From: Biju Das <biju.das.jz@bp.renesas.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: "Biju Das" <biju.das.jz@bp.renesas.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Magnus Damm" <magnus.damm@gmail.com>,
linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
"Fabrizio Castro" <fabrizio.castro.jz@renesas.com>,
linux-renesas-soc@vger.kernel.org,
"Prabhakar Mahadev Lad" <prabhakar.mahadev-lad.rj@bp.renesas.com>,
"Rob Herring" <robh@kernel.org>
Subject: [PATCH v17 1/4] dt-bindings: pwm: Add RZ/G2L GPT binding
Date: Mon, 20 Nov 2023 11:33:04 +0000 [thread overview]
Message-ID: <20231120113307.80710-2-biju.das.jz@bp.renesas.com> (raw)
In-Reply-To: <20231120113307.80710-1-biju.das.jz@bp.renesas.com>
Add device tree bindings for the General PWM Timer (GPT).
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
v16->v17:
* No change.
v15->v16:
* No change.
v14->v15:
* No change.
v13->v14:
* No change.
v12->v13:
* No change.
v11->v12:
* No change.
v10->v11:
* No change.
v9->v10:
* Updated the example gpt4: pwm@10048400-> gpt: pwm@10048000
* Keep Rb tag from Rob as the above change is trivial one.
v8->v9:
* Added Rb tag from Rob.
v7->v8:
* Removed Rb tags from Rob and Geert as it modelled as single GPT
device handling multiple channels.
* Updated description
* Updated interrupts and interrupt-names properties
* Updated example
v6->v7:
* No change.
v5->v6:
* No change.
v4->v5:
* No change.
v3->v4:
* No change.
v2->v3:
* Added Rb tag from Rob.
v1->v2:
* Added '|' after 'description:' to preserve formatting.
* Removed description for pwm_cells as it is common property.
* Changed the reg size in example from 0xa4->0x100
* Added Rb tag from Geert.
RFC->v1:
* Added Description
* Removed comments from reg and clock
---
.../bindings/pwm/renesas,rzg2l-gpt.yaml | 378 ++++++++++++++++++
1 file changed, 378 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml
diff --git a/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml b/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml
new file mode 100644
index 000000000000..620d5ae4ae30
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml
@@ -0,0 +1,378 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/renesas,rzg2l-gpt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/G2L General PWM Timer (GPT)
+
+maintainers:
+ - Biju Das <biju.das.jz@bp.renesas.com>
+
+description: |
+ RZ/G2L General PWM Timer (GPT) composed of 8 channels with 32-bit timer
+ (GPT32E). It supports the following functions
+ * 32 bits × 8 channels.
+ * Up-counting or down-counting (saw waves) or up/down-counting
+ (triangle waves) for each counter.
+ * Clock sources independently selectable for each channel.
+ * Two I/O pins per channel.
+ * Two output compare/input capture registers per channel.
+ * For the two output compare/input capture registers of each channel,
+ four registers are provided as buffer registers and are capable of
+ operating as comparison registers when buffering is not in use.
+ * In output compare operation, buffer switching can be at crests or
+ troughs, enabling the generation of laterally asymmetric PWM waveforms.
+ * Registers for setting up frame cycles in each channel (with capability
+ for generating interrupts at overflow or underflow)
+ * Generation of dead times in PWM operation.
+ * Synchronous starting, stopping and clearing counters for arbitrary
+ channels.
+ * Starting, stopping, clearing and up/down counters in response to input
+ level comparison.
+ * Starting, clearing, stopping and up/down counters in response to a
+ maximum of four external triggers.
+ * Output pin disable function by dead time error and detected
+ short-circuits between output pins.
+ * A/D converter start triggers can be generated (GPT32E0 to GPT32E3)
+ * Enables the noise filter for input capture and external trigger
+ operation.
+
+ The below pwm channels are supported.
