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SubjectRe: AM335x OMAP2 common clock external fixed-clock registration
On Wed, Apr 15, 2015 at 09:34:48AM +0300, Tero Kristo wrote:
> On 04/15/2015 12:17 AM, Michael Welling wrote:
> >Greetings,
> >
> >I have developed an AM3354 based SoM and it uses an external SI5351 clock
> >generator to drive the clock inputs for an external duart and I2S audio
> >master clock. With the registration according to the documentation the
> >reference clock is not being detected and hence the clock generator is
> >not working as expect.
> >
> >After trying many different things, I started to look around the mailing
> >lists to find information related to this issue.
> >
> >I came acrossed post that has the exact same issue:
> >https://lkml.org/lkml/2013/2/18/468
> >
> >Seeing as the patch did not land upstream, I am wondering if there is
> >a solution that I am not seeing.
> >
> >I am willing to provide a patch given appropriate guidance.
>
> Hi Michael,
>
> The info on the email you referenced is kind of obsolete, TI SoCs
> are calling of_clk_init() during boot now, and thus external clock
> nodes should be registered fine also. Maybe you can provide the
> actual DTS patch you are trying out so we can help better...? Are

See attached patch and console output.

> you seeing any boot time error / warning prints for your new clock?

With the debug messages on you see that the reference clock is not being
detected.

Whilest debugging I found that the of_clk_get is returning an error no matter
which clock I pass it:
http://lxr.free-electrons.com/source/drivers/clk/clk-si5351.c#L1131

>
> -Tero
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index a1c776b..3d2d516 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -401,7 +401,8 @@ dtb-$(CONFIG_SOC_AM33XX) += \
am335x-evmsk.dtb \
am335x-nano.dtb \
am335x-pepper.dtb \
- am335x-lxm.dtb
+ am335x-lxm.dtb \
+ som-3354-200es.dtb
dtb-$(CONFIG_ARCH_OMAP4) += \
omap4-duovero-parlor.dtb \
omap4-panda.dtb \
diff --git a/arch/arm/boot/dts/som-3354-200es.dts b/arch/arm/boot/dts/som-3354-200es.dts
new file mode 100644
index 0000000..03f06e8
--- /dev/null
+++ b/arch/arm/boot/dts/som-3354-200es.dts
@@ -0,0 +1,590 @@
+/*
+ * som-3354-200es.dts - Device Tree file for the SOM-3354M with SOM-200ES.
+ *
+ * Copyright (C) 2015 EMAC Inc.
+ * Copyright (C) 2015 QWERTY Embedded Design
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/dts-v1/;
+
+#include "am33xx.dtsi"
+
+/ {
+ model = "EMAC SOM-3354M SOM-200ES";
+ compatible = "emac,som3354", "ti,am33xx";
+
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&vdd1_reg>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>; /* 512 MB */
+ };
+
+ leds {
+ pinctrl-names = "default";
+ pinctrl-0 = <&leds_pins>;
+
+ compatible = "gpio-leds";
+
+ led@0 {
+ label = "stat";
+ gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ };
+
+ vmain: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vmain";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ };
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&ecap2 0 50000 0>;
+ brightness-levels = <0 51 53 56 62 75 101 152 255>;
+ default-brightness-level = <8>;
+ };
+
+ panel {
+ compatible = "ti,tilcdc,panel";
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd_pins>;
+ status = "okay";
+
+ enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
+
+ panel-info {
+ ac-bias = <255>;
+ ac-bias-intrpt = <0>;
+ dma-burst-sz = <16>;
+ bpp = <16>;
+ fdd = <0x80>;
+ tft-alt-mode = <0>;
+ stn-565-mode = <0>;
+ mono-8bit-mode = <0>;
+ sync-edge = <0>;
+ sync-ctrl = <0>;
+ raster-order = <1>;
+ fifo-th = <0>;
+ };
+
+ display-timings {
+ native-mode = <&timing0>;
+ timing0: 480x272 {
+ hactive = <480>;
+ vactive = <272>;
+ hback-porch = <1>;
+ hfront-porch = <44>;
+ hsync-len = <45>;
+ vback-porch = <1>;
+ vfront-porch = <13>;
+ vsync-len = <14>;
+ clock-frequency = <9000000>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <1>;
+ };
+ };
+ };
+
+ clocks {
+ ref27: ref27 {
+ #clock-cells = <0>;
+ compatibale = "fixed-clock";
+ clock-frequency = <27000000>;
+ };
+ };
+
+/*
+ sound {
+ compatible = "ti,da830-evm-audio";
+ ti,model = "SOM3354 CS4271";
+ ti,audio-codec = <&cs4271>;
+ ti,mcasp-controller = <&mcasp0>;
+ ti,codec-clock-rate = <12288000>;
+ ti,audio-routing =
+ "Line Out", "AOUTA+",
+ "Line Out", "AOUTA-",
+ "Line Out", "AOUTB+",
+ "Line Out", "AOUTB-";
+ };
+*/
+};
+
+&mcasp0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcasp0_pins>;
+
+ status = "okay";
+
+ op-mode = <0>; /* MCASP_IIS_MODE */
+ tdm-slots = <2>;
+ /* 4 serializers */
+ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
+ 2 1 0 0
+ >;
+ tx-num-evt = <2>;
+ rx-num-evt = <2>;
+};
+
+&am33xx_pinmux {
+
+ lcd_pins: pinmux_lcd_pins {
+ pinctrl-single,pins = <
+ 0xa0 0x00 /* lcd_data0.lcd_data0, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xa4 0x00 /* lcd_data1.lcd_data1, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xa8 0x00 /* lcd_data2.lcd_data2, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xac 0x00 /* lcd_data3.lcd_data3, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xb0 0x00 /* lcd_data4.lcd_data4, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xb4 0x00 /* lcd_data5.lcd_data5, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xb8 0x00 /* lcd_data6.lcd_data6, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xbc 0x00 /* lcd_data7.lcd_data7, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xc0 0x00 /* lcd_data8.lcd_data8, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xc4 0x00 /* lcd_data9.lcd_data9, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xc8 0x00 /* lcd_data10.lcd_data10, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xcc 0x00 /* lcd_data11.lcd_data11, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xd0 0x00 /* lcd_data12.lcd_data12, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xd4 0x00 /* lcd_data13.lcd_data13, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xd8 0x00 /* lcd_data14.lcd_data14, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xdc 0x00 /* lcd_data15.lcd_data15, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ /* 0x3c 0x11 gpmc_ad15.lcd_data16, OMAP_MUX_MODE1 | AM33XX_PIN_OUTPUT */
