,bcm63268-timer-clocks.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom BCM63268 Timer Clock and Reset Device Tree Bindings
maintainers:
- Álvaro Fernández Rojas <noltari@gmail.com>
properties:
compatible:
const: brcm,bcm63268-timer-clocks
reg:
maxItems: 1
"#clock-cells":
const: 1
"#reset-cells":
const: 1
required:
- compatible
- reg
- "#clock-cells"
- "#reset-cells"
additionalProperties: false
examples:
- |
timer_clk: clock-controller@100000ac {
compatible = "brcm,bcm63268-timer-clocks";
reg = <0x100000ac 0x4>;
#clock-cells = <1>;
#reset-cells = <1>;
};
......@@ -198,10 +198,9 @@ static int i2s_pll_clk_probe(struct platform_device *pdev)
return of_clk_add_provider(node, of_clk_src_simple_get, clk);
}
static int i2s_pll_clk_remove(struct platform_device *pdev)
static void i2s_pll_clk_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static const struct of_device_id i2s_pll_clk_id[] = {
......@@ -216,7 +215,7 @@ static struct platform_driver i2s_pll_clk_driver = {
.of_match_table = i2s_pll_clk_id,
},
.probe = i2s_pll_clk_probe,
.remove = i2s_pll_clk_remove,
.remove_new = i2s_pll_clk_remove,
};
module_platform_driver(i2s_pll_clk_driver);
......
......@@ -257,10 +257,9 @@ static int axs10x_pll_clk_probe(struct platform_device *pdev)
&pll_clk->hw);
}
static int axs10x_pll_clk_remove(struct platform_device *pdev)
static void axs10x_pll_clk_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static void __init of_axs10x_pll_clk_setup(struct device_node *node)
......@@ -332,7 +331,7 @@ static struct platform_driver axs10x_pll_clk_driver = {
.of_match_table = axs10x_pll_clk_id,
},
.probe = axs10x_pll_clk_probe,
.remove = axs10x_pll_clk_remove,
.remove_new = axs10x_pll_clk_remove,
};
builtin_platform_driver(axs10x_pll_clk_driver);
......
......@@ -37,6 +37,15 @@ config CLK_BCM_63XX_GATE
Enable common clock framework support for Broadcom BCM63xx DSL SoCs
based on the MIPS architecture
config CLK_BCM63268_TIMER
bool "Broadcom BCM63268 timer clock and reset support"
depends on BMIPS_GENERIC || COMPILE_TEST
default BMIPS_GENERIC
select RESET_CONTROLLER
help
Enable timer clock and reset support for Broadcom BCM63268 DSL SoCs
based on the MIPS architecture.
config CLK_BCM_KONA
bool "Broadcom Kona CCU clock support"
depends on ARCH_BCM_MOBILE || COMPILE_TEST
......
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_CLK_BCM_63XX) += clk-bcm63xx.o
obj-$(CONFIG_CLK_BCM_63XX_GATE) += clk-bcm63xx-gate.o
obj-$(CONFIG_CLK_BCM63268_TIMER) += clk-bcm63268-timer.o
obj-$(CONFIG_CLK_BCM_KONA) += clk-kona.o
obj-$(CONFIG_CLK_BCM_KONA) += clk-kona-setup.o
obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm281xx.o
......
......@@ -92,15 +92,13 @@ static int clk_dvp_probe(struct platform_device *pdev)
return ret;
};
static int clk_dvp_remove(struct platform_device *pdev)
static void clk_dvp_remove(struct platform_device *pdev)
{
struct clk_dvp *dvp = platform_get_drvdata(pdev);
struct clk_hw_onecell_data *data = dvp->data;
clk_hw_unregister_gate(data->hws[1]);
clk_hw_unregister_gate(data->hws[0]);
return 0;
}
static const struct of_device_id clk_dvp_dt_ids[] = {
......@@ -111,7 +109,7 @@ MODULE_DEVICE_TABLE(of, clk_dvp_dt_ids);
static struct platform_driver clk_dvp_driver = {
.probe = clk_dvp_probe,
.remove = clk_dvp_remove,
.remove_new = clk_dvp_remove,
.driver = {
.name = "brcm2711-dvp",
.of_match_table = clk_dvp_dt_ids,
......
// SPDX-License-Identifier: GPL-2.0
/*
* BCM63268 Timer Clock and Reset Controller Driver
*
* Copyright (C) 2023 Álvaro Fernández Rojas <noltari@gmail.com>
*/
#include <linux/clk-provider.h>
#include <linux/container_of.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/reset-controller.h>
#include <linux/spinlock.h>
#include <dt-bindings/clock/bcm63268-clock.h>
#define BCM63268_TIMER_RESET_SLEEP_MIN_US 10000
#define BCM63268_TIMER_RESET_SLEEP_MAX_US 20000
struct bcm63268_tclkrst_hw {
void __iomem *regs;
spinlock_t lock;
struct reset_controller_dev rcdev;
struct clk_hw_onecell_data data;
};
struct bcm63268_tclk_table_entry {
const char * const name;
u8 bit;
};
static const struct bcm63268_tclk_table_entry bcm63268_timer_clocks[] = {
{
.name = "ephy1",
.bit = BCM63268_TCLK_EPHY1,
}, {
.name = "ephy2",
.bit = BCM63268_TCLK_EPHY2,
}, {
.name = "ephy3",
.bit = BCM63268_TCLK_EPHY3,
}, {
.name = "gphy1",
.bit = BCM63268_TCLK_GPHY1,
}, {
.name = "dsl",
.bit = BCM63268_TCLK_DSL,
}, {
.name = "wakeon_ephy",
.bit = BCM63268_TCLK_WAKEON_EPHY,
}, {
.name = "wakeon_dsl",
.bit = BCM63268_TCLK_WAKEON_DSL,
}, {
.name = "fap1_pll",
.bit = BCM63268_TCLK_FAP1,
}, {
.name = "fap2_pll",
.bit = BCM63268_TCLK_FAP2,
}, {
.name = "uto_50",
.bit = BCM63268_TCLK_UTO_50,
}, {
.name = "uto_extin",
.bit = BCM63268_TCLK_UTO_EXTIN,
}, {
.name = "usb_ref",
.bit = BCM63268_TCLK_USB_REF,
}, {
/* sentinel */
}
};
static inline struct bcm63268_tclkrst_hw *
to_bcm63268_timer_reset(struct reset_controller_dev *rcdev)
{
return container_of(rcdev, struct bcm63268_tclkrst_hw, rcdev);
}
static int bcm63268_timer_reset_update(struct reset_controller_dev *rcdev,
unsigned long id, bool assert)
{
struct bcm63268_tclkrst_hw *reset = to_bcm63268_timer_reset(rcdev);
unsigned long flags;
uint32_t val;
spin_lock_irqsave(&reset->lock, flags);
val = __raw_readl(reset->regs);
if (assert)
val &= ~BIT(id);
else
val |= BIT(id);
__raw_writel(val, reset->regs);
spin_unlock_irqrestore(&reset->lock, flags);
return 0;
}
static int bcm63268_timer_reset_assert(struct reset_controller_dev *rcdev,
unsigned long id)
{
return bcm63268_timer_reset_update(rcdev, id, true);
}
static int bcm63268_timer_reset_deassert(struct reset_controller_dev *rcdev,
unsigned long id)
{
return bcm63268_timer_reset_update(rcdev, id, false);
}
static int bcm63268_timer_reset_reset(struct reset_controller_dev *rcdev,
unsigned long id)
{
bcm63268_timer_reset_update(rcdev, id, true);
usleep_range(BCM63268_TIMER_RESET_SLEEP_MIN_US,
BCM63268_TIMER_RESET_SLEEP_MAX_US);
bcm63268_timer_reset_update(rcdev, id, false);
/*
* Ensure component is taken out reset state by sleeping also after
* deasserting the reset. Otherwise, the component may not be ready
* for operation.
