Merge branch 'clk-renesas' into clk-next

* clk-renesas: clk: renesas: rzg2: Mark RWDT clocks as critical clk: renesas: rcar-gen3: Mark RWDT clocks as critical clk: renesas: cpg-mssr: Mark clocks as critical only if on at boot dt-bindings: clock: renesas: cpg: Convert to json-schema

Merge branch 'clk-renesas' into clk-next
* clk-renesas: clk: renesas: rzg2: Mark RWDT clocks as critical clk: renesas: rcar-gen3: Mark RWDT clocks as critical clk: renesas: cpg-mssr: Mark clocks as critical only if on at boot dt-bindings: clock: renesas: cpg: Convert to json-schema
df5b333e · Stephen Boyd · 2a05eaa7 · ef14fffe · df5b333e · 2a05eaa7
Commit df5b333e authored Jul 10, 2020 by Stephen Boyd
18 changed files
--- a/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
+++ b/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/renesas,cpg-clocks.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+title: Renesas Clock Pulse Generator (CPG)
+maintainers:
+  - Geert Uytterhoeven <geert+renesas@glider.be>
+description:
+  The Clock Pulse Generator (CPG) generates core clocks for the SoC.  It
+  includes PLLs, and fixed and variable ratio dividers.
+  The CPG may also provide a Clock Domain for SoC devices, in combination with
+  the CPG Module Stop (MSTP) Clocks.
+properties:
+  compatible:
+    oneOf:
+      - const: renesas,r8a73a4-cpg-clocks # R-Mobile APE6
+      - const: renesas,r8a7740-cpg-clocks # R-Mobile A1
+      - const: renesas,r8a7778-cpg-clocks # R-Car M1
+      - const: renesas,r8a7779-cpg-clocks # R-Car H1
+      - items:
+        - enum:
+            - renesas,r7s72100-cpg-clocks # RZ/A1H
+        - const: renesas,rz-cpg-clocks    # RZ/A1
+      - const: renesas,sh73a0-cpg-clocks  # SH-Mobile AG5
+  reg:
+    maxItems: 1
+  clocks: true
+  '#clock-cells':
+    const: 1
+  clock-output-names: true
+  renesas,mode:
+    description: Board-specific settings of the MD_CK* bits on R-Mobile A1
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 7
+  '#power-domain-cells':
+    const: 0
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#clock-cells'
+  - clock-output-names
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r8a73a4-cpg-clocks
+    then:
+      properties:
+        clocks:
+          items:
+            - description: extal1
+            - description: extal2
+        clock-output-names:
+          items:
+            - const: main
+            - const: pll0
+            - const: pll1
+            - const: pll2
+            - const: pll2s
+            - const: pll2h
+            - const: z
+            - const: z2
+            - const: i
+            - const: m3
+            - const: b
+            - const: m1
+            - const: m2
+            - const: zx
+            - const: zs
+            - const: hp
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r8a7740-cpg-clocks
+    then:
+      properties:
+        clocks:
+          items:
+            - description: extal1
+            - description: extal2
+            - description: extalr
+        clock-output-names:
+          items:
+            - const: system
+            - const: pllc0
+            - const: pllc1
+            - const: pllc2
+            - const: r
+            - const: usb24s
+            - const: i
+            - const: zg
+            - const: b
+            - const: m1
+            - const: hp
+            - const: hpp
+            - const: usbp
+            - const: s
+            - const: zb
+            - const: m3
+            - const: cp
+      required:
+        - renesas,mode
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r8a7778-cpg-clocks
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+        clock-output-names:
+          items:
+            - const: plla
+            - const: pllb
+            - const: b
+            - const: out
+            - const: p