+ /* 0x38 0x11 gpmc_ad14.lcd_data17, OMAP_MUX_MODE1 | AM33XX_PIN_OUTPUT */
+ 0xe0 0x00 /* lcd_vsync.lcd_vsync, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xe4 0x00 /* lcd_hsync.lcd_hsync, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xe8 0x00 /* lcd_pclk.lcd_pclk, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ 0xec 0x00 /* lcd_ac_bias_en.lcd_ac_bias_en, OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT */
+ >;
+ };
+
+ mcasp0_pins: mcasp0_pins {
+ pinctrl-single,pins = <
+ 0x190 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx (transmit bit clock - SCLK) */
+ 0x194 (PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx (transmit frame sync - LRCLK) */
+ 0x198 (PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_axr0.mcasp0_axr0 (serial data - SDIN) */
+ 0x1a8 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* mcasp0_axr1.mcasp0_axr1 (serial data - SDOUT) */
+ >;
+ };
+
+ spi0_pins: spi0_pins {
+ pinctrl-single,pins = <
+ 0x150 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_sclk */
+ 0x154 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d0 */
+ 0x158 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d1 */
+ 0x15c (PIN_OUTPUT_PULLUP | MUX_MODE7) /* spi0_cs0 */
+ 0x160 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* spi0_cs1 */
+ 0x234 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* fake chip select */
+ >;
+ };
+
+ can0_pins: pinmux_can0_pins {
+ pinctrl-single,pins = <
+ 0x11c (PIN_OUTPUT_PULLUP | MUX_MODE1) /* mii1_txd3.rgmii1_td3 */
+ 0x120 (PIN_INPUT_PULLUP | MUX_MODE1) /* mii1_txd2.rgmii1_td2 */
+ >;
+ };
+
+ i2c0_pins: pinmux_i2c0_pins {
+ pinctrl-single,pins = <
+ 0x188 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */
+ 0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */
+ >;
+ };
+
+ gpmc_pins: pinmux_gpmc_pins {
+ pinctrl-single,pins = <
+ 0x0 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */
+ 0x4 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */
+ 0x8 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */
+ 0xc (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */
+ 0x10 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */
+ 0x14 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */
+ 0x18 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */
+ 0x1c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */
+ 0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */
+ 0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_30 */
+ 0x7c (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */
+ 0x88 (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn3.gpmc_csn3 */
+ 0x90 (PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */
+ 0x94 (PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */
+ 0x98 (PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */
+ 0x9c (PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */
+ >;
+ };
+
+ uart0_pins: pinmux_uart0_pins {
+ pinctrl-single,pins = <
+ 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
+ 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
+ >;
+ };
+
+ uart1_pins: uart1_pins {
+ pinctrl-single,pins = <
+ 0x178 (PIN_OUTPUT | MUX_MODE7) /* uart1_ctsn.uart1_ctsn */
+ 0x17c (PIN_OUTPUT | MUX_MODE7) /* uart1_rtsn.uart1_rtsn */
+ 0x180 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_rxd.uart1_rxd */
+ 0x184 (PIN_OUTPUT | MUX_MODE0) /* uart1_txd.uart1_txd */
+ >;
+ };
+
+ leds_pins: pinmux_leds_pins {
+ pinctrl-single,pins = <
+ 0x118 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* mii1_rxdv.gpio3_4 */
+ >;
+ };
+
+ ecap2_pins: backlight_pins {
+ pinctrl-single,pins = <
+ 0x19c MUX_MODE4 /* mcasp0_ahclkr.eCAP2_in_PWM2_out */
+ >;
+ };
+
+
+};
+
+&lcdc {
+ status = "okay";
+};
+
+&epwmss2 {
+ status = "okay";
+
+ ecap2: ecap@48304100 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ecap2_pins>;
+ };
+};
+
+&tscadc {
+ status = "okay";
+ tsc {
+ ti,wires = <4>;
+ ti,x-plate-resistance = <200>;
+ ti,coordinate-readouts = <5>;
+ ti,wire-config = <0x00 0x11 0x22 0x33>;
+ ti,charge-delay = <0x4000>;
+ };
+
+ adc {
+ ti,adc-channels = <4 5 6 7>;
+ };
+};
+
+&epwmss2 {
+ status = "okay";
+};
+
+&ehrpwm2 {
+ status = "okay";
+};
+
+&mac {
+ status = "okay";
+};
+
+&davinci_mdio {
+ status = "okay";
+};
+
+&cpsw_emac0 {
+ phy_id = <&davinci_mdio>, <1>;
+ phy-mode = "rmii";
+};
+
+&cpsw_emac1 {
+ phy_id = <&davinci_mdio>, <2>;
+ phy-mode = "rmii";
+};
+
+&phy_sel {
+ rmii-clock-ext;
+};
+
+&elm {
+ status = "okay";
+};
+
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_pins>;
+ status = "okay";
+ cs-gpios = <&gpio0 5 0>,<&gpio0 6 0>;
+ /*
+ cs4271: cs4271@2 {
+ compatible = "cirrus,cs4271";
+ spi-cpol;
+ spi-cpha;
+ reg = <2>;
+ spi-max-frequency = <1000000>;
+ status = "okay";
+ };
+ */
+ mcp23s08: mcp23s08@1 {
+ compatible = "mcp,mcp23s08";
+ gpio-controller;
+ #gpio-cells = <2>;
+ mcp,spi-present-mask = <0x01>;
+ spi-max-frequency = <1000000>;
+ reg = <1>;
+ status = "okay";
+ };
+
+ flash: m25p80@0 {
+ compatible = "sst,n25q128a13";
+ spi-max-frequency = <40000000>;
+ reg = <0>;
+ status = "okay";
+ };
+};
+
+&gpmc {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpmc_pins>;
+
+ ranges = <0x3 0 0x08000000 0x1000000>; /* CS3: DUART */
+
+ uart@3,0 {
+ compatible = "ns16550a";
+ reg = <0x3 0x0 0x8>;
+ clock-frequency = <18432000>;
+ current-speed = <115200>;
+ bank-width = <2>;
+ reg-shift = <0>;
+ reg-io-width = <1>;
+ gpmc,mux-add-data = <0>;
+ gpmc,device-width = <1>;
+ gpmc,wait-pin = <0>;
+ gpmc,cs-on-ns = <18>;
+ gpmc,cs-rd-off-ns = <295>;
+ gpmc,cs-wr-off-ns = <295>;
+ gpmc,adv-on-ns = <73>;
+ gpmc,adv-rd-off-ns = <92>;
+ gpmc,adv-wr-off-ns = <110>;
+ gpmc,oe-on-ns = <110>;
+ gpmc,oe-off-ns = <295>;
+ gpmc,we-on-ns = <92>;
+ gpmc,we-off-ns = <295>;
+ gpmc,rd-cycle-ns = <300>;
+ gpmc,wr-cycle-ns = <300>;
+ gpmc,access-ns = <276>;
+ gpmc,page-burst-access-ns = <18>;