+ pwm0 - GPT32E0.GTIOC0A channel
+ pwm1 - GPT32E0.GTIOC0B channel
+ pwm2 - GPT32E1.GTIOC1A channel
+ pwm3 - GPT32E1.GTIOC1B channel
+ pwm4 - GPT32E2.GTIOC2A channel
+ pwm5 - GPT32E2.GTIOC2B channel
+ pwm6 - GPT32E3.GTIOC3A channel
+ pwm7 - GPT32E3.GTIOC3B channel
+ pwm8 - GPT32E4.GTIOC4A channel
+ pwm9 - GPT32E4.GTIOC4B channel
+ pwm10 - GPT32E5.GTIOC5A channel
+ pwm11 - GPT32E5.GTIOC5B channel
+ pwm12 - GPT32E6.GTIOC6A channel
+ pwm13 - GPT32E6.GTIOC6B channel
+ pwm14 - GPT32E7.GTIOC7A channel
+ pwm15 - GPT32E7.GTIOC7B channel
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - renesas,r9a07g044-gpt # RZ/G2{L,LC}
+ - renesas,r9a07g054-gpt # RZ/V2L
+ - const: renesas,rzg2l-gpt
+
+ reg:
+ maxItems: 1
+
+ '#pwm-cells':
+ const: 2
+
+ interrupts:
+ items:
+ - description: GPT32E0.GTCCRA input capture/compare match
+ - description: GPT32E0.GTCCRB input capture/compare
+ - description: GPT32E0.GTCCRC compare match
+ - description: GPT32E0.GTCCRD compare match
+ - description: GPT32E0.GTCCRE compare match
+ - description: GPT32E0.GTCCRF compare match
+ - description: GPT32E0.GTADTRA compare match
+ - description: GPT32E0.GTADTRB compare match
+ - description: GPT32E0.GTCNT overflow/GTPR compare match
+ - description: GPT32E0.GTCNT underflow
+ - description: GPT32E1.GTCCRA input capture/compare match
+ - description: GPT32E1.GTCCRB input capture/compare
+ - description: GPT32E1.GTCCRC compare match
+ - description: GPT32E1.GTCCRD compare match
+ - description: GPT32E1.GTCCRE compare match
+ - description: GPT32E1.GTCCRF compare match
+ - description: GPT32E1.GTADTRA compare match
+ - description: GPT32E1.GTADTRB compare match
+ - description: GPT32E1.GTCNT overflow/GTPR compare match
+ - description: GPT32E1.GTCNT underflow
+ - description: GPT32E2.GTCCRA input capture/compare match
+ - description: GPT32E2.GTCCRB input capture/compare
+ - description: GPT32E2.GTCCRC compare match
+ - description: GPT32E2.GTCCRD compare match
+ - description: GPT32E2.GTCCRE compare match
+ - description: GPT32E2.GTCCRF compare match
+ - description: GPT32E2.GTADTRA compare match
+ - description: GPT32E2.GTADTRB compare match
+ - description: GPT32E2.GTCNT overflow/GTPR compare match
+ - description: GPT32E2.GTCNT underflow
+ - description: GPT32E3.GTCCRA input capture/compare match
+ - description: GPT32E3.GTCCRB input capture/compare
+ - description: GPT32E3.GTCCRC compare match
+ - description: GPT32E3.GTCCRD compare match
+ - description: GPT32E3.GTCCRE compare match
+ - description: GPT32E3.GTCCRF compare match
+ - description: GPT32E3.GTADTRA compare match
+ - description: GPT32E3.GTADTRB compare match
+ - description: GPT32E3.GTCNT overflow/GTPR compare match
+ - description: GPT32E3.GTCNT underflow
+ - description: GPT32E4.GTCCRA input capture/compare match
+ - description: GPT32E4.GTCCRB input capture/compare
+ - description: GPT32E4.GTCCRC compare match
+ - description: GPT32E4.GTCCRD compare match
+ - description: GPT32E4.GTCCRE compare match
+ - description: GPT32E4.GTCCRF compare match
+ - description: GPT32E4.GTADTRA compare match
+ - description: GPT32E4.GTADTRB compare match
+ - description: GPT32E4.GTCNT overflow/GTPR compare match
+ - description: GPT32E4.GTCNT underflow
+ - description: GPT32E5.GTCCRA input capture/compare match
+ - description: GPT32E5.GTCCRB input capture/compare
+ - description: GPT32E5.GTCCRC compare match
+ - description: GPT32E5.GTCCRD compare match
+ - description: GPT32E5.GTCCRE compare match
+ - description: GPT32E5.GTCCRF compare match
+ - description: GPT32E5.GTADTRA compare match
+ - description: GPT32E5.GTADTRB compare match
+ - description: GPT32E5.GTCNT overflow/GTPR compare match
+ - description: GPT32E5.GTCNT underflow
+ - description: GPT32E6.GTCCRA input capture/compare match
+ - description: GPT32E6.GTCCRB input capture/compare
+ - description: GPT32E6.GTCCRC compare match
+ - description: GPT32E6.GTCCRD compare match
+ - description: GPT32E6.GTCCRE compare match
+ - description: GPT32E6.GTCCRF compare match
+ - description: GPT32E6.GTADTRA compare match
+ - description: GPT32E6.GTADTRB compare match
+ - description: GPT32E6.GTCNT overflow/GTPR compare match
+ - description: GPT32E6.GTCNT underflow
+ - description: GPT32E7.GTCCRA input capture/compare match
+ - description: GPT32E7.GTCCRB input capture/compare
