system_ss.add(files('watchdog.c'))
system_ss.add(when: 'CONFIG_ALLWINNER_WDT', if_true: files('allwinner-wdt.c'))
system_ss.add(when: 'CONFIG_CMSDK_APB_WATCHDOG', if_true: files('cmsdk-apb-watchdog.c'))
system_ss.add(when: 'CONFIG_WDT_IB6300ESB', if_true: files('wdt_i6300esb.c'))
system_ss.add(when: 'CONFIG_WDT_IB700', if_true: files('wdt_ib700.c'))
system_ss.add(when: 'CONFIG_WDT_DIAG288', if_true: files('wdt_diag288.c'))
system_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('wdt_aspeed.c'))
system_ss.add(when: 'CONFIG_WDT_IMX2', if_true: files('wdt_imx2.c'))
system_ss.add(when: 'CONFIG_WDT_SBSA', if_true: files('sbsa_gwdt.c'))
specific_ss.add(when: 'CONFIG_PSERIES', if_true: files('spapr_watchdog.c'))