+ gpmc,bus-turnaround-ns = <0>;
+ gpmc,cycle2cycle-delay-ns = <0>;
+ gpmc,wait-monitoring-ns = <0>;
+ gpmc,clk-activation-ns = <0>;
+ gpmc,wr-data-mux-bus-ns = <129>;
+ gpmc,wr-access-ns = <276>;
+ status = "okay";
+ };
+
+ uart@3,1 {
+ compatible = "ns16550a";
+ reg = <0x3 0x8 0x8>;
+ clock-frequency = <18432000>;
+ current-speed = <115200>;
+ bank-width = <2>;
+ reg-shift = <0>;
+ reg-io-width = <1>;
+ status = "okay";
+ };
+};
+
+&dcan0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&can0_pins>;
+};
+
+&i2c0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins>;
+
+ clock-frequency = <400000>;
+
+ tps: tps@2d {
+ reg = <0x2d>;
+ };
+
+ si5351: clock-generator {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #clock-cells = <1>;
+ compatible = "silabs,si5351a-msop";
+ reg = <0x60>;
+ status = "okay";
+
+ /* connect xtal input to 27MHz reference */
+ clocks = <&ref27>;
+
+ /* connect xtal input as source of pll0 and pll1 */
+ silabs,pll-source = <0 0>, <1 0>;
+
+ clkout0: clkout0 {
+ reg = <0>;
+ silabs,drive-strength = <8>;
+ silabs,multisynth-source = <0>;
+ silabs,clock-source = <0>;
+ silabs,pll-master;
+ clock-frequency = <18432000>;
+ };
+
+ clkout1: clkout1 {
+ reg = <1>;
+ silabs,drive-strength = <8>;
+ silabs,multisynth-source = <1>;
+ silabs,clock-source = <0>;
+ silabs,pll-master;
+ };
+
+ clkout2: clkout2 {
+ reg = <2>;
+ silabs,multisynth-source = <1>;
+ silabs,clock-source = <0>;
+ };
+ };
+};
+
+&mmc1 {
+ status = "okay";
+ vmmc-supply = <&vmain>;
+ bus-width = <4>;
+};
+
+&mmc2 {
+ status = "okay";
+ vmmc-supply = <&vmain>;
+ bus-width = <4>;
+};
+
+&uart0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+};
+
+&uart1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+};
+
+&usb {
+ status = "okay";
+};
+
+&usb_ctrl_mod {
+ status = "okay";
+};
+
+&usb0_phy {
+ status = "okay";
+};
+
+&usb1_phy {
+ status = "okay";
+};
+
+&usb0 {
+ status = "okay";
+};
+
+&usb1 {
+ status = "okay";
+ dr_mode = "host";
+};
+
+&cppi41dma {
+ status = "okay";
+};
+
+#include "tps65910.dtsi"
+
+&tps {
+ vcc1-supply = <&vmain>;
+ vcc2-supply = <&vmain>;
+ vcc3-supply = <&vmain>;
+ vcc4-supply = <&vmain>;
+ vcc5-supply = <&vmain>;
+ vcc6-supply = <&vmain>;
+ vcc7-supply = <&vmain>;
+ vccio-supply = <&vmain>;
+
+ regulators {
+ vrtc_reg: regulator@0 {
+ regulator-always-on;
+ };
+
+ vio_reg: regulator@1 {
+ regulator-always-on;
+ };
+
+ vdd1_reg: regulator@2 {
+ /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
+ regulator-name = "vdd_mpu";
+ regulator-min-microvolt = <912500>;
+ regulator-max-microvolt = <1312500>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ vdd2_reg: regulator@3 {
+ /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
+ regulator-name = "vdd_core";
+ regulator-min-microvolt = <912500>;
+ regulator-max-microvolt = <1150000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ vdd3_reg: regulator@4 {
+ regulator-always-on;
+ };
+
+ vdig1_reg: regulator@5 {
+ regulator-always-on;
+ };
+
+ vdig2_reg: regulator@6 {
+ regulator-always-on;
+ };
+
+ vpll_reg: regulator@7 {
+ regulator-always-on;
+ };
+
+ vdac_reg: regulator@8 {
+ regulator-always-on;
+ };
+
+ vaux1_reg: regulator@9 {
+ regulator-always-on;
+ };
+
+ vaux2_reg: regulator@10 {
+ regulator-always-on;
+ };
+
+ vaux33_reg: regulator@11 {
+ regulator-always-on;
+ };
+
+ vmmc_reg: regulator@12 {
+ regulator-always-on;
+ };
+ };
+};
diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c
index 3b2a66f..6afae8f 100644
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@@ -15,7 +15,7 @@
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
-
+#define DEBUG
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/clkdev.h>U-Boot SPL 2015.04-rc2-00210-g26fcaa0-dirty (Mar 18 2015 - 15:49:29)


U-Boot 2015.04-rc2-00210-g26fcaa0-dirty (Mar 18 2015 - 15:49:29)

Watchdog enabled
I2C: ready
DRAM: 512 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
SF: Detected N25Q128 with page size 256 Bytes, erase size 64 KiB, total 16 MiB
Net: cpsw, usb_ether
Hit any key to stop autoboot: 0
cpsw Waiting for PHY auto negotiation to complete.. done
link up on port 0, speed 100, full duplex
Using cpsw device
TFTP from server 192.168.1.1; our IP address is 192.168.1.2
Filename 'zImage-3354'.
Load address: 0x82000000
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2.9 MiB/s
done
Bytes transferred = 5200008 (4f5888 hex)
Kernel image @ 0x82000000 [ 0x000000 - 0x4ed668 ]

Starting kernel ...

[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.0.0-rc7-00016-g7b43b47-dirty (michael@deathray) (gcc version 4.9.1 (GCC) ) #11 SMP Tue Apr 14 18:51:01 CDT 2015
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: EMAC SOM-3354M SOM-200ES
[ 0.000000] cma: Reserved 16 MiB at 0x9e800000
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] On node 0 totalpages: 130816
[ 0.000000] free_area_init_node: node 0, pgdat c0a529c0, node_mem_map dfa71000
[ 0.000000] Normal zone: 1152 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 130816 pages, LIFO batch:31
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] AM335X ES2.1 (sgx neon )
[ 0.000000] PERCPU: Embedded 12 pages/cpu @dfa18000 s18496 r8192 d22464 u49152
[ 0.000000] pcpu-alloc: s18496 r8192 d22464 u49152 alloc=12*4096
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129664
[ 0.000000] Kernel command line: console=ttyO0,115200n8 root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait debug earlyprintk=serial
[ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Memory: 482612K/523264K available (6794K kernel code, 642K rwdata, 2680K rodata, 444K init, 8243K bss, 24268K reserved, 16384K cma-reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xe0800000 - 0xff000000 ( 488 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc0948e50 (9476 kB)
[ 0.000000] .init : 0xc0949000 - 0xc09b8000 ( 444 kB)
[ 0.000000] .data : 0xc09b8000 - 0xc0a58ac0 ( 643 kB)
[ 0.000000] .bss : 0xc0a58ac0 - 0xc12658b0 (8244 kB)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] Additional per-CPU info printed with stalls.
