mirror of https://github.com/torvalds/linux.git
dt-bindings: arm: Convert Marvell CP110 System Controller to DT schema
Convert the Marvell CP110 System Controller binding to DT schema format. There's not any specific compatible for the whole block which is a separate problem, so just the child nodes are documented. Only the pinctrl and clock child nodes need to be converted as the GPIO node already has a schema. Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://patch.msgid.link/20251022165509.3917655-2-robh@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Rob Herring (Arm)
parent
e544bc7548
commit
45a8d350e7
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Marvell Armada CP110 System Controller
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======================================
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The CP110 is one of the two core HW blocks of the Marvell Armada 7K/8K
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SoCs. It contains system controllers, which provide several registers
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giving access to numerous features: clocks, pin-muxing and many other
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SoC configuration items. This DT binding allows to describe these
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system controllers.
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For the top level node:
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- compatible: must be: "syscon", "simple-mfd";
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- reg: register area of the CP110 system controller
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SYSTEM CONTROLLER 0
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===================
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Clocks:
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-------
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The Device Tree node representing this System Controller 0 provides a
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number of clocks:
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- a set of core clocks
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- a set of gateable clocks
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Those clocks can be referenced by other Device Tree nodes using two
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cells:
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- The first cell must be 0 or 1. 0 for the core clocks and 1 for the
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gateable clocks.
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- The second cell identifies the particular core clock or gateable
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clocks.
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The following clocks are available:
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- Core clocks
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- 0 0 APLL
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- 0 1 PPv2 core
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- 0 2 EIP
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- 0 3 Core
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- 0 4 NAND core
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- 0 5 SDIO core
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- Gateable clocks
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- 1 0 Audio
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- 1 1 Comm Unit
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- 1 2 NAND
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- 1 3 PPv2
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- 1 4 SDIO
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- 1 5 MG Domain
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- 1 6 MG Core
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- 1 7 XOR1
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- 1 8 XOR0
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- 1 9 GOP DP
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- 1 11 PCIe x1 0
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- 1 12 PCIe x1 1
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- 1 13 PCIe x4
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- 1 14 PCIe / XOR
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- 1 15 SATA
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- 1 16 SATA USB
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- 1 17 Main
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- 1 18 SD/MMC/GOP
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- 1 21 Slow IO (SPI, NOR, BootROM, I2C, UART)
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- 1 22 USB3H0
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- 1 23 USB3H1
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- 1 24 USB3 Device
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- 1 25 EIP150
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- 1 26 EIP197
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Required properties:
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- compatible: must be:
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"marvell,cp110-clock"
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- #clock-cells: must be set to 2
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Pinctrl:
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--------
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For common binding part and usage, refer to the file
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Documentation/devicetree/bindings/pinctrl/marvell,mvebu-pinctrl.txt.
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Required properties:
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- compatible: "marvell,armada-7k-pinctrl", "marvell,armada-8k-cpm-pinctrl",
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"marvell,armada-8k-cps-pinctrl" or "marvell,cp115-standalone-pinctrl"
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depending on the specific variant of the SoC being used.
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Available mpp pins/groups and functions:
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Note: brackets (x) are not part of the mpp name for marvell,function and given
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only for more detailed description in this document.
