On Fri, Nov 16, 2018 at 03:56:50PM -0800, Jolly Shah wrote:
> Base firmware node and clock child node binding are part of mainline kernel.
> This patchset adds documentation to describe rest of the firmware child node
> bindings.
> Complete firmware DT node example is shown below for ease of understanding:
Shouldn't there be a fpga mgr node too? Called pcap IIRC.
>
> firmware {
> zynqmp_firmware: zynqmp-firmware {
> compatible = "xlnx,zynqmp-firmware";
> method = "smc";
> #power-domain-cells = <1>;
> #reset-cells = <1>;
>
> zynqmp_clk: clock-controller {
> #clock-cells = <1>;
> compatible = "xlnx,zynqmp-clk";
> clocks = <&pss_ref_clk>, <&video_clk>,
> <&pss_alt_ref_clk>, <&aux_ref_clk>, <>_crx_ref_clk>;
> clock-names = "pss_ref_clk", "video_clk",
> "pss_alt_ref_clk","aux_ref_clk", "gt_crx_ref_clk";
> };
>
> zynqmp_power: zynqmp-power {
> compatible = "xlnx,zynqmp-power";
> interrupts = <0 35 4>;
> };
>
> nvmem_firmware {
> compatible = "xlnx,zynqmp-nvmem-fw";
> #address-cells = <1>;
> #size-cells = <1>;
>
> /* Data cells */
> soc_revision: soc_revision {
> reg = <0x0 0x4>;
> };
> };
>
> afi0: afi0 {
> compatible = "xlnx,afi-fpga";
> config-afi = <0 2>, <1 1>, <2 1>;
> };
>
> qspi: spi@ff0f0000 {
Why is this under firmware node?
> compatible = "xlnx,zynqmp-qspi-1.0";
> clock-names = "ref_clk", "pclk";
> clocks = <&misc_clk &misc_clk>;
> interrupts = <0 15 4>;
> interrupt-parent = <&gic>;
> num-cs = <1>;
> reg = <0x0 0xff0f0000 0x1000>,<0x0 0xc0000000
> 0x8000000>;
> };
>
> serdes: zynqmp_phy@fd400000 {
And this?
> compatible = "xlnx,zynqmp-psgtr";
> status = "okay";
> reg = <0x0 0xfd400000 0x0 0x40000>, <0x0 0xfd3d0000 0x0
> 0x1000>,
> <0x0 0xff5e0000 0x0 0x1000>;
> reg-names = "serdes", "siou", "lpd";
>
> lane0: lane@0 {
> #phy-cells = <4>;
> };
> lane1: lane@1 {
> #phy-cells = <4>;
> };
> lane2: lane@2 {
> #phy-cells = <4>;
> };
> lane3: lane@3 {
> #phy-cells = <4>;
> };
> };
>
> pinctrl_uart1_default: uart1-default {
This goes under a pinctrl node.
> mux {
> groups = "uart0_4_grp";
> function = "uart0";
> };
>
> conf {
> groups = "uart0_4_grp";
> slew-rate = <SLEW_RATE_SLOW>;
> io-standard = <IO_STANDARD_LVCMOS18>;
> };
>
> conf-rx {
> pins = "MIO18";
> bias-high-impedance;
> };
>
> conf-tx {
> pins = "MIO19";
> bias-disable;
> schmitt-cmos = <PIN_INPUT_TYPE_CMOS>;
> };
> };
> zynqmp-r5-remoteproc@0 {
Wrong unit-address and this doesn't belong here.
> compatible = "xlnx,zynqmp-r5-remoteproc-1.0";
'remoteproc' is what the h/w block is called?
> reg = <0x0 0xFFE00000 0x0 0x10000>,
> <0x0 0xFFE20000 0x0 0x10000>,
> <0x0 0xff340000 0x0 0x100>;
> reg-names = "tcm_a", "tcm_b", "ipi";
> dma-ranges;
> core_conf = "split0";
> memory-region = <&rproc_0_fw_reserved>,
> <&rproc_0_dma_reserved>;
> tcm-pnode-id = <0xf>, <0x10>;
> rpu-pnode-id = <0x7>;
> interrupt-parent = <&gic>;
> interrupts = <0 29 4>;
> };
> };
> };
