[ARM] omap: convert OMAP1 to use clkdev

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 94 insertions, 23 deletions

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 <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;
 }
-