Add the TSADC node to the RK3576. Additionally, add everything the TSADC
needs to function, i.e. thermal zones, their trip points and maps, as
well as adjust the CPU cooling-cells property.
The polling-delay properties are set to 0 as we do have interrupts for
this TSADC on this particular SoC.
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3576.dtsi | 164 ++++++++++++++++++++++++++++++-
1 file changed, 162 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
index 29b47799849ad50540755d62622865d84226c6c4..73df515a3937414d89515b4ddccf71f33f6a4fe7 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
@@ -11,6 +11,7 @@
#include <dt-bindings/power/rockchip,rk3576-power.h>
#include <dt-bindings/reset/rockchip,rk3576-cru.h>
#include <dt-bindings/soc/rockchip,boot-mode.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
compatible = "rockchip,rk3576";
@@ -113,9 +114,9 @@ cpu_l0: cpu@0 {
capacity-dmips-mhz = <485>;
clocks = <&scmi_clk ARMCLK_L>;
operating-points-v2 = <&cluster0_opp_table>;
- #cooling-cells = <2>;
dynamic-power-coefficient = <120>;
cpu-idle-states = <&CPU_SLEEP>;
+ #cooling-cells = <2>;
};
cpu_l1: cpu@1 {
@@ -127,6 +128,7 @@ cpu_l1: cpu@1 {
clocks = <&scmi_clk ARMCLK_L>;
operating-points-v2 = <&cluster0_opp_table>;
cpu-idle-states = <&CPU_SLEEP>;
+ #cooling-cells = <2>;
};
cpu_l2: cpu@2 {
@@ -138,6 +140,7 @@ cpu_l2: cpu@2 {
clocks = <&scmi_clk ARMCLK_L>;
operating-points-v2 = <&cluster0_opp_table>;
cpu-idle-states = <&CPU_SLEEP>;
+ #cooling-cells = <2>;
};
cpu_l3: cpu@3 {
@@ -149,6 +152,7 @@ cpu_l3: cpu@3 {
clocks = <&scmi_clk ARMCLK_L>;
operating-points-v2 = <&cluster0_opp_table>;
cpu-idle-states = <&CPU_SLEEP>;
+ #cooling-cells = <2>;
};
cpu_b0: cpu@100 {
@@ -159,9 +163,9 @@ cpu_b0: cpu@100 {
capacity-dmips-mhz = <1024>;
clocks = <&scmi_clk ARMCLK_B>;
operating-points-v2 = <&cluster1_opp_table>;
- #cooling-cells = <2>;
dynamic-power-coefficient = <320>;
cpu-idle-states = <&CPU_SLEEP>;
+ #cooling-cells = <2>;
};
cpu_b1: cpu@101 {
@@ -173,6 +177,7 @@ cpu_b1: cpu@101 {
clocks = <&scmi_clk ARMCLK_B>;
operating-points-v2 = <&cluster1_opp_table>;
cpu-idle-states = <&CPU_SLEEP>;
+ #cooling-cells = <2>;
};
cpu_b2: cpu@102 {
@@ -184,6 +189,7 @@ cpu_b2: cpu@102 {
clocks = <&scmi_clk ARMCLK_B>;
operating-points-v2 = <&cluster1_opp_table>;
cpu-idle-states = <&CPU_SLEEP>;
+ #cooling-cells = <2>;
};
cpu_b3: cpu@103 {
@@ -195,6 +201,7 @@ cpu_b3: cpu@103 {
clocks = <&scmi_clk ARMCLK_B>;
operating-points-v2 = <&cluster1_opp_table>;
cpu-idle-states = <&CPU_SLEEP>;
+ #cooling-cells = <2>;
};
idle-states {
@@ -431,6 +438,143 @@ psci {
method = "smc";
};
+ thermal_zones: thermal-zones {
+ /* sensor near the center of the SoC */
+ package_thermal: package-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&tsadc 0>;
+
+ trips {
+ package_crit: package-crit {
+ temperature = <115000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+ };
+
+ /* sensor for cluster1 (big Cortex-A72 cores) */
+ bigcore_thermal: bigcore-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&tsadc 1>;
+
+ trips {
+ bigcore_alert: bigcore-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ bigcore_crit: bigcore-crit {
+ temperature = <115000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&bigcore_alert>;
+ cooling-device =
+ <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_b2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_b3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ /* sensor for cluster0 (little Cortex-A53 cores) */
+ littlecore_thermal: littlecore-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&tsadc 2>;
+
+ trips {
+ littlecore_alert: littlecore-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ littlecore_crit: littlecore-crit {
+ temperature = <115000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&littlecore_alert>;
+ cooling-device =
+ <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ gpu_thermal: gpu-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&tsadc 3>;
+
+ trips {
+ gpu_alert: gpu-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ gpu_crit: gpu-crit {
+ temperature = <115000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&gpu_alert>;
+ cooling-device =
+ <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ npu_thermal: npu-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&tsadc 4>;
+
+ trips {
+ npu_crit: npu-crit {
+ temperature = <115000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+ };
+
+ ddr_thermal: ddr-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&tsadc 5>;
+
+ trips {
+ ddr_crit: ddr-crit {
+ temperature = <115000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+ };
+ };
+
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
@@ -1694,6 +1838,22 @@ saradc: adc@2ae00000 {
status = "disabled";
};
+ tsadc: tsadc@2ae70000 {
+ compatible = "rockchip,rk3576-tsadc";
+ reg = <0x0 0x2ae70000 0x0 0x400>;
+ interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru CLK_TSADC>, <&cru PCLK_TSADC>;
+ clock-names = "tsadc", "apb_pclk";
+ assigned-clocks = <&cru CLK_TSADC>;
+ assigned-clock-rates = <2000000>;
+ resets = <&cru SRST_P_TSADC>, <&cru SRST_TSADC>;
+ reset-names = "tsadc-apb", "tsadc";
+ #thermal-sensor-cells = <1>;
+ rockchip,hw-tshut-temp = <120000>;
+ rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
+ rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
+ };
+
i2c9: i2c@2ae80000 {
compatible = "rockchip,rk3576-i2c", "rockchip,rk3399-i2c";
reg = <0x0 0x2ae80000 0x0 0x1000>;
--
2.48.1
