1#include <linux/module.h> 2#include <linux/kernel.h> 3#include <linux/init.h> 4#include <linux/list.h> 5#include <linux/io.h> 6#include <linux/clk.h> 7 8#include <mach/addr-map.h> 9 10#include "common.h" 11#include "clock.h" 12 13/* 14 * APB clock register offsets for PXA168 15 */ 16#define APBC_UART1 APBC_REG(0x000) 17#define APBC_UART2 APBC_REG(0x004) 18#define APBC_GPIO APBC_REG(0x008) 19#define APBC_PWM1 APBC_REG(0x00c) 20#define APBC_PWM2 APBC_REG(0x010) 21#define APBC_PWM3 APBC_REG(0x014) 22#define APBC_PWM4 APBC_REG(0x018) 23#define APBC_RTC APBC_REG(0x028) 24#define APBC_TWSI0 APBC_REG(0x02c) 25#define APBC_KPC APBC_REG(0x030) 26#define APBC_TWSI1 APBC_REG(0x06c) 27#define APBC_UART3 APBC_REG(0x070) 28#define APBC_SSP1 APBC_REG(0x81c) 29#define APBC_SSP2 APBC_REG(0x820) 30#define APBC_SSP3 APBC_REG(0x84c) 31#define APBC_SSP4 APBC_REG(0x858) 32#define APBC_SSP5 APBC_REG(0x85c) 33 34#define APMU_NAND APMU_REG(0x060) 35#define APMU_LCD APMU_REG(0x04c) 36#define APMU_ETH APMU_REG(0x0fc) 37#define APMU_USB APMU_REG(0x05c) 38 39/* APB peripheral clocks */ 40static APBC_CLK(uart1, UART1, 1, 14745600); 41static APBC_CLK(uart2, UART2, 1, 14745600); 42static APBC_CLK(uart3, UART3, 1, 14745600); 43static APBC_CLK(twsi0, TWSI0, 1, 33000000); 44static APBC_CLK(twsi1, TWSI1, 1, 33000000); 45static APBC_CLK(pwm1, PWM1, 1, 13000000); 46static APBC_CLK(pwm2, PWM2, 1, 13000000); 47static APBC_CLK(pwm3, PWM3, 1, 13000000); 48static APBC_CLK(pwm4, PWM4, 1, 13000000); 49static APBC_CLK(ssp1, SSP1, 4, 0); 50static APBC_CLK(ssp2, SSP2, 4, 0); 51static APBC_CLK(ssp3, SSP3, 4, 0); 52static APBC_CLK(ssp4, SSP4, 4, 0); 53static APBC_CLK(ssp5, SSP5, 4, 0); 54static APBC_CLK(gpio, GPIO, 0, 13000000); 55static APBC_CLK(keypad, KPC, 0, 32000); 56static APBC_CLK(rtc, RTC, 8, 32768); 57 58static APMU_CLK(nand, NAND, 0x19b, 156000000); 59static APMU_CLK(lcd, LCD, 0x7f, 312000000); 60static APMU_CLK(eth, ETH, 0x09, 0); 61static APMU_CLK(usb, USB, 0x12, 0); 62 63/* device and clock bindings */ 64static struct clk_lookup pxa168_clkregs[] = { 65 INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL), 66 INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL), 67 INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL), 68 INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL), 69 INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL), 70 INIT_CLKREG(&clk_pwm1, "pxa168-pwm.0", NULL), 71 INIT_CLKREG(&clk_pwm2, "pxa168-pwm.1", NULL), 72 INIT_CLKREG(&clk_pwm3, "pxa168-pwm.2", NULL), 73 INIT_CLKREG(&clk_pwm4, "pxa168-pwm.3", NULL), 74 INIT_CLKREG(&clk_ssp1, "pxa168-ssp.0", NULL), 75 INIT_CLKREG(&clk_ssp2, "pxa168-ssp.1", NULL), 76 INIT_CLKREG(&clk_ssp3, "pxa168-ssp.2", NULL), 77 INIT_CLKREG(&clk_ssp4, "pxa168-ssp.3", NULL), 78 INIT_CLKREG(&clk_ssp5, "pxa168-ssp.4", NULL), 79 INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), 80 INIT_CLKREG(&clk_lcd, "pxa168-fb", NULL), 81 INIT_CLKREG(&clk_gpio, "mmp-gpio", NULL), 82 INIT_CLKREG(&clk_keypad, "pxa27x-keypad", NULL), 83 INIT_CLKREG(&clk_eth, "pxa168-eth", "MFUCLK"), 84 INIT_CLKREG(&clk_usb, NULL, "PXA168-USBCLK"), 85 INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL), 86}; 87 88void __init pxa168_clk_init(void) 89{ 90 clkdev_add_table(ARRAY_AND_SIZE(pxa168_clkregs)); 91} 92