[ARM] omap: convert OMAP1 to use clkdev

[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap1 / clock.c

diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 6b17da120e5fbf5c4080e59ea5decaa9927ffd54..829b9b845b85f43fb0d23d0698f9b172f2aba0ea 100644 (file)
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -20,6 +20,7 @@
 #include <linux/io.h>
 
 #include <asm/mach-types.h>
+#include <asm/clkdev.h>
 
 #include <mach/cpu.h>
 #include <mach/usb.h>
@@ -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;
 }
-