| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 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 */ |
| 40 | static APBC_CLK(uart1, UART1, 1, 14745600); |
| 41 | static APBC_CLK(uart2, UART2, 1, 14745600); |
| 42 | static APBC_CLK(uart3, UART3, 1, 14745600); |
| 43 | static APBC_CLK(twsi0, TWSI0, 1, 33000000); |
| 44 | static APBC_CLK(twsi1, TWSI1, 1, 33000000); |
| 45 | static APBC_CLK(pwm1, PWM1, 1, 13000000); |
| 46 | static APBC_CLK(pwm2, PWM2, 1, 13000000); |
| 47 | static APBC_CLK(pwm3, PWM3, 1, 13000000); |
| 48 | static APBC_CLK(pwm4, PWM4, 1, 13000000); |
| 49 | static APBC_CLK(ssp1, SSP1, 4, 0); |
| 50 | static APBC_CLK(ssp2, SSP2, 4, 0); |
| 51 | static APBC_CLK(ssp3, SSP3, 4, 0); |
| 52 | static APBC_CLK(ssp4, SSP4, 4, 0); |
| 53 | static APBC_CLK(ssp5, SSP5, 4, 0); |
| 54 | static APBC_CLK(gpio, GPIO, 0, 13000000); |
| 55 | static APBC_CLK(keypad, KPC, 0, 32000); |
| 56 | static APBC_CLK(rtc, RTC, 8, 32768); |
| 57 | |
| 58 | static APMU_CLK(nand, NAND, 0x19b, 156000000); |
| 59 | static APMU_CLK(lcd, LCD, 0x7f, 312000000); |
| 60 | static APMU_CLK(eth, ETH, 0x09, 0); |
| 61 | static APMU_CLK(usb, USB, 0x12, 0); |
| 62 | |
| 63 | /* device and clock bindings */ |
| 64 | static 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 | |
| 88 | void __init pxa168_clk_init(void) |
| 89 | { |
| 90 | clkdev_add_table(ARRAY_AND_SIZE(pxa168_clkregs)); |
| 91 | } |