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name pins functions
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================================================================================
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mpp0 0 gpio, dev(ale1), au(i2smclk), ge0(rxd3), tdm(pclk), ptp(pulse), mss_i2c(sda), uart0(rxd), sata0(present_act), ge(mdio)
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mpp1 1 gpio, dev(ale0), au(i2sdo_spdifo), ge0(rxd2), tdm(drx), ptp(clk), mss_i2c(sck), uart0(txd), sata1(present_act), ge(mdc)
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mpp2 2 gpio, dev(ad15), au(i2sextclk), ge0(rxd1), tdm(dtx), mss_uart(rxd), ptp(pclk_out), i2c1(sck), uart1(rxd), sata0(present_act), xg(mdc)
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mpp3 3 gpio, dev(ad14), au(i2slrclk), ge0(rxd0), tdm(fsync), mss_uart(txd), pcie(rstoutn), i2c1(sda), uart1(txd), sata1(present_act), xg(mdio)
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mpp4 4 gpio, dev(ad13), au(i2sbclk), ge0(rxctl), tdm(rstn), mss_uart(rxd), uart1(cts), pcie0(clkreq), uart3(rxd), ge(mdc)
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mpp5 5 gpio, dev(ad12), au(i2sdi), ge0(rxclk), tdm(intn), mss_uart(txd), uart1(rts), pcie1(clkreq), uart3(txd), ge(mdio)
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mpp6 6 gpio, dev(ad11), ge0(txd3), spi0(csn2), au(i2sextclk), sata1(present_act), pcie2(clkreq), uart0(rxd), ptp(pulse)
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mpp7 7 gpio, dev(ad10), ge0(txd2), spi0(csn1), spi1(csn1), sata0(present_act), led(data), uart0(txd), ptp(clk)
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mpp8 8 gpio, dev(ad9), ge0(txd1), spi0(csn0), spi1(csn0), uart0(cts), led(stb), uart2(rxd), ptp(pclk_out), synce1(clk)
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mpp9 9 gpio, dev(ad8), ge0(txd0), spi0(mosi), spi1(mosi), pcie(rstoutn), synce2(clk)
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mpp10 10 gpio, dev(readyn), ge0(txctl), spi0(miso), spi1(miso), uart0(cts), sata1(present_act)
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mpp11 11 gpio, dev(wen1), ge0(txclkout), spi0(clk), spi1(clk), uart0(rts), led(clk), uart2(txd), sata0(present_act)
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mpp12 12 gpio, dev(clk_out), nf(rbn1), spi1(csn1), ge0(rxclk)
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mpp13 13 gpio, dev(burstn), nf(rbn0), spi1(miso), ge0(rxctl), mss_spi(miso)
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mpp14 14 gpio, dev(bootcsn), dev(csn0), spi1(csn0), spi0(csn3), au(i2sextclk), spi0(miso), sata0(present_act), mss_spi(csn)
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mpp15 15 gpio, dev(ad7), spi1(mosi), spi0(mosi), mss_spi(mosi), ptp(pulse_cp2cp)
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mpp16 16 gpio, dev(ad6), spi1(clk), mss_spi(clk)
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mpp17 17 gpio, dev(ad5), ge0(txd3)
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mpp18 18 gpio, dev(ad4), ge0(txd2), ptp(clk_cp2cp)
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mpp19 19 gpio, dev(ad3), ge0(txd1), wakeup(out_cp2cp)
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mpp20 20 gpio, dev(ad2), ge0(txd0)
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mpp21 21 gpio, dev(ad1), ge0(txctl), sei(in_cp2cp)
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mpp22 22 gpio, dev(ad0), ge0(txclkout), wakeup(in_cp2cp)
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mpp23 23 gpio, dev(a1), au(i2smclk), link(rd_in_cp2cp)
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mpp24 24 gpio, dev(a0), au(i2slrclk)
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mpp25 25 gpio, dev(oen), au(i2sdo_spdifo)
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mpp26 26 gpio, dev(wen0), au(i2sbclk)
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mpp27 27 gpio, dev(csn0), spi1(miso), mss_gpio4, ge0(rxd3), spi0(csn4), ge(mdio), sata0(present_act), uart0(rts), rei(in_cp2cp)
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mpp28 28 gpio, dev(csn1), spi1(csn0), mss_gpio5, ge0(rxd2), spi0(csn5), pcie2(clkreq), ptp(pulse), ge(mdc), sata1(present_act), uart0(cts), led(data)
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mpp29 29 gpio, dev(csn2), spi1(mosi), mss_gpio6, ge0(rxd1), spi0(csn6), pcie1(clkreq), ptp(clk), mss_i2c(sda), sata0(present_act), uart0(rxd), led(stb)
