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Merge tag 'integrator-armsoc-1' of git://git.kernel.org/pub/scm/linux…
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…/kernel/git/linusw/linux-integrator into next/late

Pull "This is a bunch of Integrator changes for v4.9" Linus Walleij:

- Add and fix a bunch of clocks in the DTS corresponding
  to the new clock support merged into the clk tree.
- Move the CLCD display configuration from boardfile to
  device tree using the new CLCD support merged into the
  fbdev tree.
- Cut some auxdata.
- Cut some static remappings.
- Move the sched_clock() counter to use syscon+regmap.

* tag 'integrator-armsoc-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
  ARM: integrator: read counter using syscon/regmap
  ARM: integrator: cut down on static maps
  ARM: integrator: delete some auxdata
  ARM: integrator: move CP CLCD display to DTS
  ARM: dts: add the core module clocks to Integrator/CP
  ARM: dts: Add the core module clocks to Integrator/AP
  ARM: dts: add the Integrator/AP baseboard clocks
  ARM: dts: set the 24MHz xtal as parent of the UART clock
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@arndb
arndb committed Sep 14, 2016
2 parents da9070b + bdb249f commit bac6dd3
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Showing 4 changed files with 126 additions and 158 deletions.
51 changes: 50 additions & 1 deletion arch/arm/boot/dts/integratorap.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@
bootargs = "root=/dev/ram0 console=ttyAM0,38400n8 earlyprintk";
};

/* 24 MHz chrystal on the core module */
/* 24 MHz chrystal on the Integrator/AP development board */
xtal24mhz: xtal24mhz@24M {
#clock-cells = <0>;
compatible = "fixed-clock";
Expand All @@ -39,6 +39,34 @@
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <14745600>;
clocks = <&xtal24mhz>;
};

core-module@10000000 {
/* 24 MHz chrystal on the core module */
cm24mhz: cm24mhz@24M {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
};

/* Oscillator on the core module, clocks the CPU core */
cmosc: cmosc@24M {
compatible = "arm,syscon-icst525-integratorap-cm";
#clock-cells = <0>;
lock-offset = <0x14>;
vco-offset = <0x08>;
clocks = <&cm24mhz>;
};

/* Auxilary oscillator on the core module, 32.369MHz at boot */
auxosc: auxosc@24M {
compatible = "arm,syscon-icst525";
#clock-cells = <0>;
lock-offset = <0x14>;
vco-offset = <0x1c>;
clocks = <&cm24mhz>;
};
};

syscon {
Expand All @@ -47,6 +75,27 @@
interrupt-parent = <&pic>;
/* These are the logical module IRQs */
interrupts = <9>, <10>, <11>, <12>;

/*
* SYSCLK clocks PCIv3 bridge, system controller and the
* logic modules.
*/
sysclk: apsys@24M {
compatible = "arm,syscon-icst525-integratorap-sys";
#clock-cells = <0>;
lock-offset = <0x1c>;
vco-offset = <0x04>;
clocks = <&xtal24mhz>;
};

/* One-bit control for the PCI bus clock (33 or 25 MHz) */
pciclk: pciclk@24M {
compatible = "arm,syscon-icst525-integratorap-pci";
#clock-cells = <0>;
lock-offset = <0x1c>;
vco-offset = <0x04>;
clocks = <&xtal24mhz>;
};
};

timer0: timer@13000000 {
Expand Down
74 changes: 63 additions & 11 deletions arch/arm/boot/dts/integratorcp.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -58,20 +58,37 @@

core-module@10000000 {
/* 24 MHz chrystal on the core module */
xtal24mhz: xtal24mhz@24M {
cm24mhz: cm24mhz@24M {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
};

/*
* External oscillator on the core module, usually used
* to drive video circuitry. Driven from the 24MHz clock.
*/
auxosc: cm_aux_osc@25M {
/* Oscillator on the core module, clocks the CPU core */
cmcore: cmosc@24M {
compatible = "arm,syscon-icst525-integratorcp-cm-core";
#clock-cells = <0>;
lock-offset = <0x14>;
vco-offset = <0x08>;
clocks = <&cm24mhz>;
};

/* Oscillator on the core module, clocks the memory bus */
cmmem: cmosc@24M {
compatible = "arm,syscon-icst525-integratorcp-cm-mem";
#clock-cells = <0>;
lock-offset = <0x14>;
vco-offset = <0x08>;
clocks = <&cm24mhz>;
};

/* Auxilary oscillator on the core module, clocks the CLCD */
auxosc: auxosc@24M {
compatible = "arm,syscon-icst525";
#clock-cells = <0>;
compatible = "arm,integrator-cm-auxosc";
clocks = <&xtal24mhz>;
lock-offset = <0x14>;
vco-offset = <0x1c>;
clocks = <&cm24mhz>;
};

/* The KMI clock is the 24 MHz oscillator divided to 8MHz */
Expand All @@ -80,7 +97,7 @@
compatible = "fixed-factor-clock";
clock-div = <3>;
clock-mult = <1>;
clocks = <&xtal24mhz>;
clocks = <&cm24mhz>;
};

/* The timer clock is the 24 MHz oscillator divided to 1MHz */
Expand All @@ -89,7 +106,7 @@
compatible = "fixed-factor-clock";
clock-div = <24>;
clock-mult = <1>;
clocks = <&xtal24mhz>;
clocks = <&cm24mhz>;
};
};

Expand Down Expand Up @@ -209,7 +226,42 @@
reg = <0xC0000000 0x1000>;
interrupts = <22>;
clocks = <&auxosc>, <&pclk>;
clock-names = "clcd", "apb_pclk";
clock-names = "clcdclk", "apb_pclk";

port {
/*
* The VGA connected is implemented with a
* THS8134A triple DAC that can be run in 24bit
* or 16bit RGB mode.
*/
clcd_pads: endpoint {
remote-endpoint = <&clcd_panel>;
arm,pl11x,tft-r0g0b0-pads = <1 7 13>;
};
};

panel {
compatible = "panel-dpi";

port {
clcd_panel: endpoint {
remote-endpoint = <&clcd_pads>;
};
};

/* Standard 640x480 VGA timings */
panel-timing {
clock-frequency = <25175000>;
hactive = <640>;
hback-porch = <48>;
hfront-porch = <16>;
hsync-len = <96>;
vactive = <480>;
vback-porch = <33>;
vfront-porch = <10>;
vsync-len = <2>;
};
};
};
};
};
36 changes: 0 additions & 36 deletions arch/arm/mach-integrator/integrator_ap.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17,33 +17,19 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/syscore_ops.h>
#include <linux/amba/bus.h>
#include <linux/amba/kmi.h>
#include <linux/io.h>
#include <linux/irqchip.h>
#include <linux/platform_data/clk-integrator.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/stat.h>
#include <linux/termios.h>

#include <asm/setup.h>
#include <asm/param.h> /* HZ */
#include <asm/mach-types.h>

#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>

#include "hardware.h"
#include "cm.h"
Expand All @@ -68,14 +54,8 @@ static void __iomem *ebi_base;

/*
* Logical Physical
* ef000000 Cache flush
* f1100000 11000000 System controller registers
* f1300000 13000000 Counter/Timer
* f1400000 14000000 Interrupt controller
* f1600000 16000000 UART 0
* f1700000 17000000 UART 1
* f1a00000 1a000000 Debug LEDs
* f1b00000 1b000000 GPIO
*/

static struct map_desc ap_io_desc[] __initdata __maybe_unused = {
Expand All @@ -89,16 +69,6 @@ static struct map_desc ap_io_desc[] __initdata __maybe_unused = {
.pfn = __phys_to_pfn(INTEGRATOR_UART0_BASE),
.length = SZ_4K,
.type = MT_DEVICE
}, {
.virtual = IO_ADDRESS(INTEGRATOR_DBG_BASE),
.pfn = __phys_to_pfn(INTEGRATOR_DBG_BASE),
.length = SZ_4K,
.type = MT_DEVICE
}, {
.virtual = IO_ADDRESS(INTEGRATOR_AP_GPIO_BASE),
.pfn = __phys_to_pfn(INTEGRATOR_AP_GPIO_BASE),
.length = SZ_4K,
.type = MT_DEVICE
}
};

Expand Down Expand Up @@ -196,16 +166,10 @@ static void __init ap_init_irq_of(void)

/* For the Device Tree, add in the UART callbacks as AUXDATA */
static struct of_dev_auxdata ap_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_RTC_BASE,
"rtc", NULL),
OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART0_BASE,
"uart0", &ap_uart_data),
OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART1_BASE,
"uart1", &ap_uart_data),
OF_DEV_AUXDATA("arm,primecell", KMI0_BASE,
"kmi0", NULL),
OF_DEV_AUXDATA("arm,primecell", KMI1_BASE,
"kmi1", NULL),
{ /* sentinel */ },
};

Expand Down
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