diff --git a/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt b/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt index f7b00a7c0f68..f541d1f776a2 100644 --- a/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt +++ b/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt @@ -19,8 +19,15 @@ 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. +- #power-domain-cells: Can be one of the following: + 1: Containing the device id of each node + 2: First entry should be device id + Second entry should be one of the floowing: + TI_SCI_PD_EXCLUSIVE: To allow device to be + exclusively controlled by + the requesting hosts. + TI_SCI_PD_SHARED: To allow device to be shared + by multiple hosts. Example (K2G): ------------- diff --git a/MAINTAINERS b/MAINTAINERS index 267c60478bac..3904f0fcfcbb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15885,6 +15885,7 @@ 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: drivers/soc/ti/ti_sci_pm_domains.c +F: include/dt-bindings/soc/ti,sci_pm_domain.h F: Documentation/devicetree/bindings/reset/ti,sci-reset.txt F: Documentation/devicetree/bindings/clock/ti,sci-clk.txt F: drivers/clk/keystone/sci-clk.c diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index ca70ff73f171..799c75fa7981 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -42,7 +42,7 @@ gic500: interrupt-controller@1800000 { */ interrupts = ; - gic_its: gic-its@18200000 { + gic_its: gic-its@1820000 { compatible = "arm,gic-v3-its"; reg = <0x00 0x01820000 0x00 0x10000>; socionext,synquacer-pre-its = <0x1000000 0x400000>; @@ -67,7 +67,7 @@ serdes0: serdes@900000 { reg = <0x0 0x900000 0x0 0x2000>; reg-names = "serdes"; #phy-cells = <2>; - power-domains = <&k3_pds 153>; + power-domains = <&k3_pds 153 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 153 4>, <&k3_clks 153 1>, <&serdes1 AM654_SERDES_LO_REFCLK>; clock-output-names = "serdes0_cmu_refclk", "serdes0_lo_refclk", "serdes0_ro_refclk"; assigned-clocks = <&k3_clks 153 4>, <&serdes0 AM654_SERDES_CMU_REFCLK>; @@ -82,7 +82,7 @@ serdes1: serdes@910000 { reg = <0x0 0x910000 0x0 0x2000>; reg-names = "serdes"; #phy-cells = <2>; - power-domains = <&k3_pds 154>; + power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>; clocks = <&serdes0 AM654_SERDES_RO_REFCLK>, <&k3_clks 154 1>, <&k3_clks 154 5>; clock-output-names = "serdes1_cmu_refclk", "serdes1_lo_refclk", "serdes1_ro_refclk"; assigned-clocks = <&k3_clks 154 5>, <&serdes1 AM654_SERDES_CMU_REFCLK>; @@ -100,7 +100,7 @@ main_uart0: serial@2800000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 146>; + power-domains = <&k3_pds 146 TI_SCI_PD_EXCLUSIVE>; }; main_uart1: serial@2810000 { @@ -110,7 +110,7 @@ main_uart1: serial@2810000 { reg-io-width = <4>; interrupts = ; clock-frequency = <48000000>; - power-domains = <&k3_pds 147>; + power-domains = <&k3_pds 147 TI_SCI_PD_EXCLUSIVE>; }; main_uart2: serial@2820000 { @@ -120,7 +120,7 @@ main_uart2: serial@2820000 { reg-io-width = <4>; interrupts = ; clock-frequency = <48000000>; - power-domains = <&k3_pds 148>; + power-domains = <&k3_pds 148 TI_SCI_PD_EXCLUSIVE>; }; main_pmx0: pinmux@11c000 { @@ -147,7 +147,7 @@ main_i2c0: i2c@2000000 { #size-cells = <0>; clock-names = "fck"; clocks = <&k3_clks 110 1>; - power-domains = <&k3_pds 110>; + power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>; }; main_i2c1: i2c@2010000 { @@ -158,7 +158,7 @@ main_i2c1: i2c@2010000 { #size-cells = <0>; clock-names = "fck"; clocks = <&k3_clks 111 1>; - power-domains = <&k3_pds 111>; + power-domains = <&k3_pds 111 TI_SCI_PD_EXCLUSIVE>; }; main_i2c2: i2c@2020000 { @@ -169,7 +169,7 @@ main_i2c2: i2c@2020000 { #size-cells = <0>; clock-names = "fck"; clocks = <&k3_clks 112 1>; - power-domains = <&k3_pds 112>; + power-domains = <&k3_pds 112 TI_SCI_PD_EXCLUSIVE>; }; main_i2c3: i2c@2030000 { @@ -180,14 +180,14 @@ main_i2c3: i2c@2030000 { #size-cells = <0>; clock-names = "fck"; clocks = <&k3_clks 113 1>; - power-domains = <&k3_pds 113>; + power-domains = <&k3_pds 113 TI_SCI_PD_EXCLUSIVE>; }; ecap0: pwm@3100000 { compatible = "ti,am654-ecap", "ti,am3352-ecap"; #pwm-cells = <3>; reg = <0x0 0x03100000 0x0 0x60>; - power-domains = <&k3_pds 39>; + power-domains = <&k3_pds 39 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 39 0>; clock-names = "fck"; }; @@ -197,7 +197,7 @@ main_spi0: spi@2100000 { reg = <0x0 0x2100000 0x0 0x400>; interrupts = ; clocks = <&k3_clks 137 1>; - power-domains = <&k3_pds 137>; + power-domains = <&k3_pds 137 TI_SCI_PD_EXCLUSIVE>; #address-cells = <1>; #size-cells = <0>; }; @@ -207,7 +207,7 @@ main_spi1: spi@2110000 { reg = <0x0 0x2110000 0x0 0x400>; interrupts = ; clocks = <&k3_clks 138 1>; - power-domains = <&k3_pds 138>; + power-domains = <&k3_pds 138 TI_SCI_PD_EXCLUSIVE>; #address-cells = <1>; #size-cells = <0>; assigned-clocks = <&k3_clks 137 1>; @@ -219,7 +219,7 @@ main_spi2: spi@2120000 { reg = <0x0 0x2120000 0x0 0x400>; interrupts = ; clocks = <&k3_clks 139 1>; - power-domains = <&k3_pds 139>; + power-domains = <&k3_pds 139 TI_SCI_PD_EXCLUSIVE>; #address-cells = <1>; #size-cells = <0>; }; @@ -229,7 +229,7 @@ main_spi3: spi@2130000 { reg = <0x0 0x2130000 0x0 0x400>; interrupts = ; clocks = <&k3_clks 140 1>; - power-domains = <&k3_pds 140>; + power-domains = <&k3_pds 140 TI_SCI_PD_EXCLUSIVE>; #address-cells = <1>; #size-cells = <0>; }; @@ -239,7 +239,7 @@ main_spi4: spi@2140000 { reg = <0x0 0x2140000 0x0 0x400>; interrupts = ; clocks = <&k3_clks 141 1>; - power-domains = <&k3_pds 141>; + power-domains = <&k3_pds 141 TI_SCI_PD_EXCLUSIVE>; #address-cells = <1>; #size-cells = <0>; }; @@ -247,7 +247,7 @@ main_spi4: spi@2140000 { sdhci0: sdhci@4f80000 { compatible = "ti,am654-sdhci-5.1"; reg = <0x0 0x4f80000 0x0 0x260>, <0x0 0x4f90000 0x0 0x134>; - power-domains = <&k3_pds 47>; + power-domains = <&k3_pds 47 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 47 0>, <&k3_clks 47 1>; clock-names = "clk_ahb", "clk_xin"; interrupts = ; @@ -306,7 +306,7 @@ dwc3_0: dwc3@4000000 { ranges = <0x0 0x0 0x4000000 0x20000>; interrupts = ; dma-coherent; - power-domains = <&k3_pds 151>; + power-domains = <&k3_pds 151 TI_SCI_PD_EXCLUSIVE>; assigned-clocks = <&k3_clks 151 2>, <&k3_clks 151 7>; assigned-clock-parents = <&k3_clks 151 4>, /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */ <&k3_clks 151 9>; /* set PIPE3_TXB_CLK to CLK_12M_RC/256 (for HS only) */ @@ -345,7 +345,7 @@ dwc3_1: dwc3@4020000 { ranges = <0x0 0x0 0x4020000 0x20000>; interrupts = ; dma-coherent; - power-domains = <&k3_pds 152>; + power-domains = <&k3_pds 152 TI_SCI_PD_EXCLUSIVE>; assigned-clocks = <&k3_clks 152 2>; assigned-clock-parents = <&k3_clks 152 4>; /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */ @@ -413,6 +413,12 @@ inta_main_udmass: interrupt-controller@33d00000 { ti,sci-rm-range-vint = <0x0>; ti,sci-rm-range-global-event = <0x1>; }; + + hwspinlock: spinlock@30e00000 { + compatible = "ti,am654-hwspinlock"; + reg = <0x00 0x30e00000 0x00 0x1000>; + #hwlock-cells = <1>; + }; }; main_gpio0: main_gpio0@600000 { @@ -451,7 +457,7 @@ pcie0_rc: pcie@5500000 { compatible = "ti,am654-pcie-rc"; reg = <0x0 0x5500000 0x0 0x1000>, <0x0 0x5501000 0x0 0x1000>, <0x0 0x10000000 0x0 0x2000>, <0x0 0x5506000 0x0 0x1000>; reg-names = "app", "dbics", "config", "atu"; - power-domains = <&k3_pds 120>; + power-domains = <&k3_pds 120 TI_SCI_PD_EXCLUSIVE>; #address-cells = <3>; #size-cells = <2>; ranges = <0x81000000 0 0 0x0 0x10020000 0 0x00010000 @@ -470,7 +476,7 @@ pcie0_ep: pcie-ep@5500000 { compatible = "ti,am654-pcie-ep"; reg = <0x0 0x5500000 0x0 0x1000>, <0x0 0x5501000 0x0 0x1000>, <0x0 0x10000000 0x0 0x8000000>, <0x0 0x5506000 0x0 0x1000>; reg-names = "app", "dbics", "addr_space", "atu"; - power-domains = <&k3_pds 120>; + power-domains = <&k3_pds 120 TI_SCI_PD_EXCLUSIVE>; ti,syscon-pcie-mode = <&pcie0_mode>; num-ib-windows = <16>; num-ob-windows = <16>; @@ -483,7 +489,7 @@ pcie1_rc: pcie@5600000 { compatible = "ti,am654-pcie-rc"; reg = <0x0 0x5600000 0x0 0x1000>, <0x0 0x5601000 0x0 0x1000>, <0x0 0x18000000 0x0 0x2000>, <0x0 0x5606000 0x0 0x1000>; reg-names = "app", "dbics", "config", "atu"; - power-domains = <&k3_pds 121>; + power-domains = <&k3_pds 121 TI_SCI_PD_EXCLUSIVE>; #address-cells = <3>; #size-cells = <2>; ranges = <0x81000000 0 0 0x0 0x18020000 0 0x00010000 @@ -502,7 +508,7 @@ pcie1_ep: pcie-ep@5600000 { compatible = "ti,am654-pcie-ep"; reg = <0x0 0x5600000 0x0 0x1000>, <0x0 0x5601000 0x0 0x1000>, <0x0 0x18000000 0x0 0x4000000>, <0x0 0x5606000 0x0 0x1000>; reg-names = "app", "dbics", "addr_space", "atu"; - power-domains = <&k3_pds 121>; + power-domains = <&k3_pds 121 TI_SCI_PD_EXCLUSIVE>; ti,syscon-pcie-mode = <&pcie1_mode>; num-ib-windows = <16>; num-ob-windows = <16>; diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi index afc29eaa2638..7bdf5342f58f 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi @@ -14,7 +14,7 @@ mcu_uart0: serial@40a00000 { interrupts = ; clock-frequency = <96000000>; current-speed = <115200>; - power-domains = <&k3_pds 149>; + power-domains = <&k3_pds 149 TI_SCI_PD_EXCLUSIVE>; }; mcu_ram: sram@41c00000 { @@ -33,7 +33,7 @@ mcu_i2c0: i2c@40b00000 { #size-cells = <0>; clock-names = "fck"; clocks = <&k3_clks 114 1>; - power-domains = <&k3_pds 114>; + power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>; }; mcu_spi0: spi@40300000 { @@ -41,7 +41,7 @@ mcu_spi0: spi@40300000 { reg = <0x0 0x40300000 0x0 0x400>; interrupts = ; clocks = <&k3_clks 142 1>; - power-domains = <&k3_pds 142>; + power-domains = <&k3_pds 142 TI_SCI_PD_EXCLUSIVE>; #address-cells = <1>; #size-cells = <0>; }; @@ -51,7 +51,7 @@ mcu_spi1: spi@40310000 { reg = <0x0 0x40310000 0x0 0x400>; interrupts = ; clocks = <&k3_clks 143 1>; - power-domains = <&k3_pds 143>; + power-domains = <&k3_pds 143 TI_SCI_PD_EXCLUSIVE>; #address-cells = <1>; #size-cells = <0>; }; @@ -61,7 +61,7 @@ mcu_spi2: spi@40320000 { reg = <0x0 0x40320000 0x0 0x400>; interrupts = ; clocks = <&k3_clks 144 1>; - power-domains = <&k3_pds 144>; + power-domains = <&k3_pds 144 TI_SCI_PD_EXCLUSIVE>; #address-cells = <1>; #size-cells = <0>; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi index 9cf2c0849a24..f4227e2743f2 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi @@ -20,7 +20,7 @@ dmsc: dmsc { k3_pds: power-controller { compatible = "ti,sci-pm-domain"; - #power-domain-cells = <1>; + #power-domain-cells = <2>; }; k3_clks: clocks { @@ -50,7 +50,7 @@ wkup_uart0: serial@42300000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 150>; + power-domains = <&k3_pds 150 TI_SCI_PD_EXCLUSIVE>; }; wkup_i2c0: i2c@42120000 { @@ -61,7 +61,7 @@ wkup_i2c0: i2c@42120000 { #size-cells = <0>; clock-names = "fck"; clocks = <&k3_clks 115 1>; - power-domains = <&k3_pds 115>; + power-domains = <&k3_pds 115 TI_SCI_PD_EXCLUSIVE>; }; intr_wkup_gpio: interrupt-controller2 { diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi index 82edf10b2378..6dfccd5d56c8 100644 --- a/arch/arm64/boot/dts/ti/k3-am65.