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+/*
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+ * SPEAr3xx machines clock framework source file
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+ *
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+ * Copyright (C) 2012 ST Microelectronics
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+ * Viresh Kumar <viresh.kumar@st.com>
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+ *
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+ * This file is licensed under the terms of the GNU General Public
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+ * License version 2. This program is licensed "as is" without any
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+ * warranty of any kind, whether express or implied.
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+ */
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+
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+#include <linux/clk.h>
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+#include <linux/clkdev.h>
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+#include <linux/err.h>
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+#include <linux/io.h>
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+#include <linux/of_platform.h>
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+#include <linux/spinlock_types.h>
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+#include <mach/misc_regs.h>
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+#include "clk.h"
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+
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+static DEFINE_SPINLOCK(_lock);
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+
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+#define PLL1_CTR (MISC_BASE + 0x008)
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+#define PLL1_FRQ (MISC_BASE + 0x00C)
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+#define PLL2_CTR (MISC_BASE + 0x014)
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+#define PLL2_FRQ (MISC_BASE + 0x018)
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+#define PLL_CLK_CFG (MISC_BASE + 0x020)
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+ /* PLL_CLK_CFG register masks */
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+ #define MCTR_CLK_SHIFT 28
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+ #define MCTR_CLK_MASK 3
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+
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+#define CORE_CLK_CFG (MISC_BASE + 0x024)
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+ /* CORE CLK CFG register masks */
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+ #define GEN_SYNTH2_3_CLK_SHIFT 18
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+ #define GEN_SYNTH2_3_CLK_MASK 1
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+
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+ #define HCLK_RATIO_SHIFT 10
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+ #define HCLK_RATIO_MASK 2
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+ #define PCLK_RATIO_SHIFT 8
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+ #define PCLK_RATIO_MASK 2
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+
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+#define PERIP_CLK_CFG (MISC_BASE + 0x028)
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+ /* PERIP_CLK_CFG register masks */
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+ #define UART_CLK_SHIFT 4
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+ #define UART_CLK_MASK 1
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+ #define FIRDA_CLK_SHIFT 5
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+ #define FIRDA_CLK_MASK 2
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+ #define GPT0_CLK_SHIFT 8
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+ #define GPT1_CLK_SHIFT 11
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+ #define GPT2_CLK_SHIFT 12
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+ #define GPT_CLK_MASK 1
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+
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+#define PERIP1_CLK_ENB (MISC_BASE + 0x02C)
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+ /* PERIP1_CLK_ENB register masks */
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+ #define UART_CLK_ENB 3
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+ #define SSP_CLK_ENB 5
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+ #define I2C_CLK_ENB 7
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+ #define JPEG_CLK_ENB 8
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+ #define FIRDA_CLK_ENB 10
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+ #define GPT1_CLK_ENB 11
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+ #define GPT2_CLK_ENB 12
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+ #define ADC_CLK_ENB 15
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+ #define RTC_CLK_ENB 17
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+ #define GPIO_CLK_ENB 18
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+ #define DMA_CLK_ENB 19
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+ #define SMI_CLK_ENB 21
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+ #define GMAC_CLK_ENB 23
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+ #define USBD_CLK_ENB 24
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+ #define USBH_CLK_ENB 25
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+ #define C3_CLK_ENB 31
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+
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+#define RAS_CLK_ENB (MISC_BASE + 0x034)
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+ #define RAS_AHB_CLK_ENB 0
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+ #define RAS_PLL1_CLK_ENB 1
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+ #define RAS_APB_CLK_ENB 2
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+ #define RAS_32K_CLK_ENB 3
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+ #define RAS_24M_CLK_ENB 4
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+ #define RAS_48M_CLK_ENB 5
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+ #define RAS_PLL2_CLK_ENB 7
