mach-shmobile: Emma Mobile EV2 DT support V3 (3d5de271) · Commits · 戴 / test

arch/arm/boot/dts/emev2.dtsi

0 → 100644

+63 −0

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		/*
		* Device Tree Source for the EMEV2 SoC
		*
		* Copyright (C) 2012 Renesas Solutions Corp.
		*
		* This file is licensed under the terms of the GNU General Public License
		* version 2. This program is licensed "as is" without any warranty of any
		* kind, whether express or implied.
		*/

		/include/ "skeleton.dtsi"

		/ {
		compatible = "renesas,emev2";
		interrupt-parent = <&gic>;

		cpus {
		cpu@0 {
		compatible = "arm,cortex-a9";
		};
		cpu@1 {
		compatible = "arm,cortex-a9";
		};
		};

		gic: interrupt-controller@e0020000 {
		compatible = "arm,cortex-a9-gic";
		interrupt-controller;
		#interrupt-cells = <3>;
		reg = <0xe0028000 0x1000>,
		<0xe0020000 0x0100>;
		};

		sti@e0180000 {
		compatible = "renesas,em-sti";
		reg = <0xe0180000 0x54>;
		interrupts = <0 125 0>;
		};

		uart@e1020000 {
		compatible = "renesas,em-uart";
		reg = <0xe1020000 0x38>;
		interrupts = <0 8 0>;
		};

		uart@e1030000 {
		compatible = "renesas,em-uart";
		reg = <0xe1030000 0x38>;
		interrupts = <0 9 0>;
		};

		uart@e1040000 {
		compatible = "renesas,em-uart";
		reg = <0xe1040000 0x38>;
		interrupts = <0 10 0>;
		};

		uart@e1050000 {
		compatible = "renesas,em-uart";
		reg = <0xe1050000 0x38>;
		interrupts = <0 11 0>;
		};
		};

arch/arm/mach-shmobile/clock-emev2.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -191,10 +191,15 @@ static int __init emev2_sclkdiv_register(struct clk *clks, int nr)

		static struct clk_lookup lookups[] = {
		CLKDEV_DEV_ID("serial8250-em.0", &gclk_clks[GCLK_USIAU0_SCLK]),
		CLKDEV_DEV_ID("e1020000.uart", &gclk_clks[GCLK_USIAU0_SCLK]),
		CLKDEV_DEV_ID("serial8250-em.1", &gclk_clks[GCLK_USIBU1_SCLK]),
		CLKDEV_DEV_ID("e1030000.uart", &gclk_clks[GCLK_USIBU1_SCLK]),
		CLKDEV_DEV_ID("serial8250-em.2", &gclk_clks[GCLK_USIBU2_SCLK]),
		CLKDEV_DEV_ID("e1040000.uart", &gclk_clks[GCLK_USIBU2_SCLK]),
		CLKDEV_DEV_ID("serial8250-em.3", &gclk_clks[GCLK_USIBU3_SCLK]),
		CLKDEV_DEV_ID("e1050000.uart", &gclk_clks[GCLK_USIBU3_SCLK]),
		CLKDEV_DEV_ID("em_sti.0", &gclk_clks[GCLK_STI_SCLK]),
		CLKDEV_DEV_ID("e0180000.sti", &gclk_clks[GCLK_STI_SCLK]),
		};

		void __init emev2_clock_init(void)

arch/arm/mach-shmobile/setup-emev2.c

+46 −1

Original line number	Diff line number	Diff line
		@@ -22,9 +22,11 @@
		#include <linux/irq.h>
		#include <linux/platform_device.h>
		#include <linux/platform_data/gpio-em.h>
		#include <linux/of_platform.h>
		#include <linux/delay.h>
		#include <linux/input.h>
		#include <linux/io.h>
		#include <linux/of_irq.h>
		#include <mach/hardware.h>
		#include <mach/common.h>
		#include <mach/emev2.h>
		@@ -381,9 +383,14 @@ void __init emev2_add_standard_devices(void)
		ARRAY_SIZE(emev2_late_devices));
		}

		void __init emev2_add_early_devices(void)
		void __init emev2_init_delay(void)
		{
		shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */
		}

		void __init emev2_add_early_devices(void)
		{
		emev2_init_delay();

		early_platform_add_devices(emev2_early_devices,
		ARRAY_SIZE(emev2_early_devices));
		@@ -405,3 +412,41 @@ void __init emev2_init_irq(void)
		/* Use GIC to handle interrupts */
		gic_init(0, 29, gic_dist_base, gic_cpu_base);
		}

		#ifdef CONFIG_USE_OF
		static const struct of_dev_auxdata emev2_auxdata_lookup[] __initconst = {
		{ }
		};

		void __init emev2_add_standard_devices_dt(void)
		{
		of_platform_populate(NULL, of_default_bus_match_table,
		emev2_auxdata_lookup, NULL);
		}

		static const struct of_device_id emev2_dt_irq_match[] = {
		{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
		{},
		};

		static const char *emev2_boards_compat_dt[] __initdata = {
		"renesas,emev2",
		NULL,
		};

		void __init emev2_init_irq_dt(void)
		{
		of_irq_init(emev2_dt_irq_match);
		}

		DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
		.init_early = emev2_init_delay,
		.nr_irqs = NR_IRQS_LEGACY,
		.init_irq = emev2_init_irq_dt,
		.handle_irq = gic_handle_irq,
		.init_machine = emev2_add_standard_devices_dt,
		.timer = &shmobile_timer,
		.dt_compat = emev2_boards_compat_dt,
		MACHINE_END

		#endif /* CONFIG_USE_OF */

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