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi @@ -9,6 +9,7 @@ #include #include #include +#include / { model = "Texas Instruments K3 AM654 SoC"; diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index 52c245d36db9..1102b84f853d 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -151,6 +151,7 @@ &wkup_uart0 { &main_uart0 { pinctrl-names = "default"; pinctrl-0 = <&main_uart0_pins_default>; + power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>; }; &wkup_i2c0 { diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts index c680123f067c..d2894d55fbbe 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts @@ -6,12 +6,49 @@ /dts-v1/; #include "k3-j721e-som-p0.dtsi" +#include +#include / { chosen { stdout-path = "serial2:115200n8"; bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; }; + + gpio_keys: gpio-keys { + compatible = "gpio-keys"; + autorepeat; + pinctrl-names = "default"; + pinctrl-0 = <&sw10_button_pins_default &sw11_button_pins_default>; + + sw10: sw10 { + label = "GPIO Key USER1"; + linux,code = ; + gpios = <&main_gpio0 0 GPIO_ACTIVE_LOW>; + }; + + sw11: sw11 { + label = "GPIO Key USER2"; + linux,code = ; + gpios = <&wkup_gpio0 7 GPIO_ACTIVE_LOW>; + }; + }; +}; + +&main_pmx0 { + sw10_button_pins_default: sw10_button_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0x0, PIN_INPUT, 7) /* (AC18) EXTINTn.GPIO0_0 */ + >; + }; +}; + +&wkup_pmx0 { + sw11_button_pins_default: sw11_button_pins_default { + pinctrl-single,pins = < + J721E_WKUP_IOPAD(0xcc, PIN_INPUT, 7) /* (G28) WKUP_GPIO0_7 */ + >; + }; }; &wkup_uart0 { @@ -19,6 +56,10 @@ &wkup_uart0 { status = "disabled"; }; +&main_uart0 { + power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>; +}; + &main_uart3 { /* UART not brought out */ status = "disabled"; @@ -48,3 +89,31 @@ &main_uart9 { /* UART not brought out */ status = "disabled"; }; + +&main_gpio2 { + status = "disabled"; +}; + +&main_gpio3 { + status = "disabled"; +}; + +&main_gpio4 { + status = "disabled"; +}; + +&main_gpio5 { + status = "disabled"; +}; + +&main_gpio6 { + status = "disabled"; +}; + +&main_gpio7 { + status = "disabled"; +}; + +&wkup_gpio1 { + status = "disabled"; +}; diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi index a01308142f77..698ef9a1d5b7 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi @@ -31,7 +31,7 @@ gic500: interrupt-controller@1800000 { /* vcpumntirq: virtual CPU interface maintenance interrupt */ interrupts = ; - gic_its: gic-its@18200000 { + gic_its: gic-its@1820000 { compatible = "arm,gic-v3-its"; reg = <0x00 0x01820000 0x00 0x10000>; socionext,synquacer-pre-its = <0x1000000 0x400000>; @@ -89,6 +89,12 @@ main_udmass_inta: interrupt-controller@33d00000 { ti,sci-rm-range-vint = <0xa>; ti,sci-rm-range-global-event = <0xd>; }; + + hwspinlock: spinlock@30e00000 { + compatible = "ti,am654-hwspinlock"; + reg = <0x00 0x30e00000 0x00 0x1000>; + #hwlock-cells = <1>; + }; }; secure_proxy_main: mailbox@32c00000 { @@ -119,7 +125,7 @@ main_uart0: serial@2800000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 146>; + power-domains = <&k3_pds 146 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 