[ 0.000000] RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
[ 0.000000] OMAP clockevent source: timer2 at 26000000 Hz
[ 0.000017] sched_clock: 32 bits at 26MHz, resolution 38ns, wraps every 165191049177ns
[ 0.000069] OMAP clocksource: timer1 at 26000000 Hz
[ 0.000896] Console: colour dummy device 80x30
[ 0.000950] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 0.000959] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 0.000967] ... MAX_LOCK_DEPTH: 48
[ 0.000975] ... MAX_LOCKDEP_KEYS: 8191
[ 0.000983] ... CLASSHASH_SIZE: 4096
[ 0.000990] ... MAX_LOCKDEP_ENTRIES: 32768
[ 0.000998] ... MAX_LOCKDEP_CHAINS: 65536
[ 0.001005] ... CHAINHASH_SIZE: 32768
[ 0.001012] memory used by lock dependency info: 5167 kB
[ 0.001021] per task-struct memory footprint: 1152 bytes
[ 0.001046] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736)
[ 0.078896] pid_max: default: 32768 minimum: 301
[ 0.079243] Security Framework initialized
[ 0.079405] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.079420] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.082267] Initializing cgroup subsys blkio
[ 0.082310] Initializing cgroup subsys memory
[ 0.082399] Initializing cgroup subsys devices
[ 0.082495] Initializing cgroup subsys freezer
[ 0.082618] Initializing cgroup subsys perf_event
[ 0.082698] CPU: Testing write buffer coherency: ok
[ 0.084030] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[ 0.084142] Setting up static identity map for 0x806748a0 - 0x80674910
[ 0.087552] Brought up 1 CPUs
[ 0.087575] SMP: Total of 1 processors activated (996.14 BogoMIPS).
[ 0.087586] CPU: All CPU(s) started in SVC mode.
[ 0.090919] devtmpfs: initialized
[ 0.093098] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 0.130337] omap_hwmod: tptc0 using broken dt data from edma
[ 0.130713] omap_hwmod: tptc1 using broken dt data from edma
[ 0.131067] omap_hwmod: tptc2 using broken dt data from edma
[ 0.139043] omap_hwmod: debugss: _wait_target_disable failed
[ 0.196258] pinctrl core: initialized pinctrl subsystem
[ 0.230071] NET: Registered protocol family 16
[ 0.235694] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.237787] cpuidle: using governor ladder
[ 0.237817] cpuidle: using governor menu
[ 0.244784] gpiochip_add: registered GPIOs 0 to 31 on device: gpio
[ 0.245577] OMAP GPIO hardware version 0.1
[ 0.246826] gpiochip_add: registered GPIOs 32 to 63 on device: gpio
[ 0.248668] gpiochip_add: registered GPIOs 64 to 95 on device: gpio
[ 0.250522] gpiochip_add: registered GPIOs 96 to 127 on device: gpio
[ 0.263655] omap-gpmc 50000000.gpmc: could not find pctldev for node /pinmux@44e10800/pinmux_gpmc_pins, deferring probe
[ 0.263699] platform 50000000.gpmc: Driver omap-gpmc requests probe deferral
[ 0.267534] No ATAGs?
[ 0.267564] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.310333] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver
[ 0.311153] of_get_named_gpiod_flags: can't parse 'gpio' property of node '/fixedregulator@0[0]'
[ 0.314814] SCSI subsystem initialized
[ 0.315615] libata version 3.00 loaded.
[ 0.316335] usbcore: registered new interface driver usbfs
[ 0.316489] usbcore: registered new interface driver hub
[ 0.316637] usbcore: registered new device driver usb
[ 0.317421] omap_i2c 44e0b000.i2c: could not find pctldev for node /pinmux@44e10800/pinmux_i2c0_pins, deferring probe
[ 0.317459] platform 44e0b000.i2c: Driver omap_i2c requests probe deferral
[ 0.321703] Switched to clocksource timer1
[ 0.454603] NET: Registered protocol family 2
[ 0.456449] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.456627] TCP bind hash table entries: 4096 (order: 5, 147456 bytes)
[ 0.457823] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.458016] TCP: reno registered
[ 0.458043] UDP hash table entries: 256 (order: 2, 20480 bytes)
[ 0.458214] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[ 0.459115] NET: Registered protocol family 1
[ 0.460640] RPC: Registered named UNIX socket transport module.
[ 0.460661] RPC: Registered udp transport module.
[ 0.460672] RPC: Registered tcp transport module.
[ 0.460681] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.462896] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[ 0.467119] futex hash table entries: 256 (order: 2, 16384 bytes)
[ 0.467432] audit: initializing netlink subsys (disabled)
[ 0.467656] audit: type=2000 audit(0.460:1): initialized
[ 0.472263] VFS: Disk quotas dquot_6.5.2
[ 0.472413] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.474597] NFS: Registering the id_resolver key type
[ 0.474963] Key type id_resolver registered
[ 0.474978] Key type id_legacy registered
[ 0.475147] jffs2: version 2.2. (NAND) (SUMMARY) �© 2001-2006 Red Hat, Inc.
[ 0.479406] io scheduler noop registered
[ 0.479439] io scheduler deadline registered
[ 0.479491] io scheduler cfq registered (default)
[ 0.481388] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
[ 0.487822] pwm-backlight backlight: GPIO lookup for consumer enable
[ 0.487848] pwm-backlight backlight: using device tree for GPIO lookup
[ 0.487868] of_get_named_gpiod_flags: can't parse 'enable-gpios' property of node '/backlight[0]'
[ 0.487881] of_get_named_gpiod_flags: can't parse 'enable-gpio' property of node '/backlight[0]'
[ 0.487893] pwm-backlight backlight: using lookup tables for GPIO lookup
[ 0.488064] pwm-backlight backlight: lookup for GPIO enable failed
[ 0.488094] backlight supply power not found, using dummy regulator
[ 0.492042] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.497622] omap_uart 44e09000.serial: no wakeirq for uart0
[ 0.497656] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@44e09000[0]'
[ 0.498244] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 154, base_baud = 3000000) is a OMAP UART0
[ 1.342107] console [ttyO0] enabled
[ 1.347792] omap_uart 48022000.serial: no wakeirq for uart0
[ 1.353813] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@48022000[0]'
[ 1.363990] 48022000.serial: ttyO1 at MMIO 0x48022000 (irq = 155, base_baud = 3000000) is a OMAP UART1
[ 1.377472] omap_rng 48310000.rng: OMAP Random Number Generator ver. 20
[ 1.385070] [drm] Initialized drm 1.1.0 20060810
[ 1.390764] panel panel: GPIO lookup for consumer enable
[ 1.396416] panel panel: using device tree for GPIO lookup
[ 1.402219] of_get_named_gpiod_flags: parsed 'enable-gpios' property of node '/panel[0]' - status (0)
[ 1.411970] panel panel: found enable GPIO
[ 1.422597] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 1.429523] [drm] No driver support for vblank timestamp query.