+            - const: s
+            - const: s1
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r8a7779-cpg-clocks
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+        clock-output-names:
+          items:
+            - const: plla
+            - const: z
+            - const: zs
+            - const: s
+            - const: s1
+            - const: p
+            - const: b
+            - const: out
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r7s72100-cpg-clocks
+    then:
+      properties:
+        clocks:
+          items:
+            - description: extal1
+            - description: usb_x1
+        clock-output-names:
+          items:
+            - const: pll
+            - const: i
+            - const: g
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,sh73a0-cpg-clocks
+    then:
+      properties:
+        clocks:
+          items:
+            - description: extal1
+            - description: extal2
+        clock-output-names:
+          items:
+            - const: main
+            - const: pll0
+            - const: pll1
+            - const: pll2
+            - const: pll3
+            - const: dsi0phy
+            - const: dsi1phy
+            - const: zg
+            - const: m3
+            - const: b
+            - const: m1
+            - const: m2
+            - const: z
+            - const: zx
+            - const: hp
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,r8a7778-cpg-clocks
+              - renesas,r8a7779-cpg-clocks
+              - renesas,rz-cpg-clocks
+    then:
+      required:
+        - '#power-domain-cells'
+additionalProperties: false
+examples:
+  - |
+    #include <dt-bindings/clock/r8a7740-clock.h>
+    cpg_clocks: cpg_clocks@e6150000 {
+            compatible = "renesas,r8a7740-cpg-clocks";
+            reg = <0xe6150000 0x10000>;
+            clocks = <&extal1_clk>, <&extal2_clk>, <&extalr_clk>;
+            #clock-cells = <1>;
+            clock-output-names = "system", "pllc0", "pllc1", "pllc2", "r",
+                                 "usb24s", "i", "zg", "b", "m1", "hp", "hpp",
+                                 "usbp", "s", "zb", "m3", "cp";
+            renesas,mode = <0x05>;
+    };
--- a/Documentation/devicetree/bindings/clock/renesas,r8a73a4-cpg-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,r8a73a4-cpg-clocks.txt
-* Renesas R8A73A4 Clock Pulse Generator (CPG)
-The CPG generates core clocks for the R8A73A4 SoC. It includes five PLLs
-and several fixed ratio dividers.
-Required Properties:
-  - compatible: Must be "renesas,r8a73a4-cpg-clocks"
-  - reg: Base address and length of the memory resource used by the CPG
-  - clocks: Reference to the parent clocks ("extal1" and "extal2")
-  - #clock-cells: Must be 1
-  - clock-output-names: The names of the clocks. Supported clocks are "main",
-    "pll0", "pll1", "pll2", "pll2s", "pll2h", "z", "z2", "i", "m3", "b",
-    "m1", "m2", "zx", "zs", and "hp".
-Example
-------
-        cpg_clocks: cpg_clocks@e6150000 {
-                compatible = "renesas,r8a73a4-cpg-clocks";
-                reg = <0 0xe6150000 0 0x10000>;
-                clocks = <&extal1_clk>, <&extal2_clk>;
-                #clock-cells = <1>;
-                clock-output-names = "main", "pll0", "pll1", "pll2",
-                                     "pll2s", "pll2h", "z", "z2",
-                                     "i", "m3", "b", "m1", "m2",
-                                     "zx", "zs", "hp";
-        };
--- a/Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt
-These bindings should be considered EXPERIMENTAL for now.
-* Renesas R8A7740  Clock Pulse Generator (CPG)
-The CPG generates core clocks for the R8A7740 SoC. It includes three PLLs
-and several fixed ratio and variable ratio dividers.
-Required Properties:
-  - compatible: Must be "renesas,r8a7740-cpg-clocks"