146 0>; clock-names = "fclk"; }; @@ -132,7 +138,7 @@ main_uart1: serial@2810000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 278>; + power-domains = <&k3_pds 278 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 278 0>; clock-names = "fclk"; }; @@ -145,7 +151,7 @@ main_uart2: serial@2820000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 279>; + power-domains = <&k3_pds 279 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 279 0>; clock-names = "fclk"; }; @@ -158,7 +164,7 @@ main_uart3: serial@2830000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 280>; + power-domains = <&k3_pds 280 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 280 0>; clock-names = "fclk"; }; @@ -171,7 +177,7 @@ main_uart4: serial@2840000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 281>; + power-domains = <&k3_pds 281 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 281 0>; clock-names = "fclk"; }; @@ -184,7 +190,7 @@ main_uart5: serial@2850000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 282>; + power-domains = <&k3_pds 282 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 282 0>; clock-names = "fclk"; }; @@ -197,7 +203,7 @@ main_uart6: serial@2860000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 283>; + power-domains = <&k3_pds 283 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 283 0>; clock-names = "fclk"; }; @@ -210,7 +216,7 @@ main_uart7: serial@2870000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 284>; + power-domains = <&k3_pds 284 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 284 0>; clock-names = "fclk"; }; @@ -223,7 +229,7 @@ main_uart8: serial@2880000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 285>; + power-domains = <&k3_pds 285 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 285 0>; clock-names = "fclk"; }; @@ -236,8 +242,140 @@ main_uart9: serial@2890000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 286>; + power-domains = <&k3_pds 286 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 286 0>; clock-names = "fclk"; }; + + main_gpio0: gpio@600000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x00600000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <105 0>, <105 1>, <105 2>, <105 3>, + <105 4>, <105 5>, <105 6>, <105 7>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <128>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 105 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 105 0>; + clock-names = "gpio"; + }; + + main_gpio1: gpio@601000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x00601000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <106 0>, <106 1>, <106 2>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <36>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 106 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 106 0>; + clock-names = "gpio"; + }; + + main_gpio2: gpio@610000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x00610000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <107 0>, <107 1>, <107 2>, <107 3>, + <107 4>, <107 5>, <107 6>, <107 7>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <128>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 107 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 107 0>; + clock-names = "gpio"; + }; + + main_gpio3: gpio@611000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x00611000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <108 0>, <108 1>, <108 2>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <36>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 