+ - description: GPT32E7.GTCCRC compare match
+ - description: GPT32E7.GTCCRD compare match
+ - description: GPT32E7.GTCCRE compare match
+ - description: GPT32E7.GTCCRF compare match
+ - description: GPT32E7.GTADTRA compare match
+ - description: GPT32E7.GTADTRB compare match
+ - description: GPT32E7.GTCNT overflow/GTPR compare match
+ - description: GPT32E7.GTCNT underflow
+
+ interrupt-names:
+ items:
+ - const: ccmpa0
+ - const: ccmpb0
+ - const: cmpc0
+ - const: cmpd0
+ - const: cmpe0
+ - const: cmpf0
+ - const: adtrga0
+ - const: adtrgb0
+ - const: ovf0
+ - const: unf0
+ - const: ccmpa1
+ - const: ccmpb1
+ - const: cmpc1
+ - const: cmpd1
+ - const: cmpe1
+ - const: cmpf1
+ - const: adtrga1
+ - const: adtrgb1
+ - const: ovf1
+ - const: unf1
+ - const: ccmpa2
+ - const: ccmpb2
+ - const: cmpc2
+ - const: cmpd2
+ - const: cmpe2
+ - const: cmpf2
+ - const: adtrga2
+ - const: adtrgb2
+ - const: ovf2
+ - const: unf2
+ - const: ccmpa3
+ - const: ccmpb3
+ - const: cmpc3
+ - const: cmpd3
+ - const: cmpe3
+ - const: cmpf3
+ - const: adtrga3
+ - const: adtrgb3
+ - const: ovf3
+ - const: unf3
+ - const: ccmpa4
+ - const: ccmpb4
+ - const: cmpc4
+ - const: cmpd4
+ - const: cmpe4
+ - const: cmpf4
+ - const: adtrga4
+ - const: adtrgb4
+ - const: ovf4
+ - const: unf4
+ - const: ccmpa5
+ - const: ccmpb5
+ - const: cmpc5
+ - const: cmpd5
+ - const: cmpe5
+ - const: cmpf5
+ - const: adtrga5
+ - const: adtrgb5
+ - const: ovf5
+ - const: unf5
+ - const: ccmpa6
+ - const: ccmpb6
+ - const: cmpc6
+ - const: cmpd6
+ - const: cmpe6
+ - const: cmpf6
+ - const: adtrga6
+ - const: adtrgb6
+ - const: ovf6
+ - const: unf6
+ - const: ccmpa7
+ - const: ccmpb7
+ - const: cmpc7
+ - const: cmpd7
+ - const: cmpe7
+ - const: cmpf7
+ - const: adtrga7
+ - const: adtrgb7
+ - const: ovf7
+ - const: unf7
+
+ clocks:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+ - power-domains
+ - resets
+
+allOf:
+ - $ref: pwm.yaml#
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/r9a07g044-cpg.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ gpt: pwm@10048000 {
+ compatible = "renesas,r9a07g044-gpt", "renesas,rzg2l-gpt";
+ reg = <0x10048000 0x800>;
+ interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 219 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 220 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 221 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 222 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 223 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 224 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 225 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 226 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 227 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 231 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 232 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 233 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 234 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 235 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 236 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 237 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 238 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 239 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 240 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 244 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 245 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 246 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 248 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 249 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 250 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 251 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 252 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 253 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 257 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 258 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 259 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 260 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 261 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 262 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 263 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 265 