* [PATCH 1/1] clk: socfpga: agilex5: add clock driver for Agilex5
[not found] <cover.1759482803.git.khairul.anuar.romli@altera.com>
@ 2025-10-03 9:19 ` Khairul Anuar Romli
2025-10-05 21:56 ` Dinh Nguyen
0 siblings, 1 reply; 4+ messages in thread
From: Khairul Anuar Romli @ 2025-10-03 9:19 UTC (permalink / raw)
To: Dinh Nguyen, Michael Turquette, Stephen Boyd,
open list:COMMON CLK FRAMEWORK, open list, Ang Tien Sung,
Khairul Anuar Romli
Add the new Clock manager driver to support new Agilex5 platform. The new
driver got rid of the clk_parent_data structures as there are no 'clock-names'
property in the DT bindings and use parent_names internally. This is based on
the previous feedback from the maintainer.
Signed-off-by: Ang Tien Sung <tiensung.ang@altera.com>
Signed-off-by: Khairul Anuar Romli <khairul.anuar.romli@altera.com>
---
drivers/clk/socfpga/clk-agilex5.c | 563 +++++++++++++++++++++++++++
drivers/clk/socfpga/clk-gate-s10.c | 53 +++
drivers/clk/socfpga/clk-periph-s10.c | 41 ++
drivers/clk/socfpga/clk-pll-s10.c | 38 +-
drivers/clk/socfpga/stratix10-clk.h | 43 ++
5 files changed, 737 insertions(+), 1 deletion(-)
create mode 100644 drivers/clk/socfpga/clk-agilex5.c
diff --git a/drivers/clk/socfpga/clk-agilex5.c b/drivers/clk/socfpga/clk-agilex5.c
new file mode 100644
index 000000000000..0013fab81357
--- /dev/null
+++ b/drivers/clk/socfpga/clk-agilex5.c
@@ -0,0 +1,563 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022-2024, Intel Corporation
+ * Copyright (C) 2025, Altera 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/intel,agilex5-clkmgr.h>
+#include "stratix10-clk.h"
+#include "clk.h"
+
+/* External parent clocks come from DT via fw_name */
+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",
+};
+
+/* Core free muxes */
+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",
+};
+
+/* Secondary muxes between free_clk and boot_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,
+ },
+};
+
+/* Main PLL C0, C1, C2, C3 and Peri PLL C0, C1, C2, C3. With ping-pong counter. */
+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 },
+};
+
+/* Non-SW clock-gated enabled clocks */
+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" };
+
+/* SW Clock gate enabled clocks */
+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 },
+
+ /* Core sight clocks*/
+ { 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 },
+
+ /* Main Peripheral PLL1 Begin */
+ { 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 },
+ /* Main Peripheral PLL1 End */
+
+ /* Peripheral clocks */
+ { 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 },
+
+ /*NAND, SD/MMC and SoftPHY overall clocking*/
+ { 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;
+ struct resource *res;
+ void __iomem *base;
+ int i, num_clks;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ base = devm_ioremap_resource(dev, res);
+ 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;
+
+ for (i = 0; i < num_clks; i++)
+ clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
+
+ clk_data->base = base;
+ clk_data->clk_data.num = num_clks;
+
+ agilex5_clk_register_pll(agilex5_pll_clks, ARRAY_SIZE(agilex5_pll_clks),
+ clk_data);
+
+ /* mainPLL C0, C1, C2, C3 and periph PLL C0, C1, C2, C3*/
+ 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);
diff --git a/drivers/clk/socfpga/clk-gate-s10.c b/drivers/clk/socfpga/clk-gate-s10.c
index 3930d922efb4..dce3ef137bf3 100644
--- a/drivers/clk/socfpga/clk-gate-s10.c
+++ b/drivers/clk/socfpga/clk-gate-s10.c
@@ -239,3 +239,56 @@ struct clk_hw *agilex_register_gate(const struct stratix10_gate_clock *clks, voi
}
return hw_clk;
}
+
+struct clk_hw *agilex5_register_gate(const struct agilex5_gate_clock *clks, void __iomem *regbase)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_gate_clk *socfpga_clk;
+ struct clk_init_data init;
+ int ret;
+
+ socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
+ if (!socfpga_clk)
+ return NULL;
+
+ socfpga_clk->hw.reg = regbase + clks->gate_reg;
+ socfpga_clk->hw.bit_idx = clks->gate_idx;
+
+ gateclk_ops.enable = clk_gate_ops.enable;
+ gateclk_ops.disable = clk_gate_ops.disable;
+
+ socfpga_clk->fixed_div = clks->fixed_div;
+
+ if (clks->div_reg)
+ socfpga_clk->div_reg = regbase + clks->div_reg;
+ else
+ socfpga_clk->div_reg = NULL;
+
+ socfpga_clk->width = clks->div_width;
+ socfpga_clk->shift = clks->div_offset;
+
+ if (clks->bypass_reg)
+ socfpga_clk->bypass_reg = regbase + clks->bypass_reg;
+ else
+ socfpga_clk->bypass_reg = NULL;
+ socfpga_clk->bypass_shift = clks->bypass_shift;
+
+ if (streq(clks->name, "cs_pdbg_clk"))
+ init.ops = &dbgclk_ops;
