#include <linux/slab.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/intel,agilex5-clkmgr.h>
#include "stratix10-clk.h"
#include "clk.h"
static const char * const boot_pll_parents[] = {
"osc1",
"cb-intosc-hs-div2-clk",
};
static const char * const main_pll_parents[] = {
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const periph_pll_parents[] = {
"osc1",
"cb-intosc-hs-div2-clk",
};
static const char * const core0_free_mux[] = {
"main_pll_c1",
"peri_pll_c0",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const core1_free_mux[] = {
"main_pll_c1",
"peri_pll_c0",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const core2_free_mux[] = {
"main_pll_c0",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const core3_free_mux[] = {
"main_pll_c0",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const dsu_free_mux[] = {
"main_pll_c2",
"peri_pll_c0",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const noc_free_mux[] = {
"main_pll_c3",
"peri_pll_c1",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const emac_ptp_free_mux[] = {
"main_pll_c3",
"peri_pll_c3",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const emaca_free_mux[] = {
"main_pll_c2",
"peri_pll_c3",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const emacb_free_mux[] = {
"main_pll_c3",
"peri_pll_c3",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const gpio_db_free_mux[] = {
"main_pll_c3",
"peri_pll_c1",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const psi_ref_free_mux[] = {
"main_pll_c1",
"peri_pll_c3",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const usb31_free_mux[] = {
"main_pll_c3",
"peri_pll_c2",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const s2f_user0_free_mux[] = {
"main_pll_c1",
"peri_pll_c3",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const s2f_user1_free_mux[] = {
"main_pll_c1",
"peri_pll_c3",
"osc1",
"cb-intosc-hs-div2-clk",
"f2s-free-clk",
};
static const char * const core0_mux[] = {
"core0_free_clk",
"boot_clk",
};
static const char * const core1_mux[] = {
"core1_free_clk",
"boot_clk",
};
static const char * const core2_mux[] = {
"core2_free_clk",
"boot_clk",
};
static const char * const core3_mux[] = {
"core3_free_clk",
"boot_clk",
};
static const char * const dsu_mux[] = {
"dsu_free_clk",
"boot_clk",
};
static const char * const noc_mux[] = {
"noc_free_clk",
"boot_clk",
};
static const char * const emac_mux[] = {
"emaca_free_clk",
"emacb_free_clk",
"boot_clk",
};
static const char * const s2f_user0_mux[] = {
"s2f_user0_free_clk",
"boot_clk",
};
static const char * const s2f_user1_mux[] = {
"s2f_user1_free_clk",
"boot_clk",
};
static const char * const psi_mux[] = {
"psi_ref_free_clk",
"boot_clk",
};
static const char * const gpio_db_mux[] = {
"gpio_db_free_clk",
"boot_clk",
};
static const char * const emac_ptp_mux[] = {
"emac_ptp_free_clk",
"boot_clk",
};
static const char * const usb31_mux[] = {
"usb31_free_clk",
"boot_clk",
};
static const struct agilex5_pll_clock agilex5_pll_clks[] = {
{