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 266 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 270 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 271 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 272 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 273 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 274 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 275 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 276 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 277 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 278 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 279 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 283 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 284 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 285 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 286 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 287 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 288 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 289 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 290 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 291 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 292 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 296 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 297 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 298 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 299 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 300 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 301 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 302 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 303 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 304 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 305 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 309 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 310 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 311 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 312 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 313 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 314 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 315 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 316 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 317 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 318 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "ccmpa0", "ccmpb0", "cmpc0", "cmpd0",
+ "cmpe0", "cmpf0", "adtrga0", "adtrgb0",
+ "ovf0", "unf0",
+ "ccmpa1", "ccmpb1", "cmpc1", "cmpd1",
+ "cmpe1", "cmpf1", "adtrga1", "adtrgb1",
+ "ovf1", "unf1",
+ "ccmpa2", "ccmpb2", "cmpc2", "cmpd2",
+ "cmpe2", "cmpf2", "adtrga2", "adtrgb2",
+ "ovf2", "unf2",
+ "ccmpa3", "ccmpb3", "cmpc3", "cmpd3",
+ "cmpe3", "cmpf3", "adtrga3", "adtrgb3",
+ "ovf3", "unf3",
+ "ccmpa4", "ccmpb4", "cmpc4", "cmpd4",
+ "cmpe4", "cmpf4", "adtrga4", "adtrgb4",
+ "ovf4", "unf4",
+ "ccmpa5", "ccmpb5", "cmpc5", "cmpd5",
+ "cmpe5", "cmpf5", "adtrga5", "adtrgb5",
+ "ovf5", "unf5",
+ "ccmpa6", "ccmpb6", "cmpc6", "cmpd6",
+ "cmpe6", "cmpf6", "adtrga6", "adtrgb6",
+ "ovf6", "unf6",
+ "ccmpa7", "ccmpb7", "cmpc7", "cmpd7",
+ "cmpe7", "cmpf7", "adtrga7", "adtrgb7",
+ "ovf7", "unf7";
+ clocks = <&cpg CPG_MOD R9A07G044_GPT_PCLK>;
+ power-domains = <&cpg>;
+ resets = <&cpg R9A07G044_GPT_RST_C>;
+ #pwm-cells = <2>;
+ };
--
2.25.1
next prev parent reply other threads:[~2023-11-20 11:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-20 11:33 [PATCH v17 0/4] Add support for RZ/G2L GPT Biju Das
2023-11-20 11:33 ` Biju Das [this message]
2023-11-20 11:33 ` [PATCH v17 2/4] dt-bindings: pwm: rzg2l-gpt: Document renesas,poegs property Biju Das
2023-11-20 11:33 ` [PATCH v17 3/4] pwm: Add support for RZ/G2L GPT Biju Das
2023-12-04 14:55 ` Biju Das
2023-12-06 18:38 ` Uwe Kleine-König
2023-12-07 18:26 ` Biju Das
2023-12-07 21:41 ` Uwe Kleine-König
2023-12-08 10:34 ` Biju Das
2023-12-08 14:07 ` Uwe Kleine-König
2023-12-08 14:11 ` Biju Das
2023-12-13 9:06 ` Biju Das
2023-12-13 11:40 ` Uwe Kleine-König
2024-02-09 13:39 ` Biju Das
2024-02-20 16:04 ` Biju Das
2023-11-20 11:33 ` [PATCH v17 4/4] pwm: rzg2l-gpt: Add support for gpt linking with poeg Biju Das
2023-12-25 18:29 ` Uwe Kleine-König
2024-02-09 13:00 ` Biju Das
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