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+ #define RAS_SYNT0_CLK_ENB 8
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+ #define RAS_SYNT1_CLK_ENB 9
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+ #define RAS_SYNT2_CLK_ENB 10
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+ #define RAS_SYNT3_CLK_ENB 11
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+
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+#define PRSC0_CLK_CFG (MISC_BASE + 0x044)
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+#define PRSC1_CLK_CFG (MISC_BASE + 0x048)
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+#define PRSC2_CLK_CFG (MISC_BASE + 0x04C)
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+#define AMEM_CLK_CFG (MISC_BASE + 0x050)
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+ #define AMEM_CLK_ENB 0
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+
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+#define CLCD_CLK_SYNT (MISC_BASE + 0x05C)
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+#define FIRDA_CLK_SYNT (MISC_BASE + 0x060)
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+#define UART_CLK_SYNT (MISC_BASE + 0x064)
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+#define GMAC_CLK_SYNT (MISC_BASE + 0x068)
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+#define GEN0_CLK_SYNT (MISC_BASE + 0x06C)
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+#define GEN1_CLK_SYNT (MISC_BASE + 0x070)
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+#define GEN2_CLK_SYNT (MISC_BASE + 0x074)
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+#define GEN3_CLK_SYNT (MISC_BASE + 0x078)
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+
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+/* pll rate configuration table, in ascending order of rates */
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+static struct pll_rate_tbl pll_rtbl[] = {
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+ {.mode = 0, .m = 0x53, .n = 0x0C, .p = 0x1}, /* vco 332 & pll 166 MHz */
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+ {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* vco 532 & pll 266 MHz */
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+ {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* vco 664 & pll 332 MHz */
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+};
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+
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+/* aux rate configuration table, in ascending order of rates */
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+static struct aux_rate_tbl aux_rtbl[] = {
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+ /* For PLL1 = 332 MHz */
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+ {.xscale = 2, .yscale = 27, .eq = 0}, /* 12.296 MHz */
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+ {.xscale = 2, .yscale = 8, .eq = 0}, /* 41.5 MHz */
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+ {.xscale = 2, .yscale = 4, .eq = 0}, /* 83 MHz */
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+ {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */
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+};
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+
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+/* gpt rate configuration table, in ascending order of rates */
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+static struct gpt_rate_tbl gpt_rtbl[] = {
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+ /* For pll1 = 332 MHz */
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+ {.mscale = 4, .nscale = 0}, /* 41.5 MHz */
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+ {.mscale = 2, .nscale = 0}, /* 55.3 MHz */
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+ {.mscale = 1, .nscale = 0}, /* 83 MHz */
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+};
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+
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+/* clock parents */
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+static const char *uart0_parents[] = { "pll3_48m_clk", "uart_synth_gate_clk", };
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+static const char *firda_parents[] = { "pll3_48m_clk", "firda_synth_gate_clk",
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+};
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+static const char *gpt0_parents[] = { "pll3_48m_clk", "gpt0_synth_clk", };
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+static const char *gpt1_parents[] = { "pll3_48m_clk", "gpt1_synth_clk", };
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+static const char *gpt2_parents[] = { "pll3_48m_clk", "gpt2_synth_clk", };
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+static const char *gen2_3_parents[] = { "pll1_clk", "pll2_clk", };
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+static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none",
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+ "pll2_clk", };
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+
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+#ifdef CONFIG_MACH_SPEAR300
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+static void __init spear300_clk_init(void)
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+{
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+ struct clk *clk;
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+
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+ clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_48m_clk", 0,
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+ 1, 1);
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+ clk_register_clkdev(clk, NULL, "60000000.clcd");
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+
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+ clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "94000000.flash");
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+
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+ clk = clk_register_fixed_factor(NULL, "sdhci_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "70000000.sdhci");
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+