[ 1.472792] Console: switching to colour frame buffer device 60x34
[ 1.480225] tilcdc 4830e000.lcdc: fb0: frame buffer device
[ 1.486110] tilcdc 4830e000.lcdc: registered panic notifier
[ 1.492027] [drm] Initialized tilcdc 1.0.0 20121205 on minor 0
[ 1.524479] brd: module loaded
[ 1.543800] loop: module loaded
[ 1.552121] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 1.560212] of_get_named_gpiod_flags: parsed 'cs-gpios' property of node '/ocp/spi@48030000[0]' - status (0)
[ 1.570611] of_get_named_gpiod_flags: parsed 'cs-gpios' property of node '/ocp/spi@48030000[1]' - status (0)
[ 1.587500] gpiochip_find_base: found new base at 504
[ 1.593627] gpiochip_add: registered GPIOs 504 to 511 on device: mcp23s08
[ 1.602666] m25p80 spi1.0: unrecognized JEDEC id bytes: ff, ff, ff
[ 1.610113] CAN device driver interface
[ 1.617177] c_can_platform 481cc000.can: c_can_platform device registered (regs=fa1cc000, irq=160)
[ 1.628530] usbcore: registered new interface driver asix
[ 1.634458] usbcore: registered new interface driver ax88179_178a
[ 1.640937] usbcore: registered new interface driver cdc_ether
[ 1.647236] usbcore: registered new interface driver smsc95xx
[ 1.653382] usbcore: registered new interface driver net1080
[ 1.659400] usbcore: registered new interface driver cdc_subset
[ 1.665743] usbcore: registered new interface driver zaurus
[ 1.671794] usbcore: registered new interface driver cdc_ncm
[ 1.679037] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.685995] ehci-omap: OMAP-EHCI Host Controller driver
[ 1.692040] usbcore: registered new interface driver cdc_wdm
[ 1.698144] usbcore: registered new interface driver usb-storage
[ 1.707480] am335x-phy-driver 47401300.usb-phy: GPIO lookup for consumer reset
[ 1.715121] am335x-phy-driver 47401300.usb-phy: using device tree for GPIO lookup
[ 1.722974] of_get_named_gpiod_flags: can't parse 'reset-gpios' property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.734351] of_get_named_gpiod_flags: can't parse 'reset-gpio' property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.745631] am335x-phy-driver 47401300.usb-phy: using lookup tables for GPIO lookup
[ 1.753657] am335x-phy-driver 47401300.usb-phy: lookup for GPIO reset failed
[ 1.761022] am335x-phy-driver 47401300.usb-phy: GPIO lookup for consumer vbus-detect
[ 1.769128] am335x-phy-driver 47401300.usb-phy: using device tree for GPIO lookup
[ 1.776967] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpios' property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.788884] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpio' property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.800708] am335x-phy-driver 47401300.usb-phy: using lookup tables for GPIO lookup
[ 1.808726] am335x-phy-driver 47401300.usb-phy: lookup for GPIO vbus-detect failed
[ 1.816722] 47401300.usb-phy supply vcc not found, using dummy regulator
[ 1.828233] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 1.839396] musb-hdrc: MHDRC RTL version 2.0
[ 1.843980] musb-hdrc: setup fifo_mode 4
[ 1.848086] musb-hdrc: 28/31 max ep, 16384/16384 memory
[ 1.853892] musb-hdrc musb-hdrc.0.auto: MUSB HDRC host driver
[ 1.862785] musb-hdrc musb-hdrc.0.auto: new USB bus registered, assigned bus number 1
[ 1.873128] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.880229] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.887849] usb usb1: Product: MUSB HDRC host driver
[ 1.893062] usb usb1: Manufacturer: Linux 4.0.0-rc7-00016-g7b43b47-dirty musb-hcd
[ 1.900876] usb usb1: SerialNumber: musb-hdrc.0.auto
[ 1.910221] hub 1-0:1.0: USB hub found
[ 1.914819] hub 1-0:1.0: 1 port detected
[ 1.925676] am335x-phy-driver 47401b00.usb-phy: GPIO lookup for consumer reset
[ 1.933374] am335x-phy-driver 47401b00.usb-phy: using device tree for GPIO lookup
[ 1.941204] of_get_named_gpiod_flags: can't parse 'reset-gpios' property of node '/ocp/usb@47400000/usb-phy@47401b00[0]'
[ 1.952593] of_get_named_gpiod_flags: can't parse 'reset-gpio' property of node '/ocp/usb@47400000/usb-phy@47401b00[0]'
[ 1.963876] am335x-phy-driver 47401b00.usb-phy: using lookup tables for GPIO lookup
[ 1.971898] am335x-phy-driver 47401b00.usb-phy: lookup for GPIO reset failed
[ 1.979262] am335x-phy-driver 47401b00.usb-phy: GPIO lookup for consumer vbus-detect
[ 1.987368] am335x-phy-driver 47401b00.usb-phy: using device tree for GPIO lookup
[ 1.995205] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpios' property of node '/ocp/usb@47400000/usb-phy@47401b00[0]'
[ 2.007133] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpio' property of node '/ocp/usb@47400000/usb-phy@47401b00[0]'
[ 2.018958] am335x-phy-driver 47401b00.usb-phy: using lookup tables for GPIO lookup
[ 2.026983] am335x-phy-driver 47401b00.usb-phy: lookup for GPIO vbus-detect failed
[ 2.034981] 47401b00.usb-phy supply vcc not found, using dummy regulator
[ 2.045415] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 2.056499] musb-hdrc: MHDRC RTL version 2.0
[ 2.061048] musb-hdrc: setup fifo_mode 4
[ 2.065175] musb-hdrc: 28/31 max ep, 16384/16384 memory
[ 2.070936] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[ 2.080720] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 2
[ 2.089811] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 2.096956] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.104521] usb usb2: Product: MUSB HDRC host driver
[ 2.109706] usb usb2: Manufacturer: Linux 4.0.0-rc7-00016-g7b43b47-dirty musb-hcd
[ 2.117540] usb usb2: SerialNumber: musb-hdrc.1.auto
[ 2.124711] hub 2-0:1.0: USB hub found
[ 2.128756] hub 2-0:1.0: 1 port detected
[ 2.137652] mousedev: PS/2 mouse device common for all mice
[ 2.147011] input: ti-tsc as /devices/platform/ocp/44e0d000.tscadc/TI-am335x-tsc/input/input0
[ 2.159357] omap_rtc 44e3e000.rtc: already running
[ 2.166056] omap_rtc 44e3e000.rtc: rtc core: registered 44e3e000.rtc as rtc0
[ 2.174300] i2c /dev entries driver
[ 2.178022] Driver for 1-wire Dallas network protocol.
