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linux/drivers/clk/ti/clk-43xx.c
Linus Torvalds 043248cd4e ARM: DT updates for v4.8 
Device tree contents continue to be the largest branches we submit. This
 time around, some of the contents worth pointing out is:
 
 - New SoC platforms:
   - Freescale i.MX 7Solo
   - Broadcom BCM23550
   - Cirrus Logic EP7209 and EP7211 (clps711x platforms)_
   - Hisilicon HI3519
   - Renesas R8A7792
 
 Some of the other delta that is sticking out, line-count wise:
  - Exynos moves of IP blocks under an SoC bus, which causes a large delta due
    to indentation changes
  - A new Tegra K1 board: Apalis
  - A bunch of small updates to many Allwinner platforms; new hardware support,
    some cleanup, etc.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Olof Johansson:
 "Device tree contents continue to be the largest branches we submit.
  This time around, some of the contents worth pointing out is:

  New SoC platforms:
   - Freescale i.MX 7Solo
   - Broadcom BCM23550
   - Cirrus Logic EP7209 and EP7211 (clps711x platforms)_
   - Hisilicon HI3519
   - Renesas R8A7792

  Some of the other delta that is sticking out, line-count wise:
   - Exynos moves of IP blocks under an SoC bus, which causes a large
     delta due to indentation changes
   - a new Tegra K1 board: Apalis
   - a bunch of small updates to many Allwinner platforms; new hardware
     support, some cleanup, etc"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (426 commits)
  ARM: dts: sun8i: Add dts file for inet86dz board
  ARM: dts: sun8i: Add dts file for Polaroid MID2407PXE03 tablet
  ARM: dts: sun8i: Use sun8i-reference-design-tablet for ga10h dts
  ARM: dts: sun8i: Use sun8i-reference-design-tablet for polaroid mid2809pxe04
  ARM: dts: sun8i: reference-design-tablet: Add drivevbus-supply
  ARM: dts: Copy sun8i-q8-common.dtsi sun8i-reference-design-tablet.dtsi
  ARM: dts: sun5i: Use sun5i-reference-design-tablet.dtsi for utoo p66 dts
  ARM: dts: sun5i: Use sun5i-reference-design-tablet.dtsi for dit4350 dts
  ARM: dts: sun5i: reference-design-tablet: Remove mention of q8
  ARM: dts: sun5i: reference-design-tablet: Set lradc vref to avcc
  ARM: dts: sun5i: Rename sun5i-q8-common.dtsi sun5i-reference-design-tablet.dtsi
  ARM: dts: sun5i: Move q8 display bits to sun5i-a13-q8-tablet.dts
  ARM: dts: sunxi: Rename sunxi-q8-common.dtsi sunxi-reference-design-tablet.dtsi
  ARM: dts: at91: Don't build unnecessary dtbs
  ARM: dts: at91: sama5d3x: separate motherboard gmac and emac definitions
  ARM: dts: at91: at91sam9g25ek: fix isi endpoint node
  ARM: dts: at91: move isi definition to at91sam9g25ek
  ARM: dts: at91: fix i2c-gpio node name
  ARM: dts: at91: vinco: fix regulator name
  ARM: dts: at91: ariag25 : fix onewire node
  ...
2016-08-01 18:37:45 -04:00

