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Message-Id: <20231122-ep93xx-v5-6-d59a76d5df29@maquefel.me>
Date: Wed, 22 Nov 2023 11:59:44 +0300
From: Nikita Shubin via B4 Relay
<devnull+nikita.shubin.maquefel.me@...nel.org>
To: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Nikita Shubin <nikita.shubin@...uefel.me>,
Alexander Sverdlin <alexander.sverdlin@...il.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Alexander Sverdlin <alexander.sverdlin@...il.com>
Subject: [PATCH v5 06/39] dt-bindings: soc: Add Cirrus EP93xx
From: Nikita Shubin <nikita.shubin@...uefel.me>
Add device tree bindings for the Cirrus Logic EP93xx SoC.
Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
.../bindings/arm/cirrus/cirrus,ep9301.yaml | 38 ++++++++++
.../bindings/soc/cirrus/cirrus,ep9301-syscon.yaml | 83 ++++++++++++++++++++++
include/dt-bindings/soc/cirrus,ep9301-syscon.h | 46 ++++++++++++
3 files changed, 167 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/cirrus/cirrus,ep9301.yaml b/Documentation/devicetree/bindings/arm/cirrus/cirrus,ep9301.yaml
new file mode 100644
index 000000000000..97dd8b6aefa9
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/cirrus/cirrus,ep9301.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/cirrus/cirrus,ep9301.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic EP93xx platforms
+
+description:
+ The EP93xx SoC is a ARMv4T-based with 200 MHz ARM9 CPU.
+
+maintainers:
+ - Alexander Sverdlin <alexander.sverdlin@...il.com>
+ - Nikita Shubin <nikita.shubin@...uefel.me>
+
+properties:
+ $nodename:
+ const: '/'
+ compatible:
+ oneOf:
+ - description: The TS-7250 is a compact, full-featured Single Board Computer (SBC)
+ based upon the Cirrus EP9302 ARM9 CPU
+ items:
+ - const: technologic,ts7250
+ - const: cirrus,ep9301
+
+ - description: The Liebherr BK3 is a derivate from ts7250 board
+ items:
+ - const: liebherr,bk3
+ - const: cirrus,ep9301
+
+ - description: EDB302 is an evaluation board by Cirrus Logic,
+ based on a Cirrus Logic EP9302 CPU
+ items:
+ - const: cirrus,edb9302
+ - const: cirrus,ep9301
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/soc/cirrus/cirrus,ep9301-syscon.yaml b/Documentation/devicetree/bindings/soc/cirrus/cirrus,ep9301-syscon.yaml
new file mode 100644
index 000000000000..283cf2386d95
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/cirrus/cirrus,ep9301-syscon.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/cirrus/cirrus,ep9301-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic EP93xx Platforms System Controller
+
+maintainers:
+ - Alexander Sverdlin <alexander.sverdlin@...il.com>
+ - Nikita Shubin <nikita.shubin@...uefel.me>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - cirrus,ep9302-syscon
+ - cirrus,ep9307-syscon
+ - cirrus,ep9312-syscon
+ - cirrus,ep9315-syscon
+ - const: cirrus,ep9301-syscon
+ - const: syscon
+ - const: simple-mfd
+ - items:
+ - const: cirrus,ep9301-syscon
+ - const: syscon
+ - const: simple-mfd
+
+ reg:
+ maxItems: 1
+
+ "#clock-cells":
+ const: 1
+
+ clocks:
+ items:
+ - description: reference clock
+
+patternProperties:
+ '^pins-':
+ type: object
+ description: pin node
+ $ref: /schemas/pinctrl/pinmux-node.yaml
+
+ properties:
+ function:
+ enum: [ spi, ac97, i2s, pwm, keypad, pata, lcd, gpio ]
+
+ groups:
+ enum: [ ssp, ac97, i2s_on_ssp, i2s_on_ac97, pwm1, gpio1agrp,
+ gpio2agrp, gpio3agrp, gpio4agrp, gpio6agrp, gpio7agrp,
+ rasteronsdram0grp, rasteronsdram3grp, keypadgrp, idegrp ]
+
+ required:
+ - function
+ - groups
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - "#clock-cells"
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ syscon@...30000 {
+ compatible = "cirrus,ep9301-syscon",
+ "syscon", "simple-mfd";
+ reg = <0x80930000 0x1000>;
+
+ #clock-cells = <1>;
+ clocks = <&xtali>;
+
+ spi_default_pins: pins-spi {
+ function = "spi";
+ groups = "ssp";
+ };
+ };
diff --git a/include/dt-bindings/soc/cirrus,ep9301-syscon.h b/include/dt-bindings/soc/cirrus,ep9301-syscon.h
new file mode 100644
index 000000000000..6bb8f532e7d0
--- /dev/null
+++ b/include/dt-bindings/soc/cirrus,ep9301-syscon.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+#ifndef DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
+#define DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
+
+#define EP93XX_CLK_PLL1 0
+#define EP93XX_CLK_PLL2 1
+
+#define EP93XX_CLK_FCLK 2
+#define EP93XX_CLK_HCLK 3
+#define EP93XX_CLK_PCLK 4
+
+#define EP93XX_CLK_UART 5
+#define EP93XX_CLK_SPI 6
+#define EP93XX_CLK_PWM 7
+#define EP93XX_CLK_USB 8
+
+#define EP93XX_CLK_M2M0 9
+#define EP93XX_CLK_M2M1 10
+
+#define EP93XX_CLK_M2P0 11
+#define EP93XX_CLK_M2P1 12
+#define EP93XX_CLK_M2P2 13
+#define EP93XX_CLK_M2P3 14
+#define EP93XX_CLK_M2P4 15
+#define EP93XX_CLK_M2P5 16
+#define EP93XX_CLK_M2P6 17
+#define EP93XX_CLK_M2P7 18
+#define EP93XX_CLK_M2P8 19
+#define EP93XX_CLK_M2P9 20
+
+#define EP93XX_CLK_UART1 21
+#define EP93XX_CLK_UART2 22
+#define EP93XX_CLK_UART3 23
+
+#define EP93XX_CLK_ADC 24
+#define EP93XX_CLK_ADC_EN 25
+
+#define EP93XX_CLK_KEYPAD 26
+
+#define EP93XX_CLK_VIDEO 27
+
+#define EP93XX_CLK_I2S_MCLK 28
+#define EP93XX_CLK_I2S_SCLK 29
+#define EP93XX_CLK_I2S_LRCLK 30
+
+#endif /* DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H */
--
2.41.0
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