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+ clk = clk_register_fixed_factor(NULL, "gpio1_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "a9000000.gpio");
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+
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+ clk = clk_register_fixed_factor(NULL, "kbd_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "a0000000.kbd");
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+}
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+#endif
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+
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+/* array of all spear 310 clock lookups */
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+#ifdef CONFIG_MACH_SPEAR310
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+static void __init spear310_clk_init(void)
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+{
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+ struct clk *clk;
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+
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+ clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, "emi", NULL);
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+
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+ clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "44000000.flash");
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+
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+ clk = clk_register_fixed_factor(NULL, "tdm_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "tdm");
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+
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+ clk = clk_register_fixed_factor(NULL, "uart1_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "b2000000.serial");
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+
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+ clk = clk_register_fixed_factor(NULL, "uart2_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "b2080000.serial");
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+
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+ clk = clk_register_fixed_factor(NULL, "uart3_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "b2100000.serial");
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+
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+ clk = clk_register_fixed_factor(NULL, "uart4_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "b2180000.serial");
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+
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+ clk = clk_register_fixed_factor(NULL, "uart5_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "b2200000.serial");
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+}
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+#endif
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+
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+/* array of all spear 320 clock lookups */
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+#ifdef CONFIG_MACH_SPEAR320
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+ #define SMII_PCLK_SHIFT 18
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+ #define SMII_PCLK_MASK 2
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+ #define SMII_PCLK_VAL_PAD 0x0
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+ #define SMII_PCLK_VAL_PLL2 0x1
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+ #define SMII_PCLK_VAL_SYNTH0 0x2
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+ #define SDHCI_PCLK_SHIFT 15
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+ #define SDHCI_PCLK_MASK 1
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+ #define SDHCI_PCLK_VAL_48M 0x0
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+ #define SDHCI_PCLK_VAL_SYNTH3 0x1
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+ #define I2S_REF_PCLK_SHIFT 8
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+ #define I2S_REF_PCLK_MASK 1
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+ #define I2S_REF_PCLK_SYNTH_VAL 0x1
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+ #define I2S_REF_PCLK_PLL2_VAL 0x0
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+ #define UART1_PCLK_SHIFT 6
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+ #define UART1_PCLK_MASK 1
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+ #define SPEAR320_UARTX_PCLK_VAL_SYNTH1 0x0
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+ #define SPEAR320_UARTX_PCLK_VAL_APB 0x1
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+
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+static const char *i2s_ref_parents[] = { "ras_pll2_clk",
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+ "ras_gen2_synth_gate_clk", };
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+static const char *sdhci_parents[] = { "ras_pll3_48m_clk",
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+ "ras_gen3_synth_gate_clk",
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+};
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+static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk",
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+ "ras_gen0_synth_gate_clk", };
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+static const char *uartx_parents[] = { "ras_gen1_synth_gate_clk", "ras_apb_clk",
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+};
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+
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+static void __init spear320_clk_init(void)
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+{
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+ struct clk *clk;
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+
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+ clk = clk_register_fixed_rate(NULL, "smii_125m_pad_clk", NULL,
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+ CLK_IS_ROOT, 125000000);
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+ clk_register_clkdev(clk, "smii_125m_pad", NULL);
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+
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+ clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_48m_clk", 0,
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+ 1, 1);
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+ clk_register_clkdev(clk, NULL, "90000000.clcd");
