From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jolly Shah Subject: [PATCH v4 1/3] dt-bindings: power: Add ZynqMP power domain bindings Date: Fri, 1 Feb 2019 14:08:48 -0800 Message-ID: <1549058930-18644-2-git-send-email-jollys@xilinx.com> References: <1549058930-18644-1-git-send-email-jollys@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1549058930-18644-1-git-send-email-jollys@xilinx.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: matthias.bgg@gmail.com, andy.gross@linaro.org, shawnguo@kernel.org, geert+renesas@glider.be, bjorn.andersson@linaro.org, sean.wang@mediatek.com, m.szyprowski@samsung.com, michal.simek@xilinx.com, robh+dt@kernel.org, mark.rutland@arm.com Cc: devicetree@vger.kernel.org, Rajan Vaja , linux-kernel@vger.kernel.org, Jolly Shah , rajanv@xilinx.com, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org From: Rajan Vaja Add documentation to describe ZynqMP power domain bindings. Signed-off-by: Rajan Vaja Signed-off-by: Jolly Shah Reviewed-by: Rob Herring --- .../bindings/power/xlnx,zynqmp-genpd.txt | 34 +++++++++++++++++++ include/dt-bindings/power/xlnx-zynqmp-power.h | 39 ++++++++++++++++++++++ 2 files changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt create mode 100644 include/dt-bindings/power/xlnx-zynqmp-power.h diff --git a/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt b/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt new file mode 100644 index 0000000..3c7f237 --- /dev/null +++ b/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt @@ -0,0 +1,34 @@ +----------------------------------------------------------- +Device Tree Bindings for the Xilinx Zynq MPSoC PM domains +----------------------------------------------------------- +The binding for zynqmp-power-controller follow the common +generic PM domain binding[1]. + +[1] Documentation/devicetree/bindings/power/power_domain.txt + +== Zynq MPSoC Generic PM Domain Node == + +Required property: + - Below property should be in zynqmp-firmware node. + - #power-domain-cells: Number of cells in a PM domain specifier. Must be 1. + +Power domain ID indexes are mentioned in +include/dt-bindings/power/xlnx-zynqmp-power.h. + +------- +Example +------- + +firmware { + zynqmp_firmware: zynqmp-firmware { + ... + #power-domain-cells = <1>; + ... + }; +}; + +sata { + ... + power-domains = <&zynqmp_firmware 28>; + ... +}; diff --git a/include/dt-bindings/power/xlnx-zynqmp-power.h b/include/dt-bindings/power/xlnx-zynqmp-power.h new file mode 100644 index 0000000..0d9a412 --- /dev/null +++ b/include/dt-bindings/power/xlnx-zynqmp-power.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2018 Xilinx, Inc. + */ + +#ifndef _DT_BINDINGS_ZYNQMP_POWER_H +#define _DT_BINDINGS_ZYNQMP_POWER_H + +#define PD_USB_0 22 +#define PD_USB_1 23 +#define PD_TTC_0 24 +#define PD_TTC_1 25 +#define PD_TTC_2 26 +#define PD_TTC_3 27 +#define PD_SATA 28 +#define PD_ETH_0 29 +#define PD_ETH_1 30 +#define PD_ETH_2 31 +#define PD_ETH_3 32 +#define PD_UART_0 33 +#define PD_UART_1 34 +#define PD_SPI_0 35 +#define PD_SPI_1 36 +#define PD_I2C_0 37 +#define PD_I2C_1 38 +#define PD_SD_0 39 +#define PD_SD_1 40 +#define PD_DP 41 +#define PD_GDMA 42 +#define PD_ADMA 43 +#define PD_NAND 44 +#define PD_QSPI 45 +#define PD_GPIO 46 +#define PD_CAN_0 47 +#define PD_CAN_1 48 +#define PD_GPU 58 +#define PD_PCIE 59 + +#endif -- 2.7.4