From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Anholt Subject: [PATCH 1/3] clk: bcm2835: Add bindings for the auxiliary peripheral clock gates. Date: Thu, 10 Sep 2015 15:22:28 -0700 Message-ID: <1441923750-19404-2-git-send-email-eric@anholt.net> References: <1441923750-19404-1-git-send-email-eric@anholt.net> Return-path: In-Reply-To: <1441923750-19404-1-git-send-email-eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stephen Warren , Lee Jones , Stephen Boyd , Mike Turquette , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Eric Anholt List-Id: devicetree@vger.kernel.org These will be used for enabling UART1, SPI1, and SPI2. Signed-off-by: Eric Anholt --- .../bindings/clock/brcm,bcm2835-aux-clock.txt | 30 ++++++++++++++++++++++ include/dt-bindings/clock/bcm2835-aux.h | 17 ++++++++++++ 2 files changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/brcm,bcm2835-aux-clock.txt create mode 100644 include/dt-bindings/clock/bcm2835-aux.h diff --git a/Documentation/devicetree/bindings/clock/brcm,bcm2835-aux-clock.txt b/Documentation/devicetree/bindings/clock/brcm,bcm2835-aux-clock.txt new file mode 100644 index 0000000..f5ce80a --- /dev/null +++ b/Documentation/devicetree/bindings/clock/brcm,bcm2835-aux-clock.txt @@ -0,0 +1,30 @@ +Broadcom BCM2835 auxiliary peripheral clocks + +This binding uses the common clock binding: + Documentation/devicetree/bindings/clock/clock-bindings.txt + +This controls the clock gating for the BCM2835 auxiliary peripherals +(UART, SPI1, and SPI2). + +Required properties: +- compatible: Should be "brcm,bcm2835-aux-clock" +- #clock-cells: Should be <1>. The permitted clock-specifier values can be + found in include/dt-bindings/clock/bcm2835-aux.h +- reg: Specifies base physical address and size of the gate register +- clocks: The parent clock phandle + +Example: + + clocks: cprman@7e101000 { + compatible = "brcm,bcm2835-cprman"; + #clock-cells = <1>; + reg = <0x7e101000 0x2000>; + clocks = <&clk_osc>; + }; + + aux_clocks: aux-clocks@0x7e215004 { + compatible = "brcm,bcm2835-aux-clock"; + #clock-cells = <1>; + reg = <0x7e215004 0x4>; + clocks = <&clocks BCM2835_CLOCK_VPU>; + }; diff --git a/include/dt-bindings/clock/bcm2835-aux.h b/include/dt-bindings/clock/bcm2835-aux.h new file mode 100644 index 0000000..d91156e --- /dev/null +++ b/include/dt-bindings/clock/bcm2835-aux.h @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2015 Broadcom Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#define BCM2835_AUX_CLOCK_UART 0 +#define BCM2835_AUX_CLOCK_SPI1 1 +#define BCM2835_AUX_CLOCK_SPI2 2 +#define BCM2835_AUX_CLOCK_COUNT 3 -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html