.id = AGILEX5_BOOT_CLK,
.name = "boot_clk",
.parent_names = boot_pll_parents,
.num_parents = ARRAY_SIZE(boot_pll_parents),
.flags = 0,
.offset = 0x0,
},
{
.id = AGILEX5_MAIN_PLL_CLK,
.name = "main_pll",
.parent_names = main_pll_parents,
.num_parents = ARRAY_SIZE(main_pll_parents),
.flags = 0,
.offset = 0x48,
},
{
.id = AGILEX5_PERIPH_PLL_CLK,
.name = "periph_pll",
.parent_names = periph_pll_parents,
.num_parents = ARRAY_SIZE(periph_pll_parents),
.flags = 0,
.offset = 0x9C,
},
};
static const struct stratix10_perip_c_clock agilex5_main_perip_c_clks[] = {
{ AGILEX5_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0,
0x5C },
{ AGILEX5_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0,
0x60 },
{ AGILEX5_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0,
0x64 },
{ AGILEX5_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0,
0x68 },
{ AGILEX5_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0,
0xB0 },
{ AGILEX5_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0,
0xB4 },
{ AGILEX5_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0,
0xB8 },
{ AGILEX5_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0,
0xBC },
};
static const struct agilex5_perip_cnt_clock agilex5_main_perip_cnt_clks[] = {
{ AGILEX5_CORE0_FREE_CLK, "core0_free_clk", core0_free_mux,
ARRAY_SIZE(core0_free_mux), 0, 0x0100, 0, 0, 0},
{ AGILEX5_CORE1_FREE_CLK, "core1_free_clk", core1_free_mux,
ARRAY_SIZE(core1_free_mux), 0, 0x0104, 0, 0, 0},
{ AGILEX5_CORE2_FREE_CLK, "core2_free_clk", core2_free_mux,
ARRAY_SIZE(core2_free_mux), 0, 0x010C, 0, 0, 0},
{ AGILEX5_CORE3_FREE_CLK, "core3_free_clk", core3_free_mux,
ARRAY_SIZE(core3_free_mux), 0, 0x0110, 0, 0, 0},
{ AGILEX5_DSU_FREE_CLK, "dsu_free_clk", dsu_free_mux,
ARRAY_SIZE(dsu_free_mux), 0, 0xfc, 0, 0, 0},
{ AGILEX5_NOC_FREE_CLK, "noc_free_clk", noc_free_mux,
ARRAY_SIZE(noc_free_mux), 0, 0x40, 0, 0, 0 },
{ AGILEX5_EMAC_A_FREE_CLK, "emaca_free_clk", emaca_free_mux,
ARRAY_SIZE(emaca_free_mux), 0, 0xD4, 0, 0x88, 0 },
{ AGILEX5_EMAC_B_FREE_CLK, "emacb_free_clk", emacb_free_mux,
ARRAY_SIZE(emacb_free_mux), 0, 0xD8, 0, 0x88, 1 },
{ AGILEX5_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", emac_ptp_free_mux,
ARRAY_SIZE(emac_ptp_free_mux), 0, 0xDC, 0, 0x88, 2 },
{ AGILEX5_GPIO_DB_FREE_CLK, "gpio_db_free_clk", gpio_db_free_mux,
ARRAY_SIZE(gpio_db_free_mux), 0, 0xE0, 0, 0x88, 3 },
{ AGILEX5_S2F_USER0_FREE_CLK, "s2f_user0_free_clk", s2f_user0_free_mux,
ARRAY_SIZE(s2f_user0_free_mux), 0, 0xE8, 0, 0x30, 2 },
{ AGILEX5_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", s2f_user1_free_mux,
ARRAY_SIZE(s2f_user1_free_mux), 0, 0xEC, 0, 0x88, 5 },
{ AGILEX5_PSI_REF_FREE_CLK, "psi_ref_free_clk", psi_ref_free_mux,
ARRAY_SIZE(psi_ref_free_mux), 0, 0xF0, 0, 0x88, 6 },
{ AGILEX5_USB31_FREE_CLK, "usb31_free_clk", usb31_free_mux,
ARRAY_SIZE(usb31_free_mux), 0, 0xF8, 0, 0x88, 7},
};
static const char * const cs_pdbg_parents[] = { "cs_at_clk" };
static const char * const usb31_bus_clk_early_parents[] = { "l4_main_clk" };
