diff options
Diffstat (limited to 'arch/arm/mach-spear6xx/clock.c')
| -rw-r--r-- | arch/arm/mach-spear6xx/clock.c | 486 | 
1 files changed, 0 insertions, 486 deletions
diff --git a/arch/arm/mach-spear6xx/clock.c b/arch/arm/mach-spear6xx/clock.c deleted file mode 100644 index 36ff056b732..00000000000 --- a/arch/arm/mach-spear6xx/clock.c +++ /dev/null @@ -1,486 +0,0 @@ -/* - * arch/arm/mach-spear6xx/clock.c - * - * SPEAr6xx machines clock framework source file - * - * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar<viresh.kumar@st.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <mach/misc_regs.h> -#include <plat/clock.h> - -/* root clks */ -/* 32 KHz oscillator clock */ -static struct clk osc_32k_clk = { -	.flags = ALWAYS_ENABLED, -	.rate = 32000, -}; - -/* 30 MHz oscillator clock */ -static struct clk osc_30m_clk = { -	.flags = ALWAYS_ENABLED, -	.rate = 30000000, -}; - -/* clock derived from 32 KHz osc clk */ -/* rtc clock */ -static struct clk rtc_clk = { -	.pclk = &osc_32k_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = RTC_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* clock derived from 30 MHz osc clk */ -/* pll1 configuration structure */ -static struct pll_clk_config pll1_config = { -	.mode_reg = PLL1_CTR, -	.cfg_reg = PLL1_FRQ, -}; - -/* PLL1 clock */ -static struct clk pll1_clk = { -	.pclk = &osc_30m_clk, -	.en_reg = PLL1_CTR, -	.en_reg_bit = PLL_ENABLE, -	.recalc = &pll1_clk_recalc, -	.private_data = &pll1_config, -}; - -/* PLL3 48 MHz clock */ -static struct clk pll3_48m_clk = { -	.flags = ALWAYS_ENABLED, -	.pclk = &osc_30m_clk, -	.rate = 48000000, -}; - -/* watch dog timer clock */ -static struct clk wdt_clk = { -	.flags = ALWAYS_ENABLED, -	.pclk = &osc_30m_clk, -	.recalc = &follow_parent, -}; - -/* clock derived from pll1 clk */ -/* cpu clock */ -static struct clk cpu_clk = { -	.flags = ALWAYS_ENABLED, -	.pclk = &pll1_clk, -	.recalc = &follow_parent, -}; - -/* ahb configuration structure */ -static struct bus_clk_config ahb_config = { -	.reg = CORE_CLK_CFG, -	.mask = PLL_HCLK_RATIO_MASK, -	.shift = PLL_HCLK_RATIO_SHIFT, -}; - -/* ahb clock */ -static struct clk ahb_clk = { -	.flags = ALWAYS_ENABLED, -	.pclk = &pll1_clk, -	.recalc = &bus_clk_recalc, -	.private_data = &ahb_config, -}; - -/* uart parents */ -static struct pclk_info uart_pclk_info[] = { -	{ -		.pclk = &pll1_clk, -		.pclk_mask = AUX_CLK_PLL1_MASK, -		.scalable = 1, -	}, { -		.pclk = &pll3_48m_clk, -		.pclk_mask = AUX_CLK_PLL3_MASK, -		.scalable = 0, -	}, -}; - -/* uart parent select structure */ -static struct pclk_sel uart_pclk_sel = { -	.pclk_info = uart_pclk_info, -	.pclk_count = ARRAY_SIZE(uart_pclk_info), -	.pclk_sel_reg = PERIP_CLK_CFG, -	.pclk_sel_mask = UART_CLK_MASK, -}; - -/* uart configurations */ -static struct aux_clk_config uart_config = { -	.synth_reg = UART_CLK_SYNT, -}; - -/* uart0 clock */ -static struct clk uart0_clk = { -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = UART0_CLK_ENB, -	.pclk_sel = &uart_pclk_sel, -	.pclk_sel_shift = UART_CLK_SHIFT, -	.recalc = &aux_clk_recalc, -	.private_data = &uart_config, -}; - -/* uart1 clock */ -static struct clk uart1_clk = { -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = UART1_CLK_ENB, -	.pclk_sel = &uart_pclk_sel, -	.pclk_sel_shift = UART_CLK_SHIFT, -	.recalc = &aux_clk_recalc, -	.private_data = &uart_config, -}; - -/* firda configurations */ -static struct aux_clk_config firda_config = { -	.synth_reg = FIRDA_CLK_SYNT, -}; - -/* firda parents */ -static struct pclk_info firda_pclk_info[] = { -	{ -		.pclk = &pll1_clk, -		.pclk_mask = AUX_CLK_PLL1_MASK, -		.scalable = 1, -	}, { -		.pclk = &pll3_48m_clk, -		.pclk_mask = AUX_CLK_PLL3_MASK, -		.scalable = 0, -	}, -}; - -/* firda parent select structure */ -static struct pclk_sel firda_pclk_sel = { -	.pclk_info = firda_pclk_info, -	.pclk_count = ARRAY_SIZE(firda_pclk_info), -	.pclk_sel_reg = PERIP_CLK_CFG, -	.pclk_sel_mask = FIRDA_CLK_MASK, -}; - -/* firda clock */ -static struct clk firda_clk = { -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = FIRDA_CLK_ENB, -	.pclk_sel = &firda_pclk_sel, -	.pclk_sel_shift = FIRDA_CLK_SHIFT, -	.recalc = &aux_clk_recalc, -	.private_data = &firda_config, -}; - -/* clcd configurations */ -static struct aux_clk_config clcd_config = { -	.synth_reg = CLCD_CLK_SYNT, -}; - -/* clcd parents */ -static struct pclk_info clcd_pclk_info[] = { -	{ -		.pclk = &pll1_clk, -		.pclk_mask = AUX_CLK_PLL1_MASK, -		.scalable = 1, -	}, { -		.pclk = &pll3_48m_clk, -		.pclk_mask = AUX_CLK_PLL3_MASK, -		.scalable = 0, -	}, -}; - -/* clcd parent select structure */ -static struct pclk_sel clcd_pclk_sel = { -	.pclk_info = clcd_pclk_info, -	.pclk_count = ARRAY_SIZE(clcd_pclk_info), -	.pclk_sel_reg = PERIP_CLK_CFG, -	.pclk_sel_mask = CLCD_CLK_MASK, -}; - -/* clcd clock */ -static struct clk clcd_clk = { -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = CLCD_CLK_ENB, -	.pclk_sel = &clcd_pclk_sel, -	.pclk_sel_shift = CLCD_CLK_SHIFT, -	.recalc = &aux_clk_recalc, -	.private_data = &clcd_config, -}; - -/* gpt parents */ -static struct pclk_info gpt_pclk_info[] = { -	{ -		.pclk = &pll1_clk, -		.pclk_mask = AUX_CLK_PLL1_MASK, -		.scalable = 1, -	}, { -		.pclk = &pll3_48m_clk, -		.pclk_mask = AUX_CLK_PLL3_MASK, -		.scalable = 0, -	}, -}; - -/* gpt parent select structure */ -static struct pclk_sel gpt_pclk_sel = { -	.pclk_info = gpt_pclk_info, -	.pclk_count = ARRAY_SIZE(gpt_pclk_info), -	.pclk_sel_reg = PERIP_CLK_CFG, -	.pclk_sel_mask = GPT_CLK_MASK, -}; - -/* gpt0_1 configurations */ -static struct aux_clk_config gpt0_1_config = { -	.synth_reg = PRSC1_CLK_CFG, -}; - -/* gpt0 ARM1 subsystem timer clock */ -static struct clk gpt0_clk = { -	.flags = ALWAYS_ENABLED, -	.pclk_sel = &gpt_pclk_sel, -	.pclk_sel_shift = GPT0_CLK_SHIFT, -	.recalc = &gpt_clk_recalc, -	.private_data = &gpt0_1_config, -}; - -/* gpt1 timer clock */ -static struct clk gpt1_clk = { -	.flags = ALWAYS_ENABLED, -	.pclk_sel = &gpt_pclk_sel, -	.pclk_sel_shift = GPT1_CLK_SHIFT, -	.recalc = &gpt_clk_recalc, -	.private_data = &gpt0_1_config, -}; - -/* gpt2 configurations */ -static struct aux_clk_config gpt2_config = { -	.synth_reg = PRSC2_CLK_CFG, -}; - -/* gpt2 timer clock */ -static struct clk gpt2_clk = { -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = GPT2_CLK_ENB, -	.pclk_sel = &gpt_pclk_sel, -	.pclk_sel_shift = GPT2_CLK_SHIFT, -	.recalc = &gpt_clk_recalc, -	.private_data = &gpt2_config, -}; - -/* gpt3 configurations */ -static struct aux_clk_config gpt3_config = { -	.synth_reg = PRSC3_CLK_CFG, -}; - -/* gpt3 timer clock */ -static struct clk gpt3_clk = { -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = GPT3_CLK_ENB, -	.pclk_sel = &gpt_pclk_sel, -	.pclk_sel_shift = GPT3_CLK_SHIFT, -	.recalc = &gpt_clk_recalc, -	.private_data = &gpt3_config, -}; - -/* clock derived from pll3 clk */ -/* usbh0 clock */ -static struct clk usbh0_clk = { -	.pclk = &pll3_48m_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = USBH0_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* usbh1 clock */ -static struct clk usbh1_clk = { -	.pclk = &pll3_48m_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = USBH1_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* usbd clock */ -static struct clk usbd_clk = { -	.pclk = &pll3_48m_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = USBD_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* clock derived from ahb clk */ -/* apb configuration structure */ -static struct bus_clk_config apb_config = { -	.reg = CORE_CLK_CFG, -	.mask = HCLK_PCLK_RATIO_MASK, -	.shift = HCLK_PCLK_RATIO_SHIFT, -}; - -/* apb clock */ -static struct clk apb_clk = { -	.flags = ALWAYS_ENABLED, -	.pclk = &ahb_clk, -	.recalc = &bus_clk_recalc, -	.private_data = &apb_config, -}; - -/* i2c clock */ -static struct clk i2c_clk = { -	.pclk = &ahb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = I2C_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* dma clock */ -static struct clk dma_clk = { -	.pclk = &ahb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = DMA_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* jpeg clock */ -static struct clk jpeg_clk = { -	.pclk = &ahb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = JPEG_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* gmac clock */ -static struct clk gmac_clk = { -	.pclk = &ahb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = GMAC_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* smi clock */ -static struct clk smi_clk = { -	.pclk = &ahb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = SMI_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* fsmc clock */ -static struct clk fsmc_clk = { -	.pclk = &ahb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = FSMC_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* clock derived from apb clk */ -/* adc clock */ -static struct clk adc_clk = { -	.pclk = &apb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = ADC_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* ssp0 clock */ -static struct clk ssp0_clk = { -	.pclk = &apb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = SSP0_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* ssp1 clock */ -static struct clk ssp1_clk = { -	.pclk = &apb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = SSP1_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* ssp2 clock */ -static struct clk ssp2_clk = { -	.pclk = &apb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = SSP2_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* gpio0 ARM subsystem clock */ -static struct clk gpio0_clk = { -	.flags = ALWAYS_ENABLED, -	.pclk = &apb_clk, -	.recalc = &follow_parent, -}; - -/* gpio1 clock */ -static struct clk gpio1_clk = { -	.pclk = &apb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = GPIO1_CLK_ENB, -	.recalc = &follow_parent, -}; - -/* gpio2 clock */ -static struct clk gpio2_clk = { -	.pclk = &apb_clk, -	.en_reg = PERIP1_CLK_ENB, -	.en_reg_bit = GPIO2_CLK_ENB, -	.recalc = &follow_parent, -}; - -static struct clk dummy_apb_pclk; - -/* array of all spear 6xx clock lookups */ -static struct clk_lookup spear_clk_lookups[] = { -	{ .con_id = "apb_pclk",	.clk = &dummy_apb_pclk}, -	/* root clks */ -	{ .con_id = "osc_32k_clk",	.clk = &osc_32k_clk}, -	{ .con_id = "osc_30m_clk",	.clk = &osc_30m_clk}, -	/* clock derived from 32 KHz os		 clk */ -	{ .dev_id = "rtc",		.clk = &rtc_clk}, -	/* clock derived from 30 MHz os		 clk */ -	{ .con_id = "pll1_clk",		.clk = &pll1_clk}, -	{ .con_id = "pll3_48m_clk",	.clk = &pll3_48m_clk}, -	{ .dev_id = "wdt",		.clk = &wdt_clk}, -	/* clock derived from pll1 clk */ -	{ .con_id = "cpu_clk",		.clk = &cpu_clk}, -	{ .con_id = "ahb_clk",		.clk = &ahb_clk}, -	{ .dev_id = "uart0",		.clk = &uart0_clk}, -	{ .dev_id = "uart1",		.clk = &uart1_clk}, -	{ .dev_id = "firda",		.clk = &firda_clk}, -	{ .dev_id = "clcd",		.clk = &clcd_clk}, -	{ .dev_id = "gpt0",		.clk = &gpt0_clk}, -	{ .dev_id = "gpt1",		.clk = &gpt1_clk}, -	{ .dev_id = "gpt2",		.clk = &gpt2_clk}, -	{ .dev_id = "gpt3",		.clk = &gpt3_clk}, -	/* clock derived from pll3 clk */ -	{ .dev_id = "usbh0",		.clk = &usbh0_clk}, -	{ .dev_id = "usbh1",		.clk = &usbh1_clk}, -	{ .dev_id = "usbd",		.clk = &usbd_clk}, -	/* clock derived from ahb clk */ -	{ .con_id = "apb_clk",		.clk = &apb_clk}, -	{ .dev_id = "i2c",		.clk = &i2c_clk}, -	{ .dev_id = "dma",		.clk = &dma_clk}, -	{ .dev_id = "jpeg",		.clk = &jpeg_clk}, -	{ .dev_id = "gmac",		.clk = &gmac_clk}, -	{ .dev_id = "smi",		.clk = &smi_clk}, -	{ .dev_id = "fsmc",		.clk = &fsmc_clk}, -	/* clock derived from apb clk */ -	{ .dev_id = "adc",		.clk = &adc_clk}, -	{ .dev_id = "ssp0",		.clk = &ssp0_clk}, -	{ .dev_id = "ssp1",		.clk = &ssp1_clk}, -	{ .dev_id = "ssp2",		.clk = &ssp2_clk}, -	{ .dev_id = "gpio0",		.clk = &gpio0_clk}, -	{ .dev_id = "gpio1",		.clk = &gpio1_clk}, -	{ .dev_id = "gpio2",		.clk = &gpio2_clk}, -}; - -void __init clk_init(void) -{ -	int i; - -	for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++) -		clk_register(&spear_clk_lookups[i]); - -	recalc_root_clocks(); -}  | 
