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Commit 80c6b7a0 authored by Dinh Nguyen's avatar Dinh Nguyen Committed by Stephen Boyd
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clk: socfpga: agilex: add clock driver for the Agilex platform 

For the most part the Agilex clock structure is very similar to
Stratix10, so we re-use most of the Stratix10 clock driver.
Signed-off-by: default avatarDinh Nguyen <dinguyen@kernel.org>
Link: https://lkml.kernel.org/r/20200512181647.5071-5-dinguyen@kernel.orgSigned-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 6b3c5978
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Showing with 528 additions and 1 deletion
drivers/clk/Makefile
View file @ 80c6b7a0
......@@ -104,10 +104,11 @@ obj-$(CONFIG_COMMON_CLK_SAMSUNG) += samsung/
obj-$(CONFIG_CLK_SIFIVE) += sifive/
obj-$(CONFIG_ARCH_SIRF) += sirf/
obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/
obj-$(CONFIG_ARCH_AGILEX) += socfpga/
obj-$(CONFIG_ARCH_STRATIX10) += socfpga/
obj-$(CONFIG_PLAT_SPEAR) += spear/
obj-$(CONFIG_ARCH_SPRD) += sprd/
obj-$(CONFIG_ARCH_STI) += st/
obj-$(CONFIG_ARCH_STRATIX10) += socfpga/
obj-$(CONFIG_ARCH_SUNXI) += sunxi/
obj-$(CONFIG_SUNXI_CCU) += sunxi-ng/
obj-$(CONFIG_ARCH_TEGRA) += tegra/
......
drivers/clk/socfpga/Makefile
View file @ 80c6b7a0
......@@ -3,3 +3,5 @@ obj-$(CONFIG_ARCH_SOCFPGA) += clk.o clk-gate.o clk-pll.o clk-periph.o
obj-$(CONFIG_ARCH_SOCFPGA) += clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o
obj-$(CONFIG_ARCH_STRATIX10) += clk-s10.o
obj-$(CONFIG_ARCH_STRATIX10) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o
obj-$(CONFIG_ARCH_AGILEX) += clk-agilex.o
obj-$(CONFIG_ARCH_AGILEX) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o
drivers/clk/socfpga/clk-agilex.c 0 → 100644
View file @ 80c6b7a0
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019, Intel Corporation
*/
#include <linux/slab.h>
#include <linux/clk-provider.h>
#include <linux/of_device.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/agilex-clock.h>
#include "stratix10-clk.h"
static const struct clk_parent_data pll_mux[] = {
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data cntr_mux[] = {
{ .fw_name = "main_pll",
.name = "main_pll", },
{ .fw_name = "periph_pll",
.name = "periph_pll", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data boot_mux[] = {
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
};
static const struct clk_parent_data mpu_free_mux[] = {
{ .fw_name = "main_pll_c0",
.name = "main_pll_c0", },
{ .fw_name = "peri_pll_c0",
.name = "peri_pll_c0", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data noc_free_mux[] = {
{ .fw_name = "main_pll_c1",
.name = "main_pll_c1", },
{ .fw_name = "peri_pll_c1",
.name = "peri_pll_c1", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data emaca_free_mux[] = {
{ .fw_name = "main_pll_c2",
.name = "main_pll_c2", },
{ .fw_name = "peri_pll_c2",
.name = "peri_pll_c2", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data emacb_free_mux[] = {
{ .fw_name = "main_pll_c3",
.name = "main_pll_c3", },
{ .fw_name = "peri_pll_c3",
.name = "peri_pll_c3", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data emac_ptp_free_mux[] = {
{ .fw_name = "main_pll_c3",
.name = "main_pll_c3", },
{ .fw_name = "peri_pll_c3",
.name = "peri_pll_c3", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data gpio_db_free_mux[] = {
{ .fw_name = "main_pll_c3",
.name = "main_pll_c3", },
{ .fw_name = "peri_pll_c3",
.name = "peri_pll_c3", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data psi_ref_free_mux[] = {
{ .fw_name = "main_pll_c3",
.name = "main_pll_c3", },
{ .fw_name = "peri_pll_c3",
.name = "peri_pll_c3", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data sdmmc_free_mux[] = {
{ .fw_name = "main_pll_c3",
.name = "main_pll_c3", },
{ .fw_name = "peri_pll_c3",
.name = "peri_pll_c3", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data s2f_usr0_free_mux[] = {
{ .fw_name = "main_pll_c2",
