On 16/01/18 03:11, Tony Lindgren wrote:
We can support the RSTCTRL reset registers on many TI SoCs with
reset-simple.

Cc: Dave Gerlach <d-gerl...@ti.com>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: Nishant Menon <n...@ti.com>
Cc: Philipp Zabel <p.za...@pengutronix.de>
Cc: Rob Herring <robh...@kernel.org>
Cc: Suman Anna <s-a...@ti.com>
Cc: Tero Kristo <t-kri...@ti.com>
Signed-off-by: Tony Lindgren <t...@atomide.com>
---

That's all there is to it :) Naturally this can wait for v4.17
if necessary.

Thats pretty neat. :)

-Tero


---
  .../devicetree/bindings/reset/ti-rstctrl.txt       | 29 ++++++++++++++++++++++
  drivers/reset/Kconfig                              |  2 +-
  drivers/reset/reset-simple.c                       |  1 +
  3 files changed, 31 insertions(+), 1 deletion(-)
  create mode 100644 Documentation/devicetree/bindings/reset/ti-rstctrl.txt

diff --git a/Documentation/devicetree/bindings/reset/ti-rstctrl.txt 
b/Documentation/devicetree/bindings/reset/ti-rstctrl.txt
new file mode 100644
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/ti-rstctrl.txt
@@ -0,0 +1,29 @@
+TI RSTCTRL Reset Controller
+
+Required properties:
+- compatible : "ti,rstctrl"
+- reg : Should contain 1 register ranges(address and length)
+- #reset-cells: 1
+
+Example:
+
+       prcm: prcm@200000 {
+               compatible = "ti,am3-prcm", "simple-bus";
+               reg = <0x200000 0x4000>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges = <0 0x200000 0x4000>;
+
+               prm_gfx: prm@1100 {
+                       compatible = "simple-bus";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges = <0 0x1100 0x100>;
+
+                       gfx_rstctrl: rstctrl@4 {
+                               reg = <0x4 0x4>;
+                               #reset-cells = <1>;
+                               compatible = "ti,rstctrl";
+                       };
+               };
+       };
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -83,7 +83,7 @@ config RESET_PISTACHIO
config RESET_SIMPLE
        bool "Simple Reset Controller Driver" if COMPILE_TEST
-       default ARCH_SOCFPGA || ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || 
ARCH_ZX
+       default ARCH_OMAP2PLUS || ARCH_SOCFPGA || ARCH_STM32 || ARCH_STRATIX10 
|| ARCH_SUNXI || ARCH_ZX
        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
--- a/drivers/reset/reset-simple.c
+++ b/drivers/reset/reset-simple.c
@@ -123,6 +123,7 @@ static const struct of_device_id reset_simple_dt_ids[] = {
        { .compatible = "st,stm32-rcc", },
        { .compatible = "allwinner,sun6i-a31-clock-reset",
                .data = &reset_simple_active_low },
+       { .compatible = "ti,rstctrl", },
        { .compatible = "zte,zx296718-reset",
                .data = &reset_simple_active_low },
        { /* sentinel */ },


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