Add an entry for opp_modifier which configures OPPs on AM4372. Within this, nodes are defined with the opp-modifier propety that are defined as a list of frequency, offset from base register, and efuse value. The CPU node passes a phandle to the appropriate child node to get the correct table. This patch also adds higher eFused OPPs for AM4372. Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx> --- arch/arm/boot/dts/am4372.dtsi | 30 ++++++++++++++++++++++++++++++ include/dt-bindings/opp/ti.h | 6 ++++++ 2 files changed, 36 insertions(+) diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index c6bd4d9..dbaa2e3 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -9,6 +9,7 @@ */ #include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/opp/ti.h> #include "skeleton.dtsi" @@ -33,6 +34,17 @@ compatible = "arm,cortex-a9"; device_type = "cpu"; reg = <0>; + + operating-points = < + /* kHz uV */ + 300000 950000 + 600000 1100000 + 720000 1200000 + 800000 1260000 + 1000000 1325000 + >; + + platform-opp-modifier = <&mpu_opp_modifier>; }; }; @@ -662,6 +674,24 @@ dma-names = "tx", "rx"; }; + opp_modifier: opp_modifier@0x44e10610 { + compatible = "opp-modifier-reg-bit"; + reg = <0x44e10610 0x04>; + + opp,reg-bit-enable-low; + + mpu_opp_modifier: mpu_opp_modifier { + opp-modifier = < + /* kHz offset value */ + 1000000 0 AM43XX_EFUSE_SMA_OPP_NITRO_1GHZ_BIT + 800000 0 AM43XX_EFUSE_SMA_OPP_TURBO_800MHZ_BIT + 720000 0 AM43XX_EFUSE_SMA_OPP_120_720MHZ_BIT + 600000 0 AM43XX_EFUSE_SMA_OPP_100_600MHZ_BIT + 300000 0 AM43XX_EFUSE_SMA_OPP_50_300MHZ_BIT + >; + }; + }; + mcasp0: mcasp@48038000 { compatible = "ti,am33xx-mcasp-audio"; ti,hwmods = "mcasp0"; diff --git a/include/dt-bindings/opp/ti.h b/include/dt-bindings/opp/ti.h index 58436c1..d3717be 100644 --- a/include/dt-bindings/opp/ti.h +++ b/include/dt-bindings/opp/ti.h @@ -19,4 +19,10 @@ #define AM33XX_EFUSE_SMA_OPP_TURBO_800MHZ_BIT (1 << 8) #define AM33XX_EFUSE_SMA_OPP_NITRO_1GHZ_BIT (1 << 9) +#define AM43XX_EFUSE_SMA_OPP_50_300MHZ_BIT (1 << 0) +#define AM43XX_EFUSE_SMA_OPP_100_600MHZ_BIT (1 << 2) +#define AM43XX_EFUSE_SMA_OPP_120_720MHZ_BIT (1 << 3) +#define AM43XX_EFUSE_SMA_OPP_TURBO_800MHZ_BIT (1 << 4) +#define AM43XX_EFUSE_SMA_OPP_NITRO_1GHZ_BIT (1 << 5) + #endif /* __DT_BINDINGS_OPP_TI_H__ */ -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html