diff options
| -rw-r--r-- | Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt | 57 | ||||
| -rw-r--r-- | MAINTAINERS | 2 | ||||
| -rw-r--r-- | include/dt-bindings/genpd/k2g.h | 90 |
3 files changed, 149 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt b/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt new file mode 100644 index 000000000000..c705db07d820 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt @@ -0,0 +1,57 @@ +Texas Instruments TI-SCI Generic Power Domain +--------------------------------------------- + +Some TI SoCs contain a system controller (like the PMMC, etc...) that is +responsible for controlling the state of the IPs that are present. +Communication between the host processor running an OS and the system +controller happens through a protocol known as TI-SCI [1]. + +[1] Documentation/devicetree/bindings/arm/keystone/ti,sci.txt + +PM Domain Node +============== +The PM domain node represents the global PM domain managed by the PMMC, which +in this case is the implementation as documented by the generic PM domain +bindings in Documentation/devicetree/bindings/power/power_domain.txt. Because +this relies on the TI SCI protocol to communicate with the PMMC it must be a +child of the pmmc node. + +Required Properties: +-------------------- +- compatible: should be "ti,sci-pm-domain" +- #power-domain-cells: Must be 1 so that an id can be provided in each + device node. + +Example (K2G): +------------- + pmmc: pmmc { + compatible = "ti,k2g-sci"; + ... + + k2g_pds: power-controller { + compatible = "ti,sci-pm-domain"; + #power-domain-cells = <1>; + }; + }; + +PM Domain Consumers +=================== +Hardware blocks belonging to a PM domain should contain a "power-domains" +property that is a phandle pointing to the corresponding PM domain node +along with an index representing the device id to be passed to the PMMC +for device control. + +Required Properties: +-------------------- +- power-domains: phandle pointing to the corresponding PM domain node + and an ID representing the device. + +See dt-bindings/genpd/k2g.h for the list of valid identifiers for k2g. + +Example (K2G): +-------------------- + uart0: serial@02530c00 { + compatible = "ns16550a"; + ... + power-domains = <&k2g_pds K2G_DEV_UART0>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c776906f67a9..9057479ee607 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12382,6 +12382,8 @@ S: Maintained F: Documentation/devicetree/bindings/arm/keystone/ti,sci.txt F: drivers/firmware/ti_sci* F: include/linux/soc/ti/ti_sci_protocol.h +F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt +F: include/dt-bindings/genpd/k2g.h THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER M: Hans Verkuil <hverkuil@xs4all.nl> diff --git a/include/dt-bindings/genpd/k2g.h b/include/dt-bindings/genpd/k2g.h new file mode 100644 index 000000000000..fffdb604fc7d --- /dev/null +++ b/include/dt-bindings/genpd/k2g.h @@ -0,0 +1,90 @@ +/* + * TI K2G SoC Device definitions + * + * Copyright (C) 2015-2017 Texas Instruments Incorporated - https://urldefense.proofpoint.com/v2/url?u=http-3A__www.ti.com_&d=DwIBAg&c=RoP1YumCXCgaWHvlZYR8PQcxBKCX5YTpkKY057SbK10&r=XBn1JQGPwR8CsE7xpP3wPlG6DQU7qw8ym65xieNZ4hY&m=K-anSnBVCpVU_mSaI7FWz6dwIAPBePhk6w9rCref6SI&s=UvxGRJAJRKjDVjwUuXloC2gH4uWNkMelLuW2oG01DPM&e= + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _DT_BINDINGS_GENPD_K2G_H +#define _DT_BINDINGS_GENPD_K2G_H + +/* Documented in https://urldefense.proofpoint.com/v2/url?u=http-3A__processors.wiki.ti.com_index.php_TISCI&d=DwIBAg&c=RoP1YumCXCgaWHvlZYR8PQcxBKCX5YTpkKY057SbK10&r=XBn1JQGPwR8CsE7xpP3wPlG6DQU7qw8ym65xieNZ4hY&m=K-anSnBVCpVU_mSaI7FWz6dwIAPBePhk6w9rCref6SI&s=OUR-PBKiUWN0Bhs-J9hzlER8kpqh_V70s09xc8Zo1iA&e= */ + +#define K2G_DEV_PMMC0 0x0000 +#define K2G_DEV_MLB0 0x0001 +#define K2G_DEV_DSS0 0x0002 +#define K2G_DEV_MCBSP0 0x0003 +#define K2G_DEV_MCASP0 0x0004 +#define K2G_DEV_MCASP1 0x0005 +#define K2G_DEV_MCASP2 0x0006 +#define K2G_DEV_DCAN0 0x0008 +#define K2G_DEV_DCAN1 0x0009 +#define K2G_DEV_EMIF0 0x000a +#define K2G_DEV_MMCHS0 0x000b +#define K2G_DEV_MMCHS1 0x000c +#define K2G_DEV_GPMC0 0x000d +#define K2G_DEV_ELM0 0x000e +#define K2G_DEV_SPI0 0x0010 +#define K2G_DEV_SPI1 0x0011 +#define K2G_DEV_SPI2 0x0012 +#define K2G_DEV_SPI3 0x0013 +#define K2G_DEV_ICSS0 0x0014 +#define K2G_DEV_ICSS1 0x0015 +#define K2G_DEV_USB0 0x0016 +#define K2G_DEV_USB1 0x0017 +#define K2G_DEV_NSS0 0x0018 +#define K2G_DEV_PCIE0 0x0019 +#define K2G_DEV_GPIO0 0x001b +#define K2G_DEV_GPIO1 0x001c +#define K2G_DEV_TIMER64_0 0x001d +#define K2G_DEV_TIMER64_1 0x001e +#define K2G_DEV_TIMER64_2 0x001f +#define K2G_DEV_TIMER64_3 0x0020 +#define K2G_DEV_TIMER64_4 0x0021 +#define K2G_DEV_TIMER64_5 0x0022 +#define K2G_DEV_TIMER64_6 0x0023 +#define K2G_DEV_MSGMGR0 0x0025 +#define K2G_DEV_BOOTCFG0 0x0026 +#define K2G_DEV_ARM_BOOTROM0 0x0027 +#define K2G_DEV_DSP_BOOTROM0 0x0029 +#define K2G_DEV_DEBUGSS0 0x002b +#define K2G_DEV_UART0 0x002c +#define K2G_DEV_UART1 0x002d +#define K2G_DEV_UART2 0x002e +#define K2G_DEV_EHRPWM0 0x002f +#define K2G_DEV_EHRPWM1 0x0030 +#define K2G_DEV_EHRPWM2 0x0031 +#define K2G_DEV_EHRPWM3 0x0032 +#define K2G_DEV_EHRPWM4 0x0033 +#define K2G_DEV_EHRPWM5 0x0034 +#define K2G_DEV_EQEP0 0x0035 +#define K2G_DEV_EQEP1 0x0036 +#define K2G_DEV_EQEP2 0x0037 +#define K2G_DEV_ECAP0 0x0038 +#define K2G_DEV_ECAP1 0x0039 +#define K2G_DEV_I2C0 0x003a +#define K2G_DEV_I2C1 0x003b +#define K2G_DEV_I2C2 0x003c +#define K2G_DEV_EDMA0 0x003f +#define K2G_DEV_SEMAPHORE0 0x0040 +#define K2G_DEV_INTC0 0x0041 +#define K2G_DEV_GIC0 0x0042 +#define K2G_DEV_QSPI0 0x0043 +#define K2G_DEV_ARM_64B_COUNTER0 0x0044 +#define K2G_DEV_TETRIS0 0x0045 +#define K2G_DEV_CGEM0 0x0046 +#define K2G_DEV_MSMC0 0x0047 +#define K2G_DEV_CBASS0 0x0049 +#define K2G_DEV_BOARD0 0x004c +#define K2G_DEV_EDMA1 0x004f + +#endif |