-  - reg: Base address and length of the memory resource used by the CPG
-  - clocks: Reference to the three parent clocks
-  - #clock-cells: Must be 1
-  - clock-output-names: The names of the clocks. Supported clocks are
-    "system", "pllc0", "pllc1", "pllc2", "r", "usb24s", "i", "zg", "b",
-    "m1", "hp", "hpp", "usbp", "s", "zb", "m3", and "cp".
-  - renesas,mode: board-specific settings of the MD_CK* bits
-Example
-------
-cpg_clocks: cpg_clocks@e6150000 {
-        compatible = "renesas,r8a7740-cpg-clocks";
-        reg = <0xe6150000 0x10000>;
-        clocks = <&extal1_clk>, <&extal2_clk>, <&extalr_clk>;
-        #clock-cells = <1>;
-        clock-output-names = "system", "pllc0", "pllc1",
-                             "pllc2", "r",
-                             "usb24s",
-                             "i", "zg", "b", "m1", "hp",
-                             "hpp", "usbp", "s", "zb", "m3",
-                             "cp";
-};
-&cpg_clocks {
-	renesas,mode = <0x05>;
-};
--- a/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,r8a7778-cpg-clocks.txt
-* Renesas R8A7778 Clock Pulse Generator (CPG)
-The CPG generates core clocks for the R8A7778. It includes two PLLs and
-several fixed ratio dividers.
-The CPG also provides a Clock Domain for SoC devices, in combination with the
-CPG Module Stop (MSTP) Clocks.
-Required Properties:
-  - compatible: Must be "renesas,r8a7778-cpg-clocks"
-  - reg: Base address and length of the memory resource used by the CPG
-  - #clock-cells: Must be 1
-  - clock-output-names: The names of the clocks. Supported clocks are
-    "plla", "pllb", "b", "out", "p", "s", and "s1".
-  - #power-domain-cells: Must be 0
-SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed
-through an MSTP clock should refer to the CPG device node in their
-"power-domains" property, as documented by the generic PM domain bindings in
-Documentation/devicetree/bindings/power/power_domain.txt.
-Examples
--------
-  - CPG device node:
-	cpg_clocks: cpg_clocks@ffc80000 {
-		compatible = "renesas,r8a7778-cpg-clocks";
-		reg = <0xffc80000 0x80>;
-		#clock-cells = <1>;
-		clocks = <&extal_clk>;
-		clock-output-names = "plla", "pllb", "b",
-				     "out", "p", "s", "s1";
-		#power-domain-cells = <0>;
-	};
-  - CPG/MSTP Clock Domain member device node:
-	sdhi0: sd@ffe4c000 {
-		compatible = "renesas,sdhi-r8a7778";
-		reg = <0xffe4c000 0x100>;
-		interrupts = <0 87 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&mstp3_clks R8A7778_CLK_SDHI0>;
-		power-domains = <&cpg_clocks>;
-	};
--- a/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,r8a7779-cpg-clocks.txt
-* Renesas R8A7779 Clock Pulse Generator (CPG)
-The CPG generates core clocks for the R8A7779. It includes one PLL and
-several fixed ratio dividers.
-The CPG also provides a Clock Domain for SoC devices, in combination with the
-CPG Module Stop (MSTP) Clocks.
-Required Properties:
-  - compatible: Must be "renesas,r8a7779-cpg-clocks"
-  - reg: Base address and length of the memory resource used by the CPG
-  - clocks: Reference to the parent clock
-  - #clock-cells: Must be 1
-  - clock-output-names: The names of the clocks. Supported clocks are "plla",
-    "z", "zs", "s", "s1", "p", "b", "out".
-  - #power-domain-cells: Must be 0
-SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed
-through an MSTP clock should refer to the CPG device node in their
-"power-domains" property, as documented by the generic PM domain bindings in
-Documentation/devicetree/bindings/power/power_domain.txt.
-Examples
--------
-  - CPG device node:
-	cpg_clocks: cpg_clocks@ffc80000 {
-		compatible = "renesas,r8a7779-cpg-clocks";
-		reg = <0xffc80000 0x30>;
-		clocks = <&extal_clk>;
-		#clock-cells = <1>;
-		clock-output-names = "plla", "z", "zs", "s", "s1", "p",
-		                     "b", "out";