*/
usleep_range(BCM63268_TIMER_RESET_SLEEP_MIN_US,
BCM63268_TIMER_RESET_SLEEP_MAX_US);
return 0;
}
static int bcm63268_timer_reset_status(struct reset_controller_dev *rcdev,
unsigned long id)
{
struct bcm63268_tclkrst_hw *reset = to_bcm63268_timer_reset(rcdev);
return !(__raw_readl(reset->regs) & BIT(id));
}
static const struct reset_control_ops bcm63268_timer_reset_ops = {
.assert = bcm63268_timer_reset_assert,
.deassert = bcm63268_timer_reset_deassert,
.reset = bcm63268_timer_reset_reset,
.status = bcm63268_timer_reset_status,
};
static int bcm63268_tclk_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
const struct bcm63268_tclk_table_entry *entry;
struct bcm63268_tclkrst_hw *hw;
struct clk_hw *clk;
u8 maxbit = 0;
int i, ret;
for (entry = bcm63268_timer_clocks; entry->name; entry++)
maxbit = max(maxbit, entry->bit);
maxbit++;
hw = devm_kzalloc(&pdev->dev, struct_size(hw, data.hws, maxbit),
GFP_KERNEL);
if (!hw)
return -ENOMEM;
platform_set_drvdata(pdev, hw);
spin_lock_init(&hw->lock);
hw->data.num = maxbit;
for (i = 0; i < maxbit; i++)
hw->data.hws[i] = ERR_PTR(-ENODEV);
hw->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(hw->regs))
return PTR_ERR(hw->regs);
for (entry = bcm63268_timer_clocks; entry->name; entry++) {
clk = devm_clk_hw_register_gate(dev, entry->name, NULL, 0,
hw->regs, entry->bit,
CLK_GATE_BIG_ENDIAN,
&hw->lock);
if (IS_ERR(clk))
return PTR_ERR(clk);
hw->data.hws[entry->bit] = clk;
}
ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
&hw->data);
if (ret)
return ret;
hw->rcdev.of_node = dev->of_node;
hw->rcdev.ops = &bcm63268_timer_reset_ops;
ret = devm_reset_controller_register(dev, &hw->rcdev);
if (ret)
dev_err(dev, "Failed to register reset controller\n");
return 0;
}
static const struct of_device_id bcm63268_tclk_dt_ids[] = {
{ .compatible = "brcm,bcm63268-timer-clocks" },
{ /* sentinel */ }
};
static struct platform_driver bcm63268_tclk = {
.probe = bcm63268_tclk_probe,
.driver = {
.name = "bcm63268-timer-clock",
.of_match_table = bcm63268_tclk_dt_ids,
},
};
builtin_platform_driver(bcm63268_tclk);
......@@ -541,7 +541,7 @@ static int clk_bcm63xx_probe(struct platform_device *pdev)
return ret;
}
static int clk_bcm63xx_remove(struct platform_device *pdev)
static void clk_bcm63xx_remove(struct platform_device *pdev)
{
struct clk_bcm63xx_hw *hw = platform_get_drvdata(pdev);
int i;
......@@ -552,8 +552,6 @@ static int clk_bcm63xx_remove(struct platform_device *pdev)
if (!IS_ERR(hw->data.hws[i]))
clk_hw_unregister_gate(hw->data.hws[i]);
}
return 0;
}
static const struct of_device_id clk_bcm63xx_dt_ids[] = {
......@@ -570,7 +568,7 @@ static const struct of_device_id clk_bcm63xx_dt_ids[] = {
static struct platform_driver clk_bcm63xx = {
.probe = clk_bcm63xx_probe,
.remove = clk_bcm63xx_remove,
.remove_new = clk_bcm63xx_remove,
.driver = {
.name = "bcm63xx-clock",
.of_match_table = clk_bcm63xx_dt_ids,
......
......@@ -439,13 +439,11 @@ static int raspberrypi_clk_probe(struct platform_device *pdev)
return 0;
}
static int raspberrypi_clk_remove(struct platform_device *pdev)
static void raspberrypi_clk_remove(struct platform_device *pdev)
{
struct raspberrypi_clk *rpi = platform_get_drvdata(pdev);
platform_device_unregister(rpi->cpufreq);
return 0;
}
static const struct of_device_id raspberrypi_clk_match[] = {
......@@ -460,7 +458,7 @@ static struct platform_driver raspberrypi_clk_driver = {
.of_match_table = raspberrypi_clk_match,
},
.probe = raspberrypi_clk_probe,
.remove = raspberrypi_clk_remove,
.remove_new = raspberrypi_clk_remove,
};
module_platform_driver(raspberrypi_clk_driver);
......
......@@ -557,11 +557,9 @@ static int axi_clkgen_probe(struct platform_device *pdev)
&axi_clkgen->clk_hw);
}
static int axi_clkgen_remove(struct platform_device *pdev)
static void axi_clkgen_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static const struct of_device_id axi_clkgen_ids[] = {
......@@ -583,7 +581,7 @@ static struct platform_driver axi_clkgen_driver = {
.of_match_table = axi_clkgen_ids,
},
.probe = axi_clkgen_probe,
.remove = axi_clkgen_remove,
.remove_new = axi_clkgen_remove,
};
module_platform_driver(axi_clkgen_driver);
......