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C
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/*
* AM43XX Clock init
*
* Copyright (C) 2013 Texas Instruments, Inc
* Tero Kristo (t-kristo@ti.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/clk/ti.h>
#include "clock.h"
static struct ti_dt_clk am43xx_clks[] = {
DT_CLK(NULL, "clk_32768_ck", "clk_32768_ck"),
DT_CLK(NULL, "clk_rc32k_ck", "clk_rc32k_ck"),
DT_CLK(NULL, "virt_19200000_ck", "virt_19200000_ck"),
DT_CLK(NULL, "virt_24000000_ck", "virt_24000000_ck"),
DT_CLK(NULL, "virt_25000000_ck", "virt_25000000_ck"),
DT_CLK(NULL, "virt_26000000_ck", "virt_26000000_ck"),
DT_CLK(NULL, "sys_clkin_ck", "sys_clkin_ck"),
DT_CLK(NULL, "tclkin_ck", "tclkin_ck"),
DT_CLK(NULL, "dpll_core_ck", "dpll_core_ck"),
DT_CLK(NULL, "dpll_core_x2_ck", "dpll_core_x2_ck"),
DT_CLK(NULL, "dpll_core_m4_ck", "dpll_core_m4_ck"),
DT_CLK(NULL, "dpll_core_m5_ck", "dpll_core_m5_ck"),
DT_CLK(NULL, "dpll_core_m6_ck", "dpll_core_m6_ck"),
DT_CLK(NULL, "dpll_mpu_ck", "dpll_mpu_ck"),
DT_CLK(NULL, "dpll_mpu_m2_ck", "dpll_mpu_m2_ck"),
DT_CLK(NULL, "dpll_ddr_ck", "dpll_ddr_ck"),
DT_CLK(NULL, "dpll_ddr_m2_ck", "dpll_ddr_m2_ck"),
DT_CLK(NULL, "dpll_disp_ck", "dpll_disp_ck"),
DT_CLK(NULL, "dpll_disp_m2_ck", "dpll_disp_m2_ck"),
DT_CLK(NULL, "dpll_per_ck", "dpll_per_ck"),
DT_CLK(NULL, "dpll_per_m2_ck", "dpll_per_m2_ck"),
DT_CLK(NULL, "dpll_per_m2_div4_wkupdm_ck", "dpll_per_m2_div4_wkupdm_ck"),
DT_CLK(NULL, "dpll_per_m2_div4_ck", "dpll_per_m2_div4_ck"),
DT_CLK(NULL, "adc_tsc_fck", "adc_tsc_fck"),
DT_CLK(NULL, "clkdiv32k_ck", "clkdiv32k_ck"),
DT_CLK(NULL, "clkdiv32k_ick", "clkdiv32k_ick"),
DT_CLK(NULL, "dcan0_fck", "dcan0_fck"),
DT_CLK(NULL, "dcan1_fck", "dcan1_fck"),
DT_CLK(NULL, "pruss_ocp_gclk", "pruss_ocp_gclk"),
DT_CLK(NULL, "mcasp0_fck", "mcasp0_fck"),
DT_CLK(NULL, "mcasp1_fck", "mcasp1_fck"),
DT_CLK(NULL, "smartreflex0_fck", "smartreflex0_fck"),
DT_CLK(NULL, "smartreflex1_fck", "smartreflex1_fck"),
DT_CLK(NULL, "sha0_fck", "sha0_fck"),
DT_CLK(NULL, "aes0_fck", "aes0_fck"),
DT_CLK(NULL, "rng_fck", "rng_fck"),
DT_CLK(NULL, "timer1_fck", "timer1_fck"),
DT_CLK(NULL, "timer2_fck", "timer2_fck"),
DT_CLK(NULL, "timer3_fck", "timer3_fck"),
DT_CLK(NULL, "timer4_fck", "timer4_fck"),
DT_CLK(NULL, "timer5_fck", "timer5_fck"),
DT_CLK(NULL, "timer6_fck", "timer6_fck"),
DT_CLK(NULL, "timer7_fck", "timer7_fck"),
DT_CLK(NULL, "wdt1_fck", "wdt1_fck"),
DT_CLK(NULL, "l3_gclk", "l3_gclk"),
DT_CLK(NULL, "dpll_core_m4_div2_ck", "dpll_core_m4_div2_ck"),
DT_CLK(NULL, "l4hs_gclk", "l4hs_gclk"),
DT_CLK(NULL, "l3s_gclk", "l3s_gclk"),
DT_CLK(NULL, "l4ls_gclk", "l4ls_gclk"),
DT_CLK(NULL, "clk_24mhz", "clk_24mhz"),
DT_CLK(NULL, "cpsw_125mhz_gclk", "cpsw_125mhz_gclk"),
DT_CLK(NULL, "cpsw_cpts_rft_clk", "cpsw_cpts_rft_clk"),
DT_CLK(NULL, "dpll_clksel_mac_clk", "dpll_clksel_mac_clk"),
DT_CLK(NULL, "gpio0_dbclk_mux_ck", "gpio0_dbclk_mux_ck"),
DT_CLK(NULL, "gpio0_dbclk", "gpio0_dbclk"),
DT_CLK(NULL, "gpio1_dbclk", "gpio1_dbclk"),