108 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 108 0>; + clock-names = "gpio"; + }; + + main_gpio4: gpio@620000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x00620000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <109 0>, <109 1>, <109 2>, <109 3>, + <109 4>, <109 5>, <109 6>, <109 7>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <128>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 109 0>; + clock-names = "gpio"; + }; + + main_gpio5: gpio@621000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x00621000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <110 0>, <110 1>, <110 2>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <36>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 110 0>; + clock-names = "gpio"; + }; + + main_gpio6: gpio@630000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x00630000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <111 0>, <111 1>, <111 2>, <111 3>, + <111 4>, <111 5>, <111 6>, <111 7>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <128>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 111 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 111 0>; + clock-names = "gpio"; + }; + + main_gpio7: gpio@631000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x00631000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <112 0>, <112 1>, <112 2>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <36>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 112 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 112 0>; + clock-names = "gpio"; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi index 07b58eeebceb..555dc7b7aedc 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi @@ -20,7 +20,7 @@ dmsc: dmsc@44083000 { k3_pds: power-controller { compatible = "ti,sci-pm-domain"; - #power-domain-cells = <1>; + #power-domain-cells = <2>; }; k3_clks: clocks { @@ -59,7 +59,7 @@ wkup_uart0: serial@42300000 { interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; - power-domains = <&k3_pds 287>; + power-domains = <&k3_pds 287 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 287 0>; clock-names = "fclk"; }; @@ -72,7 +72,7 @@ mcu_uart0: serial@40a00000 { interrupts = ; clock-frequency = <96000000>; current-speed = <115200>; - power-domains = <&k3_pds 149>; + power-domains = <&k3_pds 149 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 149 0>; clock-names = "fclk"; }; @@ -87,4 +87,38 @@ wkup_gpio_intr: interrupt-controller2 { ti,sci-dst-id = <14>; ti,sci-rm-range-girq = <0x5>; }; + + wkup_gpio0: gpio@42110000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x42110000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&wkup_gpio_intr>; + interrupts = <113 0>, <113 1>, <113 2>, + <113 3>, <113 4>, <113 5>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <84>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 113 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 113 0>; + clock-names = "gpio"; + }; + + wkup_gpio1: gpio@42100000 { + compatible = "ti,j721e-gpio", "ti,keystone-gpio"; + reg = <0x0 0x42100000 0x0 0x100>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&wkup_gpio_intr>; + interrupts = <114 0>, <114 1>, <114 2>, + <114 3>, <114 4>, <114 5>; + interrupt-controller; + #interrupt-cells = <2>; + ti,ngpio = <84>; + ti,davinci-gpio-unbanked = <0>; + power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 114 0>; + clock-names = "gpio"; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/k3-j721e.dtsi