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mpp30 30 gpio, dev(csn3), spi1(clk), mss_gpio7, ge0(rxd0), spi0(csn7), pcie0(clkreq), ptp(pclk_out), mss_i2c(sck), sata1(present_act), uart0(txd), led(clk)
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mpp31 31 gpio, dev(a2), mss_gpio4, pcie(rstoutn), ge(mdc)
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mpp32 32 gpio, mii(col), mii(txerr), mss_spi(miso), tdm(drx), au(i2sextclk), au(i2sdi), ge(mdio), sdio(v18_en), pcie1(clkreq), mss_gpio0
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mpp33 33 gpio, mii(txclk), sdio(pwr10), mss_spi(csn), tdm(fsync), au(i2smclk), sdio(bus_pwr), xg(mdio), pcie2(clkreq), mss_gpio1
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mpp34 34 gpio, mii(rxerr), sdio(pwr11), mss_spi(mosi), tdm(dtx), au(i2slrclk), sdio(wr_protect), ge(mdc), pcie0(clkreq), mss_gpio2
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mpp35 35 gpio, sata1(present_act), i2c1(sda), mss_spi(clk), tdm(pclk), au(i2sdo_spdifo), sdio(card_detect), xg(mdio), ge(mdio), pcie(rstoutn), mss_gpio3
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mpp36 36 gpio, synce2(clk), i2c1(sck), ptp(clk), synce1(clk), au(i2sbclk), sata0(present_act), xg(mdc), ge(mdc), pcie2(clkreq), mss_gpio5
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mpp37 37 gpio, uart2(rxd), i2c0(sck), ptp(pclk_out), tdm(intn), mss_i2c(sck), sata1(present_act), ge(mdc), xg(mdc), pcie1(clkreq), mss_gpio6, link(rd_out_cp2cp)
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mpp38 38 gpio, uart2(txd), i2c0(sda), ptp(pulse), tdm(rstn), mss_i2c(sda), sata0(present_act), ge(mdio), xg(mdio), au(i2sextclk), mss_gpio7, ptp(pulse_cp2cp)
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mpp39 39 gpio, sdio(wr_protect), au(i2sbclk), ptp(clk), spi0(csn1), sata1(present_act), mss_gpio0
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mpp40 40 gpio, sdio(pwr11), synce1(clk), mss_i2c(sda), au(i2sdo_spdifo), ptp(pclk_out), spi0(clk), uart1(txd), ge(mdio), sata0(present_act), mss_gpio1
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mpp41 41 gpio, sdio(pwr10), sdio(bus_pwr), mss_i2c(sck), au(i2slrclk), ptp(pulse), spi0(mosi), uart1(rxd), ge(mdc), sata1(present_act), mss_gpio2, rei(out_cp2cp)
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mpp42 42 gpio, sdio(v18_en), sdio(wr_protect), synce2(clk), au(i2smclk), mss_uart(txd), spi0(miso), uart1(cts), xg(mdc), sata0(present_act), mss_gpio4
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mpp43 43 gpio, sdio(card_detect), synce1(clk), au(i2sextclk), mss_uart(rxd), spi0(csn0), uart1(rts), xg(mdio), sata1(present_act), mss_gpio5, wakeup(out_cp2cp)
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mpp44 44 gpio, ge1(txd2), uart0(rts), ptp(clk_cp2cp)
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mpp45 45 gpio, ge1(txd3), uart0(txd), pcie(rstoutn)
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mpp46 46 gpio, ge1(txd1), uart1(rts)
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mpp47 47 gpio, ge1(txd0), spi1(clk), uart1(txd), ge(mdc)
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mpp48 48 gpio, ge1(txctl_txen), spi1(mosi), xg(mdc), wakeup(in_cp2cp)
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mpp49 49 gpio, ge1(txclkout), mii(crs), spi1(miso), uart1(rxd), ge(mdio), pcie0(clkreq), sdio(v18_en), sei(out_cp2cp)
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mpp50 50 gpio, ge1(rxclk), mss_i2c(sda), spi1(csn0), uart2(txd), uart0(rxd), xg(mdio), sdio(pwr11)
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mpp51 51 gpio, ge1(rxd0), mss_i2c(sck), spi1(csn1), uart2(rxd), uart0(cts), sdio(pwr10)
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mpp52 52 gpio, ge1(rxd1), synce1(clk), synce2(clk), spi1(csn2), uart1(cts), led(clk), pcie(rstoutn), pcie0(clkreq)
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mpp53 53 gpio, ge1(rxd2), ptp(clk), spi1(csn3), uart1(rxd), led(stb), sdio(led)
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mpp54 54 gpio, ge1(rxd3), synce2(clk), ptp(pclk_out), synce1(clk), led(data), sdio(hw_rst), sdio_wp(wr_protect)
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mpp55 55 gpio, ge1(rxctl_rxdv), ptp(pulse), sdio(led), sdio_cd(card_detect)
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mpp56 56 gpio, tdm(drx), au(i2sdo_spdifo), spi0(clk), uart1(rxd), sata1(present_act), sdio(clk)
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mpp57 57 gpio, mss_i2c(sda), ptp(pclk_out), tdm(intn), au(i2sbclk), spi0(mosi), uart1(txd), sata0(present_act), sdio(cmd)