.name = "main_pll_c2", },
{ .fw_name = "peri_pll_c2",
.name = "peri_pll_c2", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data s2f_usr1_free_mux[] = {
{ .fw_name = "main_pll_c2",
.name = "main_pll_c2", },
{ .fw_name = "peri_pll_c2",
.name = "peri_pll_c2", },
{ .fw_name = "osc1",
.name = "osc1", },
{ .fw_name = "cb-intosc-hs-div2-clk",
.name = "cb-intosc-hs-div2-clk", },
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
};
static const struct clk_parent_data mpu_mux[] = {
{ .fw_name = "mpu_free_clk",
.name = "mpu_free_clk", },
{ .fw_name = "boot_clk",
.name = "boot_clk", },
};
static const struct clk_parent_data s2f_usr0_mux[] = {
{ .fw_name = "f2s-free-clk",
.name = "f2s-free-clk", },
{ .fw_name = "boot_clk",
.name = "boot_clk", },
};
static const struct clk_parent_data emac_mux[] = {
{ .fw_name = "emaca_free_clk",
.name = "emaca_free_clk", },
{ .fw_name = "emacb_free_clk",
.name = "emacb_free_clk", },
};
static const struct clk_parent_data noc_mux[] = {
{ .fw_name = "noc_free_clk",
.name = "noc_free_clk", },
{ .fw_name = "boot_clk",
.name = "boot_clk", },
};
/* clocks in AO (always on) controller */
static const struct stratix10_pll_clock agilex_pll_clks[] = {
{ AGILEX_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0,
0x0},
{ AGILEX_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux),
0, 0x48},
{ AGILEX_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux),
0, 0x9c},
};
static const struct stratix10_perip_c_clock agilex_main_perip_c_clks[] = {
{ AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x58},
{ AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x5C},
{ AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x64},
{ AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x68},
{ AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xAC},
{ AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xB0},
{ AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xB8},
{ AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xBC},
};
static const struct stratix10_perip_cnt_clock agilex_main_perip_cnt_clks[] = {
{ AGILEX_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux),
0, 0x3C, 0, 0, 0},
{ AGILEX_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux),
0, 0x40, 0, 0, 1},
{ AGILEX_L4_SYS_FREE_CLK, "l4_sys_free_clk", "noc_free_clk", NULL, 1, 0,
0, 4, 0, 0},
{ AGILEX_NOC_CLK, "noc_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux),
0, 0, 0, 0x30, 1},
{ AGILEX_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux),
0, 0xD4, 0, 0x88, 0},
{ AGILEX_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux),
0, 0xD8, 0, 0x88, 1},
{ AGILEX_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux,
ARRAY_SIZE(emac_ptp_free_mux), 0, 0xDC, 0, 0x88, 2},
{ AGILEX_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux,
ARRAY_SIZE(gpio_db_free_mux), 0, 0xE0, 0, 0x88, 3},
{ AGILEX_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux,
ARRAY_SIZE(sdmmc_free_mux), 0, 0xE4, 0, 0x88, 4},
{ AGILEX_S2F_USER0_FREE_CLK, "s2f_user0_free_clk", NULL, s2f_usr0_free_mux,
ARRAY_SIZE(s2f_usr0_free_mux), 0, 0xE8, 0, 0, 0},
{ AGILEX_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux,
ARRAY_SIZE(s2f_usr1_free_mux), 0, 0xEC, 0, 0x88, 5},
{ AGILEX_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux,
ARRAY_SIZE(psi_ref_free_mux), 0, 0xF0, 0, 0x88, 6},
};
static const struct stratix10_gate_clock agilex_gate_clks[] = {
{ AGILEX_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x24,
0, 0, 0, 0, 0x30, 0, 0},
{ AGILEX_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x24,
0, 0, 0, 0, 0, 0, 4},
{ AGILEX_MPU_L2RAM_CLK, "mpu_l2ram_clk", "mpu_clk", NULL, 1, 0, 0x24,
0, 0, 0, 0, 0, 0, 2},
{ AGILEX_L4_MAIN_CLK, "l4_main_clk", "noc_clk", NULL, 1, 0, 0x24,
1, 0x44, 0, 2, 0, 0, 0},
{ AGILEX_L4_MP_CLK, "l4_mp_clk", "noc_clk", NULL, 1, 0, 0x24,
2, 0x44, 8, 2, 0, 0, 0},
/*
* The l4_sp_clk feeds a 100 MHz clock to various peripherals, one of them
* being the SP timers, thus cannot get gated.