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+
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+ clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, "emi", NULL);
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+
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+ clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "4c000000.flash");
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+
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+ clk = clk_register_fixed_factor(NULL, "i2c1_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "a7000000.i2c");
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+
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+ clk = clk_register_fixed_factor(NULL, "pwm_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, "pwm", NULL);
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+
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+ clk = clk_register_fixed_factor(NULL, "ssp1_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "a5000000.spi");
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+
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+ clk = clk_register_fixed_factor(NULL, "ssp2_clk", "ras_ahb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "a6000000.spi");
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+
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+ clk = clk_register_fixed_factor(NULL, "can0_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "c_can_platform.0");
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+
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+ clk = clk_register_fixed_factor(NULL, "can1_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "c_can_platform.1");
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+
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+ clk = clk_register_fixed_factor(NULL, "i2s_clk", "ras_apb_clk", 0, 1,
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+ 1);
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+ clk_register_clkdev(clk, NULL, "i2s");
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+
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+ clk = clk_register_mux(NULL, "i2s_ref_clk", i2s_ref_parents,
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+ ARRAY_SIZE(i2s_ref_parents), 0, SPEAR320_CONTROL_REG,
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+ I2S_REF_PCLK_SHIFT, I2S_REF_PCLK_MASK, 0, &_lock);
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+ clk_register_clkdev(clk, "i2s_ref_clk", NULL);
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+
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+ clk = clk_register_fixed_factor(NULL, "i2s_sclk", "i2s_ref_clk", 0, 1,
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+ 4);
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+ clk_register_clkdev(clk, "i2s_sclk", NULL);
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+
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+ clk = clk_register_mux(NULL, "rs485_clk", uartx_parents,
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+ ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG,
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+ SPEAR320_RS485_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0,
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+ &_lock);
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+ clk_register_clkdev(clk, NULL, "a9300000.serial");
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+
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+ clk = clk_register_mux(NULL, "sdhci_clk", sdhci_parents,
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+ ARRAY_SIZE(sdhci_parents), 0, SPEAR320_CONTROL_REG,
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+ SDHCI_PCLK_SHIFT, SDHCI_PCLK_MASK, 0, &_lock);
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+ clk_register_clkdev(clk, NULL, "70000000.sdhci");
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+
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+ clk = clk_register_mux(NULL, "smii_pclk", smii0_parents,
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+ ARRAY_SIZE(smii0_parents), 0, SPEAR320_CONTROL_REG,
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+ SMII_PCLK_SHIFT, SMII_PCLK_MASK, 0, &_lock);
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+ clk_register_clkdev(clk, NULL, "smii_pclk");
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+
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+ clk = clk_register_fixed_factor(NULL, "smii_clk", "smii_pclk", 0, 1, 1);
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+ clk_register_clkdev(clk, NULL, "smii");
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+
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+ clk = clk_register_mux(NULL, "uart1_clk", uartx_parents,
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+ ARRAY_SIZE(uartx_parents), 0, SPEAR320_CONTROL_REG,
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+ UART1_PCLK_SHIFT, UART1_PCLK_MASK, 0, &_lock);
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+ clk_register_clkdev(clk, NULL, "a3000000.serial");
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+
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+ clk = clk_register_mux(NULL, "uart2_clk", uartx_parents,
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+ ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG,
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+ SPEAR320_UART2_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0,
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+ &_lock);
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+ clk_register_clkdev(clk, NULL, "a4000000.serial");
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+
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+ clk = clk_register_mux(NULL, "uart3_clk", uartx_parents,
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+ ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG,
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+ SPEAR320_UART3_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0,
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+ &_lock);
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+ clk_register_clkdev(clk, NULL, "a9100000.serial");
