Provide NAND specific resources and platform data. Signed-off-by: Roger Quadros <rogerq@xxxxxx> --- arch/arm/mach-omap2/gpmc.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index c26ba3f..5563360 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1350,6 +1350,42 @@ static int gpmc_probe_dt(struct platform_device *pdev) } #endif +static int gpmc_nand_setup(struct platform_device *parent_pdev, + struct gpmc_omap_cs_data *cs) +{ + struct resource *res; + struct resource *res_gpmc; + + if (!cs->pdev) + return -EINVAL; + + res = cs->pdev->resource; + + if (cs->pdev->num_resources < 3) + return -EINVAL; + + if (resource_type(&res[1]) != IORESOURCE_MEM || + resource_type(&res[2]) != IORESOURCE_IRQ) + return -EINVAL; + + if (!cs->settings) + return -EINVAL; + + /* GPMC register space */ + res_gpmc = platform_get_resource(parent_pdev, IORESOURCE_MEM, 0); + if (!res_gpmc) + return -EINVAL; + + res[1] = *res_gpmc; + + /* setup IRQ resources */ + res[2].start = gpmc_irq; + + cs->settings->device_nand = true; + + return 0; +} + static void gpmc_probe_legacy(struct platform_device *pdev) { int i, rc; @@ -1401,6 +1437,15 @@ static void gpmc_probe_legacy(struct platform_device *pdev) /* FIXME: When do we need to call gpmc_cs_remap()? */ skip_mem: + /* Customized NAND setup */ + if (cs->is_nand) { + if (gpmc_nand_setup(pdev, cs)) { + dev_err(dev, "Error setting up NAND on CS %d\n", + i); + continue; + } + } + if (cs->settings) { if (gpmc_cs_program_settings(i, cs->settings)) { dev_err(dev, -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html