dt-bindings: clk: Extend binding doc for Stingray SOC

Update iproc clock dt-binding documentation with Stingray pll and clock details. Signed-off-by: Sandeep Tripathy <sandeep.tripathy@broadcom.com> Reviewed-by: Ray Jui <ray.jui@broadcom.com> Reviewed-by: Scott Branden <scott.branden@broadcom.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
8 years ago · 24db8c9194
parent 813baa607d
commit 24db8c9194
2 changed files with 177 additions and 0 deletions
--- a/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt
@ -219,3 +219,79 @@ BCM63138
 --------
 PLL and leaf clock compatible strings for BCM63138 are:
    "brcm,bcm63138-armpll"
+
+Stingray
+-----------
+PLL and leaf clock compatible strings for Stingray are:
+    "brcm,sr-genpll0"
+    "brcm,sr-genpll1"
+    "brcm,sr-genpll2"
+    "brcm,sr-genpll3"
+    "brcm,sr-genpll4"
+    "brcm,sr-genpll5"
+    "brcm,sr-genpll6"
+
+    "brcm,sr-lcpll0"
+    "brcm,sr-lcpll1"
+    "brcm,sr-lcpll-pcie"
+
+
+The following table defines the set of PLL/clock index and ID for Stingray.
+These clock IDs are defined in:
+    "include/dt-bindings/clock/bcm-sr.h"
+
+    Clock		Source		Index	ID
+    ---			-----		-----	---------
+    crystal		N/A		N/A	N/A
+    crmu_ref25m		crystal		N/A	N/A
+
+    genpll0		crystal		0	BCM_SR_GENPLL0
+    clk_125m		genpll0		1	BCM_SR_GENPLL0_125M_CLK
+    clk_scr		genpll0		2	BCM_SR_GENPLL0_SCR_CLK
+    clk_250		genpll0		3	BCM_SR_GENPLL0_250M_CLK
+    clk_pcie_axi	genpll0		4	BCM_SR_GENPLL0_PCIE_AXI_CLK
+    clk_paxc_axi_x2	genpll0		5	BCM_SR_GENPLL0_PAXC_AXI_X2_CLK
+    clk_paxc_axi	genpll0		6	BCM_SR_GENPLL0_PAXC_AXI_CLK
+
+    genpll1		crystal		0	BCM_SR_GENPLL1
+    clk_pcie_tl		genpll1		1	BCM_SR_GENPLL1_PCIE_TL_CLK
+    clk_mhb_apb		genpll1		2	BCM_SR_GENPLL1_MHB_APB_CLK
+
+    genpll2		crystal		0	BCM_SR_GENPLL2
+    clk_nic		genpll2		1	BCM_SR_GENPLL2_NIC_CLK
+    clk_ts_500_ref	genpll2		2	BCM_SR_GENPLL2_TS_500_REF_CLK
+    clk_125_nitro	genpll2		3	BCM_SR_GENPLL2_125_NITRO_CLK
+    clk_chimp		genpll2		4	BCM_SR_GENPLL2_CHIMP_CLK
+    clk_nic_flash	genpll2		5	BCM_SR_GENPLL2_NIC_FLASH
+
+    genpll3		crystal		0	BCM_SR_GENPLL3
+    clk_hsls		genpll3		1	BCM_SR_GENPLL3_HSLS_CLK
+    clk_sdio		genpll3		2	BCM_SR_GENPLL3_SDIO_CLK
+
+    genpll4		crystal		0	BCM_SR_GENPLL4
+    ccn			genpll4		1	BCM_SR_GENPLL4_CCN_CLK
+    clk_tpiu_pll	genpll4		2	BCM_SR_GENPLL4_TPIU_PLL_CLK
+    noc_clk		genpll4		3	BCM_SR_GENPLL4_NOC_CLK
+    clk_chclk_fs4	genpll4		4	BCM_SR_GENPLL4_CHCLK_FS4_CLK
+    clk_bridge_fscpu	genpll4		5	BCM_SR_GENPLL4_BRIDGE_FSCPU_CLK
+
+
+    genpll5		crystal		0	BCM_SR_GENPLL5
+    fs4_hf_clk		genpll5		1	BCM_SR_GENPLL5_FS4_HF_CLK
+    crypto_ae_clk	genpll5		2	BCM_SR_GENPLL5_CRYPTO_AE_CLK