......@@ -572,15 +572,14 @@ static int axmclk_probe(struct platform_device *pdev)
return of_clk_add_hw_provider(dev->of_node, of_clk_axmclk_get, NULL);
}
static int axmclk_remove(struct platform_device *pdev)
static void axmclk_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static struct platform_driver axmclk_driver = {
.probe = axmclk_probe,
.remove = axmclk_remove,
.remove_new = axmclk_remove,
.driver = {
.name = "clk-axm5516",
.of_match_table = axmclk_match_table,
......
......@@ -297,14 +297,12 @@ void __init of_fixed_factor_clk_setup(struct device_node *node)
CLK_OF_DECLARE(fixed_factor_clk, "fixed-factor-clock",
of_fixed_factor_clk_setup);
static int of_fixed_factor_clk_remove(struct platform_device *pdev)
static void of_fixed_factor_clk_remove(struct platform_device *pdev)
{
struct clk_hw *clk = platform_get_drvdata(pdev);
of_clk_del_provider(pdev->dev.of_node);
clk_hw_unregister_fixed_factor(clk);
return 0;
}
static int of_fixed_factor_clk_probe(struct platform_device *pdev)
......@@ -336,7 +334,7 @@ static struct platform_driver of_fixed_factor_clk_driver = {
.of_match_table = of_fixed_factor_clk_ids,
},
.probe = of_fixed_factor_clk_probe,
.remove = of_fixed_factor_clk_remove,
.remove_new = of_fixed_factor_clk_remove,
};
builtin_platform_driver(of_fixed_factor_clk_driver);
#endif
......@@ -71,14 +71,12 @@ static int of_fixed_mmio_clk_probe(struct platform_device *pdev)
return 0;
}
static int of_fixed_mmio_clk_remove(struct platform_device *pdev)
static void of_fixed_mmio_clk_remove(struct platform_device *pdev)
{
struct clk_hw *clk = platform_get_drvdata(pdev);
of_clk_del_provider(pdev->dev.of_node);
clk_hw_unregister_fixed_rate(clk);
return 0;
}
static const struct of_device_id of_fixed_mmio_clk_ids[] = {
......@@ -93,7 +91,7 @@ static struct platform_driver of_fixed_mmio_clk_driver = {
.of_match_table = of_fixed_mmio_clk_ids,
},
.probe = of_fixed_mmio_clk_probe,
.remove = of_fixed_mmio_clk_remove,
.remove_new = of_fixed_mmio_clk_remove,
};
module_platform_driver(of_fixed_mmio_clk_driver);
......
......@@ -196,14 +196,12 @@ void __init of_fixed_clk_setup(struct device_node *node)
}
CLK_OF_DECLARE(fixed_clk, "fixed-clock", of_fixed_clk_setup);
static int of_fixed_clk_remove(struct platform_device *pdev)
static void of_fixed_clk_remove(struct platform_device *pdev)
{
struct clk_hw *hw = platform_get_drvdata(pdev);
of_clk_del_provider(pdev->dev.of_node);
clk_hw_unregister_fixed_rate(hw);
return 0;
}
static int of_fixed_clk_probe(struct platform_device *pdev)
......@@ -234,7 +232,7 @@ static struct platform_driver of_fixed_clk_driver = {
.of_match_table = of_fixed_clk_ids,
},
.probe = of_fixed_clk_probe,
.remove = of_fixed_clk_remove,
.remove_new = of_fixed_clk_remove,
};
builtin_platform_driver(of_fixed_clk_driver);
#endif
......@@ -350,10 +350,9 @@ static int hsdk_pll_clk_probe(struct platform_device *pdev)
&pll_clk->hw);
}
static int hsdk_pll_clk_remove(struct platform_device *pdev)
static void hsdk_pll_clk_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static void __init of_hsdk_pll_clk_setup(struct device_node *node)
......@@ -432,6 +431,6 @@ static struct platform_driver hsdk_pll_clk_driver = {
.of_match_table = hsdk_pll_clk_id,
},
.probe = hsdk_pll_clk_probe,
.remove = hsdk_pll_clk_remove,
.remove_new = hsdk_pll_clk_remove,
};
builtin_platform_driver(hsdk_pll_clk_driver);
......@@ -271,10 +271,9 @@ static int palmas_clks_probe(struct platform_device *pdev)
return ret;
}
static int palmas_clks_remove(struct platform_device *pdev)
static void palmas_clks_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static struct platform_driver palmas_clks_driver = {
......@@ -283,7 +282,7 @@ static struct platform_driver palmas_clks_driver = {
.of_match_table = palmas_clks_of_match,
},
.probe = palmas_clks_probe,
.remove = palmas_clks_remove,
.remove_new = palmas_clks_remove,
};
module_platform_driver(palmas_clks_driver);
......
......@@ -129,11 +129,9 @@ static int clk_pwm_probe(struct platform_device *pdev)
return of_clk_add_hw_provider(node, of_clk_hw_simple_get, &clk_pwm->hw);
}
static int clk_pwm_remove(struct platform_device *pdev)
static void clk_pwm_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static const struct of_device_id clk_pwm_dt_ids[] = {
......@@ -144,7 +142,7 @@ MODULE_DEVICE_TABLE(of, clk_pwm_dt_ids);
static struct platform_driver clk_pwm_driver = {
.probe = clk_pwm_probe,
.remove = clk_pwm_remove,
.remove_new = clk_pwm_remove,
.driver = {
.name = "pwm-clock",
.of_match_table = clk_pwm_dt_ids,
......
......@@ -202,7 +202,7 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
return ret;
}
static int s2mps11_clk_remove(struct platform_device *pdev)
static void s2mps11_clk_remove(struct platform_device *pdev)
{
struct s2mps11_clk *s2mps11_clks = platform_get_drvdata(pdev);
int i;
......@@ -217,8 +217,6 @@ static int s2mps11_clk_remove(struct platform_device *pdev)
continue;
clkdev_drop(s2mps11_clks[i].lookup);
}
return 0;
}
static const struct platform_device_id s2mps11_clk_id[] = {
......@@ -265,7 +263,7 @@ static struct platform_driver s2mps11_clk_driver = {
.name = "s2mps11-clk",
},
.probe = s2mps11_clk_probe,
.remove = s2mps11_clk_remove,
.remove_new = s2mps11_clk_remove,
.id_table = s2mps11_clk_id,
};
module_platform_driver(s2mps11_clk_driver);
......
