From: Sandeep Tripathy <sandeep.tripathy@xxxxxxxxxxxx>
This patch describes Stingray SOC clock tree using
DT nodes in Stingray DTS.
Signed-off-by: Sandeep Tripathy <sandeep.tripathy@xxxxxxxxxxxx>
Reviewed-by: Ray Jui <ray.jui@xxxxxxxxxxxx>
Reviewed-by: Scott Branden <scott.branden@xxxxxxxxxxxx>
---
.../boot/dts/broadcom/stingray/stingray-clock.dtsi | 162 +++++++++++++++++++++
.../arm64/boot/dts/broadcom/stingray/stingray.dtsi | 2 +
2 files changed, 164 insertions(+)
create mode 100644 arch/arm64/boot/dts/broadcom/stingray/stingray-clock.dtsi
diff --git a/arch/arm64/boot/dts/broadcom/stingray/stingray-clock.dtsi b/arch/arm64/boot/dts/broadcom/stingray/stingray-clock.dtsi
new file mode 100644
index 0000000..32af238f
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/stingray/stingray-clock.dtsi
@@ -0,0 +1,162 @@
+/*
+ * BSD LICENSE
+ *
+ * Copyright(c) 2016-2017 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 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.
+ */
+
+#include <dt-bindings/clock/bcm-sr.h>
+
+ osc: oscillator {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <50000000>;
+ };
+
+ crmu_ref25m: crmu_ref25m {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&osc>;
+ clock-div = <2>;
+ clock-mult = <1>;
+ };
+
+ genpll0: genpll0@6641d104 {
+ #clock-cells = <1>;
+ compatible = "brcm,sr-genpll0";
+ reg = <0x6641d104 0x32>,
+ <0x6641c854 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "genpll0", "clk_125", "clk_scr", "clk_250",
+ "clk_pcie_axi", "clk_paxc_axi_x2",
+ "clk_paxc_axi";
+ };
+
+ genpll3: genpll3@6641d1e0 {
+ #clock-cells = <1>;
+ compatible = "brcm,sr-genpll3";
+ reg = <0x6641d1e0 0x32>,
+ <0x6641c854 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "genpll3", "clk_hsls", "clk_sdio";
+ };
+
+ genpll4: genpll4@6641d214 {
+ #clock-cells = <1>;
+ compatible = "brcm,sr-genpll4";
+ reg = <0x6641d214 0x32>,
+ <0x6641c854 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "genpll4", "clk_ccn", "clk_tpiu_pll",
+ "noc_clk", "pll_chclk_fs4", "clk_bridge_fscpu";
+ };
+
+ genpll5: genpll5@6641d248 {
+ #clock-cells = <1>;
+ compatible = "brcm,sr-genpll5";
+ reg = <0x6641d248 0x32>,
+ <0x6641c870 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "genpll5", "fs4_hf_clk",
+ "crypto_ae_clk", "raid_ae_clk";
+ };
+
+ lcpll0: lcpll0 {
+ #clock-cells = <1>;
+ compatible = "brcm,sr-lcpll0";
+ reg = <0x6641d0c4 0x3c>, <0x6641c870 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "lcpll0", "clk_sata_refp",
+ "clk_sata_refn", "clk_sata_350", "clk_sata_500";
+ };
+
+ lcpll1: lcpll1 {
+ #clock-cells = <1>;
+ compatible = "brcm,sr-lcpll1";
+ reg = <0x6641d138 0x3c>, <0x6641c870 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "lcpll1", "clk_wanpn",
+ "clk_usb_ref", "timesync_evt_clk";
+ };
+
+ hsls_clk: hsls_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll3 1>;
+ clock-div = <1>;
+ clock-mult = <1>;
+ };
+
+ hsls_div2_clk: hsls_div2_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll3 BCM_SR_GENPLL3_HSLS_CLK>;
+ clock-div = <2>;
+ clock-mult = <1>;
+
+ };
+
+ hsls_div4_clk: hsls_div4_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll3 BCM_SR_GENPLL3_HSLS_CLK>;
+ clock-div = <4>;
+ clock-mult = <1>;
+ };
+
+ hsls_25m_clk: hsls_25m_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&crmu_ref25m>;
+ clock-div = <1>;
+ clock-mult = <1>;
+ };
+
+ hsls_25m_div2_clk: hsls_25m_div2_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&hsls_25m_clk>;
+ clock-div = <2>;
+ clock-mult = <1>;
+ };
+
+ sdio0_clk: sdio0_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll3 BCM_SR_GENPLL3_SDIO_CLK>;
+ clock-div = <1>;
+ clock-mult = <1>;
+ };
+
+ sdio1_clk: sdio1_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll3 BCM_SR_GENPLL3_SDIO_CLK>;
+ clock-div = <1>;
+ clock-mult = <1>;
+ };
diff --git a/arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi b/arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi
index f08b37e..c60de96 100644
--- a/arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi
+++ b/arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi
@@ -255,6 +255,8 @@
#size-cells = <1>;
ranges = <0 0 0 0xffffffff>;
+ #include "stingray-clock.dtsi"
+
uart0: uart@68a00000 {
device_type = "serial";
compatible = "snps,dw-apb-uart";
--
2.7.4
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