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Diffstat (limited to 'arch/arm/mach-orion5x/common.c')
-rw-r--r--arch/arm/mach-orion5x/common.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 2448166..9148b22 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -18,6 +18,7 @@
#include <linux/mv643xx_i2c.h>
#include <linux/ata_platform.h>
#include <linux/delay.h>
+#include <linux/clk-provider.h>
#include <net/dsa.h>
#include <asm/page.h>
#include <asm/setup.h>
@@ -70,6 +71,19 @@ void __init orion5x_map_io(void)
/*****************************************************************************
+ * CLK tree
+ ****************************************************************************/
+static struct clk *tclk;
+
+static void __init clk_init(void)
+{
+ tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT,
+ orion5x_tclk);
+
+ orion_clkdev_init(tclk);
+}
+
+/*****************************************************************************
* EHCI0
****************************************************************************/
void __init orion5x_ehci0_init(void)
@@ -95,7 +109,7 @@ void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
{
orion_ge00_init(eth_data,
ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM,
- IRQ_ORION5X_ETH_ERR, orion5x_tclk);
+ IRQ_ORION5X_ETH_ERR);
}
@@ -132,7 +146,7 @@ void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
****************************************************************************/
void __init orion5x_spi_init()
{
- orion_spi_init(SPI_PHYS_BASE, orion5x_tclk);
+ orion_spi_init(SPI_PHYS_BASE);
}
@@ -142,7 +156,7 @@ void __init orion5x_spi_init()
void __init orion5x_uart0_init(void)
{
orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE,
- IRQ_ORION5X_UART0, orion5x_tclk);
+ IRQ_ORION5X_UART0, tclk);
}
/*****************************************************************************
@@ -151,7 +165,7 @@ void __init orion5x_uart0_init(void)
void __init orion5x_uart1_init(void)
{
orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE,
- IRQ_ORION5X_UART1, orion5x_tclk);
+ IRQ_ORION5X_UART1, tclk);
}
/*****************************************************************************
@@ -179,7 +193,7 @@ static void __init orion5x_crypto_init(void)
****************************************************************************/
void __init orion5x_wdt_init(void)
{
- orion_wdt_init(orion5x_tclk);
+ orion_wdt_init();
}
@@ -205,7 +219,7 @@ int __init orion5x_find_tclk(void)
return 166666667;
}
-static void orion5x_timer_init(void)
+static void __init orion5x_timer_init(void)
{
orion5x_tclk = orion5x_find_tclk();
@@ -276,6 +290,9 @@ void __init orion5x_init(void)
*/
orion5x_setup_cpu_mbus_bridge();
+ /* Setup root of clk tree */
+ clk_init();
+
/*
* Don't issue "Wait for Interrupt" instruction if we are
* running on D0 5281 silicon.