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mpp58 58 gpio, mss_i2c(sck), ptp(clk), tdm(rstn), au(i2sdi), spi0(miso), uart1(cts), led(clk), sdio(d0)
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mpp59 59 gpio, mss_gpio7, synce2(clk), tdm(fsync), au(i2slrclk), spi0(csn0), uart0(cts), led(stb), uart1(txd), sdio(d1)
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mpp60 60 gpio, mss_gpio6, ptp(pulse), tdm(dtx), au(i2smclk), spi0(csn1), uart0(rts), led(data), uart1(rxd), sdio(d2)
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mpp61 61 gpio, mss_gpio5, ptp(clk), tdm(pclk), au(i2sextclk), spi0(csn2), uart0(txd), uart2(txd), sata1(present_act), ge(mdio), sdio(d3)
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mpp62 62 gpio, mss_gpio4, synce1(clk), ptp(pclk_out), sata1(present_act), spi0(csn3), uart0(rxd), uart2(rxd), sata0(present_act), ge(mdc)
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GPIO:
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-----
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For common binding part and usage, refer to
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Documentation/devicetree/bindings/gpio/gpio-mvebu.yaml.
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Required properties:
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- compatible: "marvell,armada-8k-gpio"
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- offset: offset address inside the syscon block
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Example:
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CP110_LABEL(syscon0): system-controller@440000 {
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compatible = "syscon", "simple-mfd";
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reg = <0x440000 0x1000>;
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CP110_LABEL(clk): clock {
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compatible = "marvell,cp110-clock";
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#clock-cells = <2>;
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};
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CP110_LABEL(pinctrl): pinctrl {
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compatible = "marvell,armada-8k-cpm-pinctrl";
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};
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CP110_LABEL(gpio1): gpio@100 {
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compatible = "marvell,armada-8k-gpio";
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offset = <0x100>;
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ngpios = <32>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&CP110_LABEL(pinctrl) 0 0 32>;
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};
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};
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@ -0,0 +1,70 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/clock/marvell,cp110-clock.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Marvell Armada CP110 System Controller Clocks
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maintainers:
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- Gregory Clement <gregory.clement@bootlin.com>
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- Miquel Raynal <miquel.raynal@bootlin.com>
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description: >
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The CP110 is one of the two core HW blocks of the Marvell Armada 7K/8K/931x
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SoCs. It contains system controllers, which provide several registers giving
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access to numerous features: clocks, pin-muxing and many other SoC
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configuration items.
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properties:
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compatible:
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const: marvell,cp110-clock
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"#clock-cells":
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const: 2
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description: >
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The first cell must be 0 or 1. 0 for the core clocks and 1 for the
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gateable clocks. The second cell identifies the particular core clock or
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gateable clocks.