-		#power-domain-cells = <0>;
-	};
-  - CPG/MSTP Clock Domain member device node:
-	sata: sata@fc600000 {
-		compatible = "renesas,sata-r8a7779", "renesas,rcar-sata";
-		reg = <0xfc600000 0x2000>;
-		interrupts = <0 100 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&mstp1_clks R8A7779_CLK_SATA>;
-		power-domains = <&cpg_clocks>;
-	};
--- a/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,rz-cpg-clocks.txt
-* Renesas RZ/A1 Clock Pulse Generator (CPG)
-The CPG generates core clocks for the RZ/A1 SoCs. It includes the PLL, variable
-CPU and GPU clocks, and several fixed ratio dividers.
-The CPG also provides a Clock Domain for SoC devices, in combination with the
-CPG Module Stop (MSTP) Clocks.
-Required Properties:
-  - compatible: Must be one of
-    - "renesas,r7s72100-cpg-clocks" for the r7s72100 CPG
-    and "renesas,rz-cpg-clocks" as a fallback.
-  - reg: Base address and length of the memory resource used by the CPG
-  - clocks: References to possible parent clocks. Order must match clock modes
-    in the datasheet. For the r7s72100, this is extal, usb_x1.
-  - #clock-cells: Must be 1
-  - clock-output-names: The names of the clocks. Supported clocks are "pll",
-    "i", and "g"
-  - #power-domain-cells: Must be 0
-SoC devices that are part of the CPG/MSTP Clock Domain and can be power-managed
-through an MSTP clock should refer to the CPG device node in their
-"power-domains" property, as documented by the generic PM domain bindings in
-Documentation/devicetree/bindings/power/power_domain.txt.
-Examples
--------
-  - CPG device node:
-	cpg_clocks: cpg_clocks@fcfe0000 {
-		#clock-cells = <1>;
-		compatible = "renesas,r7s72100-cpg-clocks",
-			     "renesas,rz-cpg-clocks";
-		reg = <0xfcfe0000 0x18>;
-		clocks = <&extal_clk>, <&usb_x1_clk>;
-		clock-output-names = "pll", "i", "g";
-		#power-domain-cells = <0>;
-	};
-  - CPG/MSTP Clock Domain member device node:
-	mtu2: timer@fcff0000 {
-		compatible = "renesas,mtu2-r7s72100", "renesas,mtu2";
-		reg = <0xfcff0000 0x400>;
-		interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-names = "tgi0a";
-		clocks = <&mstp3_clks R7S72100_CLK_MTU2>;
-		clock-names = "fck";
-		power-domains = <&cpg_clocks>;
-	};
--- a/Documentation/devicetree/bindings/clock/renesas,sh73a0-cpg-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,sh73a0-cpg-clocks.txt
-These bindings should be considered EXPERIMENTAL for now.
-* Renesas SH73A0 Clock Pulse Generator (CPG)
-The CPG generates core clocks for the SH73A0 SoC. It includes four PLLs
-and several fixed ratio dividers.
-Required Properties:
-  - compatible: Must be "renesas,sh73a0-cpg-clocks"
-  - reg: Base address and length of the memory resource used by the CPG
-  - clocks: Reference to the parent clocks ("extal1" and "extal2")
-  - #clock-cells: Must be 1
-  - clock-output-names: The names of the clocks. Supported clocks are "main",
-    "pll0", "pll1", "pll2", "pll3", "dsi0phy", "dsi1phy", "zg", "m3", "b",
-    "m1", "m2", "z", "zx", and "hp".
-Example
-------
-        cpg_clocks: cpg_clocks@e6150000 {
-                compatible = "renesas,sh73a0-cpg-clocks";
-                reg = <0 0xe6150000 0 0x10000>;
-                clocks = <&extal1_clk>, <&extal2_clk>;
-                #clock-cells = <1>;
-                clock-output-names = "main", "pll0", "pll1", "pll2",
-                                     "pll3", "dsi0phy", "dsi1phy",
-                                     "zg", "m3", "b", "m1", "m2",
-                                     "z", "zx", "hp";
-        };
--- a/drivers/clk/renesas/r8a774a1-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a774a1-cpg-mssr.c
@@ -237,6 +237,7 @@ static const struct mssr_mod_clk r8a774a1_mod_clks[] __initconst = {
 };
 static const unsigned int r8a774a1_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };

