Define the binding for the clock controller functionality present in the Toshiba TC9564 SoC.
Co-developed-by: Daniel Thompson <[email protected]> Signed-off-by: Daniel Thompson <[email protected]> Signed-off-by: Alex Elder <[email protected]> --- v2: - Only define clock information, not reset information - Reworded description to avoid talking about software - Clock IDs are now consecutive (no more commented-out values) .../bindings/clock/toshiba,tc9564-clock.yaml | 54 +++++++++++++++++++ MAINTAINERS | 7 +++ include/dt-bindings/clock/toshiba,tc9564.h | 34 ++++++++++++ 3 files changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/toshiba,tc9564-clock.yaml create mode 100644 include/dt-bindings/clock/toshiba,tc9564.h diff --git a/Documentation/devicetree/bindings/clock/toshiba,tc9564-clock.yaml b/Documentation/devicetree/bindings/clock/toshiba,tc9564-clock.yaml new file mode 100644 index 0000000000000..329b8f002cf2d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/toshiba,tc9564-clock.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/toshiba,tc9564-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toshiba TC9564 Clock Controller + +maintainers: + - Alex Elder <[email protected]> + - Daniel Thompson <[email protected]> + +description: + The Toshiba TC9564 is an SoC accessed by a host system through the + upstream PCIe port on the PCIe switch it implements. The switch + includes an embedded PCIe endpoint that provides access to various + SoC peripherals (including a clock controller) via its BARs. + + A total of 21 clocks are implemented, though two of these are not + controllable. Access to the clock controller relies on PCIe being + functional, so the PCIe clock is assumed to be always on. Similarly, + the PCIe controller relies on I2C, so the I2C clock is also assumed + to be always on. + + Clock ids are defined in <dt-bindings/clock/toshiba,tc9564.h>. + +properties: + compatible: + const: toshiba,tc9564-clock + + toshiba,config-syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle for the configuration space system controller. + + "#clock-cells": + const: 1 + +required: + - compatible + - toshiba,config-syscon + - "#clock-cells" + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/toshiba,tc9564.h> + + clock { + compatible = "toshiba,tc9564-clock"; + toshiba,config-syscon = <&tc9564_config_syscon0>; + #clock-cells = <1>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index ff3bfd42d3f3a..860cf437574cf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -28128,6 +28128,13 @@ F: Documentation/devicetree/bindings/media/i2c/toshiba,tc358743.yaml F: drivers/media/i2c/tc358743* F: include/media/i2c/tc358743.h +TOSHIBA TC9564 CLOCK DRIVER +M: Alex Elder <[email protected]> +M: Daniel Thompson <[email protected]> +S: Maintained +F: Documentation/devicetree/bindings/clock/toshiba,tc9564-clock.yaml +F: include/dt-bindings/clock/toshiba,tc9564.h + TOSHIBA TC9564 PCI DRIVER M: Alex Elder <[email protected]> M: Daniel Thompson <[email protected]> diff --git a/include/dt-bindings/clock/toshiba,tc9564.h b/include/dt-bindings/clock/toshiba,tc9564.h new file mode 100644 index 0000000000000..2106e4199ed45 --- /dev/null +++ b/include/dt-bindings/clock/toshiba,tc9564.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ + +/* + * Copyright (C) 2026 by RISCstar Solutions Corporation. All rights reserved. + */ + +#ifndef __CLOCK_TOSHIBA_TC9564_H__ +#define __CLOCK_TOSHIBA_TC9564_H__ + +/* Clock IDs */ + +#define CLOCK_MCU 0 +#define CLOCK_INTC 1 +#define CLOCK_SRAM 2 +#define CLOCK_UART 3 +#define CLOCK_MSIGEN 4 +#define CLOCK_PLL 5 +#define CLOCK_SGMII 6 +#define CLOCK_REFCLKO 7 + +#define CLOCK_MAC0_TX 8 +#define CLOCK_MAC0_RX 9 +#define CLOCK_MAC0_125M 10 +#define CLOCK_MAC0_312_5M 11 +#define CLOCK_MAC0_ALL 12 + +#define CLOCK_MAC1_TX 13 +#define CLOCK_MAC1_RX 14 +#define CLOCK_MAC1_RMII 15 +#define CLOCK_MAC1_125M 16 +#define CLOCK_MAC1_312_5M 17 +#define CLOCK_MAC1_ALL 18 + +#endif /* __CLOCK_TOSHIBA_TC9564_H__*/ -- 2.53.0