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The following clocks are available:
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- Core clocks
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- 0 0 APLL
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- 0 1 PPv2 core
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- 0 2 EIP
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- 0 3 Core
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- 0 4 NAND core
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- 0 5 SDIO core
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- Gateable clocks
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- 1 0 Audio
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- 1 1 Comm Unit
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- 1 2 NAND
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- 1 3 PPv2
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- 1 4 SDIO
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- 1 5 MG Domain
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- 1 6 MG Core
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- 1 7 XOR1
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- 1 8 XOR0
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- 1 9 GOP DP
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- 1 11 PCIe x1 0
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- 1 12 PCIe x1 1
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- 1 13 PCIe x4
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- 1 14 PCIe / XOR
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- 1 15 SATA
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- 1 16 SATA USB
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- 1 17 Main
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- 1 18 SD/MMC/GOP
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- 1 21 Slow IO (SPI, NOR, BootROM, I2C, UART)
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- 1 22 USB3H0
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- 1 23 USB3H1
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- 1 24 USB3 Device
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||||||
|
- 1 25 EIP150
|
||||||
|
- 1 26 EIP197
|
||||||
|
|
||||||
|
required:
|
||||||
|
- compatible
|
||||||
|
- "#clock-cells"
|
||||||
|
|
||||||
|
additionalProperties: false
|
||||||
|
|
@ -0,0 +1,72 @@
|
||||||
|
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
|
||||||
|
%YAML 1.2
|
||||||
|
---
|
||||||
|
$id: http://devicetree.org/schemas/pinctrl/marvell,armada-7k-pinctrl.yaml#
|
||||||
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||||
|
|
||||||
|
title: Marvell Armada 7K/8K pin controller
|
||||||
|
|
||||||
|
maintainers:
|
||||||
|
- Gregory Clement <gregory.clement@bootlin.com>
|
||||||
|
- Miquel Raynal <miquel.raynal@bootlin.com>
|
||||||
|
|
||||||
|
properties:
|
||||||
|
compatible:
|
||||||
|
enum:
|
||||||
|
- marvell,armada-7k-pinctrl
|
||||||
|
- marvell,armada-8k-cpm-pinctrl
|
||||||
|
- marvell,armada-8k-cps-pinctrl
|
||||||
|
- marvell,cp115-standalone-pinctrl
|
||||||
|
|
||||||
|
reg:
|
||||||
|
maxItems: 1
|
||||||
|
|
||||||
|
patternProperties:
|
||||||
|
'-pins(-.+)?$':
|
||||||
|
type: object
|
||||||
|
additionalProperties: false
|
||||||
|
|
||||||
|
properties:
|
||||||
|
marvell,function:
|
||||||
|
$ref: /schemas/types.yaml#/definitions/string
|
||||||
|
description:
|
||||||
|
Indicates the function to select.
|
||||||
|
enum: [
|
||||||
|
au, dev, ge, ge0, ge1, gpio, i2c0, i2c1, led, link, mii, mss_gpio0,
|
||||||
|
mss_gpio1, mss_gpio2, mss_gpio3, mss_gpio4, mss_gpio5, mss_gpio6,
|
||||||
|
mss_gpio7, mss_i2c, mss_spi, mss_uart, nf, pcie, pcie0, pcie1, pcie2,
|
||||||
|
ptp, rei, sata0, sata1, sdio, sdio_cd, sdio_wp, sei, spi0, spi1,
|
||||||
|
synce1, synce2, tdm, uart0, uart1, uart2, uart3, wakeup, xg
|
||||||
|
]
|
||||||
|
|
||||||
|
marvell,pins:
|
||||||
|
$ref: /schemas/types.yaml#/definitions/string-array
|
||||||
|
description:
|
||||||
|
Array of MPP pins to be used for the given function.
|
||||||
|
minItems: 1
|
||||||
|
maxItems: 63
|
||||||
|
items:
|
||||||
|
pattern: '^mpp([1-5]?[0-9]|6[0-2])$'
|
||||||
|
|
||||||
|
allOf:
|
||||||
|
- $ref: pinctrl.yaml#
|
||||||
|
|
||||||
|
required:
|
||||||
|
- compatible
|
||||||
|
|
||||||
|
additionalProperties: false
|
||||||
|
|
||||||
|
examples:
|
||||||
|
- |
|
||||||
|
pinctrl {
|
||||||
|
compatible = "marvell,armada-7k-pinctrl";
|
||||||
|
|
||||||
|
nand_pins: nand-pins {
|
||||||
|
marvell,pins =
|
||||||
|
"mpp15", "mpp16", "mpp17", "mpp18",
|
||||||
|
"mpp19", "mpp20", "mpp21", "mpp22",
|
||||||
|
"mpp23", "mpp24", "mpp25", "mpp26",
|
||||||
|
"mpp27";
|
||||||
|
marvell,function = "dev";
|
||||||
|
};
|
||||||
|
};
|
||||||
Loading…
Reference in New Issue