This adds platform data for the PRUSS reset on OMAP2+. This is following the pattern used by several other platform devices on these SoCs since there is not a proper reset controller.
Signed-off-by: David Lechner <[email protected]> --- arch/arm/mach-omap2/pdata-quirks.c | 9 +++++++++ include/linux/platform_data/ti-pruss.h | 18 ++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 include/linux/platform_data/ti-pruss.h diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 7f02743edbe4..8ea35d6cded5 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -25,6 +25,7 @@ #include <linux/platform_data/hsmmc-omap.h> #include <linux/platform_data/iommu-omap.h> #include <linux/platform_data/ti-sysc.h> +#include <linux/platform_data/ti-pruss.h> #include <linux/platform_data/wkup_m3.h> #include <linux/platform_data/asoc-ti-mcbsp.h> @@ -424,6 +425,12 @@ static struct wkup_m3_platform_data wkup_m3_data = { .assert_reset = omap_device_assert_hardreset, .deassert_reset = omap_device_deassert_hardreset, }; + +static struct ti_pruss_platform_data pruss_data = { + .reset_name = "pruss", + .assert_reset = omap_device_assert_hardreset, + .deassert_reset = omap_device_deassert_hardreset, +}; #endif #ifdef CONFIG_SOC_OMAP5 @@ -568,6 +575,8 @@ static struct of_dev_auxdata omap_auxdata_lookup[] = { #ifdef CONFIG_SOC_AM33XX OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3", &wkup_m3_data), + OF_DEV_AUXDATA("ti,am3352-pru-rproc", 0x4a300000, "4a300000.cpu", + &pruss_data), #endif #ifdef CONFIG_SOC_AM43XX OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3", diff --git a/include/linux/platform_data/ti-pruss.h b/include/linux/platform_data/ti-pruss.h new file mode 100644 index 000000000000..e401e621ebdf --- /dev/null +++ b/include/linux/platform_data/ti-pruss.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * TI PRU remote processor platform data + */ + +#ifndef _LINUX_PLATFORM_DATA_TI_PRU_H +#define _LINUX_PLATFORM_DATA_TI_PRU_H + +struct platform_device; + +struct ti_pruss_platform_data { + const char *reset_name; + + int (*assert_reset)(struct platform_device *pdev, const char *name); + int (*deassert_reset)(struct platform_device *pdev, const char *name); +}; + +#endif /* _LINUX_PLATFORM_DATA_TI_PRU_H */ -- 2.17.1
