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-rw-r--r--arch/arm/mach-mmp/clock-pxa168.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/clock-pxa168.c b/arch/arm/mach-mmp/clock-pxa168.c
new file mode 100644
index 0000000..5e6c18c
--- /dev/null
+++ b/arch/arm/mach-mmp/clock-pxa168.c
@@ -0,0 +1,91 @@
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+
+#include <mach/addr-map.h>
+
+#include "common.h"
+#include "clock.h"
+
+/*
+ * APB clock register offsets for PXA168
+ */
+#define APBC_UART1 APBC_REG(0x000)
+#define APBC_UART2 APBC_REG(0x004)
+#define APBC_GPIO APBC_REG(0x008)
+#define APBC_PWM1 APBC_REG(0x00c)
+#define APBC_PWM2 APBC_REG(0x010)
+#define APBC_PWM3 APBC_REG(0x014)
+#define APBC_PWM4 APBC_REG(0x018)
+#define APBC_RTC APBC_REG(0x028)
+#define APBC_TWSI0 APBC_REG(0x02c)
+#define APBC_KPC APBC_REG(0x030)
+#define APBC_TWSI1 APBC_REG(0x06c)
+#define APBC_UART3 APBC_REG(0x070)
+#define APBC_SSP1 APBC_REG(0x81c)
+#define APBC_SSP2 APBC_REG(0x820)
+#define APBC_SSP3 APBC_REG(0x84c)
+#define APBC_SSP4 APBC_REG(0x858)
+#define APBC_SSP5 APBC_REG(0x85c)
+
+#define APMU_NAND APMU_REG(0x060)
+#define APMU_LCD APMU_REG(0x04c)
+#define APMU_ETH APMU_REG(0x0fc)
+#define APMU_USB APMU_REG(0x05c)
+
+/* APB peripheral clocks */
+static APBC_CLK(uart1, UART1, 1, 14745600);
+static APBC_CLK(uart2, UART2, 1, 14745600);
+static APBC_CLK(uart3, UART3, 1, 14745600);
+static APBC_CLK(twsi0, TWSI0, 1, 33000000);
+static APBC_CLK(twsi1, TWSI1, 1, 33000000);
+static APBC_CLK(pwm1, PWM1, 1, 13000000);
+static APBC_CLK(pwm2, PWM2, 1, 13000000);
+static APBC_CLK(pwm3, PWM3, 1, 13000000);
+static APBC_CLK(pwm4, PWM4, 1, 13000000);
+static APBC_CLK(ssp1, SSP1, 4, 0);
+static APBC_CLK(ssp2, SSP2, 4, 0);
+static APBC_CLK(ssp3, SSP3, 4, 0);
+static APBC_CLK(ssp4, SSP4, 4, 0);
+static APBC_CLK(ssp5, SSP5, 4, 0);
+static APBC_CLK(gpio, GPIO, 0, 13000000);
+static APBC_CLK(keypad, KPC, 0, 32000);
+static APBC_CLK(rtc, RTC, 8, 32768);
+
+static APMU_CLK(nand, NAND, 0x19b, 156000000);
+static APMU_CLK(lcd, LCD, 0x7f, 312000000);
+static APMU_CLK(eth, ETH, 0x09, 0);
+static APMU_CLK(usb, USB, 0x12, 0);
+
+/* device and clock bindings */
+static struct clk_lookup pxa168_clkregs[] = {
+ INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
+ INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
+ INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
+ INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL),
+ INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL),
+ INIT_CLKREG(&clk_pwm1, "pxa168-pwm.0", NULL),
+ INIT_CLKREG(&clk_pwm2, "pxa168-pwm.1", NULL),
+ INIT_CLKREG(&clk_pwm3, "pxa168-pwm.2", NULL),
+ INIT_CLKREG(&clk_pwm4, "pxa168-pwm.3", NULL),
+ INIT_CLKREG(&clk_ssp1, "pxa168-ssp.0", NULL),
+ INIT_CLKREG(&clk_ssp2, "pxa168-ssp.1", NULL),
+ INIT_CLKREG(&clk_ssp3, "pxa168-ssp.2", NULL),
+ INIT_CLKREG(&clk_ssp4, "pxa168-ssp.3", NULL),
+ INIT_CLKREG(&clk_ssp5, "pxa168-ssp.4", NULL),
+ INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
+ INIT_CLKREG(&clk_lcd, "pxa168-fb", NULL),
+ INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
+ INIT_CLKREG(&clk_keypad, "pxa27x-keypad", NULL),
+ INIT_CLKREG(&clk_eth, "pxa168-eth", "MFUCLK"),
+ INIT_CLKREG(&clk_usb, NULL, "PXA168-USBCLK"),
+ INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL),
+};
+
+void __init pxa168_clk_init(void)
+{
+ clkdev_add_table(ARRAY_AND_SIZE(pxa168_clkregs));
+}