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authorviresh kumar <viresh.kumar@st.com>2011-05-20 08:34:19 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-20 22:32:42 +0100
commit66b848e487ab8655815437993951ee26cc3c593f (patch)
treee67a6c2651833b80b70c3f30796196cbedf929a1
parentb997f6e2cba28e5361aaa6ac008f052eccd994e6 (diff)
downloadlinux-66b848e487ab8655815437993951ee26cc3c593f.tar.bz2
ARM: 6927/1: SPEAr Clock: Update for single image solution
This patch creates different clk_lookup arrays for individual machines. These lookup arrays will be registered only if that specific machine is current machine. Reviewed-by: Stanley Miao <stanley.miao@windriver.com> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-spear3xx/clock.c70
1 files changed, 43 insertions, 27 deletions
diff --git a/arch/arm/mach-spear3xx/clock.c b/arch/arm/mach-spear3xx/clock.c
index 5707772d51f7..f67860cd649f 100644
--- a/arch/arm/mach-spear3xx/clock.c
+++ b/arch/arm/mach-spear3xx/clock.c
@@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
+#include <asm/mach-types.h>
#include <plat/clock.h>
#include <mach/misc_regs.h>
@@ -688,56 +689,71 @@ static struct clk_lookup spear_clk_lookups[] = {
{ .dev_id = "adc", .clk = &adc_clk},
{ .dev_id = "ssp-pl022.0", .clk = &ssp0_clk},
{ .dev_id = "gpio", .clk = &gpio_clk},
-#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
- { .dev_id = "physmap-flash", .clk = &emi_clk},
-#endif
-#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \
- defined(CONFIG_MACH_SPEAR320)
- { .con_id = "fsmc", .clk = &fsmc_clk},
-#endif
-
-/* common clocks to spear310 and spear320 */
-#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
- { .dev_id = "uart1", .clk = &uart1_clk},
- { .dev_id = "uart2", .clk = &uart2_clk},
-#endif
-
- /* common clock to spear300 and spear320 */
-#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR320)
- { .dev_id = "clcd", .clk = &clcd_clk},
- { .dev_id = "sdhci", .clk = &sdhci_clk},
-#endif /* CONFIG_MACH_SPEAR300 || CONFIG_MACH_SPEAR320 */
+};
- /* spear300 machine specific clock structures */
+/* array of all spear 300 clock lookups */
#ifdef CONFIG_MACH_SPEAR300
+static struct clk_lookup spear300_clk_lookups[] = {
+ { .dev_id = "clcd", .clk = &clcd_clk},
+ { .con_id = "fsmc", .clk = &fsmc_clk},
{ .dev_id = "gpio1", .clk = &gpio1_clk},
{ .dev_id = "keyboard", .clk = &kbd_clk},
+ { .dev_id = "sdhci", .clk = &sdhci_clk},
+};
#endif
- /* spear310 machine specific clock structures */
+/* array of all spear 310 clock lookups */
#ifdef CONFIG_MACH_SPEAR310
+static struct clk_lookup spear310_clk_lookups[] = {
+ { .con_id = "fsmc", .clk = &fsmc_clk},
+ { .con_id = "emi", .clk = &emi_clk},
+ { .dev_id = "uart1", .clk = &uart1_clk},
+ { .dev_id = "uart2", .clk = &uart2_clk},
{ .dev_id = "uart3", .clk = &uart3_clk},
{ .dev_id = "uart4", .clk = &uart4_clk},
{ .dev_id = "uart5", .clk = &uart5_clk},
-
+};
#endif
- /* spear320 machine specific clock structures */
+
+/* array of all spear 320 clock lookups */
#ifdef CONFIG_MACH_SPEAR320
+static struct clk_lookup spear320_clk_lookups[] = {
+ { .dev_id = "clcd", .clk = &clcd_clk},
+ { .con_id = "fsmc", .clk = &fsmc_clk},
+ { .dev_id = "i2c_designware.1", .clk = &i2c1_clk},
+ { .con_id = "emi", .clk = &emi_clk},
+ { .dev_id = "pwm", .clk = &pwm_clk},
+ { .dev_id = "sdhci", .clk = &sdhci_clk},
{ .dev_id = "c_can_platform.0", .clk = &can0_clk},
{ .dev_id = "c_can_platform.1", .clk = &can1_clk},
- { .dev_id = "i2c_designware.1", .clk = &i2c1_clk},
{ .dev_id = "ssp-pl022.1", .clk = &ssp1_clk},
{ .dev_id = "ssp-pl022.2", .clk = &ssp2_clk},
- { .dev_id = "pwm", .clk = &pwm_clk},
-#endif
+ { .dev_id = "uart1", .clk = &uart1_clk},
+ { .dev_id = "uart2", .clk = &uart2_clk},
};
+#endif
void __init spear3xx_clk_init(void)
{
- int i;
+ int i, cnt;
+ struct clk_lookup *lookups;
+
+ if (machine_is_spear300()) {
+ cnt = ARRAY_SIZE(spear300_clk_lookups);
+ lookups = spear300_clk_lookups;
+ } else if (machine_is_spear310()) {
+ cnt = ARRAY_SIZE(spear310_clk_lookups);
+ lookups = spear310_clk_lookups;
+ } else {
+ cnt = ARRAY_SIZE(spear320_clk_lookups);
+ lookups = spear320_clk_lookups;
+ }
for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++)
clk_register(&spear_clk_lookups[i]);
+ for (i = 0; i < cnt; i++)
+ clk_register(&lookups[i]);
+
clk_init();
}