[PATCH v4 1/2] dt-bindings: spmi: document binding for the Mediatek SPMI controller

From: Hsin-Hsiung Wang
Date: Fri Oct 16 2020 - 12:10:53 EST


This adds documentation for the SPMI controller found on Mediatek SoCs.

Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@xxxxxxxxxxxx>
---
.../bindings/spmi/mtk,spmi-mtk-pmif.yaml | 70 +++++++++++++++++++
1 file changed, 70 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spmi/mtk,spmi-mtk-pmif.yaml

diff --git a/Documentation/devicetree/bindings/spmi/mtk,spmi-mtk-pmif.yaml b/Documentation/devicetree/bindings/spmi/mtk,spmi-mtk-pmif.yaml
new file mode 100644
index 000000000000..9945200a35b3
--- /dev/null
+++ b/Documentation/devicetree/bindings/spmi/mtk,spmi-mtk-pmif.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spmi/mtk,spmi-mtk-pmif.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek SPMI Controller Device Tree Bindings
+
+maintainers:
+ - Hsin-Hsiung Wang <hsin-hsiung.wang@xxxxxxxxxxxx>
+
+description: |+
+ On MediaTek SoCs the PMIC is connected via SPMI and the controller allows
+ for multiple SoCs to control a single SPMI master.
+
+properties:
+ compatible:
+ const: mediatek,mt6873-spmi
+
+ reg:
+ minItems: 2
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: "pmif"
+ - const: "spmimst"
+
+ clocks:
+ minItems: 3
+ maxItems: 3
+
+ clock-names:
+ items:
+ - const: "pmif_sys_ck"
+ - const: "pmif_tmr_ck"
+ - const: "spmimst_clk_mux"
+
+ assigned-clocks:
+ maxItems: 1
+
+ assigned-clock-parents:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt8192-clk.h>
+
+ spmi: spmi@10027000 {
+ compatible = "mediatek,mt6873-spmi";
+ reg = <0 0x10027000 0 0x000e00>,
+ <0 0x10029000 0 0x000100>;
+ reg-names = "pmif", "spmimst";
+ clocks = <&infracfg CLK_INFRA_PMIC_AP>,
+ <&infracfg CLK_INFRA_PMIC_TMR>,
+ <&topckgen CLK_TOP_SPMI_MST_SEL>;
+ clock-names = "pmif_sys_ck",
+ "pmif_tmr_ck",
+ "spmimst_clk_mux";
+ assigned-clocks = <&topckgen CLK_TOP_PWRAP_ULPOSC_SEL>;
+ assigned-clock-parents = <&topckgen CLK_TOP_OSC_D10>;
+ };
+...
--
2.18.0