Without this, none of the devicetree devices in tegra-harmony.dts can map interrupts, and the system fails to boot.
Signed-off-by: Stephen Warren <[email protected]> --- v2: Add a Tegra-specific compatible value, search by that value, minor formatting fixes. arch/arm/boot/dts/tegra-harmony.dts | 3 +++ arch/arm/mach-tegra/board-dt.c | 14 ++++++++++++++ 2 files changed, 17 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts index 82fa0c2..a22c1bb 100644 --- a/arch/arm/boot/dts/tegra-harmony.dts +++ b/arch/arm/boot/dts/tegra-harmony.dts @@ -25,8 +25,11 @@ ranges; intc: intc { + compatible = "nvidia,tegra250-gic", "arm,gic"; interrupt-controller; #interrupt-cells = <1>; + reg = < 0x50041000 0x1000 + 0x50040100 0x100 >; }; }; diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c index 0efedb8..fb0d75d 100644 --- a/arch/arm/mach-tegra/board-dt.c +++ b/arch/arm/mach-tegra/board-dt.c @@ -22,7 +22,9 @@ #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_fdt.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/pda_power.h> #include <linux/io.h> @@ -137,8 +139,20 @@ static struct of_device_id tegra_dt_match_table[] __initdata = { {} }; +struct of_device_id gic_match[] __initdata = { + { .compatible = "nvidia,tegra250-gic", }, + {} +}; + static void __init tegra_dt_init(void) { + struct device_node *node; + + node = of_find_matching_node_by_address(NULL, gic_match, + TEGRA_ARM_INT_DIST_BASE); + if (node) + of_irq_domain_add_simple(node, INT_GIC_BASE, INT_MAIN_NR); + /* * Before registering devices; tell Linux about which device nodes * are intended to be registered so that it doesn't create devices -- 1.7.1 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