......@@ -246,7 +246,7 @@ static int scpi_clk_add(struct device *dev, struct device_node *np,
return of_clk_add_hw_provider(np, scpi_of_clk_src_get, clk_data);
}
static int scpi_clocks_remove(struct platform_device *pdev)
static void scpi_clocks_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *child, *np = dev->of_node;
......@@ -258,7 +258,6 @@ static int scpi_clocks_remove(struct platform_device *pdev)
for_each_available_child_of_node(np, child)
of_clk_del_provider(np);
return 0;
}
static int scpi_clocks_probe(struct platform_device *pdev)
......@@ -305,7 +304,7 @@ static struct platform_driver scpi_clocks_driver = {
.of_match_table = scpi_clocks_ids,
},
.probe = scpi_clocks_probe,
.remove = scpi_clocks_remove,
.remove_new = scpi_clocks_remove,
};
module_platform_driver(scpi_clocks_driver);
......
......@@ -2434,15 +2434,13 @@ static int stm32mp1_rcc_clocks_probe(struct platform_device *pdev)
return ret;
}
static int stm32mp1_rcc_clocks_remove(struct platform_device *pdev)
static void stm32mp1_rcc_clocks_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *child, *np = dev_of_node(dev);
for_each_available_child_of_node(np, child)
of_clk_del_provider(child);
return 0;
}
static struct platform_driver stm32mp1_rcc_clocks_driver = {
......@@ -2451,7 +2449,7 @@ static struct platform_driver stm32mp1_rcc_clocks_driver = {
.of_match_table = stm32mp1_match_data,
},
.probe = stm32mp1_rcc_clocks_probe,
.remove = stm32mp1_rcc_clocks_remove,
.remove_new = stm32mp1_rcc_clocks_remove,
};
static int __init stm32mp1_clocks_init(void)
......
......@@ -162,13 +162,12 @@ static int hi3519_clk_probe(struct platform_device *pdev)
return 0;
}
static int hi3519_clk_remove(struct platform_device *pdev)
static void hi3519_clk_remove(struct platform_device *pdev)
{
struct hi3519_crg_data *crg = platform_get_drvdata(pdev);
hisi_reset_exit(crg->rstc);
hi3519_clk_unregister(pdev);
return 0;
}
......@@ -180,7 +179,7 @@ MODULE_DEVICE_TABLE(of, hi3519_clk_match_table);
static struct platform_driver hi3519_clk_driver = {
.probe = hi3519_clk_probe,
.remove = hi3519_clk_remove,
.remove_new = hi3519_clk_remove,
.driver = {
.name = "hi3519-clk",
.of_match_table = hi3519_clk_match_table,
......
......@@ -810,18 +810,17 @@ static int hi3559av100_crg_probe(struct platform_device *pdev)
return 0;
}
static int hi3559av100_crg_remove(struct platform_device *pdev)
static void hi3559av100_crg_remove(struct platform_device *pdev)
{
struct hisi_crg_dev *crg = platform_get_drvdata(pdev);
hisi_reset_exit(crg->rstc);
crg->funcs->unregister_clks(pdev);
return 0;
}
static struct platform_driver hi3559av100_crg_driver = {
.probe = hi3559av100_crg_probe,
.remove = hi3559av100_crg_remove,
.remove_new = hi3559av100_crg_remove,
.driver = {
.name = "hi3559av100-clock",
.of_match_table = hi3559av100_crg_match_table,
......
......@@ -284,18 +284,17 @@ static int hi3516cv300_crg_probe(struct platform_device *pdev)
return 0;
}
static int hi3516cv300_crg_remove(struct platform_device *pdev)
static void hi3516cv300_crg_remove(struct platform_device *pdev)
{
struct hisi_crg_dev *crg = platform_get_drvdata(pdev);
hisi_reset_exit(crg->rstc);
crg->funcs->unregister_clks(pdev);
return 0;
}
static struct platform_driver hi3516cv300_crg_driver = {
.probe = hi3516cv300_crg_probe,
.remove = hi3516cv300_crg_remove,
.remove_new = hi3516cv300_crg_remove,
.driver = {
.name = "hi3516cv300-crg",
.of_match_table = hi3516cv300_crg_match_table,
......
......@@ -367,18 +367,17 @@ static int hi3798cv200_crg_probe(struct platform_device *pdev)
return 0;
}
static int hi3798cv200_crg_remove(struct platform_device *pdev)
static void hi3798cv200_crg_remove(struct platform_device *pdev)
{
struct hisi_crg_dev *crg = platform_get_drvdata(pdev);
hisi_reset_exit(crg->rstc);
crg->funcs->unregister_clks(pdev);
return 0;
}
static struct platform_driver hi3798cv200_crg_driver = {
.probe = hi3798cv200_crg_probe,
.remove = hi3798cv200_crg_remove,
.remove_new = hi3798cv200_crg_remove,
.driver = {
.name = "hi3798cv200-crg",
.of_match_table = hi3798cv200_crg_match_table,
......
......@@ -689,16 +689,14 @@ static int ti_sci_clk_probe(struct platform_device *pdev)
* via common clock framework. Any memory allocated for the device will
* be free'd silently via the devm framework. Returns 0 always.
*/
static int ti_sci_clk_remove(struct platform_device *pdev)
static void ti_sci_clk_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static struct platform_driver ti_sci_clk_driver = {
.probe = ti_sci_clk_probe,
.remove = ti_sci_clk_remove,
.remove_new = ti_sci_clk_remove,
.driver = {
.name = "ti-sci-clk",
.of_match_table = of_match_ptr(ti_sci_clk_of_match),
......
......@@ -384,12 +384,10 @@ static int mmp2_audio_clk_probe(struct platform_device *pdev)
return ret;
}
static int mmp2_audio_clk_remove(struct platform_device *pdev)
static void mmp2_audio_clk_remove(struct platform_device *pdev)
{
pm_clk_destroy(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return 0;
}
#ifdef CONFIG_PM
......@@ -436,7 +434,7 @@ static struct platform_driver mmp2_audio_clk_driver = {
.pm = &mmp2_audio_clk_pm_ops,
},
.probe = mmp2_audio_clk_probe,
.remove = mmp2_audio_clk_remove,
.remove_new = mmp2_audio_clk_remove,
};
module_platform_driver(mmp2_audio_clk_driver);
......
......@@ -781,7 +781,7 @@ static int armada_3700_periph_clock_probe(struct platform_device *pdev)
return 0;
}
static int armada_3700_periph_clock_remove(struct platform_device *pdev)
static void armada_3700_periph_clock_remove(struct platform_device *pdev)
{
struct clk_periph_driver_data *data = platform_get_drvdata(pdev);
struct clk_hw_onecell_data *hw_data = data->hw_data;
......@@ -791,13 +791,11 @@ static int armada_3700_periph_clock_remove(struct platform_device *pdev)
for (i = 0; i < hw_data->num; i++)
clk_hw_unregister(hw_data->hws[i]);
return 0;
}
static struct platform_driver armada_3700_periph_clock_driver = {
.probe = armada_3700_periph_clock_probe,
.remove = armada_3700_periph_clock_remove,
.remove_new = armada_3700_periph_clock_remove,
.driver = {
.name = "marvell-armada-3700-periph-clock",
.of_match_table = armada_3700_periph_clock_of_match,
......