DT_CLK(NULL, "gpio2_dbclk", "gpio2_dbclk"),
DT_CLK(NULL, "gpio3_dbclk", "gpio3_dbclk"),
DT_CLK(NULL, "gpio4_dbclk", "gpio4_dbclk"),
DT_CLK(NULL, "gpio5_dbclk", "gpio5_dbclk"),
DT_CLK(NULL, "mmc_clk", "mmc_clk"),
DT_CLK(NULL, "gfx_fclk_clksel_ck", "gfx_fclk_clksel_ck"),
DT_CLK(NULL, "gfx_fck_div_ck", "gfx_fck_div_ck"),
DT_CLK(NULL, "timer_32k_ck", "clkdiv32k_ick"),
DT_CLK(NULL, "timer_sys_ck", "sys_clkin_ck"),
DT_CLK(NULL, "sysclk_div", "sysclk_div"),
DT_CLK(NULL, "disp_clk", "disp_clk"),
DT_CLK(NULL, "clk_32k_mosc_ck", "clk_32k_mosc_ck"),
DT_CLK(NULL, "clk_32k_tpm_ck", "clk_32k_tpm_ck"),
DT_CLK(NULL, "dpll_extdev_ck", "dpll_extdev_ck"),
DT_CLK(NULL, "dpll_extdev_m2_ck", "dpll_extdev_m2_ck"),
DT_CLK(NULL, "mux_synctimer32k_ck", "mux_synctimer32k_ck"),
DT_CLK(NULL, "synctimer_32kclk", "synctimer_32kclk"),
DT_CLK(NULL, "timer8_fck", "timer8_fck"),
DT_CLK(NULL, "timer9_fck", "timer9_fck"),
DT_CLK(NULL, "timer10_fck", "timer10_fck"),
DT_CLK(NULL, "timer11_fck", "timer11_fck"),
DT_CLK(NULL, "cpsw_50m_clkdiv", "cpsw_50m_clkdiv"),
DT_CLK(NULL, "cpsw_5m_clkdiv", "cpsw_5m_clkdiv"),
DT_CLK(NULL, "dpll_ddr_x2_ck", "dpll_ddr_x2_ck"),
DT_CLK(NULL, "dpll_ddr_m4_ck", "dpll_ddr_m4_ck"),
DT_CLK(NULL, "dpll_per_clkdcoldo", "dpll_per_clkdcoldo"),
DT_CLK(NULL, "dll_aging_clk_div", "dll_aging_clk_div"),
DT_CLK(NULL, "div_core_25m_ck", "div_core_25m_ck"),
DT_CLK(NULL, "func_12m_clk", "func_12m_clk"),
DT_CLK(NULL, "vtp_clk_div", "vtp_clk_div"),
DT_CLK(NULL, "usbphy_32khz_clkmux", "usbphy_32khz_clkmux"),
DT_CLK("48300200.ehrpwm", "tbclk", "ehrpwm0_tbclk"),
DT_CLK("48302200.ehrpwm", "tbclk", "ehrpwm1_tbclk"),
DT_CLK("48304200.ehrpwm", "tbclk", "ehrpwm2_tbclk"),
DT_CLK("48306200.ehrpwm", "tbclk", "ehrpwm3_tbclk"),
DT_CLK("48308200.ehrpwm", "tbclk", "ehrpwm4_tbclk"),
DT_CLK("4830a200.ehrpwm", "tbclk", "ehrpwm5_tbclk"),
DT_CLK("48300200.pwm", "tbclk", "ehrpwm0_tbclk"),
DT_CLK("48302200.pwm", "tbclk", "ehrpwm1_tbclk"),
DT_CLK("48304200.pwm", "tbclk", "ehrpwm2_tbclk"),
DT_CLK("48306200.pwm", "tbclk", "ehrpwm3_tbclk"),
DT_CLK("48308200.pwm", "tbclk", "ehrpwm4_tbclk"),
DT_CLK("4830a200.pwm", "tbclk", "ehrpwm5_tbclk"),
{ .node_name = NULL },
};
int __init am43xx_dt_clk_init(void)
{
struct clk *clk1, *clk2;
ti_dt_clocks_register(am43xx_clks);
omap2_clk_disable_autoidle_all();
/*
* cpsw_cpts_rft_clk has got the choice of 3 clocksources
* dpll_core_m4_ck, dpll_core_m5_ck and dpll_disp_m2_ck.
* By default dpll_core_m4_ck is selected, witn this as clock
* source the CPTS doesnot work properly. It gives clockcheck errors
* while running PTP.
* clockcheck: clock jumped backward or running slower than expected!
* By selecting dpll_core_m5_ck as the clocksource fixes this issue.
* In AM335x dpll_core_m5_ck is the default clocksource.
*/
clk1 = clk_get_sys(NULL, "cpsw_cpts_rft_clk");
clk2 = clk_get_sys(NULL, "dpll_core_m5_ck");
clk_set_parent(clk1, clk2);
return 0;
}
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