From d7e8f1f9d655af2c7ea90738bf567aa6990159b3 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 18 Jan 2009 23:03:15 +0000 Subject: [ARM] omap: convert OMAP1 to use clkdev Signed-off-by: Russell King --- arch/arm/mach-omap1/clock.c | 117 +++++++++++++++++++++++++++++++++++--------- 1 file changed, 94 insertions(+), 23 deletions(-) (limited to 'arch/arm/mach-omap1/clock.c') diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index 6b17da120e5f..829b9b845b85 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c @@ -20,6 +20,7 @@ #include #include +#include #include #include @@ -32,6 +33,83 @@ static const struct clkops clkops_dspck; #include "clock.h" +struct omap_clk { + u32 cpu; + struct clk_lookup lk; +}; + +#define CLK(dev, con, ck, cp) \ + { \ + .cpu = cp, \ + .lk = { \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ + }, \ + } + +#define CK_310 (1 << 0) +#define CK_730 (1 << 1) +#define CK_1510 (1 << 2) +#define CK_16XX (1 << 3) + +static struct omap_clk omap_clks[] = { + /* non-ULPD clocks */ + CLK(NULL, "ck_ref", &ck_ref, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "ck_dpll1", &ck_dpll1, CK_16XX | CK_1510 | CK_310), + /* CK_GEN1 clocks */ + CLK(NULL, "ck_dpll1out", &ck_dpll1out.clk, CK_16XX), + CLK(NULL, "ck_sossi", &sossi_ck, CK_16XX), + CLK(NULL, "arm_ck", &arm_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "armper_ck", &armper_ck.clk, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "arm_gpio_ck", &arm_gpio_ck, CK_1510 | CK_310), + CLK(NULL, "armxor_ck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "armtim_ck", &armtim_ck.clk, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "armwdt_ck", &armwdt_ck.clk, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "arminth_ck", &arminth_ck1510, CK_1510 | CK_310), + CLK(NULL, "arminth_ck", &arminth_ck16xx, CK_16XX), + /* CK_GEN2 clocks */ + CLK(NULL, "dsp_ck", &dsp_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dspmmu_ck", &dspmmu_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dspper_ck", &dspper_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dspxor_ck", &dspxor_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dsptim_ck", &dsptim_ck, CK_16XX | CK_1510 | CK_310), + /* CK_GEN3 clocks */ + CLK(NULL, "tc_ck", &tc_ck.clk, CK_16XX | CK_1510 | CK_310 | CK_730), + CLK(NULL, "tipb_ck", &tipb_ck, CK_1510 | CK_310), + CLK(NULL, "l3_ocpi_ck", &l3_ocpi_ck, CK_16XX), + CLK(NULL, "tc1_ck", &tc1_ck, CK_16XX), + CLK(NULL, "tc2_ck", &tc2_ck, CK_16XX), + CLK(NULL, "dma_ck", &dma_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "dma_lcdfree_ck", &dma_lcdfree_ck, CK_16XX), + CLK(NULL, "api_ck", &api_ck.clk, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "lb_ck", &lb_ck.clk, CK_1510 | CK_310), + CLK(NULL, "rhea1_ck", &rhea1_ck, CK_16XX), + CLK(NULL, "rhea2_ck", &rhea2_ck, CK_16XX), + CLK(NULL, "lcd_ck", &lcd_ck_16xx, CK_16XX | CK_730), + CLK(NULL, "lcd_ck", &lcd_ck_1510.clk, CK_1510 | CK_310), + /* ULPD clocks */ + CLK(NULL, "uart1_ck", &uart1_1510, CK_1510 | CK_310), + CLK(NULL, "uart1_ck", &uart1_16xx.clk, CK_16XX), + CLK(NULL, "uart2_ck", &uart2_ck, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "uart3_ck", &uart3_1510, CK_1510 | CK_310), + CLK(NULL, "uart3_ck", &uart3_16xx.clk, CK_16XX), + CLK(NULL, "usb_clko", &usb_clko, CK_16XX | CK_1510 | CK_310), + CLK(NULL, "usb_hhc_ck", &usb_hhc_ck1510, CK_1510 | CK_310), + CLK(NULL, "usb_hhc_ck", &usb_hhc_ck16xx, CK_16XX), + CLK(NULL, "usb_dc_ck", &usb_dc_ck, CK_16XX), + CLK(NULL, "mclk", &mclk_1510, CK_1510 | CK_310), + CLK(NULL, "mclk", &mclk_16xx, CK_16XX), + CLK(NULL, "bclk", &bclk_1510, CK_1510 | CK_310), + CLK(NULL, "bclk", &bclk_16xx, CK_16XX), + CLK("mmci-omap.0", "mmc_ck", &mmc1_ck, CK_16XX | CK_1510 | CK_310), + CLK("mmci-omap.1", "mmc_ck", &mmc2_ck, CK_16XX), + /* Virtual clocks */ + CLK(NULL, "mpu", &virtual_ck_mpu, CK_16XX | CK_1510 | CK_310), + CLK("i2c_omap.1", "i2c_fck", &i2c_fck, CK_16XX | CK_1510 | CK_310), + CLK("i2c_omap.1", "i2c_ick", &i2c_ick, CK_16XX), +}; + static int omap1_clk_enable_generic(struct clk * clk); static int omap1_clk_enable(struct clk *clk); static void omap1_clk_disable_generic(struct clk * clk); @@ -677,10 +755,10 @@ static struct clk_functions omap1_clk_functions = { int __init omap1_clk_init(void) { - struct clk ** clkp; + struct omap_clk *c; const struct omap_clock_config *info; int crystal_type = 0; /* Default 12 MHz */ - u32 reg; + u32 reg, cpu_mask; #ifdef CONFIG_DEBUG_LL /* Resets some clocks that may be left on from bootloader, @@ -700,27 +778,21 @@ int __init omap1_clk_init(void) /* By default all idlect1 clocks are allowed to idle */ arm_idlect1_mask = ~0; - for (clkp = onchip_clks; clkp < onchip_clks+ARRAY_SIZE(onchip_clks); clkp++) { - if (((*clkp)->flags &CLOCK_IN_OMAP1510) && cpu_is_omap1510()) { - clk_register(*clkp); - continue; - } - - if (((*clkp)->flags &CLOCK_IN_OMAP16XX) && cpu_is_omap16xx()) { - clk_register(*clkp); - continue; - } - - if (((*clkp)->flags &CLOCK_IN_OMAP730) && cpu_is_omap730()) { - clk_register(*clkp); - continue; - } - - if (((*clkp)->flags &CLOCK_IN_OMAP310) && cpu_is_omap310()) { - clk_register(*clkp); - continue; + cpu_mask = 0; + if (cpu_is_omap16xx()) + cpu_mask |= CK_16XX; + if (cpu_is_omap1510()) + cpu_mask |= CK_1510; + if (cpu_is_omap730()) + cpu_mask |= CK_730; + if (cpu_is_omap310()) + cpu_mask |= CK_310; + + for (c = omap_clks; c < omap_clks + ARRAY_SIZE(omap_clks); c++) + if (c->cpu & cpu_mask) { + clkdev_add(&c->lk); + clk_register(c->lk.clk); } - } info = omap_get_config(OMAP_TAG_CLOCK, struct omap_clock_config); if (info != NULL) { @@ -831,4 +903,3 @@ int __init omap1_clk_init(void) return 0; } - -- cgit v1.2.3