......@@ -126,7 +126,7 @@ static int armada_3700_tbg_clock_probe(struct platform_device *pdev)
return of_clk_add_hw_provider(np, of_clk_hw_onecell_get, hw_tbg_data);
}
static int armada_3700_tbg_clock_remove(struct platform_device *pdev)
static void armada_3700_tbg_clock_remove(struct platform_device *pdev)
{
int i;
struct clk_hw_onecell_data *hw_tbg_data = platform_get_drvdata(pdev);
......@@ -134,8 +134,6 @@ static int armada_3700_tbg_clock_remove(struct platform_device *pdev)
of_clk_del_provider(pdev->dev.of_node);
for (i = 0; i < hw_tbg_data->num; i++)
clk_hw_unregister_fixed_factor(hw_tbg_data->hws[i]);
return 0;
}
static const struct of_device_id armada_3700_tbg_clock_of_match[] = {
......@@ -145,7 +143,7 @@ static const struct of_device_id armada_3700_tbg_clock_of_match[] = {
static struct platform_driver armada_3700_tbg_clock_driver = {
.probe = armada_3700_tbg_clock_probe,
.remove = armada_3700_tbg_clock_remove,
.remove_new = armada_3700_tbg_clock_remove,
.driver = {
.name = "marvell-armada-3700-tbg-clock",
.of_match_table = armada_3700_tbg_clock_of_match,
......
......@@ -65,11 +65,9 @@ static int armada_3700_xtal_clock_probe(struct platform_device *pdev)
return ret;
}
static int armada_3700_xtal_clock_remove(struct platform_device *pdev)
static void armada_3700_xtal_clock_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static const struct of_device_id armada_3700_xtal_clock_of_match[] = {
......@@ -79,7 +77,7 @@ static const struct of_device_id armada_3700_xtal_clock_of_match[] = {
static struct platform_driver armada_3700_xtal_clock_driver = {
.probe = armada_3700_xtal_clock_probe,
.remove = armada_3700_xtal_clock_remove,
.remove_new = armada_3700_xtal_clock_remove,
.driver = {
.name = "marvell-armada-3700-xtal-clock",
.of_match_table = armada_3700_xtal_clock_of_match,
......
......@@ -1593,15 +1593,13 @@ static int stm32mp1_rcc_clocks_probe(struct platform_device *pdev)
return ret;
}
static int stm32mp1_rcc_clocks_remove(struct platform_device *pdev)
static void stm32mp1_rcc_clocks_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *child, *np = dev_of_node(dev);
for_each_available_child_of_node(np, child)
of_clk_del_provider(child);
return 0;
}
static struct platform_driver stm32mp13_rcc_clocks_driver = {
......@@ -1610,7 +1608,7 @@ static struct platform_driver stm32mp13_rcc_clocks_driver = {
.of_match_table = stm32mp13_match_data,
},
.probe = stm32mp1_rcc_clocks_probe,
.remove = stm32mp1_rcc_clocks_remove,
.remove_new = stm32mp1_rcc_clocks_remove,
};
static int __init stm32mp13_clocks_init(void)
......
......@@ -2081,7 +2081,10 @@ struct tegra_dfll_soc_data *tegra_dfll_unregister(struct platform_device *pdev)
{
struct tegra_dfll *td = platform_get_drvdata(pdev);
/* Try to prevent removal while the DFLL is active */
/*
* Note that exiting early here doesn't prevent unbinding the driver.
* Exiting early here only leaks some resources.
*/
if (td->mode != DFLL_DISABLED) {
dev_err(&pdev->dev,
"must disable DFLL before removing driver\n");
......
......@@ -612,20 +612,19 @@ static int tegra124_dfll_fcpu_probe(struct platform_device *pdev)
return 0;
}
static int tegra124_dfll_fcpu_remove(struct platform_device *pdev)
static void tegra124_dfll_fcpu_remove(struct platform_device *pdev)
{
struct tegra_dfll_soc_data *soc;
/*
* Note that exiting early here is dangerous as after this function
* returns *soc is freed.
*/
soc = tegra_dfll_unregister(pdev);
if (IS_ERR(soc)) {
dev_err(&pdev->dev, "failed to unregister DFLL: %ld\n",
PTR_ERR(soc));
return PTR_ERR(soc);
}
if (IS_ERR(soc))
return;
tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq);
return 0;
}
static const struct dev_pm_ops tegra124_dfll_pm_ops = {
......@@ -636,7 +635,7 @@ static const struct dev_pm_ops tegra124_dfll_pm_ops = {
static struct platform_driver tegra124_dfll_fcpu_driver = {
.probe = tegra124_dfll_fcpu_probe,
.remove = tegra124_dfll_fcpu_remove,
.remove_new = tegra124_dfll_fcpu_remove,
.driver = {
.name = "tegra124-dfll",
.of_match_table = tegra124_dfll_fcpu_of_match,
......
......@@ -931,13 +931,11 @@ static int ti_adpll_probe(struct platform_device *pdev)
return err;
}
static int ti_adpll_remove(struct platform_device *pdev)
static void ti_adpll_remove(struct platform_device *pdev)
{
struct ti_adpll_data *d = dev_get_drvdata(&pdev->dev);
ti_adpll_free_resources(d);
return 0;
}
static struct platform_driver ti_adpll_driver = {
......@@ -946,7 +944,7 @@ static struct platform_driver ti_adpll_driver = {
.of_match_table = ti_adpll_match,
},
.probe = ti_adpll_probe,
.remove = ti_adpll_remove,
.remove_new = ti_adpll_remove,
};
static int __init ti_adpll_init(void)
......
......@@ -91,11 +91,9 @@ static int uniphier_clk_probe(struct platform_device *pdev)
hw_data);
}
static int uniphier_clk_remove(struct platform_device *pdev)
static void uniphier_clk_remove(struct platform_device *pdev)
{
of_clk_del_provider(pdev->dev.of_node);
return 0;
}
static const struct of_device_id uniphier_clk_match[] = {
......@@ -220,7 +218,7 @@ static const struct of_device_id uniphier_clk_match[] = {
static struct platform_driver uniphier_clk_driver = {
.probe = uniphier_clk_probe,
.remove = uniphier_clk_remove,
.remove_new = uniphier_clk_remove,
.driver = {
.name = "uniphier-clk",
.of_match_table = uniphier_clk_match,
......
