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clk: ns2: add clock support for Broadcom Northstar 2 SoC

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The Broadcom Northstar 2 SoC is architected under the iProc
architecture. It has the following PLLs: GENPLL SCR, GENPLL SW,
LCPLL DDR, LCPLL Ports, 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 15:48:31 -04:00
committed by Stephen Boyd
parent 40c8bec3f2
commit f7225a832d
4 changed files with 362 additions and 1 deletions
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72
include/dt-bindings/clock/bcm-ns2.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_NS2_H
#define _CLOCK_BCM_NS2_H
/* GENPLL SCR clock channel ID */
#define BCM_NS2_GENPLL_SCR 0
#define BCM_NS2_GENPLL_SCR_SCR_CLK 1
#define BCM_NS2_GENPLL_SCR_FS_CLK 2
#define BCM_NS2_GENPLL_SCR_AUDIO_CLK 3
#define BCM_NS2_GENPLL_SCR_CH3_UNUSED 4
#define BCM_NS2_GENPLL_SCR_CH4_UNUSED 5
#define BCM_NS2_GENPLL_SCR_CH5_UNUSED 6
/* GENPLL SW clock channel ID */
#define BCM_NS2_GENPLL_SW 0
#define BCM_NS2_GENPLL_SW_RPE_CLK 1
#define BCM_NS2_GENPLL_SW_250_CLK 2
#define BCM_NS2_GENPLL_SW_NIC_CLK 3
#define BCM_NS2_GENPLL_SW_CHIMP_CLK 4
#define BCM_NS2_GENPLL_SW_PORT_CLK 5
#define BCM_NS2_GENPLL_SW_SDIO_CLK 6
/* LCPLL DDR clock channel ID */
#define BCM_NS2_LCPLL_DDR 0
#define BCM_NS2_LCPLL_DDR_PCIE_SATA_USB_CLK 1
#define BCM_NS2_LCPLL_DDR_DDR_CLK 2
#define BCM_NS2_LCPLL_DDR_CH2_UNUSED 3
#define BCM_NS2_LCPLL_DDR_CH3_UNUSED 4
#define BCM_NS2_LCPLL_DDR_CH4_UNUSED 5
#define BCM_NS2_LCPLL_DDR_CH5_UNUSED 6
/* LCPLL PORTS clock channel ID */
#define BCM_NS2_LCPLL_PORTS 0
#define BCM_NS2_LCPLL_PORTS_WAN_CLK 1
#define BCM_NS2_LCPLL_PORTS_RGMII_CLK 2
#define BCM_NS2_LCPLL_PORTS_CH2_UNUSED 3
#define BCM_NS2_LCPLL_PORTS_CH3_UNUSED 4
#define BCM_NS2_LCPLL_PORTS_CH4_UNUSED 5
#define BCM_NS2_LCPLL_PORTS_CH5_UNUSED 6
#endif /* _CLOCK_BCM_NS2_H */