arch/arm/mach-mmp/clock-pxa910.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/module.h>
   3 #include <linux/kernel.h>
   4 #include <linux/init.h>
   5 #include <linux/list.h>
   6 #include <linux/io.h>
   7 #include <linux/clk.h>
   8 #include <linux/clk/mmp.h>
   9
  10 #include "addr-map.h"
  11
  12 #include "common.h"
  13 #include "clock.h"
  14
  15 /*
  16  * APB Clock register offsets for PXA910
  17  */
  18 #define APBC_UART0      APBC_REG(0x000)
  19 #define APBC_UART1      APBC_REG(0x004)
  20 #define APBC_GPIO       APBC_REG(0x008)
  21 #define APBC_PWM1       APBC_REG(0x00c)
  22 #define APBC_PWM2       APBC_REG(0x010)
  23 #define APBC_PWM3       APBC_REG(0x014)
  24 #define APBC_PWM4       APBC_REG(0x018)
  25 #define APBC_SSP1       APBC_REG(0x01c)
  26 #define APBC_SSP2       APBC_REG(0x020)
  27 #define APBC_RTC        APBC_REG(0x028)
  28 #define APBC_TWSI0      APBC_REG(0x02c)
  29 #define APBC_KPC        APBC_REG(0x030)
  30 #define APBC_SSP3       APBC_REG(0x04c)
  31 #define APBC_TWSI1      APBC_REG(0x06c)
  32
  33 #define APMU_NAND       APMU_REG(0x060)
  34 #define APMU_USB        APMU_REG(0x05c)
  35
  36 static APBC_CLK(uart1, UART0, 1, 14745600);
  37 static APBC_CLK(uart2, UART1, 1, 14745600);
  38 static APBC_CLK(twsi0, TWSI0, 1, 33000000);
  39 static APBC_CLK(twsi1, TWSI1, 1, 33000000);
  40 static APBC_CLK(pwm1, PWM1, 1, 13000000);
  41 static APBC_CLK(pwm2, PWM2, 1, 13000000);
  42 static APBC_CLK(pwm3, PWM3, 1, 13000000);
  43 static APBC_CLK(pwm4, PWM4, 1, 13000000);
  44 static APBC_CLK(gpio, GPIO, 0, 13000000);
  45 static APBC_CLK(rtc, RTC, 8, 32768);
  46
  47 static APMU_CLK(nand, NAND, 0x19b, 156000000);
  48 static APMU_CLK(u2o, USB, 0x1b, 480000000);
  49
  50 /* device and clock bindings */
  51 static struct clk_lookup pxa910_clkregs[] = {
  52         INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
  53         INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
  54         INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL),
  55         INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL),
  56         INIT_CLKREG(&clk_pwm1, "pxa910-pwm.0", NULL),
  57         INIT_CLKREG(&clk_pwm2, "pxa910-pwm.1", NULL),
  58         INIT_CLKREG(&clk_pwm3, "pxa910-pwm.2", NULL),
  59         INIT_CLKREG(&clk_pwm4, "pxa910-pwm.3", NULL),
  60         INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
  61         INIT_CLKREG(&clk_gpio, "mmp-gpio", NULL),
  62         INIT_CLKREG(&clk_u2o, NULL, "U2OCLK"),
  63         INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL),
  64 };
  65
  66 void __init pxa910_clk_init(phys_addr_t mpmu_phys, phys_addr_t apmu_phys,
  67                             phys_addr_t apbc_phys, phys_addr_t apbcp_phys)
  68 {
  69         clkdev_add_table(ARRAY_AND_SIZE(pxa910_clkregs));
  70 }