[ 2.186852] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 2.195305] Driver 'mmcblk' needs updating - please use bus_type methods
[ 2.203477] omap_hsmmc 48060000.mmc: GPIO lookup for consumer cd
[ 2.209761] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup
[ 2.216657] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@48060000[0]'
[ 2.226223] of_get_named_gpiod_flags: can't parse 'cd-gpio' property of node '/ocp/mmc@48060000[0]'
[ 2.235740] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup
[ 2.242773] omap_hsmmc 48060000.mmc: lookup for GPIO cd failed
[ 2.248873] omap_hsmmc 48060000.mmc: GPIO lookup for consumer wp
[ 2.255167] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup
[ 2.262006] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@48060000[0]'
[ 2.271564] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@48060000[0]'
[ 2.281009] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup
[ 2.288030] omap_hsmmc 48060000.mmc: lookup for GPIO wp failed
[ 2.332232] omap_hsmmc 481d8000.mmc: GPIO lookup for consumer cd
[ 2.338525] omap_hsmmc 481d8000.mmc: using device tree for GPIO lookup
[ 2.345420] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@481d8000[0]'
[ 2.354988] of_get_named_gpiod_flags: can't parse 'cd-gpio' property of node '/ocp/mmc@481d8000[0]'
[ 2.364456] omap_hsmmc 481d8000.mmc: using lookup tables for GPIO lookup
[ 2.371458] omap_hsmmc 481d8000.mmc: lookup for GPIO cd failed
[ 2.377577] omap_hsmmc 481d8000.mmc: GPIO lookup for consumer wp
[ 2.383870] omap_hsmmc 481d8000.mmc: using device tree for GPIO lookup
[ 2.390689] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@481d8000[0]'
[ 2.400248] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@481d8000[0]'
[ 2.409712] omap_hsmmc 481d8000.mmc: using lookup tables for GPIO lookup
[ 2.416751] omap_hsmmc 481d8000.mmc: lookup for GPIO wp failed
[ 2.462627] of_get_named_gpiod_flags: parsed 'gpios' property of node '/leds/led@0[0]' - status (0)
[ 2.473310] ledtrig-cpu: registered to indicate activity on CPUs
[ 2.480119] usbcore: registered new interface driver usbhid
[ 2.486056] usbhid: USB HID core driver
[ 2.491721] oprofile: using arm/armv7
[ 2.496361] TCP: cubic registered
[ 2.499867] Initializing XFRM netlink socket
[ 2.504577] NET: Registered protocol family 17
[ 2.509299] NET: Registered protocol family 15
[ 2.514002] can: controller area network core (rev 20120528 abi 9)
[ 2.520614] NET: Registered protocol family 29
[ 2.525393] can: raw protocol (rev 20120528)
[ 2.529977] can: broadcast manager protocol (rev 20120528 t)
[ 2.535965] can: netlink gateway (rev 20130117) max_hops=1
[ 2.542166] Key type dns_resolver registered
[ 2.546894] omap_voltage_late_init: Voltage driver support not added
[ 2.553619] sr_dev_init: No voltage domain specified for smartreflex0. Cannot initialize
[ 2.562108] sr_dev_init: No voltage domain specified for smartreflex1. Cannot initialize
[ 2.571316] platform cpufreq-dt.0: Driver cpufreq-dt requests probe deferral
[ 2.579506] ThumbEE CPU extension supported.
[ 2.584079] Registering SWP/SWPB emulation handler
[ 2.589096] SmartReflex Class3 initialized
[ 2.594904] mmc0: MAN_BKOPS_EN bit is not set
[ 2.605746] mmc0: new high speed MMC card at address 0001
[ 2.614855] omap-gpmc 50000000.gpmc: GPMC revision 6.0
[ 2.620417] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
[ 2.632159] mmcblk0: mmc0:0001 MMC04G 3.52 GiB
[ 2.637681] mmcblk0boot0: mmc0:0001 MMC04G partition 1 16.0 MiB
[ 2.647490] 8000000.uart: ttyS0 at MMIO 0x8000000 (irq = 0, base_baud = 1152000) is a 16550A
[ 2.658129] mmcblk0boot1: mmc0:0001 MMC04G partition 2 16.0 MiB
[ 2.670556] mmcblk0: p1
[ 2.677387] 8000008.uart: ttyS1 at MMIO 0x8000008 (irq = 0, base_baud = 1152000) is a 16550A
[ 2.711807] usb 2-1: new high-speed USB device number 2 using musb-hdrc
[ 2.720331] tps65910 0-002d: No interrupt support, no core IRQ
[ 2.734918] vrtc: supplied by vmain
[ 2.742218] vio: supplied by vmain
[ 2.749188] vdd_mpu: supplied by vmain
[ 2.756594] vdd_core: supplied by vmain
[ 2.765485] vdig1: supplied by vmain
[ 2.772734] vdig2: supplied by vmain
[ 2.779296] vpll: supplied by vmain
[ 2.786243] vdac: supplied by vmain
[ 2.792857] vaux1: supplied by vmain
[ 2.799242] vaux2: supplied by vmain
[ 2.805891] vaux33: supplied by vmain
[ 2.812617] vmmc: supplied by vmain
[ 2.819067] vbb: supplied by vmain
[ 2.829270] si5351 0-0060: si5351_pll_recalc_rate - plla: p1 = 261632, p2 = 0, p3 = 1, parent_rate = 0, rate = 0
[ 2.845198] si5351 0-0060: si5351_msynth_recalc_rate - ms0: p1 = 5632, p2 = 0, p3 = 1, m = 6144, parent_rate = 0, rate = 0
[ 2.860877] si5351 0-0060: si5351_clkout_round_rate - clk0: rdiv = 1, parent_rate = 18432000, rate = 18432000
[ 2.871292] si5351 0-0060: si5351_msynth_round_rate - ms0: a = 48, b = 0, c = 1, divby4 = 0, parent_rate = 884736000, rate = 18432000
[ 2.883849] Division by zero in kernel.
[ 2.887862] CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.0.0-rc7-00016-g7b43b47-dirty #11
[ 2.896602] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 2.903008] Workqueue: deferwq deferred_probe_work_func
[ 2.908505] [<c0015be4>] (unwind_backtrace) from [<c0012258>] (show_stack+0x10/0x14)
[ 2.916631] [<c0012258>] (show_stack) from [<c066bbdc>] (dump_stack+0x84/0x9c)
[ 2.924211] [<c066bbdc>] (dump_stack) from [<c031d8ec>] (Ldiv0+0x8/0x10)
[ 2.931224] [<c031d8ec>] (Ldiv0) from [<c05704a0>] (si5351_pll_round_rate+0x3c/0x190)
[ 2.939430] [<c05704a0>] (si5351_pll_round_rate) from [<c056caa8>] (clk_calc_new_rates+0x1dc/0x260)
[ 2.948902] [<c056caa8>] (clk_calc_new_rates) from [<c056c9c8>] (clk_calc_new_rates+0xfc/0x260)
[ 2.958005] Division by zero in kernel.
[ 2.962030] CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.0.0-rc7-00016-g7b43b47-dirty #11
[ 2.970748] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 2.977133] Workqueue: deferwq deferred_probe_work_func
[ 2.982622] [<c0015be4>] (unwind_backtrace) from [<c0012258>] (show_stack+0x10/0x14)
[ 2.990712] [<c0012258>] (show_stack) from [<c066bbdc>] (dump_stack+0x84/0x9c)
[ 2.998279] [<c066bbdc>] (dump_stack) from [<c031d8ec>] (Ldiv0+0x8/0x10)
[ 3.005312] [<c031d8ec>] (Ldiv0) from [<c031d8bc>] (__aeabi_uidivmod+0x8/0x18)
[ 3.012879] [<c031d8bc>] (__aeabi_uidivmod) from [<c05704c8>] (si5351_pll_round_rate+0x64/0x190)
[ 3.022078] [<c05704c8>] (si5351_pll_round_rate) from [<c056caa8>] (clk_calc_new_rates+0x1dc/0x260)
[ 3.031560] [<c056caa8>] (clk_calc_new_rates) from [<c056c9c8>] (clk_calc_new_rates+0xfc/0x260)
[ 3.040641] Division by zero in kernel.
