[PATCH 5.10.y-cip 4/7] dt-bindings: power: renesas,rzg2l-sysc: Add DT binding documentation for SYSC controller


Lad Prabhakar
 

commit 972f67be8929ac095df6a8bbce738b4f39e984cb upstream.

Add DT binding documentation for SYSC controller found on
RZ/G2{L,LC,UL} SoC's.

SYSC block contains the LSI_DEVID register which is used to retrieve
SoC product information.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
Reviewed-by: Biju Das <biju.das.jz@...>
Link: https://lore.kernel.org/r/20210609163717.3083-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@...>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
---
.../bindings/power/renesas,rzg2l-sysc.yaml | 63 +++++++++++++++++++
1 file changed, 63 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/renesas,rzg2l-sysc.yaml

diff --git a/Documentation/devicetree/bindings/power/renesas,rzg2l-sysc.yaml b/Documentation/devicetree/bindings/power/renesas,rzg2l-sysc.yaml
new file mode 100644
index 000000000000..84ddc772b003
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/renesas,rzg2l-sysc.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/power/renesas,rzg2l-sysc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Renesas RZ/G2L System Controller (SYSC)
+
+maintainers:
+ - Geert Uytterhoeven <geert+renesas@...>
+
+description:
+ The RZ/G2L System Controller (SYSC) performs system control of the LSI and
+ supports following functions,
+ - External terminal state capture function
+ - 34-bit address space access function
+ - Low power consumption control
+ - WDT stop control
+
+properties:
+ compatible:
+ enum:
+ - renesas,r9a07g044-sysc # RZ/G2{L,LC}
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: CA55/CM33 Sleep/Software Standby Mode request interrupt
+ - description: CA55 Software Standby Mode release request interrupt
+ - description: CM33 Software Standby Mode release request interrupt
+ - description: CA55 ACE Asynchronous Bridge Master/Slave interface deny request interrupt
+
+ interrupt-names:
+ items:
+ - const: lpm_int
+ - const: ca55stbydone_int
+ - const: cm33stbyr_int
+ - const: ca55_deny
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ sysc: system-controller@11020000 {
+ compatible = "renesas,r9a07g044-sysc";
+ reg = <0x11020000 0x10000>;
+ interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "lpm_int", "ca55stbydone_int", "cm33stbyr_int",
+ "ca55_deny";
+ };
--
2.17.1

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