index f8dd74b17bfb..43ea1ba97922 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi @@ -8,6 +8,7 @@ #include #include #include +#include / { model = "Texas Instruments K3 J721E SoC"; diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index cdee0b45943d..4126be9e3216 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -635,6 +635,7 @@ static int ti_sci_get_device_state(const struct ti_sci_handle *handle, /** * ti_sci_cmd_get_device() - command to request for device managed by TISCI + * that can be shared with other hosts. * @handle: Pointer to TISCI handle as retrieved by *ti_sci_get_handle * @id: Device Identifier * @@ -642,11 +643,29 @@ static int ti_sci_get_device_state(const struct ti_sci_handle *handle, * usage count by balancing get_device with put_device. No refcounting is * managed by driver for that purpose. * - * NOTE: The request is for exclusive access for the processor. - * * Return: 0 if all went fine, else return appropriate error. */ static int ti_sci_cmd_get_device(const struct ti_sci_handle *handle, u32 id) +{ + return ti_sci_set_device_state(handle, id, 0, + MSG_DEVICE_SW_STATE_ON); +} + +/** + * ti_sci_cmd_get_device_exclusive() - command to request for device managed by + * TISCI that is exclusively owned by the + * requesting host. + * @handle: Pointer to TISCI handle as retrieved by *ti_sci_get_handle + * @id: Device Identifier + * + * Request for the device - NOTE: the client MUST maintain integrity of + * usage count by balancing get_device with put_device. No refcounting is + * managed by driver for that purpose. + * + * Return: 0 if all went fine, else return appropriate error. + */ +static int ti_sci_cmd_get_device_exclusive(const struct ti_sci_handle *handle, + u32 id) { return ti_sci_set_device_state(handle, id, MSG_FLAG_DEVICE_EXCLUSIVE, @@ -665,6 +684,26 @@ static int ti_sci_cmd_get_device(const struct ti_sci_handle *handle, u32 id) * Return: 0 if all went fine, else return appropriate error. */ static int ti_sci_cmd_idle_device(const struct ti_sci_handle *handle, u32 id) +{ + return ti_sci_set_device_state(handle, id, 0, + MSG_DEVICE_SW_STATE_RETENTION); +} + +/** + * ti_sci_cmd_idle_device_exclusive() - Command to idle a device managed by + * TISCI that is exclusively owned by + * requesting host. + * @handle: Pointer to TISCI handle as retrieved by *ti_sci_get_handle + * @id: Device Identifier + * + * Request for the device - NOTE: the client MUST maintain integrity of + * usage count by balancing get_device with put_device. No refcounting is + * managed by driver for that purpose. + * + * Return: 0 if all went fine, else return appropriate error. + */ +static int ti_sci_cmd_idle_device_exclusive(const struct ti_sci_handle *handle, + u32 id) { return ti_sci_set_device_state(handle, id, MSG_FLAG_DEVICE_EXCLUSIVE, @@ -2894,7 +2933,9 @@ static void ti_sci_setup_ops(struct ti_sci_info *info) core_ops->reboot_device = ti_sci_cmd_core_reboot; dops->get_device = ti_sci_cmd_get_device; + dops->get_device_exclusive = ti_sci_cmd_get_device_exclusive; dops->idle_device = ti_sci_cmd_idle_device; + dops->idle_device_exclusive = ti_sci_cmd_idle_device_exclusive; dops->put_device = ti_sci_cmd_put_device; dops->is_valid = ti_sci_cmd_dev_is_valid; diff --git a/drivers/soc/ti/ti_sci_pm_domains.c b/drivers/soc/ti/ti_sci_pm_domains.c index 97817dd7ba24..8c2a2f23982c 100644 --- a/drivers/soc/ti/ti_sci_pm_domains.c +++ b/drivers/soc/ti/ti_sci_pm_domains.c @@ -15,15 +15,19 @@ #include #include #include +#include /** * struct