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linux_dsm_epyc7002/drivers/clk/bcm/clk-sr.c
Thomas Gleixner cb849fc5f0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 459 
Based on 1 normalized pattern(s):

  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 the gpl this program is
  distributed in the hope that it will be useful but without any
  warranty without even the implied warranty of merchantability or
  fitness for a particular purpose see the gnu general public license
  version 2 gplv2 for more details you should have received a copy of
  the gnu general public license version 2 gplv2 along with this
  source code

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 16 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081201.771169395@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:09 +02:00

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12 KiB
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2017 Broadcom
*/
#include <linux/err.h>
#include <linux/clk-provider.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/bcm-sr.h>
#include "clk-iproc.h"
#define REG_VAL(o, s, w) { .offset = o, .shift = s, .width = w, }
#define AON_VAL(o, pw, ps, is) { .offset = o, .pwr_width = pw, \
.pwr_shift = ps, .iso_shift = is }
#define SW_CTRL_VAL(o, s) { .offset = o, .shift = s, }
#define RESET_VAL(o, rs, prs) { .offset = o, .reset_shift = rs, \
.p_reset_shift = prs }
#define DF_VAL(o, kis, kiw, kps, kpw, kas, kaw) { .offset = o, \
.ki_shift = kis, .ki_width = kiw, .kp_shift = kps, .kp_width = kpw, \
.ka_shift = kas, .ka_width = kaw }
#define VCO_CTRL_VAL(uo, lo) { .u_offset = uo, .l_offset = lo }
#define ENABLE_VAL(o, es, hs, bs) { .offset = o, .enable_shift = es, \
.hold_shift = hs, .bypass_shift = bs }
static const struct iproc_pll_ctrl sr_genpll0 = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
IPROC_CLK_PLL_NEEDS_SW_CFG,
.aon = AON_VAL(0x0, 5, 1, 0),
.reset = RESET_VAL(0x0, 12, 11),
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
.ndiv_int = REG_VAL(0x10, 20, 10),
.ndiv_frac = REG_VAL(0x10, 0, 20),
.pdiv = REG_VAL(0x14, 0, 4),
.status = REG_VAL(0x30, 12, 1),
};
static const struct iproc_clk_ctrl sr_genpll0_clk[] = {
[BCM_SR_GENPLL0_125M_CLK] = {
.channel = BCM_SR_GENPLL0_125M_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 6, 0, 12),
.mdiv = REG_VAL(0x18, 0, 9),
},
[BCM_SR_GENPLL0_SCR_CLK] = {
.channel = BCM_SR_GENPLL0_SCR_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 7, 1, 13),
.mdiv = REG_VAL(0x18, 10, 9),
},
[BCM_SR_GENPLL0_250M_CLK] = {
.channel = BCM_SR_GENPLL0_250M_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 8, 2, 14),
.mdiv = REG_VAL(0x18, 20, 9),
},
[BCM_SR_GENPLL0_PCIE_AXI_CLK] = {
.channel = BCM_SR_GENPLL0_PCIE_AXI_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 9, 3, 15),
.mdiv = REG_VAL(0x1c, 0, 9),
},
[BCM_SR_GENPLL0_PAXC_AXI_X2_CLK] = {
.channel = BCM_SR_GENPLL0_PAXC_AXI_X2_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 10, 4, 16),
.mdiv = REG_VAL(0x1c, 10, 9),
},
[BCM_SR_GENPLL0_PAXC_AXI_CLK] = {