......@@ -92,14 +92,14 @@ static int fch_clk_probe(struct platform_device *pdev)
return 0;
}
static int fch_clk_remove(struct platform_device *pdev)
static void fch_clk_remove(struct platform_device *pdev)
{
int i, clks;
struct pci_dev *rdev;
rdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
if (!rdev)
return -ENODEV;
return;
clks = pci_match_id(fch_pci_ids, rdev) ? CLK_MAX_FIXED : ST_MAX_CLKS;
......@@ -107,7 +107,6 @@ static int fch_clk_remove(struct platform_device *pdev)
clk_hw_unregister(hws[i]);
pci_dev_put(rdev);
return 0;
}
static struct platform_driver fch_clk_driver = {
......@@ -116,6 +115,6 @@ static struct platform_driver fch_clk_driver = {
.suppress_bind_attrs = true,
},
.probe = fch_clk_probe,
.remove = fch_clk_remove,
.remove_new = fch_clk_remove,
};
builtin_platform_driver(fch_clk_driver);
......@@ -367,7 +367,7 @@ static int plt_clk_probe(struct platform_device *pdev)
return err;
}
static int plt_clk_remove(struct platform_device *pdev)
static void plt_clk_remove(struct platform_device *pdev)
{
struct clk_plt_data *data;
......@@ -377,7 +377,6 @@ static int plt_clk_remove(struct platform_device *pdev)
clkdev_drop(data->mclk_lookup);
plt_clk_unregister_loop(data, PMC_CLK_NUM);
plt_clk_unregister_parents(data);
return 0;
}
static struct platform_driver plt_clk_driver = {
......@@ -385,6 +384,6 @@ static struct platform_driver plt_clk_driver = {
.name = "clk-pmc-atom",
},
.probe = plt_clk_probe,
.remove = plt_clk_remove,
.remove_new = plt_clk_remove,
};
builtin_platform_driver(plt_clk_driver);
......@@ -8,12 +8,14 @@
*
*/
#include <linux/bitfield.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/math64.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/iopoll.h>
......@@ -37,6 +39,7 @@
#define WZRD_CLKOUT_DIVIDE_MASK (0xff << WZRD_DIVCLK_DIVIDE_SHIFT)
#define WZRD_CLKOUT_FRAC_SHIFT 8
#define WZRD_CLKOUT_FRAC_MASK 0x3ff
#define WZRD_CLKOUT0_FRAC_MASK GENMASK(17, 8)
#define WZRD_DR_MAX_INT_DIV_VALUE 255
#define WZRD_DR_STATUS_REG_OFFSET 0x04
......@@ -49,6 +52,22 @@
#define WZRD_USEC_POLL 10
#define WZRD_TIMEOUT_POLL 1000
/* Divider limits, from UG572 Table 3-4 for Ultrascale+ */
#define DIV_O 0x01
#define DIV_ALL 0x03
#define WZRD_M_MIN 2
#define WZRD_M_MAX 128
#define WZRD_D_MIN 1
#define WZRD_D_MAX 106
#define WZRD_VCO_MIN 800000000
#define WZRD_VCO_MAX 1600000000
#define WZRD_O_MIN 1
#define WZRD_O_MAX 128
#define WZRD_MIN_ERR 20000
#define WZRD_FRAC_POINTS 1000
/* Get the mask from width */
#define div_mask(width) ((1 << (width)) - 1)
......@@ -97,6 +116,9 @@ struct clk_wzrd {
* @width: width of the divider bit field
* @flags: clk_wzrd divider flags
* @table: array of value/divider pairs, last entry should have div = 0
* @m: value of the multiplier
* @d: value of the common divider
* @o: value of the leaf divider
* @lock: register lock
*/
struct clk_wzrd_divider {
......@@ -107,6 +129,9 @@ struct clk_wzrd_divider {
u8 width;
u8 flags;
const struct clk_div_table *table;
u32 m;
u32 d;
u32 o;
spinlock_t *lock; /* divider lock */
};
......@@ -198,12 +223,155 @@ static long clk_wzrd_round_rate(struct clk_hw *hw, unsigned long rate,
return *prate / div;
}
static int clk_wzrd_get_divisors(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw);
unsigned long vco_freq, freq, diff;
u32 m, d, o;
for (m = WZRD_M_MIN; m <= WZRD_M_MAX; m++) {
for (d = WZRD_D_MIN; d <= WZRD_D_MAX; d++) {
vco_freq = DIV_ROUND_CLOSEST((parent_rate * m), d);
if (vco_freq >= WZRD_VCO_MIN && vco_freq <= WZRD_VCO_MAX) {
for (o = WZRD_O_MIN; o <= WZRD_O_MAX; o++) {
freq = DIV_ROUND_CLOSEST_ULL(vco_freq, o);
diff = abs(freq - rate);
if (diff < WZRD_MIN_ERR) {
divider->m = m;
divider->d = d;
divider->o = o;
return 0;
}
}
}
}
}
return -EBUSY;
}
static int clk_wzrd_dynamic_all_nolock(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw);
unsigned long vco_freq, rate_div, clockout0_div;
u32 reg, pre, value, f;
int err;
err = clk_wzrd_get_divisors(hw, rate, parent_rate);
if (err)
return err;
vco_freq = DIV_ROUND_CLOSEST(parent_rate * divider->m, divider->d);
rate_div = DIV_ROUND_CLOSEST_ULL((vco_freq * WZRD_FRAC_POINTS), rate);
clockout0_div = div_u64(rate_div, WZRD_FRAC_POINTS);
pre = DIV_ROUND_CLOSEST_ULL(vco_freq * WZRD_FRAC_POINTS, rate);
f = (pre - (clockout0_div * WZRD_FRAC_POINTS));
f &= WZRD_CLKOUT_FRAC_MASK;
reg = FIELD_PREP(WZRD_CLKOUT_DIVIDE_MASK, clockout0_div) |
FIELD_PREP(WZRD_CLKOUT0_FRAC_MASK, f);
writel(reg, divider->base + WZRD_CLK_CFG_REG(2));
/* Set divisor and clear phase offset */
reg = FIELD_PREP(WZRD_CLKFBOUT_MULT_MASK, divider->m) |
FIELD_PREP(WZRD_DIVCLK_DIVIDE_MASK, divider->d);
writel(reg, divider->base + WZRD_CLK_CFG_REG(0));
writel(divider->o, divider->base + WZRD_CLK_CFG_REG(2));
writel(0, divider->base + WZRD_CLK_CFG_REG(3));
/* Check status register */
err = readl_poll_timeout(divider->base + WZRD_DR_STATUS_REG_OFFSET, value,
value & WZRD_DR_LOCK_BIT_MASK,
WZRD_USEC_POLL, WZRD_TIMEOUT_POLL);
if (err)
