[ARM] omap: convert OMAP1 to use clkdev
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 6b17da1..829b9b8 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 @@
#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 @@
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,
@@ -700,28 +778,22 @@
/* 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;
- }
+ 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;
- if (((*clkp)->flags &CLOCK_IN_OMAP16XX) && cpu_is_omap16xx()) {
- clk_register(*clkp);
- continue;
+ 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);
}
- 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;
- }
- }
-
info = omap_get_config(OMAP_TAG_CLOCK, struct omap_clock_config);
if (info != NULL) {
if (!cpu_is_omap15xx())
@@ -831,4 +903,3 @@
return 0;
}
-