+ else
+ init.ops = &agilex_gateclk_ops;
+
+ init.name = clks->name;
+ init.flags = clks->flags;
+ init.num_parents = clks->num_parents;
+ init.parent_names = clks->parent_names;
+ socfpga_clk->hw.hw.init = &init;
+ hw_clk = &socfpga_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, &socfpga_clk->hw.hw);
+ if (ret) {
+ kfree(socfpga_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
diff --git a/drivers/clk/socfpga/clk-periph-s10.c b/drivers/clk/socfpga/clk-periph-s10.c
index f5c1ca42b668..f12ca43ffe7c 100644
--- a/drivers/clk/socfpga/clk-periph-s10.c
+++ b/drivers/clk/socfpga/clk-periph-s10.c
@@ -214,3 +214,44 @@ struct clk_hw *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *c
}
return hw_clk;
}
+
+struct clk_hw *agilex5_register_cnt_periph(const struct agilex5_perip_cnt_clock *clks,
+ void __iomem *regbase)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_periph_clk *periph_clk;
+ struct clk_init_data init;
+ const char *name = clks->name;
+ int ret;
+
+ periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
+ if (WARN_ON(!periph_clk))
+ return NULL;
+
+ if (clks->offset)
+ periph_clk->hw.reg = regbase + clks->offset;
+ else
+ periph_clk->hw.reg = NULL;
+
+ if (clks->bypass_reg)
+ periph_clk->bypass_reg = regbase + clks->bypass_reg;
+ else
+ periph_clk->bypass_reg = NULL;
+ periph_clk->bypass_shift = clks->bypass_shift;
+ periph_clk->fixed_div = clks->fixed_divider;
+
+ init.name = name;
+ init.ops = &peri_cnt_clk_ops;
+ init.flags = clks->flags;
+ init.num_parents = clks->num_parents;
+ init.parent_names = clks->parent_names;
+ periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
+ kfree(periph_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c
index a88c212bda12..ae80814cfa92 100644
--- a/drivers/clk/socfpga/clk-pll-s10.c
+++ b/drivers/clk/socfpga/clk-pll-s10.c
@@ -182,7 +182,7 @@ static const struct clk_ops clk_pll_ops = {
};
static const struct clk_ops clk_boot_ops = {
- .recalc_rate = clk_boot_clk_recalc_rate,
+ .recalc_rate = clk_boot_clk_recalc_rate, /* TODO this is wrong*/
.get_parent = clk_boot_get_parent,
.prepare = clk_pll_prepare,
};
@@ -304,3 +304,39 @@ struct clk_hw *n5x_register_pll(const struct stratix10_pll_clock *clks,
}
return hw_clk;
}
+
+struct clk_hw *agilex5_register_pll(const struct agilex5_pll_clock *clks,
+ void __iomem *reg)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_pll *pll_clk;
+ struct clk_init_data init;
+ const char *name = clks->name;
+ int ret;
+
+ 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 = clks->parent_names;
+ pll_clk->hw.hw.init = &init;
+ pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER;
+ hw_clk = &pll_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
+ kfree(pll_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
diff --git a/drivers/clk/socfpga/stratix10-clk.h b/drivers/clk/socfpga/stratix10-clk.h
index 83fe4eb3133c..d1fe4578b3e0 100644
--- a/drivers/clk/socfpga/stratix10-clk.h
+++ b/drivers/clk/socfpga/stratix10-clk.h
@@ -73,12 +73,55 @@ struct stratix10_gate_clock {
u8 fixed_div;
};
+struct agilex5_pll_clock {
+ unsigned int id;
+ const char *name;
+ const char * const *parent_names;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long offset;
+};
+
+struct agilex5_perip_cnt_clock {
+ unsigned int id;
+ const char *name;
+ const char * const *parent_names;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long offset;
+ u8 fixed_divider;
+ unsigned long bypass_reg;
+ unsigned long bypass_shift;
+};
+
+struct agilex5_gate_clock {
+ unsigned int id;
+ const char *name;
+ const char * const *parent_names;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long gate_reg;
+ u8 gate_idx;
+ unsigned long div_reg;
+ u8 div_offset;
+ u8 div_width;
+ unsigned long bypass_reg;
+ u8 bypass_shift;
+ u8 fixed_div;
+};
+
struct clk_hw *s10_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg);
struct clk_hw *agilex_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg);
struct clk_hw *n5x_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg);
+struct clk_hw *agilex5_register_pll(const struct agilex5_pll_clock *clks,
+ void __iomem *reg);
+struct clk_hw *agilex5_register_cnt_periph(const struct agilex5_perip_cnt_clock *clks,
+ void __iomem *regbase);
+struct clk_hw *agilex5_register_gate(const struct agilex5_gate_clock *clks,
+ void __iomem *regbase);
struct clk_hw *s10_register_periph(const struct stratix10_perip_c_clock *clks,
void __iomem *reg);
struct clk_hw *n5x_register_periph(const struct n5x_perip_c_clock *clks,
--
2.35.3
^ permalink raw reply [flat|nested] 4+ messages in thread