reset: Add DesignWare IP support to simple reset

The reset-simple driver can be now used on DesignWare IPs by
default by selecting the following compatible strings:
 - snps,dw-high-reset for active high resets inputs
 - snps,dw-low-reset for active low resets inputs

Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Luis Oliveira <luis.oliveira@synopsys.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 21efb7d..6d5d76d 100644 (file)
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -118,7 +118,7 @@ config RESET_QCOM_PDC
 
 config RESET_SIMPLE
        bool "Simple Reset Controller Driver" if COMPILE_TEST
-       default ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX || ARCH_ASPEED || ARCH_BITMAIN
+       default ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX || ARCH_ASPEED || ARCH_BITMAIN || ARC
        help
          This enables a simple reset controller driver for reset lines that
          that can be asserted and deasserted by toggling bits in a contiguous,

diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c
index 1154f7b..067e7e7 100644 (file)
--- a/drivers/reset/reset-simple.c
+++ b/drivers/reset/reset-simple.c
@@ -127,6 +127,9 @@ static const struct of_device_id reset_simple_dt_ids[] = {
        { .compatible = "aspeed,ast2500-lpc-reset" },
        { .compatible = "bitmain,bm1880-reset",
                .data = &reset_simple_active_low },
+       { .compatible = "snps,dw-high-reset" },
+       { .compatible = "snps,dw-low-reset",
+               .data = &reset_simple_active_low },
        { /* sentinel */ },
 };