--- a/drivers/clk/renesas/r8a774b1-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a774b1-cpg-mssr.c
@@ -233,6 +233,7 @@ static const struct mssr_mod_clk r8a774b1_mod_clks[] __initconst = {
 };
 static const unsigned int r8a774b1_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };

--- a/drivers/clk/renesas/r8a774c0-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a774c0-cpg-mssr.c
@@ -238,6 +238,7 @@ static const struct mssr_mod_clk r8a774c0_mod_clks[] __initconst = {
 };
 static const unsigned int r8a774c0_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };

--- a/drivers/clk/renesas/r8a7795-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c
@@ -287,10 +287,10 @@ static struct mssr_mod_clk r8a7795_mod_clks[] __initdata = {
 };
 static const unsigned int r8a7795_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };
 /*
 * CPG Clock Data
 */

--- a/drivers/clk/renesas/r8a7796-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c
@@ -262,10 +262,10 @@ static struct mssr_mod_clk r8a7796_mod_clks[] __initdata = {
 };
 static const unsigned int r8a7796_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };
 /*
 * CPG Clock Data
 */

--- a/drivers/clk/renesas/r8a77965-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c
@@ -263,6 +263,7 @@ static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = {
 };
 static const unsigned int r8a77965_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };

--- a/drivers/clk/renesas/r8a77970-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77970-cpg-mssr.c
@@ -165,10 +165,10 @@ static const struct mssr_mod_clk r8a77970_mod_clks[] __initconst = {
 };
 static const unsigned int r8a77970_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };
 /*
 * CPG Clock Data
 */

--- a/drivers/clk/renesas/r8a77980-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77980-cpg-mssr.c
@@ -180,10 +180,10 @@ static const struct mssr_mod_clk r8a77980_mod_clks[] __initconst = {
 };
 static const unsigned int r8a77980_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };
 /*
 * CPG Clock Data
 */

--- a/drivers/clk/renesas/r8a77990-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77990-cpg-mssr.c
@@ -245,6 +245,7 @@ static const struct mssr_mod_clk r8a77990_mod_clks[] __initconst = {
 };
 static const unsigned int r8a77990_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };

--- a/drivers/clk/renesas/r8a77995-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77995-cpg-mssr.c
@@ -183,10 +183,10 @@ static const struct mssr_mod_clk r8a77995_mod_clks[] __initconst = {
 };
 static const unsigned int r8a77995_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(402),	/* RWDT */
 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
 };
 /*
 * CPG Clock Data
 */

--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -416,14 +416,6 @@ static void __init cpg_mssr_register_mod_clk(const struct mssr_mod_clk *mod,
 	init.name = mod->name;
 	init.ops = &cpg_mstp_clock_ops;
 	init.flags = CLK_SET_RATE_PARENT;
-	for (i = 0; i < info->num_crit_mod_clks; i++)
-		if (id == info->crit_mod_clks[i]) {
-			dev_dbg(dev, "MSTP %s setting CLK_IS_CRITICAL\n",
-				mod->name);
-			init.flags |= CLK_IS_CRITICAL;
-			break;
-		}
 	parent_name = __clk_get_name(parent);
 	init.parent_names = &parent_name;
 	init.num_parents = 1;
@@ -432,6 +424,15 @@ static void __init cpg_mssr_register_mod_clk(const struct mssr_mod_clk *mod,
 	clock->priv = priv;
 	clock->hw.init = &init;
+	for (i = 0; i < info->num_crit_mod_clks; i++)
+		if (id == info->crit_mod_clks[i] &&
+		    cpg_mstp_clock_is_enabled(&clock->hw)) {
+			dev_dbg(dev, "MSTP %s setting CLK_IS_CRITICAL\n",
+				mod->name);
+			init.flags |= CLK_IS_CRITICAL;
+			break;
+		}
 	clk = clk_register(NULL, &clock->hw);
 	if (IS_ERR(clk))
 		goto fail;