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clk: nsp: add clock support for Broadcom Northstar Plus SoC

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The Broadcom Northstar Plus SoC is architected under the iProc
architecture. It has the following PLLs: ARMPLL, GENPLL, LCPLL0, all
derived from an onboard crystal.

Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Jon Mason 2015-10-15 15:48:27 -04:00 • committed by Stephen Boyd
parent 01b6722fdf
commit 5f024b0685
3 changed files with 188 additions and 0 deletions
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51
include/dt-bindings/clock/bcm-nsp.h Normal file
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/*
* BSD LICENSE
*
* Copyright(c) 2015 Broadcom Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Broadcom Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _CLOCK_BCM_NSP_H
#define _CLOCK_BCM_NSP_H
/* GENPLL clock channel ID */
#define BCM_NSP_GENPLL 0
#define BCM_NSP_GENPLL_PHY_CLK 1
#define BCM_NSP_GENPLL_ENET_SW_CLK 2
#define BCM_NSP_GENPLL_USB_PHY_REF_CLK 3
#define BCM_NSP_GENPLL_IPROCFAST_CLK 4
#define BCM_NSP_GENPLL_SATA1_CLK 5
#define BCM_NSP_GENPLL_SATA2_CLK 6
/* LCPLL0 clock channel ID */
#define BCM_NSP_LCPLL0 0
#define BCM_NSP_LCPLL0_PCIE_PHY_REF_CLK 1
#define BCM_NSP_LCPLL0_SDIO_CLK 2
#define BCM_NSP_LCPLL0_DDR_PHY_CLK 3
#endif /* _CLOCK_BCM_NSP_H */