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

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>

1 files changed, 72 insertions, 0 deletions

diff --git a/include/dt-bindings/clock/bcm-ns2.h b/include/dt-bindings/clock/bcm-ns2.h
new file mode 100644
index 000000000000..d99c7a2e70cb
--- /dev/null
+++ b/include/dt-bindings/clock/bcm-ns2.h
@@ -0,0 +1,72 @@
+/*
+ *  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 */