return -ETIMEDOUT;
/* Initiate reconfiguration */
writel(WZRD_DR_BEGIN_DYNA_RECONF,
divider->base + WZRD_DR_INIT_REG_OFFSET);
/* Check status register */
return readl_poll_timeout(divider->base + WZRD_DR_STATUS_REG_OFFSET, value,
value & WZRD_DR_LOCK_BIT_MASK,
WZRD_USEC_POLL, WZRD_TIMEOUT_POLL);
}
static int clk_wzrd_dynamic_all(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw);
unsigned long flags = 0;
int ret;
spin_lock_irqsave(divider->lock, flags);
ret = clk_wzrd_dynamic_all_nolock(hw, rate, parent_rate);
spin_unlock_irqrestore(divider->lock, flags);
return ret;
}
static unsigned long clk_wzrd_recalc_rate_all(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw);
u32 m, d, o, div, reg, f;
reg = readl(divider->base + WZRD_CLK_CFG_REG(0));
d = FIELD_GET(WZRD_DIVCLK_DIVIDE_MASK, reg);
m = FIELD_GET(WZRD_CLKFBOUT_MULT_MASK, reg);
reg = readl(divider->base + WZRD_CLK_CFG_REG(2));
o = FIELD_GET(WZRD_DIVCLK_DIVIDE_MASK, reg);
f = FIELD_GET(WZRD_CLKOUT0_FRAC_MASK, reg);
div = DIV_ROUND_CLOSEST(d * (WZRD_FRAC_POINTS * o + f), WZRD_FRAC_POINTS);
return divider_recalc_rate(hw, parent_rate * m, div, divider->table,
divider->flags, divider->width);
}
static long clk_wzrd_round_rate_all(struct clk_hw *hw, unsigned long rate,
unsigned long *prate)
{
struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw);
unsigned long int_freq;
u32 m, d, o, div, f;
int err;
err = clk_wzrd_get_divisors(hw, rate, *prate);
if (err)
return err;
m = divider->m;
d = divider->d;
o = divider->o;
div = d * o;
int_freq = divider_recalc_rate(hw, *prate * m, div, divider->table,
divider->flags, divider->width);
if (rate > int_freq) {
f = DIV_ROUND_CLOSEST_ULL(rate * WZRD_FRAC_POINTS, int_freq);
rate = DIV_ROUND_CLOSEST(int_freq * f, WZRD_FRAC_POINTS);
}
return rate;
}
static const struct clk_ops clk_wzrd_clk_divider_ops = {
.round_rate = clk_wzrd_round_rate,
.set_rate = clk_wzrd_dynamic_reconfig,
.recalc_rate = clk_wzrd_recalc_rate,
};
static const struct clk_ops clk_wzrd_clk_div_all_ops = {
.round_rate = clk_wzrd_round_rate_all,
.set_rate = clk_wzrd_dynamic_all,
.recalc_rate = clk_wzrd_recalc_rate_all,
};
static unsigned long clk_wzrd_recalc_ratef(struct clk_hw *hw,
unsigned long parent_rate)
{
......@@ -280,7 +448,7 @@ static struct clk *clk_wzrd_register_divf(struct device *dev,
void __iomem *base, u16 offset,
u8 shift, u8 width,
u8 clk_divider_flags,
const struct clk_div_table *table,
u32 div_type,
spinlock_t *lock)
{
struct clk_wzrd_divider *div;
......@@ -307,7 +475,6 @@ static struct clk *clk_wzrd_register_divf(struct device *dev,
div->flags = clk_divider_flags;
div->lock = lock;
div->hw.init = &init;
div->table = table;
hw = &div->hw;
ret = devm_clk_hw_register(dev, hw);
......@@ -324,7 +491,7 @@ static struct clk *clk_wzrd_register_divider(struct device *dev,
void __iomem *base, u16 offset,
u8 shift, u8 width,
u8 clk_divider_flags,
const struct clk_div_table *table,
u32 div_type,
spinlock_t *lock)
{
struct clk_wzrd_divider *div;
......@@ -337,7 +504,12 @@ static struct clk *clk_wzrd_register_divider(struct device *dev,
return ERR_PTR(-ENOMEM);
init.name = name;
init.ops = &clk_wzrd_clk_divider_ops;
if (clk_divider_flags & CLK_DIVIDER_READ_ONLY)
init.ops = &clk_divider_ro_ops;
else if (div_type == DIV_O)
init.ops = &clk_wzrd_clk_divider_ops;
else
init.ops = &clk_wzrd_clk_div_all_ops;
init.flags = flags;
init.parent_names = &parent_name;
init.num_parents = 1;
......@@ -349,7 +521,6 @@ static struct clk *clk_wzrd_register_divider(struct device *dev,
div->flags = clk_divider_flags;
div->lock = lock;
div->hw.init = &init;
div->table = table;
hw = &div->hw;
ret = devm_clk_hw_register(dev, hw);
......@@ -425,6 +596,7 @@ static int clk_wzrd_probe(struct platform_device *pdev)
const char *clk_name;
void __iomem *ctrl_reg;
struct clk_wzrd *clk_wzrd;
const char *clkout_name;
struct device_node *np = pdev->dev.of_node;
int nr_outputs;
unsigned long flags = 0;
......@@ -469,6 +641,26 @@ static int clk_wzrd_probe(struct platform_device *pdev)
goto err_disable_clk;
}
ret = of_property_read_u32(np, "xlnx,nr-outputs", &nr_outputs);
if (ret || nr_outputs > WZRD_NUM_OUTPUTS) {
ret = -EINVAL;
goto err_disable_clk;
}
clkout_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_out0", dev_name(&pdev->dev));
if (nr_outputs == 1) {
clk_wzrd->clkout[0] = clk_wzrd_register_divider
(&pdev->dev, clkout_name,
__clk_get_name(clk_wzrd->clk_in1), 0,
clk_wzrd->base, WZRD_CLK_CFG_REG(3),
WZRD_CLKOUT_DIVIDE_SHIFT,
WZRD_CLKOUT_DIVIDE_WIDTH,
CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
DIV_ALL, &clkwzrd_lock);
goto out;
}
reg = readl(clk_wzrd->base + WZRD_CLK_CFG_REG(0));
reg_f = reg & WZRD_CLKFBOUT_FRAC_MASK;
reg_f = reg_f >> WZRD_CLKFBOUT_FRAC_SHIFT;
......@@ -476,20 +668,11 @@ static int clk_wzrd_probe(struct platform_device *pdev)
reg = reg & WZRD_CLKFBOUT_MULT_MASK;
reg = reg >> WZRD_CLKFBOUT_MULT_SHIFT;
mult = (reg * 1000) + reg_f;