.channel = BCM_SR_GENPLL0_PAXC_AXI_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 11, 5, 17),
.mdiv = REG_VAL(0x1c, 20, 9),
},
};
static int sr_genpll0_clk_init(struct platform_device *pdev)
{
iproc_pll_clk_setup(pdev->dev.of_node,
&sr_genpll0, NULL, 0, sr_genpll0_clk,
ARRAY_SIZE(sr_genpll0_clk));
return 0;
}
static const struct iproc_pll_ctrl sr_genpll2 = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
IPROC_CLK_PLL_NEEDS_SW_CFG,
.aon = AON_VAL(0x0, 1, 13, 12),
.reset = RESET_VAL(0x0, 12, 11),
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
.ndiv_int = REG_VAL(0x10, 20, 10),
.ndiv_frac = REG_VAL(0x10, 0, 20),
.pdiv = REG_VAL(0x14, 0, 4),
.status = REG_VAL(0x30, 12, 1),
};
static const struct iproc_clk_ctrl sr_genpll2_clk[] = {
[BCM_SR_GENPLL2_NIC_CLK] = {
.channel = BCM_SR_GENPLL2_NIC_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 6, 0, 12),
.mdiv = REG_VAL(0x18, 0, 9),
},
[BCM_SR_GENPLL2_TS_500_CLK] = {
.channel = BCM_SR_GENPLL2_TS_500_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 7, 1, 13),
.mdiv = REG_VAL(0x18, 10, 9),
},
[BCM_SR_GENPLL2_125_NITRO_CLK] = {
.channel = BCM_SR_GENPLL2_125_NITRO_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 8, 2, 14),
.mdiv = REG_VAL(0x18, 20, 9),
},
[BCM_SR_GENPLL2_CHIMP_CLK] = {
.channel = BCM_SR_GENPLL2_CHIMP_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 9, 3, 15),
.mdiv = REG_VAL(0x1c, 0, 9),
},
[BCM_SR_GENPLL2_NIC_FLASH_CLK] = {
.channel = BCM_SR_GENPLL2_NIC_FLASH_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 10, 4, 16),
.mdiv = REG_VAL(0x1c, 10, 9),
},
[BCM_SR_GENPLL2_FS4_CLK] = {
.channel = BCM_SR_GENPLL2_FS4_CLK,
.enable = ENABLE_VAL(0x4, 11, 5, 17),
.mdiv = REG_VAL(0x1c, 20, 9),
},
};
static int sr_genpll2_clk_init(struct platform_device *pdev)
{
iproc_pll_clk_setup(pdev->dev.of_node,
&sr_genpll2, NULL, 0, sr_genpll2_clk,
ARRAY_SIZE(sr_genpll2_clk));
return 0;
}
static const struct iproc_pll_ctrl sr_genpll3 = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
IPROC_CLK_PLL_NEEDS_SW_CFG,
.aon = AON_VAL(0x0, 1, 19, 18),
.reset = RESET_VAL(0x0, 12, 11),
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
.ndiv_int = REG_VAL(0x10, 20, 10),
.ndiv_frac = REG_VAL(0x10, 0, 20),
.pdiv = REG_VAL(0x14, 0, 4),
.status = REG_VAL(0x30, 12, 1),
};
static const struct iproc_clk_ctrl sr_genpll3_clk[] = {
[BCM_SR_GENPLL3_HSLS_CLK] = {
.channel = BCM_SR_GENPLL3_HSLS_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 6, 0, 12),
.mdiv = REG_VAL(0x18, 0, 9),
},
[BCM_SR_GENPLL3_SDIO_CLK] = {
.channel = BCM_SR_GENPLL3_SDIO_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 7, 1, 13),
.mdiv = REG_VAL(0x18, 10, 9),
},
};
static void sr_genpll3_clk_init(struct device_node *node)
{
iproc_pll_clk_setup(node, &sr_genpll3, NULL, 0, sr_genpll3_clk,
ARRAY_SIZE(sr_genpll3_clk));
}
CLK_OF_DECLARE(sr_genpll3_clk, "brcm,sr-genpll3", sr_genpll3_clk_init);
static const struct iproc_pll_ctrl sr_genpll4 = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
IPROC_CLK_PLL_NEEDS_SW_CFG,
.aon = AON_VAL(0x0, 1, 25, 24),
.reset = RESET_VAL(0x0, 12, 11),
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