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+
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+ clk = clk_register_mux(NULL, "uart4_clk", uartx_parents,
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+ ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG,
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+ SPEAR320_UART4_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0,
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+ &_lock);
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+ clk_register_clkdev(clk, NULL, "a9200000.serial");
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+
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+ clk = clk_register_mux(NULL, "uart5_clk", uartx_parents,
|
|
|
+ ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG,
|
|
|
+ SPEAR320_UART5_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0,
|
|
|
+ &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "60000000.serial");
|
|
|
+
|
|
|
+ clk = clk_register_mux(NULL, "uart6_clk", uartx_parents,
|
|
|
+ ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG,
|
|
|
+ SPEAR320_UART6_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0,
|
|
|
+ &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "60100000.serial");
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+void __init spear3xx_clk_init(void)
|
|
|
+{
|
|
|
+ struct clk *clk, *clk1;
|
|
|
+
|
|
|
+ clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0);
|
|
|
+ clk_register_clkdev(clk, "apb_pclk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
|
|
|
+ 32000);
|
|
|
+ clk_register_clkdev(clk, "osc_32k_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
|
|
|
+ 24000000);
|
|
|
+ clk_register_clkdev(clk, "osc_24m_clk", NULL);
|
|
|
+
|
|
|
+ /* clock derived from 32 KHz osc clk */
|
|
|
+ clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
|
|
|
+ PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "fc900000.rtc");
|
|
|
+
|
|
|
+ /* clock derived from 24 MHz osc clk */
|
|
|
+ clk = clk_register_fixed_rate(NULL, "pll3_48m_clk", "osc_24m_clk", 0,
|
|
|
+ 48000000);
|
|
|
+ clk_register_clkdev(clk, "pll3_48m_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_24m_clk", 0, 1,
|
|
|
+ 1);
|
|
|
+ clk_register_clkdev(clk, NULL, "fc880000.wdt");
|
|
|
+
|
|
|
+ clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL,
|
|
|
+ "osc_24m_clk", 0, PLL1_CTR, PLL1_FRQ, pll_rtbl,
|
|
|
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
|
|
|
+ clk_register_clkdev(clk, "vco1_clk", NULL);
|
|
|
+ clk_register_clkdev(clk1, "pll1_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL,
|
|
|
+ "osc_24m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl,
|
|
|
+ ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
|
|
|
+ clk_register_clkdev(clk, "vco2_clk", NULL);
|
|
|
+ clk_register_clkdev(clk1, "pll2_clk", NULL);
|
|
|
+
|
|
|
+ /* clock derived from pll1 clk */
|
|
|
+ clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk", 0, 1, 1);
|
|
|
+ clk_register_clkdev(clk, "cpu_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk",
|
|
|
+ CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT,
|
|
|
+ HCLK_RATIO_MASK, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ahb_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_aux("uart_synth_clk", "uart_synth_gate_clk",
|
|
|
+ "pll1_clk", 0, UART_CLK_SYNT, NULL, aux_rtbl,
|
|
|
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
|
|
|
+ clk_register_clkdev(clk, "uart_synth_clk", NULL);
|
|
|
+ clk_register_clkdev(clk1, "uart_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_mux(NULL, "uart0_mux_clk", uart0_parents,
|
|
|
+ ARRAY_SIZE(uart0_parents), 0, PERIP_CLK_CFG,
|
|
|
+ UART_CLK_SHIFT, UART_CLK_MASK, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "uart0_mux_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "uart0", "uart0_mux_clk", 0,
|
|
|
+ PERIP1_CLK_ENB, UART_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "d0000000.serial");
|
|
|
+
|
|
|
+ clk = clk_register_aux("firda_synth_clk", "firda_synth_gate_clk",
|
|
|
+ "pll1_clk", 0, FIRDA_CLK_SYNT, NULL, aux_rtbl,
|
|
|
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
|
|
|
+ clk_register_clkdev(clk, "firda_synth_clk", NULL);
|
|
|
+ clk_register_clkdev(clk1, "firda_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_mux(NULL, "firda_mux_clk", firda_parents,
|
|
|
+ ARRAY_SIZE(firda_parents), 0, PERIP_CLK_CFG,
|
|
|
+ FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "firda_mux_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "firda_clk", "firda_mux_clk", 0,
|
|
|
+ PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "firda");
|
|
|
+
|
|
|
+ /* gpt clocks */
|
|
|
+ clk_register_gpt("gpt0_synth_clk", "pll1_clk", 0, PRSC0_CLK_CFG,
|
|
|
+ gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
|
|
|
+ clk = clk_register_mux(NULL, "gpt0_clk", gpt0_parents,
|
|
|
+ ARRAY_SIZE(gpt0_parents), 0, PERIP_CLK_CFG,
|
|
|
+ GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "gpt0");
|
|
|
+
|
|
|
+ clk_register_gpt("gpt1_synth_clk", "pll1_clk", 0, PRSC1_CLK_CFG,
|
|
|
+ gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
|
|
|
+ clk = clk_register_mux(NULL, "gpt1_mux_clk", gpt1_parents,
|
|
|
+ ARRAY_SIZE(gpt1_parents), 0, PERIP_CLK_CFG,
|
|
|
+ GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "gpt1_mux_clk", NULL);
|
|
|
+ clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mux_clk", 0,
|
|
|
+ PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "gpt1");
|
|
|
+
|
|
|
+ clk_register_gpt("gpt2_synth_clk", "pll1_clk", 0, PRSC2_CLK_CFG,
|
|
|
+ gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
|
|
|
+ clk = clk_register_mux(NULL, "gpt2_mux_clk", gpt2_parents,
|
|
|
+ ARRAY_SIZE(gpt2_parents), 0, PERIP_CLK_CFG,
|
|
|
+ GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "gpt2_mux_clk", NULL);
|
|
|
+ clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mux_clk", 0,
|
|
|
+ PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "gpt2");
|
|
|
+
|
|
|
+ /* general synths clocks */
|
|
|
+ clk = clk_register_aux("gen0_synth_clk", "gen0_synth_gate_clk",
|
|
|
+ "pll1_clk", 0, GEN0_CLK_SYNT, NULL, aux_rtbl,
|
|
|
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
|
|
|
+ clk_register_clkdev(clk, "gen0_synth_clk", NULL);
|
|
|
