Add device-tree support for the l3-noc driver. Use platform_driver_register to defer the probing at device init time. Add documentation for the l3-noc bindings. Signed-off-by: Benoit Cousson <b-cousson@xxxxxx> Cc: Tony Lindgren <tony@xxxxxxxxxxx> Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx> --- .../devicetree/bindings/arm/omap/l3-noc.txt | 19 ++++++++++++++++ arch/arm/mach-omap2/omap_l3_noc.c | 23 +++++++++++++++---- 2 files changed, 37 insertions(+), 5 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/omap/l3-noc.txt diff --git a/Documentation/devicetree/bindings/arm/omap/l3-noc.txt b/Documentation/devicetree/bindings/arm/omap/l3-noc.txt new file mode 100644 index 0000000..6888a5e --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/l3-noc.txt @@ -0,0 +1,19 @@ +* TI - L3 Network On Chip (NoC) + +This version is an implementation of the generic NoC IP +provided by Arteris. + +Required properties: +- compatible : Should be "ti,omap3-l3-smx" for OMAP3 family + Should be "ti,omap4-l3-noc" for OMAP4 family +- ti,hwmods: "l3_main_1", ... One hwmod for each noc domain. + +Examples: + +ocp { + compatible = "ti,omap4-l3-noc", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; +}; diff --git a/arch/arm/mach-omap2/omap_l3_noc.c b/arch/arm/mach-omap2/omap_l3_noc.c index 7b9f190..d618c9d 100644 --- a/arch/arm/mach-omap2/omap_l3_noc.c +++ b/arch/arm/mach-omap2/omap_l3_noc.c @@ -120,7 +120,7 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) return IRQ_HANDLED; } -static int __init omap4_l3_probe(struct platform_device *pdev) +static int __devinit omap4_l3_probe(struct platform_device *pdev) { static struct omap4_l3 *l3; struct resource *res; @@ -214,7 +214,7 @@ err0: return ret; } -static int __exit omap4_l3_remove(struct platform_device *pdev) +static int __devexit omap4_l3_remove(struct platform_device *pdev) { struct omap4_l3 *l3 = platform_get_drvdata(pdev); @@ -228,16 +228,29 @@ static int __exit omap4_l3_remove(struct platform_device *pdev) return 0; } +#if defined(CONFIG_OF) +static const struct of_device_id l3_noc_match[] = { + {.compatible = "ti,omap4-l3-noc", }, + {}, +} +MODULE_DEVICE_TABLE(of, l3_noc_match); +#else +#define l3_noc_match NULL +#endif + static struct platform_driver omap4_l3_driver = { - .remove = __exit_p(omap4_l3_remove), + .probe = omap4_l3_probe, + .remove = __devexit_p(omap4_l3_remove), .driver = { - .name = "omap_l3_noc", + .name = "omap_l3_noc", + .owner = THIS_MODULE, + .of_match_table = l3_noc_match, }, }; static int __init omap4_l3_init(void) { - return platform_driver_probe(&omap4_l3_driver, omap4_l3_probe); + return platform_driver_register(&omap4_l3_driver); } postcore_initcall_sync(omap4_l3_init); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html