[ 3.044673] CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.0.0-rc7-00016-g7b43b47-dirty #11
[ 3.053411] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 3.059776] Workqueue: deferwq deferred_probe_work_func
[ 3.065265] [<c0015be4>] (unwind_backtrace) from [<c0012258>] (show_stack+0x10/0x14)
[ 3.073382] [<c0012258>] (show_stack) from [<c066bbdc>] (dump_stack+0x84/0x9c)
[ 3.080928] [<c066bbdc>] (dump_stack) from [<c031ce00>] (Ldiv0_64+0x8/0x18)
[ 3.088225] [<c031ce00>] (Ldiv0_64) from [<c05704e0>] (si5351_pll_round_rate+0x7c/0x190)
[ 3.096700] [<c05704e0>] (si5351_pll_round_rate) from [<c056caa8>] (clk_calc_new_rates+0x1dc/0x260)
[ 3.106170] [<c056caa8>] (clk_calc_new_rates) from [<c056c9c8>] (clk_calc_new_rates+0xfc/0x260)
[ 3.115280] si5351 0-0060: si5351_pll_round_rate - plla: a = 0, b = 0, c = 1, parent_rate = 0, rate = 0
[ 3.125125] si5351 0-0060: si5351_msynth_recalc_rate - ms0: p1 = 5632, p2 = 0, p3 = 1, m = 6144, parent_rate = 0, rate = 0
[ 3.137702] usb 2-1: New USB device found, idVendor=0424, idProduct=2512
[ 3.144764] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3.155260] hub 2-1:1.0: USB hub found
[ 3.159354] hub 2-1:1.0: 2 ports detected
[ 3.167784] si5351 0-0060: si5351_pll_set_rate - plla: p1 = 4294966784, p2 = 0, p3 = 1, parent_rate = 0, rate = 0
[ 3.178577] si5351 0-0060: si5351_pll_recalc_rate - plla: p1 = 4294966784, p2 = 0, p3 = 1, parent_rate = 0, rate = 0
[ 3.189999] si5351 0-0060: si5351_msynth_set_rate - ms0: p1 = 5632, p2 = 0, p3 = 1, divby4 = 0, parent_rate = 0, rate = 18432000
[ 3.202118] si5351 0-0060: si5351_msynth_recalc_rate - ms0: p1 = 5632, p2 = 0, p3 = 1, m = 6144, parent_rate = 0, rate = 0
[ 3.213686] si5351 0-0060: si5351_clkout_set_rate - clk0: rdiv = 128, parent_rate = 0, rate = 18432000
[ 3.223696] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz
[ 3.234369] cpufreq: __cpufreq_add_dev: CPU0: Running at unlisted freq: 1000000 KHz
[ 3.291656] tilcdc 4830e000.lcdc: timeout waiting for framedone
[ 3.331875] cpufreq: __cpufreq_add_dev: CPU0: Unlisted initial frequency changed to: 720000 KHz
[ 3.401725] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
[ 3.408133] davinci_mdio 4a101000.mdio: detected phy mask fffffffc
[ 3.419351] libphy: 4a101000.mdio: probed
[ 3.423725] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver unknown
[ 3.432182] davinci_mdio 4a101000.mdio: phy[1]: device 4a101000.mdio:01, driver unknown
[ 3.442499] cpsw 4a100000.ethernet: Detected MACID = 6c:ec:eb:6c:8a:4b
[ 3.453442] omap_rtc 44e3e000.rtc: setting system clock to 2015-02-26 04:13:35 UTC (1424924015)
[ 3.462674] sr_init: No PMIC hook to init smartreflex
[ 3.468302] sr_init: platform driver register failed for SR
[ 3.538223] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: (null)
[ 3.547109] VFS: Mounted root (ext4 filesystem) readonly on device 179:1.
[ 3.558090] devtmpfs: mounted
[ 3.562299] Freeing unused kernel memory: 444K (c0949000 - c09b8000)
INIT: version 2.88 booting
Starting udev
[ 4.707396] udevd[88]: starting version 182
[ 11.725776] EXT4-fs (mmcblk0p1): re-mounted. Opts: data=ordered
bootlogd: cannot allocate pseudo tty: No such file or directory
[ 12.154807] random: dd urandom read with 53 bits of entropy available
ALSA: Restoring mixer settings...
/usr/sbin/alsactl: load_state:1729: No soundcards found...
INIT: Entering runlevel: 5
Configuring network interfaces... done.
Starting system message bus: dbus.
Starting Network Interface Plugging Daemon: eth0.
[ 16.740773] net eth0: initializing cpsw version 1.12 (0)
[ 16.822202] net eth0: phy found : id is : 0x221513
[ 16.827491] libphy: PHY 4a101000.mdio:02 not found
[ 16.832620] net eth0: phy 4a101000.mdio:02 not found on slave 1
Starting OpenBSD Secure Shell server: sshd
[ 16.961158] EXT4-fs (mmcblk0p1): warning: maximal mount count reached, running e2fsck is recommended
[ 17.035196] EXT4-fs (mmcblk0p1): re-mounted. Opts: data=ordered
[ 17.100834] EXT4-fs (mmcblk0p1): re-mounted. Opts: data=ordered
done.
Starting rpcbind daemon...rpcbind: cannot create socket for udp6
rpcbind: cannot create socket for tcp6
done.
creating NFS state directory: done
starting statd: done
Starting advanced power management daemon: No APM support in kernel
(failed.)
Starting ntpd: done
Starting syslogd/klogd: done
Starting Lighttpd Web Server: lighttpd.

EMAC OpenEmbedded Linux - 5.0.0 - Beta
Copyright (C) 2014, EMAC, Inc. All rights reserved.

Headless
som3517-som200

som3517-som200 login: [ 19.822835] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
root
Password:
root@som3517-som200:~# cat /proc/version
Linux version 4.0.0-rc7-00016-g7b43b47-dirty (michael@deathray) (gcc version 4.9.1 (GCC) ) #11 SMP Tue Apr 14 18:51:01 CDT 2015
root@som3517-som200:~# cat /sys/kernel/debug/
bdi/ extfrag/ kprobes/ musb-hdrc.0.auto/ omap_mux/ pwm sleep_time ubifs/
clk/ fault_around_bytes memblock/ musb-hdrc.0.auto.dsps/ pinctrl/ regmap/ suspend_stats usb/
dma_buf/ gpio mmc0/ musb-hdrc.1.auto/ pm_debug/ regulator/ tracing/ wakeup_sources
dri/ hid/ mmc1/ musb-hdrc.1.auto.dsps/ pm_qos/ sched_features ubi/
root@som3517-som200:~# cat /sys/kernel/debug/clk/
adc_tsc_fck/ clk_summary dpll_core_m4_ck/ dpll_per_ck/ gpio2_dbclk/ mmc_clk/ stm_clk_div_ck/ timer7_fck/
aes0_fck/ clkdiv32k_ck/ dpll_core_m4_div2_ck/ dpll_per_m2_ck/ gpio3_dbclk/ mmu_fck/ stm_pmd_clock_mux_ck/ trace_clk_div_ck/
cefuse_fck/ clkdiv32k_ick/ dpll_core_m5_ck/ dpll_per_m2_div4_ck/ ieee5000_fck/ ms0/ sys_clkin_ck/ trace_pmd_clk_mux_ck/
clk0/ clkout2_ck/ dpll_core_m6_ck/ dpll_per_m2_div4_wkupdm_ck/ l3_gclk/ ms1/ sysclk_div_ck/ usbotg_fck/
clk1/ clkout2_div_ck/ dpll_core_x2_ck/ ehrpwm0_tbclk/ l3s_gclk/ ms2/ sysclkout_pre_ck/ virt_19200000_ck/
clk2/ cpsw_125mhz_gclk/ dpll_ddr_ck/ ehrpwm1_tbclk/ l4_rtc_gclk/ plla/ tclkin_ck/ virt_24000000_ck/
clk_24mhz/ cpsw_cpts_rft_clk/ dpll_ddr_m2_ck/ ehrpwm2_tbclk/ l4fw_gclk/ pllb/ timer1_fck/ virt_25000000_ck/
clk_32768_ck/ dbg_clka_ck/ dpll_ddr_m2_div2_ck/ gfx_fck_div_ck/ l4hs_gclk/ pruss_ocp_gclk/ timer2_fck/ virt_26000000_ck/
clk_dump dbg_sysclk_ck/ dpll_disp_ck/ gfx_fclk_clksel_ck/ l4ls_gclk/ rng_fck/ timer3_fck/ wdt1_fck/
clk_orphan_dump dcan0_fck/ dpll_disp_m2_ck/ gpio0_dbclk/ lcd_gclk/ sha0_fck/ timer4_fck/ xtal/
clk_orphan_summary dcan1_fck/ dpll_mpu_ck/ gpio0_dbclk_mux_ck/ mcasp0_fck/ smartreflex0_fck/ timer5_fck/
clk_rc32k_ck/ dpll_core_ck/ dpll_mpu_m2_ck/ gpio1_dbclk/ mcasp1_fck/ smartreflex1_fck/ timer6_fck/
root@som3517-som200:~# cat /sys/kernel/debug/clk/clk_summary
clock enable_cnt prepare_cnt rate accuracy phase
----------------------------------------------------------------------------------------
tclkin_ck 0 0 12000000 0 0
virt_26000000_ck 1 1 26000000 0 0
sys_clkin_ck 11 23 26000000 0 0
timer6_fck 0 1 26000000 0 0
timer3_fck 0 1 26000000 0 0
dbg_sysclk_ck 0 1 26000000 0 0
timer7_fck 0 1 26000000 0 0
timer5_fck 0 1 26000000 0 0
timer4_fck 0 1 26000000 0 0
timer2_fck 1 1 26000000 0 0
timer1_fck 1 1 26000000 0 0
cefuse_fck 0 0 26000000 0 0
dpll_per_ck 2 2 960000000 0 0
usbotg_fck 1 1 960000000 0 0
dpll_per_m2_ck 3 4 192000000 0 0
mmc_clk 0 3 96000000 0 0
clk_24mhz 1 1 24000000 0 0
clkdiv32k_ck 1 1 32786 0 0
clkdiv32k_ick 1 5 32786 0 0
wdt1_fck 0 1 32786 0 0
gpio3_dbclk 0 1 32786 0 0
gpio2_dbclk 0 1 32786 0 0
gpio1_dbclk 0 1 32786 0 0
dpll_per_m2_div4_ck 1 9 48000000 0 0
dpll_per_m2_div4_wkupdm_ck 1 2 48000000 0 0
dpll_disp_ck 1 1 18000000 0 0
dpll_disp_m2_ck 1 1 18000000 0 0
lcd_gclk 1 1 18000000 0 0
dpll_ddr_ck 1 1 400000000 0 0
dpll_ddr_m2_ck 2 2 400000000 0 0
dpll_ddr_m2_div2_ck 1 1 200000000 0 0
dpll_mpu_ck 1 1 275000000 0 0
dpll_mpu_m2_ck 4 4 275000000 0 0
dpll_core_ck 1 1 1000000000 0 0
dpll_core_x2_ck 2 2 2000000000 0 0
dpll_core_m6_ck 0 0 500000000 0 0
dpll_core_m5_ck 1 1 250000000 0 0
cpsw_cpts_rft_clk 0 0 250000000 0 0
cpsw_125mhz_gclk 3 3 125000000 0 0
dpll_core_m4_ck 9 11 200000000 0 0
dbg_clka_ck 0 2 200000000 0 0
trace_pmd_clk_mux_ck 0 1 200000000 0 0
trace_clk_div_ck 0 1 50000000 0 0
stm_pmd_clock_mux_ck 0 0 200000000 0 0
stm_clk_div_ck 0 0 50000000 0 0
gfx_fclk_clksel_ck 0 1 200000000 0 0
gfx_fck_div_ck 0 1 200000000 0 0
sysclk_div_ck 0 0 200000000 0 0
l4hs_gclk 2 2 200000000 0 0
l4_rtc_gclk 0 0 100000000 0 0
dpll_core_m4_div2_ck 15 17 100000000 0 0
l4ls_gclk 45 60 100000000 0 0
ehrpwm2_tbclk 0 1 100000000 0 0
ehrpwm1_tbclk 0 0 100000000 0 0
ehrpwm0_tbclk 0 0 100000000 0 0
l4fw_gclk 1 1 100000000 0 0
l3s_gclk 10 10 100000000 0 0
ieee5000_fck 0 0 100000000 0 0
mmu_fck 0 0 200000000 0 0
l3_gclk 13 15 200000000 0 0
pruss_ocp_gclk 0 1 200000000 0 0
rng_fck 2 2 26000000 0 0
aes0_fck 1 2 26000000 0 0
sha0_fck 1 1 26000000 0 0
smartreflex1_fck 0 1 26000000 0 0
smartreflex0_fck 0 1 26000000 0 0
mcasp1_fck 0 1 26000000 0 0
mcasp0_fck 0 1 26000000 0 0
dcan1_fck 0 1 26000000 0 0
dcan0_fck 0 1 26000000 0 0
adc_tsc_fck 1 1 26000000 0 0
virt_25000000_ck 0 0 25000000 0 0
virt_24000000_ck 0 0 24000000 0 0
virt_19200000_ck 0 0 19200000 0 0
clk_rc32k_ck 0 1 32000 0 0
gpio0_dbclk_mux_ck 0 1 32000 0 0
gpio0_dbclk 0 1 32000 0 0
clk_32768_ck 2 2 32768 0 0
sysclkout_pre_ck 1 1 32768 0 0
clkout2_div_ck 1 1 32768 0 0
clkout2_ck 1 1 32768 0 0
xtal 0 0 0 0 0
pllb 0 0 0 0 0
ms2 0 0 0 0 0
clk2 0 0 0 0 0
ms1 0 0 0 0 0
clk1 0 0 0 0 0
plla 0 0 0 0 0
ms0 0 0 0 0 0
clk0 0 0 0 0 0
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  Last update: 2015-04-15 16:41    [W:0.130 / U:1.700 seconds]
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