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Message-Id: <20230601053546.9574-3-nikita.shubin@maquefel.me>
Date: Thu, 1 Jun 2023 08:33:53 +0300
From: Nikita Shubin <nikita.shubin@...uefel.me>
To: Alexander Sverdlin <alexander.sverdlin@...il.com>,
Arnd Bergmann <arnd@...db.de>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Nikita Shubin <nikita.shubin@...uefel.me>
Cc: Michael Peters <mpeters@...eddedTS.com>,
Kris Bahnsen <kris@...eddedTS.com>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: [PATCH v1 02/43] dt-bindings: soc: Add Cirrus EP93xx
This adds device tree bindings for the Cirrus Logic EP93xx.
Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
Notes:
v0 -> v1:
- fixed compatible - now it specifies three boards
- ts7250
- bk3
- edb9302
- fixed identation in example
- dropped labels
.../devicetree/bindings/arm/ep93xx.yaml | 107 ++++++++++++++++++
.../dt-bindings/clock/cirrus,ep93xx-clock.h | 53 +++++++++
2 files changed, 160 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/ep93xx.yaml
create mode 100644 include/dt-bindings/clock/cirrus,ep93xx-clock.h
diff --git a/Documentation/devicetree/bindings/arm/ep93xx.yaml b/Documentation/devicetree/bindings/arm/ep93xx.yaml
new file mode 100644
index 000000000000..bcf9754d0763
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/ep93xx.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/ep93xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic EP93xx device tree bindings
+
+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:
+ $nodename:
+ const: '/'
+ compatible:
+ oneOf:
+ - description: The TS-7250 is a compact, full-featured Single Board Computer (SBC)
+ based upon the Cirrus EP9302 ARM9 CPU
+ items:
+ - const: technologic,ts7250
+ - const: cirrus,ep9301
+
+ - description: The Liebherr BK3 is a derivate from ts7250 board
+ items:
+ - const: liebherr,bk3
+ - const: cirrus,ep9301
+
+ - description: EDB302 is an evaluation board by Cirrus Logic,
+ based on a Cirrus Logic EP9302 CPU
+ items:
+ - const: cirrus,edb9302
+ - const: cirrus,ep9301
+
+ soc:
+ type: object
+ patternProperties:
+ "^.*syscon@...30000$":
+ type: object
+ properties:
+ compatible:
+ items:
+ - const: cirrus,ep9301-syscon
+ - const: syscon
+ - const: simple-mfd
+ ep9301-reboot:
+ type: object
+ properties:
+ compatible:
+ const: cirrus,ep9301-reboot
+ required:
+ - compatible
+ - reg
+ - ep9301-reboot
+
+ "^.*timer@...10000$":
+ type: object
+ properties:
+ compatible:
+ const: cirrus,ep9301-timer
+
+ required:
+ - syscon@...30000
+ - timer@...10000
+
+required:
+ - compatible
+ - soc
+
+additionalProperties: true
+
+examples:
+ - |
+ / {
+ compatible = "technologic,ts7250", "cirrus,ep9301";
+ model = "TS-7250 SBC";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ compatible = "simple-bus";
+
+ syscon@...30000 {
+ compatible = "cirrus,ep9301-syscon",
+ "syscon", "simple-mfd";
+ reg = <0x80930000 0x1000>;
+
+ ep9301-reboot {
+ compatible = "cirrus,ep9301-reboot";
+ };
+ };
+
+ timer@...10000 {
+ compatible = "cirrus,ep9301-timer";
+ reg = <0x80810000 0x100>;
+ interrupt-parent = <&vic1>;
+ interrupts = <19>;
+ };
+ };
+ };
+
+...
diff --git a/include/dt-bindings/clock/cirrus,ep93xx-clock.h b/include/dt-bindings/clock/cirrus,ep93xx-clock.h
new file mode 100644
index 000000000000..6a8cf33d811b
--- /dev/null
+++ b/include/dt-bindings/clock/cirrus,ep93xx-clock.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
+#define DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
+
+#define EP93XX_CLK_XTALI 0
+
+#define EP93XX_CLK_PLL1 1
+#define EP93XX_CLK_FCLK 2
+#define EP93XX_CLK_HCLK 3
+#define EP93XX_CLK_PCLK 4
+#define EP93XX_CLK_PLL2 5
+
+#define EP93XX_CLK_UART 6
+
+#define EP93XX_CLK_UART1 7
+#define EP93XX_CLK_UART2 8
+#define EP93XX_CLK_UART3 9
+
+#define EP93XX_CLK_M2M0 10
+#define EP93XX_CLK_M2M1 11
+
+#define EP93XX_CLK_M2P0 12
+#define EP93XX_CLK_M2P1 13
+#define EP93XX_CLK_M2P2 14
+#define EP93XX_CLK_M2P3 15
+#define EP93XX_CLK_M2P4 16
+#define EP93XX_CLK_M2P5 17
+#define EP93XX_CLK_M2P6 18
+#define EP93XX_CLK_M2P7 19
+#define EP93XX_CLK_M2P8 20
+#define EP93XX_CLK_M2P9 21
+
+#define EP93XX_CLK_SPI 22
+
+#define EP93XX_CLK_USB 23
+
+#define EP93XX_CLK_ADC 24
+#define EP93XX_CLK_ADC_EN 25
+
+#define EP93XX_CLK_KEYPAD 26
+
+#define EP93XX_CLK_PWM 27
+
+#define EP93XX_CLK_VIDEO 28
+
+#define EP93XX_CLK_I2S_MCLK 29
+#define EP93XX_CLK_I2S_SCLK 30
+#define EP93XX_CLK_I2S_LRCLK 31
+
+
+#define EP93XX_NUM_CLKS (EP93XX_CLK_I2S_LRCLK + 1)
+
+#endif /* DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H */
--
2.37.4
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