*/
{ AGILEX_L4_SP_CLK, "l4_sp_clk", "noc_clk", NULL, 1, CLK_IS_CRITICAL, 0x24,
3, 0x44, 16, 2, 0, 0, 0},
{ AGILEX_CS_AT_CLK, "cs_at_clk", "noc_clk", NULL, 1, 0, 0x24,
4, 0x44, 24, 2, 0, 0, 0},
{ AGILEX_CS_TRACE_CLK, "cs_trace_clk", "noc_clk", NULL, 1, 0, 0x24,
4, 0x44, 26, 2, 0, 0, 0},
{ AGILEX_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x24,
4, 0x44, 28, 1, 0, 0, 0},
{ AGILEX_CS_TIMER_CLK, "cs_timer_clk", "noc_clk", NULL, 1, 0, 0x24,
5, 0, 0, 0, 0, 0, 0},
{ AGILEX_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_usr0_mux, ARRAY_SIZE(s2f_usr0_mux), 0, 0x24,
6, 0, 0, 0, 0, 0, 0},
{ AGILEX_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
0, 0, 0, 0, 0x94, 26, 0},
{ AGILEX_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
1, 0, 0, 0, 0x94, 27, 0},
{ AGILEX_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
2, 0, 0, 0, 0x94, 28, 0},
{ AGILEX_EMAC_PTP_CLK, "emac_ptp_clk", "emac_ptp_free_clk", NULL, 1, 0, 0x7C,
3, 0, 0, 0, 0, 0, 0},
{ AGILEX_GPIO_DB_CLK, "gpio_db_clk", "gpio_db_free_clk", NULL, 1, 0, 0x7C,
4, 0x98, 0, 16, 0, 0, 0},
{ AGILEX_SDMMC_CLK, "sdmmc_clk", "sdmmc_free_clk", NULL, 1, 0, 0x7C,
5, 0, 0, 0, 0, 0, 4},
{ AGILEX_S2F_USER1_CLK, "s2f_user1_clk", "s2f_user1_free_clk", NULL, 1, 0, 0x7C,
6, 0, 0, 0, 0, 0, 0},
{ AGILEX_PSI_REF_CLK, "psi_ref_clk", "psi_ref_free_clk", NULL, 1, 0, 0x7C,
7, 0, 0, 0, 0, 0, 0},
{ AGILEX_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
8, 0, 0, 0, 0, 0, 0},
{ AGILEX_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
9, 0, 0, 0, 0, 0, 0},
{ AGILEX_NAND_CLK, "nand_clk", "l4_main_clk", NULL, 1, 0, 0x7C,
10, 0, 0, 0, 0, 0, 0},
};
static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
int nums, struct stratix10_clock_data *data)
{
struct clk *clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
clk = s10_register_periph(&clks[i], base);
if (IS_ERR(clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
data->clk_data.clks[clks[i].id] = clk;
}
return 0;
}
static int agilex_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks,
int nums, struct stratix10_clock_data *data)
{
struct clk *clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
clk = s10_register_cnt_periph(&clks[i], base);
if (IS_ERR(clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
data->clk_data.clks[clks[i].id] = clk;
}
return 0;
}
static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks, int nums, struct stratix10_clock_data *data)
{
struct clk *clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
clk = s10_register_gate(&clks[i], base);
if (IS_ERR(clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
data->clk_data.clks[clks[i].id] = clk;
}
return 0;
}
static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks,
int nums, struct stratix10_clock_data *data)
{
struct clk *clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
clk = agilex_register_pll(&clks[i], base);
if (IS_ERR(clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
continue;
}
data->clk_data.clks[clks[i].id] = clk;
}
return 0;
}
static struct stratix10_clock_data *__socfpga_agilex_clk_init(struct platform_device *pdev,
int nr_clks)
{
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct stratix10_clock_data *clk_data;
struct clk **clk_table;
struct resource *res;
void __iomem *base;
int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(dev, res);
if (IS_ERR(base))
return ERR_CAST(base);
clk_data = devm_kzalloc(dev, sizeof(*clk_data), GFP_KERNEL);
if (!clk_data)
return ERR_PTR(-ENOMEM);
clk_data->base = base;
clk_table = devm_kcalloc(dev, nr_clks, sizeof(*clk_table), GFP_KERNEL);
if (!clk_table)
return ERR_PTR(-ENOMEM);
clk_data->clk_data.clks = clk_table;
clk_data->clk_data.clk_num = nr_clks;
ret = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data->clk_data);
if (ret)
return ERR_PTR(ret);
return clk_data;
}
static int agilex_clkmgr_probe(struct platform_device *pdev)
{
struct stratix10_clock_data *clk_data;
clk_data = __socfpga_agilex_clk_init(pdev, AGILEX_NUM_CLKS);