static const char * const l4_mp_clk_parent[] = { "l4_mp_clk" };
static const char * const l4_sp_clk_parent[] = { "l4_sp_clk" };
static const char * const dfi_clk_parent[] = { "dfi_clk" };
static const struct agilex5_gate_clock agilex5_gate_clks[] = {
{ AGILEX5_CORE0_CLK, "core0_clk", core0_mux,
ARRAY_SIZE(core0_mux), 0, 0x24, 8, 0, 0, 0, 0x30, 5, 0 },
{ AGILEX5_CORE1_CLK, "core1_clk", core1_mux,
ARRAY_SIZE(core1_mux), 0, 0x24, 9, 0, 0, 0, 0x30, 5, 0 },
{ AGILEX5_CORE2_CLK, "core2_clk", core2_mux,
ARRAY_SIZE(core2_mux), 0, 0x24, 10, 0, 0, 0, 0x30, 6, 0 },
{ AGILEX5_CORE3_CLK, "core3_clk", core3_mux,
ARRAY_SIZE(core3_mux), 0, 0x24, 11, 0, 0, 0, 0x30, 7, 0 },
{ AGILEX5_MPU_CLK, "dsu_clk", dsu_mux, ARRAY_SIZE(dsu_mux), 0, 0, 0,
0, 0, 0, 0x34, 4, 0 },
{ AGILEX5_MPU_PERIPH_CLK, "mpu_periph_clk", dsu_mux,
ARRAY_SIZE(dsu_mux), 0, 0, 0, 0x44, 20, 2, 0x34, 4, 0 },
{ AGILEX5_MPU_CCU_CLK, "mpu_ccu_clk", dsu_mux,
ARRAY_SIZE(dsu_mux), 0, 0, 0, 0x44, 18, 2, 0x34, 4, 0 },
{ AGILEX5_L4_MAIN_CLK, "l4_main_clk", noc_mux, ARRAY_SIZE(noc_mux),
CLK_IS_CRITICAL, 0x24, 1, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_L4_MP_CLK, "l4_mp_clk", noc_mux, ARRAY_SIZE(noc_mux), 0,
0x24, 2, 0x44, 4, 2, 0x30, 1, 0 },
{ AGILEX5_L4_SYS_FREE_CLK, "l4_sys_free_clk", noc_mux,
ARRAY_SIZE(noc_mux), 0, 0, 0, 0x44, 2, 2, 0x30, 1, 0 },
{ AGILEX5_L4_SP_CLK, "l4_sp_clk", noc_mux, ARRAY_SIZE(noc_mux),
CLK_IS_CRITICAL, 0x24, 3, 0x44, 6, 2, 0x30, 1, 0 },
{ AGILEX5_CS_AT_CLK, "cs_at_clk", noc_mux, ARRAY_SIZE(noc_mux), 0,
0x24, 4, 0x44, 24, 2, 0x30, 1, 0 },
{ AGILEX5_CS_TRACE_CLK, "cs_trace_clk", noc_mux,
ARRAY_SIZE(noc_mux), 0, 0x24, 4, 0x44, 26, 2, 0x30, 1, 0 },
{ AGILEX5_CS_PDBG_CLK, "cs_pdbg_clk", cs_pdbg_parents, 1, 0, 0x24, 4,
0x44, 28, 1, 0, 0, 0 },
{ AGILEX5_EMAC0_CLK, "emac0_clk", emac_mux, ARRAY_SIZE(emac_mux),
0, 0x7C, 0, 0, 0, 0, 0x94, 26, 0 },
{ AGILEX5_EMAC1_CLK, "emac1_clk", emac_mux, ARRAY_SIZE(emac_mux),
0, 0x7C, 1, 0, 0, 0, 0x94, 27, 0 },
{ AGILEX5_EMAC2_CLK, "emac2_clk", emac_mux, ARRAY_SIZE(emac_mux),
0, 0x7C, 2, 0, 0, 0, 0x94, 28, 0 },
{ AGILEX5_EMAC_PTP_CLK, "emac_ptp_clk", emac_ptp_mux,
ARRAY_SIZE(emac_ptp_mux), 0, 0x7C, 3, 0, 0, 0, 0x88, 2, 0 },
{ AGILEX5_GPIO_DB_CLK, "gpio_db_clk", gpio_db_mux,
ARRAY_SIZE(gpio_db_mux), 0, 0x7C, 4, 0x98, 0, 16, 0x88, 3, 1 },
{ AGILEX5_S2F_USER0_CLK, "s2f_user0_clk", s2f_user0_mux,
ARRAY_SIZE(s2f_user0_mux), 0, 0x24, 6, 0, 0, 0, 0x30, 2, 0 },
{ AGILEX5_S2F_USER1_CLK, "s2f_user1_clk", s2f_user1_mux,
ARRAY_SIZE(s2f_user1_mux), 0, 0x7C, 6, 0, 0, 0, 0x88, 5, 0 },
{ AGILEX5_PSI_REF_CLK, "psi_ref_clk", psi_mux,
ARRAY_SIZE(psi_mux), 0, 0x7C, 7, 0, 0, 0, 0x88, 6, 0 },
{ AGILEX5_USB31_SUSPEND_CLK, "usb31_suspend_clk", usb31_mux,
ARRAY_SIZE(usb31_mux), 0, 0x7C, 25, 0, 0, 0, 0x88, 7, 0 },
{ AGILEX5_USB31_BUS_CLK_EARLY, "usb31_bus_clk_early", usb31_bus_clk_early_parents,
1, 0, 0x7C, 25, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_USB2OTG_HCLK, "usb2otg_hclk", l4_mp_clk_parent, 1, 0, 0x7C,
8, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_SPIM_0_CLK, "spim_0_clk", l4_mp_clk_parent, 1, 0, 0x7C, 9,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_SPIM_1_CLK, "spim_1_clk", l4_mp_clk_parent, 1, 0, 0x7C, 11,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_SPIS_0_CLK, "spis_0_clk", l4_sp_clk_parent, 1, 0, 0x7C, 12,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_SPIS_1_CLK, "spis_1_clk", l4_sp_clk_parent, 1, 0, 0x7C, 13,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_DMA_CORE_CLK, "dma_core_clk", l4_mp_clk_parent, 1, 0, 0x7C,
14, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_DMA_HS_CLK, "dma_hs_clk", l4_mp_clk_parent, 1, 0, 0x7C, 14,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_I3C_0_CORE_CLK, "i3c_0_core_clk", l4_mp_clk_parent, 1, 0,
0x7C, 18, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_I3C_1_CORE_CLK, "i3c_1_core_clk", l4_mp_clk_parent, 1, 0,
0x7C, 19, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_I2C_0_PCLK, "i2c_0_pclk", l4_sp_clk_parent, 1, 0, 0x7C, 15,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_I2C_1_PCLK, "i2c_1_pclk", l4_sp_clk_parent, 1, 0, 0x7C, 16,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_I2C_EMAC0_PCLK, "i2c_emac0_pclk", l4_sp_clk_parent, 1, 0,
0x7C, 17, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_I2C_EMAC1_PCLK, "i2c_emac1_pclk", l4_sp_clk_parent, 1, 0,
0x7C, 22, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_I2C_EMAC2_PCLK, "i2c_emac2_pclk", l4_sp_clk_parent, 1, 0,
0x7C, 27, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_UART_0_PCLK, "uart_0_pclk", l4_sp_clk_parent, 1, 0, 0x7C, 20,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_UART_1_PCLK, "uart_1_pclk", l4_sp_clk_parent, 1, 0, 0x7C, 21,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_SPTIMER_0_PCLK, "sptimer_0_pclk", l4_sp_clk_parent, 1, 0,
0x7C, 23, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_SPTIMER_1_PCLK, "sptimer_1_pclk", l4_sp_clk_parent, 1, 0,
0x7C, 24, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_DFI_CLK, "dfi_clk", l4_mp_clk_parent, 1, 0, 0, 0, 0x44, 16,
2, 0, 0, 0 },
{ AGILEX5_NAND_NF_CLK, "nand_nf_clk", dfi_clk_parent, 1, 0, 0x7C, 10,
0, 0, 0, 0, 0, 0 },
{ AGILEX5_NAND_BCH_CLK, "nand_bch_clk", l4_mp_clk_parent, 1, 0, 0x7C,
10, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_SDMMC_SDPHY_REG_CLK, "sdmmc_sdphy_reg_clk", l4_mp_clk_parent,
1, 0, 0x7C, 5, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_SDMCLK, "sdmclk", dfi_clk_parent, 1, 0, 0x7C, 5, 0, 0, 0,
0, 0, 0 },
{ AGILEX5_SOFTPHY_REG_PCLK, "softphy_reg_pclk", l4_mp_clk_parent, 1, 0,
0x7C, 26, 0, 0, 0, 0, 0, 0 },
{ AGILEX5_SOFTPHY_PHY_CLK, "softphy_phy_clk", l4_mp_clk_parent, 1, 0,
0x7C, 26, 0x44, 16, 2, 0, 0, 0 },
{ AGILEX5_SOFTPHY_CTRL_CLK, "softphy_ctrl_clk", dfi_clk_parent, 1, 0,
0x7C, 26, 0, 0, 0, 0, 0, 0 },
};
static int
agilex5_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
int nums, struct stratix10_clock_data *data)
{
struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
hw_clk = s10_register_periph(&clks[i], base);