clk_name = kasprintf(GFP_KERNEL, "%s_mul", dev_name(&pdev->dev));
clk_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_mul", dev_name(&pdev->dev));
if (!clk_name) {
ret = -ENOMEM;
goto err_disable_clk;
}
ret = of_property_read_u32(np, "xlnx,nr-outputs", &nr_outputs);
if (ret || nr_outputs > WZRD_NUM_OUTPUTS) {
ret = -EINVAL;
goto err_disable_clk;
}
if (nr_outputs == 1)
flags = CLK_SET_RATE_PARENT;
clk_wzrd->clks_internal[wzrd_clk_mul] = clk_register_fixed_factor
(&pdev->dev, clk_name,
__clk_get_name(clk_wzrd->clk_in1),
......@@ -500,7 +683,7 @@ static int clk_wzrd_probe(struct platform_device *pdev)
goto err_disable_clk;
}
clk_name = kasprintf(GFP_KERNEL, "%s_mul_div", dev_name(&pdev->dev));
clk_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_mul_div", dev_name(&pdev->dev));
if (!clk_name) {
ret = -ENOMEM;
goto err_rm_int_clk;
......@@ -521,9 +704,8 @@ static int clk_wzrd_probe(struct platform_device *pdev)
/* register div per output */
for (i = nr_outputs - 1; i >= 0 ; i--) {
const char *clkout_name;
clkout_name = kasprintf(GFP_KERNEL, "%s_out%d", dev_name(&pdev->dev), i);
clkout_name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
"%s_out%d", dev_name(&pdev->dev), i);
if (!clkout_name) {
ret = -ENOMEM;
goto err_rm_int_clk;
......@@ -537,7 +719,7 @@ static int clk_wzrd_probe(struct platform_device *pdev)
WZRD_CLKOUT_DIVIDE_SHIFT,
WZRD_CLKOUT_DIVIDE_WIDTH,
CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
NULL, &clkwzrd_lock);
DIV_O, &clkwzrd_lock);
else
clk_wzrd->clkout[i] = clk_wzrd_register_divider
(&pdev->dev, clkout_name,
......@@ -546,7 +728,7 @@ static int clk_wzrd_probe(struct platform_device *pdev)
WZRD_CLKOUT_DIVIDE_SHIFT,
WZRD_CLKOUT_DIVIDE_WIDTH,
CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
NULL, &clkwzrd_lock);
DIV_O, &clkwzrd_lock);
if (IS_ERR(clk_wzrd->clkout[i])) {
int j;
......@@ -559,8 +741,7 @@ static int clk_wzrd_probe(struct platform_device *pdev)
}
}
kfree(clk_name);
out:
clk_wzrd->clk_data.clks = clk_wzrd->clkout;
clk_wzrd->clk_data.clk_num = ARRAY_SIZE(clk_wzrd->clkout);
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_wzrd->clk_data);
......@@ -585,7 +766,6 @@ static int clk_wzrd_probe(struct platform_device *pdev)
err_rm_int_clks:
clk_unregister(clk_wzrd->clks_internal[1]);
err_rm_int_clk:
kfree(clk_name);
clk_unregister(clk_wzrd->clks_internal[0]);
err_disable_clk:
clk_disable_unprepare(clk_wzrd->axi_clk);
......@@ -593,7 +773,7 @@ static int clk_wzrd_probe(struct platform_device *pdev)
return ret;
}
static int clk_wzrd_remove(struct platform_device *pdev)
static void clk_wzrd_remove(struct platform_device *pdev)
{
int i;
struct clk_wzrd *clk_wzrd = platform_get_drvdata(pdev);
......@@ -611,8 +791,6 @@ static int clk_wzrd_remove(struct platform_device *pdev)
}
clk_disable_unprepare(clk_wzrd->axi_clk);
return 0;
}
static const struct of_device_id clk_wzrd_ids[] = {
......@@ -630,7 +808,7 @@ static struct platform_driver clk_wzrd_driver = {
.pm = &clk_wzrd_dev_pm_ops,
},
.probe = clk_wzrd_probe,
.remove = clk_wzrd_remove,
.remove_new = clk_wzrd_remove,
};
module_platform_driver(clk_wzrd_driver);
......
......@@ -702,13 +702,11 @@ static int xvcu_probe(struct platform_device *pdev)
* Return: Returns 0 on success
* Negative error code otherwise
*/
static int xvcu_remove(struct platform_device *pdev)
static void xvcu_remove(struct platform_device *pdev)
{
struct xvcu_device *xvcu;
xvcu = platform_get_drvdata(pdev);
if (!xvcu)
return -ENODEV;
xvcu_unregister_clock_provider(xvcu);
......@@ -716,8 +714,6 @@ static int xvcu_remove(struct platform_device *pdev)
regmap_write(xvcu->logicore_reg_ba, VCU_GASKET_INIT, 0);
clk_disable_unprepare(xvcu->aclk);
return 0;
}
static const struct of_device_id xvcu_of_id_table[] = {
......@@ -733,7 +729,7 @@ static struct platform_driver xvcu_driver = {
.of_match_table = xvcu_of_id_table,
},
.probe = xvcu_probe,
.remove = xvcu_remove,
.remove_new = xvcu_remove,
};
module_platform_driver(xvcu_driver);
......
......@@ -341,7 +341,5 @@ struct clk_hw *zynqmp_clk_register_pll(const char *name, u32 clk_id,
return ERR_PTR(ret);
}
clk_hw_set_rate_range(hw, PS_PLL_VCO_MIN, PS_PLL_VCO_MAX);
return hw;
}
......@@ -27,4 +27,17 @@
#define BCM63268_CLK_TBUS 27
#define BCM63268_CLK_ROBOSW250 31
#define BCM63268_TCLK_EPHY1 0
#define BCM63268_TCLK_EPHY2 1
#define BCM63268_TCLK_EPHY3 2
#define BCM63268_TCLK_GPHY1 3
#define BCM63268_TCLK_DSL 4
#define BCM63268_TCLK_WAKEON_EPHY 6
#define BCM63268_TCLK_WAKEON_DSL 7
#define BCM63268_TCLK_FAP1 11
#define BCM63268_TCLK_FAP2 15
#define BCM63268_TCLK_UTO_50 16
#define BCM63268_TCLK_UTO_EXTIN 17
#define BCM63268_TCLK_USB_REF 18
#endif /* __DT_BINDINGS_CLOCK_BCM63268_H */
......@@ -23,4 +23,8 @@
#define BCM63268_RST_PCIE_HARD 17
#define BCM63268_RST_GPHY 18
#define BCM63268_TRST_SW 29
#define BCM63268_TRST_HW 30
#define BCM63268_TRST_POR 31
#endif /* __DT_BINDINGS_RESET_BCM63268_H */
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment