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authorOlof Johansson <olof@lixom.net>2014-07-07 21:47:03 -0700
committerOlof Johansson <olof@lixom.net>2014-07-07 21:47:03 -0700
commit12af7011e958f2d2cef3ec1e2b692fb93f9c3dac (patch)
tree3b151e6d039d8d37e47d3db997869f1fecf658ec /arch
parentb040614c5bf6af6657574299fdf0572d47b53366 (diff)
parenta54c959d8be9d057b1a192e34a378b74dd81c5f6 (diff)
Merge tag 'versatile-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into next/soc
Merge "DT IRQ and clock support for Versatile platforms" from Rob Herring. This branch moves IRQ and clock support over to DT for the versatile platforms. * tag 'versatile-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: clk: versatile: add versatile OSC support dts: versatile: add clock tree ARM: timer-sp: allow getting timer1 clock from DT to fallback to legacy clock dt/bindings: add compatible string for versatile osc clock dt/bindings: arm-boards: add binding for Versatile core module dts: versatile: add pl180 compatible strings ARM: versatile: remove init_irq hook for DT boot ARM: integrator: convert to use irqchip_init irqchip: versatile-fpga: add support for arm,versatile-sic irqchip: versatile-fpga: Add IRQCHIP_DECLARE support dts: versatile: add missing irq controller properties Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/versatile-ab.dts81
-rw-r--r--arch/arm/boot/dts/versatile-pb.dts12
-rw-r--r--arch/arm/common/timer-sp.c4
-rw-r--r--arch/arm/mach-integrator/integrator_ap.c10
-rw-r--r--arch/arm/mach-integrator/integrator_cp.c10
-rw-r--r--arch/arm/mach-versatile/versatile_dt.c1
6 files changed, 97 insertions, 21 deletions
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
index e01e5a081def..36c771a2d765 100644
--- a/arch/arm/boot/dts/versatile-ab.dts
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -19,6 +19,41 @@
reg = <0x0 0x08000000>;
};
+ xtal24mhz: xtal24mhz@24M {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ };
+
+ core-module@10000000 {
+ compatible = "arm,core-module-versatile", "syscon";
+ reg = <0x10000000 0x200>;
+
+ /* OSC1 on AB, OSC4 on PB */
+ osc1: cm_aux_osc@24M {
+ #clock-cells = <0>;
+ compatible = "arm,versatile-cm-auxosc";
+ clocks = <&xtal24mhz>;
+ };
+
+ /* The timer clock is the 24 MHz oscillator divided to 1MHz */
+ timclk: timclk@1M {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clock-div = <24>;
+ clock-mult = <1>;
+ clocks = <&xtal24mhz>;
+ };
+
+ pclk: pclk@24M {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clock-div = <1>;
+ clock-mult = <1>;
+ clocks = <&xtal24mhz>;
+ };
+ };
+
flash@34000000 {
compatible = "arm,versatile-flash";
reg = <0x34000000 0x4000000>;
@@ -59,6 +94,8 @@
interrupt-controller;
#interrupt-cells = <1>;
reg = <0x10140000 0x1000>;
+ clear-mask = <0xffffffff>;
+ valid-mask = <0xffffffff>;
};
sic: intc@10003000 {
@@ -68,69 +105,93 @@
reg = <0x10003000 0x1000>;
interrupt-parent = <&vic>;
interrupts = <31>; /* Cascaded to vic */
+ clear-mask = <0xffffffff>;
+ valid-mask = <0xffc203f8>;
};
dma@10130000 {
compatible = "arm,pl081", "arm,primecell";
reg = <0x10130000 0x1000>;
interrupts = <17>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
uart0: uart@101f1000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x101f1000 0x1000>;
interrupts = <12>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
};
uart1: uart@101f2000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x101f2000 0x1000>;
interrupts = <13>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
};
uart2: uart@101f3000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x101f3000 0x1000>;
interrupts = <14>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
};
smc@10100000 {
compatible = "arm,primecell";
reg = <0x10100000 0x1000>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
mpmc@10110000 {
compatible = "arm,primecell";
reg = <0x10110000 0x1000>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
display@10120000 {
compatible = "arm,pl110", "arm,primecell";
reg = <0x10120000 0x1000>;
interrupts = <16>;
+ clocks = <&osc1>, <&pclk>;
+ clock-names = "clcd", "apb_pclk";
};
sctl@101e0000 {
compatible = "arm,primecell";
reg = <0x101e0000 0x1000>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
watchdog@101e1000 {
compatible = "arm,primecell";
reg = <0x101e1000 0x1000>;
interrupts = <0>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
timer@101e2000 {
compatible = "arm,sp804", "arm,primecell";
reg = <0x101e2000 0x1000>;
interrupts = <4>;
+ clocks = <&timclk>, <&timclk>, <&pclk>;
+ clock-names = "timer0", "timer1", "apb_pclk";
};
timer@101e3000 {
compatible = "arm,sp804", "arm,primecell";
reg = <0x101e3000 0x1000>;
interrupts = <5>;
+ clocks = <&timclk>, <&timclk>, <&pclk>;
+ clock-names = "timer0", "timer1", "apb_pclk";
};
gpio0: gpio@101e4000 {
@@ -141,6 +202,8 @@
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
gpio1: gpio@101e5000 {
@@ -151,24 +214,32 @@
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
rtc@101e8000 {
compatible = "arm,pl030", "arm,primecell";
reg = <0x101e8000 0x1000>;
interrupts = <10>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
sci@101f0000 {
compatible = "arm,primecell";
reg = <0x101f0000 0x1000>;
interrupts = <15>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
ssp@101f4000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x101f4000 0x1000>;
interrupts = <11>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "SSPCLK", "apb_pclk";
};
fpga {
@@ -181,23 +252,31 @@
compatible = "arm,primecell";
reg = <0x4000 0x1000>;
interrupts = <24>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
mmc@5000 {
- compatible = "arm,primecell";
+ compatible = "arm,pl180", "arm,primecell";
reg = < 0x5000 0x1000>;
interrupts-extended = <&vic 22 &sic 2>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "mclk", "apb_pclk";
};
kmi@6000 {
compatible = "arm,pl050", "arm,primecell";
reg = <0x6000 0x1000>;
interrupt-parent = <&sic>;
interrupts = <3>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "KMIREFCLK", "apb_pclk";
};
kmi@7000 {
compatible = "arm,pl050", "arm,primecell";
reg = <0x7000 0x1000>;
interrupt-parent = <&sic>;
interrupts = <4>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "KMIREFCLK", "apb_pclk";
};
};
};
diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts
index 65f657711323..d025048119d3 100644
--- a/arch/arm/boot/dts/versatile-pb.dts
+++ b/arch/arm/boot/dts/versatile-pb.dts
@@ -13,6 +13,8 @@
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
gpio3: gpio@101e7000 {
@@ -23,6 +25,8 @@
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
fpga {
@@ -31,17 +35,23 @@
reg = <0x9000 0x1000>;
interrupt-parent = <&sic>;
interrupts = <6>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
};
sci@a000 {
compatible = "arm,primecell";
reg = <0xa000 0x1000>;
interrupt-parent = <&sic>;
interrupts = <5>;
+ clocks = <&xtal24mhz>;
+ clock-names = "apb_pclk";
};
mmc@b000 {
- compatible = "arm,primecell";
+ compatible = "arm,pl180", "arm,primecell";
reg = <0xb000 0x1000>;
interrupts-extended = <&vic 23 &sic 2>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "mclk", "apb_pclk";
};
};
};
diff --git a/arch/arm/common/timer-sp.c b/arch/arm/common/timer-sp.c
index fd6bff0c5b96..19211324772f 100644
--- a/arch/arm/common/timer-sp.c
+++ b/arch/arm/common/timer-sp.c
@@ -233,13 +233,13 @@ static void __init sp804_of_init(struct device_node *np)
if (IS_ERR(clk1))
clk1 = NULL;
- /* Get the 2nd clock if the timer has 2 timer clocks */
+ /* Get the 2nd clock if the timer has 3 timer clocks */
if (of_count_phandle_with_args(np, "clocks", "#clock-cells") == 3) {
clk2 = of_clk_get(np, 1);
if (IS_ERR(clk2)) {
pr_err("sp804: %s clock not found: %d\n", np->name,
(int)PTR_ERR(clk2));
- goto err;
+ clk2 = NULL;
}
} else
clk2 = clk1;
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index 660ca6feff40..8ca290b479b1 100644
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -31,7 +31,7 @@
#include <linux/clockchips.h>
#include <linux/interrupt.h>
#include <linux/io.h>
-#include <linux/irqchip/versatile-fpga.h>
+#include <linux/irqchip.h>
#include <linux/mtd/physmap.h>
#include <linux/clk.h>
#include <linux/platform_data/clk-integrator.h>
@@ -439,15 +439,10 @@ static void __init ap_of_timer_init(void)
integrator_clockevent_init(rate, base, irq);
}
-static const struct of_device_id fpga_irq_of_match[] __initconst = {
- { .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, },
- { /* Sentinel */ }
-};
-
static void __init ap_init_irq_of(void)
{
cm_init();
- of_irq_init(fpga_irq_of_match);
+ irqchip_init();
}
/* For the Device Tree, add in the UART callbacks as AUXDATA */
@@ -558,7 +553,6 @@ DT_MACHINE_START(INTEGRATOR_AP_DT, "ARM Integrator/AP (Device Tree)")
.map_io = ap_map_io,
.init_early = ap_init_early,
.init_irq = ap_init_irq_of,
- .handle_irq = fpga_handle_irq,
.init_time = ap_of_timer_init,
.init_machine = ap_init_of,
.restart = integrator_restart,
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 0e57f8f820a5..5236ebee249c 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -20,7 +20,7 @@
#include <linux/amba/clcd.h>
#include <linux/amba/mmci.h>
#include <linux/io.h>
-#include <linux/irqchip/versatile-fpga.h>
+#include <linux/irqchip.h>
#include <linux/gfp.h>
#include <linux/mtd/physmap.h>
#include <linux/of_irq.h>
@@ -235,15 +235,10 @@ static void __init intcp_init_early(void)
sched_clock_register(intcp_read_sched_clock, 32, 24000000);
}
-static const struct of_device_id fpga_irq_of_match[] __initconst = {
- { .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, },
- { /* Sentinel */ }
-};
-
static void __init intcp_init_irq_of(void)
{
cm_init();
- of_irq_init(fpga_irq_of_match);
+ irqchip_init();
}
/*
@@ -329,7 +324,6 @@ DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)")
.map_io = intcp_map_io,
.init_early = intcp_init_early,
.init_irq = intcp_init_irq_of,
- .handle_irq = fpga_handle_irq,
.init_machine = intcp_init_of,
.restart = integrator_restart,
.dt_compat = intcp_dt_board_compat,
diff --git a/arch/arm/mach-versatile/versatile_dt.c b/arch/arm/mach-versatile/versatile_dt.c
index 3621b000a0f6..9f9bc61ca64b 100644
--- a/arch/arm/mach-versatile/versatile_dt.c
+++ b/arch/arm/mach-versatile/versatile_dt.c
@@ -44,7 +44,6 @@ static const char *versatile_dt_match[] __initconst = {
DT_MACHINE_START(VERSATILE_PB, "ARM-Versatile (Device Tree Support)")
.map_io = versatile_map_io,
.init_early = versatile_init_early,
- .init_irq = versatile_init_irq,
.init_machine = versatile_dt_init,
.dt_compat = versatile_dt_match,
.restart = versatile_restart,