if (IS_ERR(clk_data))
return PTR_ERR(clk_data);
agilex_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
agilex_clk_register_c_perip(agilex_main_perip_c_clks,
ARRAY_SIZE(agilex_main_perip_c_clks), clk_data);
agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
ARRAY_SIZE(agilex_main_perip_cnt_clks),
clk_data);
agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
clk_data);
return 0;
}
static const struct of_device_id agilex_clkmgr_match_table[] = {
{ .compatible = "intel,agilex-clkmgr",
.data = agilex_clkmgr_probe },
{ }
};
static struct platform_driver agilex_clkmgr_driver = {
.probe = agilex_clkmgr_probe,
.driver = {
.name = "agilex-clkmgr",
.suppress_bind_attrs = true,
.of_match_table = agilex_clkmgr_match_table,
},
};
static int __init agilex_clk_init(void)
{
return platform_driver_register(&agilex_clkmgr_driver);
}
core_initcall(agilex_clk_init);
drivers/clk/socfpga/clk-pll-s10.c
View file @ 80c6b7a0
......@@ -18,8 +18,12 @@
#define SOCFPGA_PLL_RESET_MASK 0x2
#define SOCFPGA_PLL_REFDIV_MASK 0x00003F00
#define SOCFPGA_PLL_REFDIV_SHIFT 8
#define SOCFPGA_PLL_AREFDIV_MASK 0x00000F00
#define SOCFPGA_PLL_DREFDIV_MASK 0x00003000
#define SOCFPGA_PLL_DREFDIV_SHIFT 12
#define SOCFPGA_PLL_MDIV_MASK 0xFF000000
#define SOCFPGA_PLL_MDIV_SHIFT 24
#define SOCFPGA_AGILEX_PLL_MDIV_MASK 0x000003FF
#define SWCTRLBTCLKSEL_MASK 0x200
#define SWCTRLBTCLKSEL_SHIFT 9
......@@ -27,6 +31,27 @@
#define to_socfpga_clk(p) container_of(p, struct socfpga_pll, hw.hw)
static unsigned long agilex_clk_pll_recalc_rate(struct clk_hw *hwclk,
unsigned long parent_rate)
{
struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
unsigned long arefdiv, reg, mdiv;
unsigned long long vco_freq;
/* read VCO1 reg for numerator and denominator */
reg = readl(socfpgaclk->hw.reg);
arefdiv = (reg & SOCFPGA_PLL_AREFDIV_MASK) >> SOCFPGA_PLL_REFDIV_SHIFT;
vco_freq = (unsigned long long)parent_rate / arefdiv;
/* Read mdiv and fdiv from the fdbck register */
reg = readl(socfpgaclk->hw.reg + 0x24);
mdiv = reg & SOCFPGA_AGILEX_PLL_MDIV_MASK;
vco_freq = (unsigned long long)vco_freq * mdiv;
return (unsigned long)vco_freq;
}
static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk,
unsigned long parent_rate)
{
......@@ -98,6 +123,12 @@ static int clk_pll_prepare(struct clk_hw *hwclk)
return 0;
}
static const struct clk_ops agilex_clk_pll_ops = {
.recalc_rate = agilex_clk_pll_recalc_rate,
.get_parent = clk_pll_get_parent,
.prepare = clk_pll_prepare,
};
static const struct clk_ops clk_pll_ops = {
.recalc_rate = clk_pll_recalc_rate,
.get_parent = clk_pll_get_parent,
......@@ -146,3 +177,40 @@ struct clk *s10_register_pll(const struct stratix10_pll_clock *clks,
}
return clk;
}
struct clk *agilex_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg)
{
struct clk *clk;
struct socfpga_pll *pll_clk;
struct clk_init_data init;
const char *name = clks->name;
pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
if (WARN_ON(!pll_clk))
return NULL;
pll_clk->hw.reg = reg + clks->offset;
if (streq(name, SOCFPGA_BOOT_CLK))
init.ops = &clk_boot_ops;
else
init.ops = &agilex_clk_pll_ops;
init.name = name;
init.flags = clks->flags;
init.num_parents = clks->num_parents;
init.parent_names = NULL;
init.parent_data = clks->parent_data;
pll_clk->hw.hw.init = &init;
pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER;
clk = clk_register(NULL, &pll_clk->hw.hw);
if (WARN_ON(IS_ERR(clk))) {
kfree(pll_clk);
return NULL;
}
return clk;
}
drivers/clk/socfpga/stratix10-clk.h
View file @ 80c6b7a0
......@@ -62,6 +62,8 @@ struct stratix10_gate_clock {
struct clk *s10_register_pll(const struct stratix10_pll_clock *,
void __iomem *);
struct clk *agilex_register_pll(const struct stratix10_pll_clock *,
void __iomem *);
struct clk *s10_register_periph(const struct stratix10_perip_c_clock *,
void __iomem *);
struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *,
......
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