[PATCH v2 03/12] arm64: dts: zynqmp: Enable si5341 driver for zcu102/106/111
Michal Simek
michal.simek at xilinx.com
Thu Jan 21 05:26:51 EST 2021
Enable si5341 driver is the main chip for providing preprogrammed clocks
for the whole platform.
# cat /sys/kernel/debug/clk/clk_summary
...
refhdmi 1 1 0 114285000 0 0 50000
xtal_0 0 0 0 114285000 0 0 50000
pll_0 0 0 0 40731174000000 0 0 50000
clk1_0 0 0 0 27000000 0 0 50000
clk0_0 0 0 0 27000000 0 0 50000
ref48M 1 2 0 48000000 0 0 50000
si5341 0 4 0 14000000 0 0 50000
clock-generator.N4 0 0 0 0 0 0 50000
clock-generator.N3 0 1 0 733260000 0 0 50000
clock-generator.9 0 1 0 33330000 0 0 50000
clock-generator.N2 0 1 0 104000000 0 0 50000
clock-generator.2 0 1 0 26000000 0 0 50000
clock-generator.N1 0 2 0 594000000 0 0 50000
clock-generator.7 0 1 0 74250000 0 0 50000
clock-generator.0 0 1 0 27000000 0 0 50000
clock-generator.N0 0 4 0 1000000000 0 0 50000
clock-generator.8 0 0 0 0 0 0 50000
clock-generator.6 0 1 0 125000000 0 0 50000
clock-generator.5 0 1 0 100000000 0 0 50000
clock-generator.4 0 1 0 100000000 0 0 50000
clock-generator.3 0 1 0 125000000 0 0 50000
clock-generator.1 0 0 0 0 0 0 50000
...
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
Changes in v2: None
.../boot/dts/xilinx/zynqmp-zcu102-revA.dts | 56 ++++++++++++++++++-
.../boot/dts/xilinx/zynqmp-zcu106-revA.dts | 45 +++++++++++++++
.../boot/dts/xilinx/zynqmp-zcu111-revA.dts | 46 ++++++++++++++-
3 files changed, 145 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
index 5ff7ab665374..68c2ad30d62d 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
@@ -133,6 +133,13 @@ ina226-u75 {
io-channels = <&u75 0>, <&u75 1>, <&u75 2>, <&u75 3>;
};
+ /* 48MHz reference crystal */
+ ref48: ref48M {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <48000000>;
+ };
+
refhdmi: refhdmi {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -489,9 +496,56 @@ i2c at 1 {
#size-cells = <0>;
reg = <1>;
si5341: clock-generator at 36 { /* SI5341 - u69 */
+ compatible = "silabs,si5341";
reg = <0x36>;
- };
+ #clock-cells = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&ref48>;
+ clock-names = "xtal";
+ clock-output-names = "si5341";
+ si5341_0: out at 0 {
+ /* refclk0 for PS-GT, used for DP */
+ reg = <0>;
+ always-on;
+ };
+ si5341_2: out at 2 {
+ /* refclk2 for PS-GT, used for USB3 */
+ reg = <2>;
+ always-on;
+ };
+ si5341_3: out at 3 {
+ /* refclk3 for PS-GT, used for SATA */
+ reg = <3>;
+ always-on;
+ };
+ si5341_4: out at 4 {
+ /* refclk4 for PS-GT, used for PCIE slot */
+ reg = <4>;
+ always-on;
+ };
+ si5341_5: out at 5 {
+ /* refclk5 for PS-GT, used for PCIE */
+ reg = <5>;
+ always-on;
+ };
+ si5341_6: out at 6 {
+ /* refclk6 PL CLK125 */
+ reg = <6>;
+ always-on;
+ };
+ si5341_7: out at 7 {
+ /* refclk7 PL CLK74 */
+ reg = <7>;
+ always-on;
+ };
+ si5341_9: out at 9 {
+ /* refclk9 used for PS_REF_CLK 33.3 MHz */
+ reg = <9>;
+ always-on;
+ };
+ };
};
i2c at 2 {
#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
index 7910ac125101..a29ff20090ce 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
@@ -133,6 +133,13 @@ ina226-u75 {
io-channels = <&u75 0>, <&u75 1>, <&u75 2>, <&u75 3>;
};
+ /* 48MHz reference crystal */
+ ref48: ref48M {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <48000000>;
+ };
+
refhdmi: refhdmi {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -488,7 +495,45 @@ i2c at 1 {
#size-cells = <0>;
reg = <1>;
si5341: clock-generator at 36 { /* SI5341 - u69 */
+ compatible = "silabs,si5341";
reg = <0x36>;
+ #clock-cells = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&ref48>;
+ clock-names = "xtal";
+ clock-output-names = "si5341";
+
+ si5341_0: out at 0 {
+ /* refclk0 for PS-GT, used for DP */
+ reg = <0>;
+ always-on;
+ };
+ si5341_2: out at 2 {
+ /* refclk2 for PS-GT, used for USB3 */
+ reg = <2>;
+ always-on;
+ };
+ si5341_3: out at 3 {
+ /* refclk3 for PS-GT, used for SATA */
+ reg = <3>;
+ always-on;
+ };
+ si5341_6: out at 6 {
+ /* refclk6 PL CLK125 */
+ reg = <6>;
+ always-on;
+ };
+ si5341_7: out at 7 {
+ /* refclk7 PL CLK74 */
+ reg = <7>;
+ always-on;
+ };
+ si5341_9: out at 9 {
+ /* refclk9 used for PS_REF_CLK 33.3 MHz */
+ reg = <9>;
+ always-on;
+ };
};
};
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
index d9a8fdbbcae8..92b3cee62d11 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
@@ -116,6 +116,13 @@ ina226-u79 {
compatible = "iio-hwmon";
io-channels = <&u79 0>, <&u79 1>, <&u79 2>, <&u79 3>;
};
+
+ /* 48MHz reference crystal */
+ ref48: ref48M {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <48000000>;
+ };
};
&dcc {
@@ -374,9 +381,46 @@ i2c at 1 {
#size-cells = <0>;
reg = <1>;
si5341: clock-generator at 36 { /* SI5341 - u46 */
+ compatible = "silabs,si5341";
reg = <0x36>;
+ #clock-cells = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&ref48>;
+ clock-names = "xtal";
+ clock-output-names = "si5341";
+
+ si5341_0: out at 0 {
+ /* refclk0 for PS-GT, used for DP */
+ reg = <0>;
+ always-on;
+ };
+ si5341_2: out at 2 {
+ /* refclk2 for PS-GT, used for USB3 */
+ reg = <2>;
+ always-on;
+ };
+ si5341_3: out at 3 {
+ /* refclk3 for PS-GT, used for SATA */
+ reg = <3>;
+ always-on;
+ };
+ si5341_5: out at 5 {
+ /* refclk5 PL CLK100 */
+ reg = <5>;
+ always-on;
+ };
+ si5341_6: out at 6 {
+ /* refclk6 PL CLK125 */
+ reg = <6>;
+ always-on;
+ };
+ si5341_9: out at 9 {
+ /* refclk9 used for PS_REF_CLK 33.3 MHz */
+ reg = <9>;
+ always-on;
+ };
};
-
};
i2c at 2 {
#address-cells = <1>;
--
2.30.0
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