ti_sci_genpd_dev_data: holds data needed for every device attached * to this genpd * @idx: index of the device that identifies it with the system * control processor. + * @exclusive: Permissions for exclusive request or shared request of the + * device. */ struct ti_sci_genpd_dev_data { int idx; + u8 exclusive; }; /** @@ -55,6 +59,14 @@ static int ti_sci_dev_id(struct device *dev) return sci_dev_data->idx; } +static u8 is_ti_sci_dev_exclusive(struct device *dev) +{ + struct generic_pm_domain_data *genpd_data = dev_gpd_data(dev); + struct ti_sci_genpd_dev_data *sci_dev_data = genpd_data->data; + + return sci_dev_data->exclusive; +} + /** * ti_sci_dev_to_sci_handle(): get pointer to ti_sci_handle * @dev: pointer to device associated with this genpd @@ -79,7 +91,10 @@ static int ti_sci_dev_start(struct device *dev) const struct ti_sci_handle *ti_sci = ti_sci_dev_to_sci_handle(dev); int idx = ti_sci_dev_id(dev); - return ti_sci->ops.dev_ops.get_device(ti_sci, idx); + if (is_ti_sci_dev_exclusive(dev)) + return ti_sci->ops.dev_ops.get_device_exclusive(ti_sci, idx); + else + return ti_sci->ops.dev_ops.get_device(ti_sci, idx); } /** @@ -110,7 +125,7 @@ static int ti_sci_pd_attach_dev(struct generic_pm_domain *domain, if (ret < 0) return ret; - if (pd_args.args_count != 1) + if (pd_args.args_count != 1 && pd_args.args_count != 2) return -EINVAL; idx = pd_args.args[0]; @@ -128,6 +143,10 @@ static int ti_sci_pd_attach_dev(struct generic_pm_domain *domain, return -ENOMEM; sci_dev_data->idx = idx; + /* Enable the exclusive permissions by default */ + sci_dev_data->exclusive = TI_SCI_PD_EXCLUSIVE; + if (pd_args.args_count == 2) + sci_dev_data->exclusive = pd_args.args[1] & 0x1; genpd_data = dev_gpd_data(dev); genpd_data->data = sci_dev_data; diff --git a/include/dt-bindings/pinctrl/k3.h b/include/dt-bindings/pinctrl/k3.h index 45e11b6170ca..499de6216581 100644 --- a/include/dt-bindings/pinctrl/k3.h +++ b/include/dt-bindings/pinctrl/k3.h @@ -32,4 +32,7 @@ #define AM65X_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode)) #define AM65X_WKUP_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode)) +#define J721E_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode)) +#define J721E_WKUP_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode)) + #endif diff --git a/include/dt-bindings/soc/ti,sci_pm_domain.h b/include/dt-bindings/soc/ti,sci_pm_domain.h new file mode 100644 index 000000000000..8f2a7360b65e --- /dev/null +++ b/include/dt-bindings/soc/ti,sci_pm_domain.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __DT_BINDINGS_TI_SCI_PM_DOMAIN_H +#define __DT_BINDINGS_TI_SCI_PM_DOMAIN_H + +#define TI_SCI_PD_EXCLUSIVE 1 +#define TI_SCI_PD_SHARED 0 + +#endif /* __DT_BINDINGS_TI_SCI_PM_DOMAIN_H */ diff --git a/include/linux/soc/ti/ti_sci_protocol.h b/include/linux/soc/ti/ti_sci_protocol.h index 6c610e188a44..9531ec823298 100644 --- a/include/linux/soc/ti/ti_sci_protocol.h +++ b/include/linux/soc/ti/ti_sci_protocol.h @@ -97,7 +97,10 @@ struct ti_sci_core_ops { */ struct ti_sci_dev_ops { int (*get_device)(const struct ti_sci_handle *handle, u32 id); + int (*get_device_exclusive)(const struct ti_sci_handle *handle, u32 id); int (*idle_device)(const struct ti_sci_handle *handle, u32 id); + int (*idle_device_exclusive)(const struct ti_sci_handle *handle, + u32 id); int (*put_device)(const struct ti_sci_handle *handle, u32 id); int (*is_valid)(const struct ti_sci_handle *handle, u32 id); int (*get_context_loss_count)(const struct ti_sci_handle *handle,