.ndiv_int = REG_VAL(0x10, 20, 10),
.ndiv_frac = REG_VAL(0x10, 0, 20),
.pdiv = REG_VAL(0x14, 0, 4),
.status = REG_VAL(0x30, 12, 1),
};
static const struct iproc_clk_ctrl sr_genpll4_clk[] = {
[BCM_SR_GENPLL4_CCN_CLK] = {
.channel = BCM_SR_GENPLL4_CCN_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 6, 0, 12),
.mdiv = REG_VAL(0x18, 0, 9),
},
[BCM_SR_GENPLL4_TPIU_PLL_CLK] = {
.channel = BCM_SR_GENPLL4_TPIU_PLL_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 7, 1, 13),
.mdiv = REG_VAL(0x18, 10, 9),
},
[BCM_SR_GENPLL4_NOC_CLK] = {
.channel = BCM_SR_GENPLL4_NOC_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 8, 2, 14),
.mdiv = REG_VAL(0x18, 20, 9),
},
[BCM_SR_GENPLL4_CHCLK_FS4_CLK] = {
.channel = BCM_SR_GENPLL4_CHCLK_FS4_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 9, 3, 15),
.mdiv = REG_VAL(0x1c, 0, 9),
},
[BCM_SR_GENPLL4_BRIDGE_FSCPU_CLK] = {
.channel = BCM_SR_GENPLL4_BRIDGE_FSCPU_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x4, 10, 4, 16),
.mdiv = REG_VAL(0x1c, 10, 9),
},
};
static int sr_genpll4_clk_init(struct platform_device *pdev)
{
iproc_pll_clk_setup(pdev->dev.of_node,
&sr_genpll4, NULL, 0, sr_genpll4_clk,
ARRAY_SIZE(sr_genpll4_clk));
return 0;
}
static const struct iproc_pll_ctrl sr_genpll5 = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
IPROC_CLK_PLL_NEEDS_SW_CFG,
.aon = AON_VAL(0x0, 1, 1, 0),
.reset = RESET_VAL(0x0, 12, 11),
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
.ndiv_int = REG_VAL(0x10, 20, 10),
.ndiv_frac = REG_VAL(0x10, 0, 20),
.pdiv = REG_VAL(0x14, 0, 4),
.status = REG_VAL(0x30, 12, 1),
};
static const struct iproc_clk_ctrl sr_genpll5_clk[] = {
[BCM_SR_GENPLL5_FS4_HF_CLK] = {
.channel = BCM_SR_GENPLL5_FS4_HF_CLK,
.enable = ENABLE_VAL(0x4, 6, 0, 12),
.mdiv = REG_VAL(0x18, 0, 9),
},
[BCM_SR_GENPLL5_CRYPTO_AE_CLK] = {
.channel = BCM_SR_GENPLL5_CRYPTO_AE_CLK,
.enable = ENABLE_VAL(0x4, 7, 1, 12),
.mdiv = REG_VAL(0x18, 10, 9),
},
[BCM_SR_GENPLL5_RAID_AE_CLK] = {
.channel = BCM_SR_GENPLL5_RAID_AE_CLK,
.enable = ENABLE_VAL(0x4, 8, 2, 14),
.mdiv = REG_VAL(0x18, 20, 9),
},
};
static int sr_genpll5_clk_init(struct platform_device *pdev)
{
iproc_pll_clk_setup(pdev->dev.of_node,
&sr_genpll5, NULL, 0, sr_genpll5_clk,
ARRAY_SIZE(sr_genpll5_clk));
return 0;
}
static const struct iproc_pll_ctrl sr_lcpll0 = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG,
.aon = AON_VAL(0x0, 2, 19, 18),
.reset = RESET_VAL(0x0, 31, 30),
.sw_ctrl = SW_CTRL_VAL(0x4, 31),
.ndiv_int = REG_VAL(0x4, 16, 10),
.pdiv = REG_VAL(0x4, 26, 4),
.status = REG_VAL(0x38, 12, 1),
};
static const struct iproc_clk_ctrl sr_lcpll0_clk[] = {
[BCM_SR_LCPLL0_SATA_REFP_CLK] = {
.channel = BCM_SR_LCPLL0_SATA_REFP_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x0, 7, 1, 13),
.mdiv = REG_VAL(0x14, 0, 9),
},
[BCM_SR_LCPLL0_SATA_REFN_CLK] = {
.channel = BCM_SR_LCPLL0_SATA_REFN_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x0, 8, 2, 14),
.mdiv = REG_VAL(0x14, 10, 9),
},
[BCM_SR_LCPLL0_SATA_350_CLK] = {
.channel = BCM_SR_LCPLL0_SATA_350_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x0, 9, 3, 15),
.mdiv = REG_VAL(0x14, 20, 9),