if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n", __func__,
clks[i].name);
continue;
}
data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
static int
agilex5_clk_register_cnt_perip(const struct agilex5_perip_cnt_clock *clks,
int nums, struct stratix10_clock_data *data)
{
struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
hw_clk = agilex5_register_cnt_periph(&clks[i], base);
if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n", __func__,
clks[i].name);
continue;
}
data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
static int agilex5_clk_register_gate(const struct agilex5_gate_clock *clks,
int nums,
struct stratix10_clock_data *data)
{
struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
hw_clk = agilex5_register_gate(&clks[i], base);
if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n", __func__,
clks[i].name);
continue;
}
data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
static int agilex5_clk_register_pll(const struct agilex5_pll_clock *clks,
int nums, struct stratix10_clock_data *data)
{
struct clk_hw *hw_clk;
void __iomem *base = data->base;
int i;
for (i = 0; i < nums; i++) {
hw_clk = agilex5_register_pll(&clks[i], base);
if (IS_ERR(hw_clk)) {
pr_err("%s: failed to register clock %s\n", __func__,
clks[i].name);
continue;
}
data->clk_data.hws[clks[i].id] = hw_clk;
}
return 0;
}
static int agilex5_clkmgr_init(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct stratix10_clock_data *clk_data;
void __iomem *base;
int i, num_clks;
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);
num_clks = AGILEX5_NUM_CLKS;
clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
num_clks), GFP_KERNEL);
if (!clk_data)
return -ENOMEM;
clk_data->base = base;
clk_data->clk_data.num = num_clks;
for (i = 0; i < num_clks; i++)
clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
agilex5_clk_register_pll(agilex5_pll_clks, ARRAY_SIZE(agilex5_pll_clks),
clk_data);
agilex5_clk_register_c_perip(agilex5_main_perip_c_clks,
ARRAY_SIZE(agilex5_main_perip_c_clks),
clk_data);
agilex5_clk_register_cnt_perip(agilex5_main_perip_cnt_clks,
ARRAY_SIZE(agilex5_main_perip_cnt_clks),
clk_data);
agilex5_clk_register_gate(agilex5_gate_clks,
ARRAY_SIZE(agilex5_gate_clks), clk_data);
of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
return 0;
}
static int agilex5_clkmgr_probe(struct platform_device *pdev)
{
int (*probe_func)(struct platform_device *init_func);
probe_func = of_device_get_match_data(&pdev->dev);
if (!probe_func)
return -ENODEV;
return probe_func(pdev);
}
static const struct of_device_id agilex5_clkmgr_match_table[] = {
{ .compatible = "intel,agilex5-clkmgr", .data = agilex5_clkmgr_init },
{}
};
static struct platform_driver agilex5_clkmgr_driver = {
.probe = agilex5_clkmgr_probe,
.driver = {
.name = "agilex5-clkmgr",
.suppress_bind_attrs = true,
.of_match_table = agilex5_clkmgr_match_table,
},
};
static int __init agilex5_clk_init(void)
{
return platform_driver_register(&agilex5_clkmgr_driver);
}
core_initcall(agilex5_clk_init);