+    raid_ae_clk		genpll5		3	BCM_SR_GENPLL5_RAID_AE_CLK
+
+    genpll6		crystal		0	BCM_SR_GENPLL6
+    48_usb		genpll6		1	BCM_SR_GENPLL6_48_USB_CLK
+
+    lcpll0		crystal		0	BCM_SR_LCPLL0
+    clk_sata_refp 	lcpll0		1	BCM_SR_LCPLL0_SATA_REFP_CLK
+    clk_sata_refn	lcpll0		2	BCM_SR_LCPLL0_SATA_REFN_CLK
+    clk_usb_ref		lcpll0		3	BCM_SR_LCPLL0_USB_REF_CLK
+    sata_refpn		lcpll0		3	BCM_SR_LCPLL0_SATA_REFPN_CLK
+
+    lcpll1		crystal		0	BCM_SR_LCPLL1
+    wan 		lcpll1		1	BCM_SR_LCPLL0_WAN_CLK
+
+    lcpll_pcie		crystal		0	BCM_SR_LCPLL_PCIE
+    pcie_phy_ref 	lcpll1		1	BCM_SR_LCPLL_PCIE_PHY_REF_CLK
--- a/include/dt-bindings/clock/bcm-sr.h
+++ b/include/dt-bindings/clock/bcm-sr.h
@ -0,0 +1,101 @@
+/*
+ *  BSD LICENSE
+ *
+ *  Copyright(c) 2017 Broadcom. 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_SR_H
+#define _CLOCK_BCM_SR_H
+
+/* GENPLL 0 clock channel ID SCR HSLS FS PCIE */
+#define BCM_SR_GENPLL0			0
+#define BCM_SR_GENPLL0_SATA_CLK		1
+#define BCM_SR_GENPLL0_SCR_CLK		2
+#define BCM_SR_GENPLL0_250M_CLK		3
+#define BCM_SR_GENPLL0_PCIE_AXI_CLK	4
+#define BCM_SR_GENPLL0_PAXC_AXI_X2_CLK	5
+#define BCM_SR_GENPLL0_PAXC_AXI_CLK	6
+
+/* GENPLL 1 clock channel ID MHB PCIE NITRO */
+#define BCM_SR_GENPLL1			0
+#define BCM_SR_GENPLL1_PCIE_TL_CLK	1
+#define BCM_SR_GENPLL1_MHB_APB_CLK	2
+
+/* GENPLL 2 clock channel ID NITRO MHB*/
+#define BCM_SR_GENPLL2			0
+#define BCM_SR_GENPLL2_NIC_CLK		1
+#define BCM_SR_GENPLL2_250_NITRO_CLK	2
+#define BCM_SR_GENPLL2_125_NITRO_CLK	3
+#define BCM_SR_GENPLL2_CHIMP_CLK	4
+
+/* GENPLL 3 HSLS clock channel ID */
+#define BCM_SR_GENPLL3			0
+#define BCM_SR_GENPLL3_HSLS_CLK		1
+#define BCM_SR_GENPLL3_SDIO_CLK		2
+
+/* GENPLL 4 SCR clock channel ID */
+#define BCM_SR_GENPLL4			0
+#define BCM_SR_GENPLL4_CCN_CLK		1
+
+/* GENPLL 5 FS4 clock channel ID */
+#define BCM_SR_GENPLL5			0
+#define BCM_SR_GENPLL5_FS_CLK		1
+#define BCM_SR_GENPLL5_SPU_CLK		2
+
+/* GENPLL 6 NITRO clock channel ID */
+#define BCM_SR_GENPLL6			0
+#define BCM_SR_GENPLL6_48_USB_CLK	1
+
+/* LCPLL0  clock channel ID */
+#define BCM_SR_LCPLL0			0
+#define BCM_SR_LCPLL0_SATA_REF_CLK	1
+#define BCM_SR_LCPLL0_USB_REF_CLK	2
+#define BCM_SR_LCPLL0_SATA_REFPN_CLK	3
+
+/* LCPLL1  clock channel ID */
+#define BCM_SR_LCPLL1			0
+#define BCM_SR_LCPLL1_WAN_CLK		1
+
+/* LCPLL PCIE  clock channel ID */
+#define BCM_SR_LCPLL_PCIE		0
+#define BCM_SR_LCPLL_PCIE_PHY_REF_CLK	1
+
+/* GENPLL EMEM0 clock channel ID */
+#define BCM_SR_EMEMPLL0			0
+#define BCM_SR_EMEMPLL0_EMEM_CLK	1
+
+/* GENPLL EMEM0 clock channel ID */
+#define BCM_SR_EMEMPLL1			0
+#define BCM_SR_EMEMPLL1_EMEM_CLK	1
+
+/* GENPLL EMEM0 clock channel ID */
+#define BCM_SR_EMEMPLL2			0
+#define BCM_SR_EMEMPLL2_EMEM_CLK	1
+
+#endif /* _CLOCK_BCM_SR_H */