},
[BCM_SR_LCPLL0_SATA_500_CLK] = {
.channel = BCM_SR_LCPLL0_SATA_500_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x0, 10, 4, 16),
.mdiv = REG_VAL(0x18, 0, 9),
},
};
static int sr_lcpll0_clk_init(struct platform_device *pdev)
{
iproc_pll_clk_setup(pdev->dev.of_node,
&sr_lcpll0, NULL, 0, sr_lcpll0_clk,
ARRAY_SIZE(sr_lcpll0_clk));
return 0;
}
static const struct iproc_pll_ctrl sr_lcpll1 = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG,
.aon = AON_VAL(0x0, 2, 22, 21),
.reset = RESET_VAL(0x0, 31, 30),
.sw_ctrl = SW_CTRL_VAL(0x4, 31),
.ndiv_int = REG_VAL(0x4, 16, 10),
.pdiv = REG_VAL(0x4, 26, 4),
.status = REG_VAL(0x38, 12, 1),
};
static const struct iproc_clk_ctrl sr_lcpll1_clk[] = {
[BCM_SR_LCPLL1_WAN_CLK] = {
.channel = BCM_SR_LCPLL1_WAN_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x0, 7, 1, 13),
.mdiv = REG_VAL(0x14, 0, 9),
},
[BCM_SR_LCPLL1_USB_REF_CLK] = {
.channel = BCM_SR_LCPLL1_USB_REF_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x0, 8, 2, 14),
.mdiv = REG_VAL(0x14, 10, 9),
},
[BCM_SR_LCPLL1_CRMU_TS_CLK] = {
.channel = BCM_SR_LCPLL1_CRMU_TS_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x0, 9, 3, 15),
.mdiv = REG_VAL(0x14, 20, 9),
},
};
static int sr_lcpll1_clk_init(struct platform_device *pdev)
{
iproc_pll_clk_setup(pdev->dev.of_node,
&sr_lcpll1, NULL, 0, sr_lcpll1_clk,
ARRAY_SIZE(sr_lcpll1_clk));
return 0;
}
static const struct iproc_pll_ctrl sr_lcpll_pcie = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG,
.aon = AON_VAL(0x0, 2, 25, 24),
.reset = RESET_VAL(0x0, 31, 30),
.sw_ctrl = SW_CTRL_VAL(0x4, 31),
.ndiv_int = REG_VAL(0x4, 16, 10),
.pdiv = REG_VAL(0x4, 26, 4),
.status = REG_VAL(0x38, 12, 1),
};
static const struct iproc_clk_ctrl sr_lcpll_pcie_clk[] = {
[BCM_SR_LCPLL_PCIE_PHY_REF_CLK] = {
.channel = BCM_SR_LCPLL_PCIE_PHY_REF_CLK,
.flags = IPROC_CLK_AON,
.enable = ENABLE_VAL(0x0, 7, 1, 13),
.mdiv = REG_VAL(0x14, 0, 9),
},
};
static int sr_lcpll_pcie_clk_init(struct platform_device *pdev)
{
iproc_pll_clk_setup(pdev->dev.of_node,
&sr_lcpll_pcie, NULL, 0, sr_lcpll_pcie_clk,
ARRAY_SIZE(sr_lcpll_pcie_clk));
return 0;
}
static const struct of_device_id sr_clk_dt_ids[] = {
{ .compatible = "brcm,sr-genpll0", .data = sr_genpll0_clk_init },
{ .compatible = "brcm,sr-genpll2", .data = sr_genpll2_clk_init },
{ .compatible = "brcm,sr-genpll4", .data = sr_genpll4_clk_init },
{ .compatible = "brcm,sr-genpll5", .data = sr_genpll5_clk_init },
{ .compatible = "brcm,sr-lcpll0", .data = sr_lcpll0_clk_init },
{ .compatible = "brcm,sr-lcpll1", .data = sr_lcpll1_clk_init },
{ .compatible = "brcm,sr-lcpll-pcie", .data = sr_lcpll_pcie_clk_init },
{ /* sentinel */ }
};
static int sr_clk_probe(struct platform_device *pdev)
{
int (*probe_func)(struct platform_device *);
probe_func = of_device_get_match_data(&pdev->dev);
if (!probe_func)
return -ENODEV;
return probe_func(pdev);
}
static struct platform_driver sr_clk_driver = {
.driver = {
.name = "sr-clk",
.of_match_table = sr_clk_dt_ids,
},
.probe = sr_clk_probe,
};
builtin_platform_driver(sr_clk_driver);
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