+ clk_register_clkdev(clk1, "gen0_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_aux("gen1_synth_clk", "gen1_synth_gate_clk",
|
|
|
+ "pll1_clk", 0, GEN1_CLK_SYNT, NULL, aux_rtbl,
|
|
|
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
|
|
|
+ clk_register_clkdev(clk, "gen1_synth_clk", NULL);
|
|
|
+ clk_register_clkdev(clk1, "gen1_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_mux(NULL, "gen2_3_parent_clk", gen2_3_parents,
|
|
|
+ ARRAY_SIZE(gen2_3_parents), 0, CORE_CLK_CFG,
|
|
|
+ GEN_SYNTH2_3_CLK_SHIFT, GEN_SYNTH2_3_CLK_MASK, 0,
|
|
|
+ &_lock);
|
|
|
+ clk_register_clkdev(clk, "gen2_3_parent_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_aux("gen2_synth_clk", "gen2_synth_gate_clk",
|
|
|
+ "gen2_3_parent_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl,
|
|
|
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
|
|
|
+ clk_register_clkdev(clk, "gen2_synth_clk", NULL);
|
|
|
+ clk_register_clkdev(clk1, "gen2_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_aux("gen3_synth_clk", "gen3_synth_gate_clk",
|
|
|
+ "gen2_3_parent_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl,
|
|
|
+ ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
|
|
|
+ clk_register_clkdev(clk, "gen3_synth_clk", NULL);
|
|
|
+ clk_register_clkdev(clk1, "gen3_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ /* clock derived from pll3 clk */
|
|
|
+ clk = clk_register_gate(NULL, "usbh_clk", "pll3_48m_clk", 0,
|
|
|
+ PERIP1_CLK_ENB, USBH_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "usbh_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_fixed_factor(NULL, "usbh.0_clk", "usbh_clk", 0, 1,
|
|
|
+ 1);
|
|
|
+ clk_register_clkdev(clk, "usbh.0_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_fixed_factor(NULL, "usbh.1_clk", "usbh_clk", 0, 1,
|
|
|
+ 1);
|
|
|
+ clk_register_clkdev(clk, "usbh.1_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "usbd_clk", "pll3_48m_clk", 0,
|
|
|
+ PERIP1_CLK_ENB, USBD_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "designware_udc");
|
|
|
+
|
|
|
+ /* clock derived from ahb clk */
|
|
|
+ clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2,
|
|
|
+ 1);
|
|
|
+ clk_register_clkdev(clk, "ahbmult2_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_mux(NULL, "ddr_clk", ddr_parents,
|
|
|
+ ARRAY_SIZE(ddr_parents), 0, PLL_CLK_CFG, MCTR_CLK_SHIFT,
|
|
|
+ MCTR_CLK_MASK, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ddr_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_divider(NULL, "apb_clk", "ahb_clk",
|
|
|
+ CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT,
|
|
|
+ PCLK_RATIO_MASK, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "apb_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "amem_clk", "ahb_clk", 0, AMEM_CLK_CFG,
|
|
|
+ AMEM_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "amem_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "c3_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ C3_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "c3_clk");
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ DMA_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "fc400000.dma");
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ GMAC_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "e0800000.eth");
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ I2C_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "d0180000.i2c");
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ JPEG_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "jpeg");
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ SMI_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "fc000000.flash");
|
|
|
+
|
|
|
+ /* clock derived from apb clk */
|
|
|
+ clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ ADC_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "adc");
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ GPIO_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "fc980000.gpio");
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
|
|
|
+ SSP_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, NULL, "d0100000.spi");
|
|
|
+
|
|
|
+ /* RAS clk enable */
|
|
|
+ clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0, RAS_CLK_ENB,
|
|
|
+ RAS_AHB_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_ahb_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB,
|
|
|
+ RAS_APB_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_apb_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0,
|
|
|
+ RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_32k_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_24m_clk", "osc_24m_clk", 0,
|
|
|
+ RAS_CLK_ENB, RAS_24M_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_24m_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_pll1_clk", "pll1_clk", 0,
|
|
|
+ RAS_CLK_ENB, RAS_PLL1_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_pll1_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0,
|
|
|
+ RAS_CLK_ENB, RAS_PLL2_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_pll2_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_pll3_48m_clk", "pll3_48m_clk", 0,
|
|
|
+ RAS_CLK_ENB, RAS_48M_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_pll3_48m_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_gen0_synth_gate_clk",
|
|
|
+ "gen0_synth_gate_clk", 0, RAS_CLK_ENB,
|
|
|
+ RAS_SYNT0_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_gen0_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_gen1_synth_gate_clk",
|
|
|
+ "gen1_synth_gate_clk", 0, RAS_CLK_ENB,
|
|
|
+ RAS_SYNT1_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_gen1_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_gen2_synth_gate_clk",
|
|
|
+ "gen2_synth_gate_clk", 0, RAS_CLK_ENB,
|
|
|
+ RAS_SYNT2_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_gen2_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ clk = clk_register_gate(NULL, "ras_gen3_synth_gate_clk",
|
|
|
+ "gen3_synth_gate_clk", 0, RAS_CLK_ENB,
|
|
|
+ RAS_SYNT3_CLK_ENB, 0, &_lock);
|
|
|
+ clk_register_clkdev(clk, "ras_gen3_synth_gate_clk", NULL);
|
|
|
+
|
|
|
+ if (of_machine_is_compatible("st,spear300"))
|
|
|
+ spear300_clk_init();
|
|
|
+ else if (of_machine_is_compatible("st,spear310"))
|
|
|
+ spear310_clk_init();
|
|
|
+ else if (of_machine_is_compatible("st,spear320"))
|
|
|
+ spear320_clk_init();
|
|
|
+}
|