On Mon, Aug 03, 2020 at 05:20:54PM +0300, Cristian Ciocaltea wrote: > Add pinctrl and gpio bindings for Actions Semi S500 SoC. > > Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx> > --- > Changes in v2: > - Added myself to the list of maintainers, per Mani's suggestion > - Added a description item for each of the four register ranges, > per Rob's feedback > - Renamed the pin nodes and got rid of the if/then hack in the > patternProperties,according to Rob's suggestion > - Added a missing 'additionalProperties: false' line > - Updated the example with the new node names and the split > register range > > .../pinctrl/actions,s500-pinctrl.yaml | 240 ++++++++++++++++++ > 1 file changed, 240 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml > > diff --git a/Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml > new file mode 100644 > index 000000000000..33391d30c00c > --- /dev/null > +++ b/Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml > @@ -0,0 +1,240 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pinctrl/actions,s500-pinctrl.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Actions Semi S500 SoC pinmux & GPIO controller > + > +maintainers: > + - Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > + - Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx> > + > +description: | > + Pinmux & GPIO controller manages pin multiplexing & configuration including > + GPIO function selection & GPIO attributes configuration. Please refer to > + pinctrl-bindings.txt in this directory for common binding part and usage. > + > +properties: > + compatible: > + const: actions,s500-pinctrl > + > + reg: > + items: > + - description: GPIO Output + GPIO Input + GPIO Data > + - description: Multiplexing Control > + - description: PAD Pull Control + PAD Schmitt Trigger Enable + PAD Control > + - description: PAD Drive Capacity Select > + minItems: 1 > + maxItems: 4 > + > + clocks: > + maxItems: 1 > + > + gpio-controller: true > + > + gpio-ranges: > + maxItems: 1 > + > + '#gpio-cells': > + description: > + Specifies the pin number and flags, as defined in > + include/dt-bindings/gpio/gpio.h > + const: 2 > + > + interrupt-controller: true > + > + '#interrupt-cells': > + description: > + Specifies the pin number and flags, as defined in > + include/dt-bindings/interrupt-controller/irq.h > + const: 2 > + > + interrupts: > + description: > + One interrupt per each of the 5 GPIO ports supported by the controller, > + sorted by port number ascending order. > + minItems: 5 > + maxItems: 5 > + > +patternProperties: > + '-pins$': > + type: object > + patternProperties: > + '^(.*-)?pinmux$': > + type: object > + description: > + Pinctrl node's client devices specify pin muxes using subnodes, > + which in turn use the standard properties below. > + $ref: pinmux-node.yaml# > + > + properties: > + groups: > + description: > + List of gpio pin groups affected by the functions specified in > + this subnode. > + items: > + oneOf: You don't need oneOf with only 1 entry. With that and the other 2 cases fixed, Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > + - enum: [lcd0_d18_mfp, rmii_crs_dv_mfp, rmii_txd0_mfp, > + rmii_txd1_mfp, rmii_txen_mfp, rmii_rxen_mfp, rmii_rxd1_mfp, > + rmii_rxd0_mfp, rmii_ref_clk_mfp, i2s_d0_mfp, i2s_pcm1_mfp, > + i2s0_pcm0_mfp, i2s1_pcm0_mfp, i2s_d1_mfp, ks_in2_mfp, > + ks_in1_mfp, ks_in0_mfp, ks_in3_mfp, ks_out0_mfp, > + ks_out1_mfp, ks_out2_mfp, lvds_o_pn_mfp, dsi_dn0_mfp, > + dsi_dp2_mfp, lcd0_d17_mfp, dsi_dp3_mfp, dsi_dn3_mfp, > + dsi_dp0_mfp, lvds_ee_pn_mfp, spi0_i2c_pcm_mfp, > + spi0_i2s_pcm_mfp, dsi_dnp1_cp_mfp, lvds_e_pn_mfp, > + dsi_dn2_mfp, uart2_rtsb_mfp, uart2_ctsb_mfp, uart3_rtsb_mfp, > + uart3_ctsb_mfp, sd0_d0_mfp, sd0_d1_mfp, sd0_d2_d3_mfp, > + sd1_d0_d3_mfp, sd0_cmd_mfp, sd0_clk_mfp, sd1_cmd_mfp, > + uart0_rx_mfp, clko_25m_mfp, csi_cn_cp_mfp, sens0_ckout_mfp, > + uart0_tx_mfp, i2c0_mfp, csi_dn_dp_mfp, sen0_pclk_mfp, > + pcm1_in_mfp, pcm1_clk_mfp, pcm1_sync_mfp, pcm1_out_mfp, > + dnand_data_wr_mfp, dnand_acle_ce0_mfp, nand_ceb2_mfp, > + nand_ceb3_mfp] > + minItems: 1 > + maxItems: 32 > + > + function: > + description: > + Specify the alternative function to be configured for the > + given gpio pin groups. > + enum: [nor, eth_rmii, eth_smii, spi0, spi1, spi2, spi3, sens0, > + sens1, uart0, uart1, uart2, uart3, uart4, uart5, uart6, i2s0, > + i2s1, pcm1, pcm0, ks, jtag, pwm0, pwm1, pwm2, pwm3, pwm4, pwm5, > + p0, sd0, sd1, sd2, i2c0, i2c1, i2c3, dsi, lvds, usb30, clko_25m, > + mipi_csi, nand, spdif, ts, lcd0] > + > + required: > + - groups > + - function > + > + additionalProperties: false > + > + '^(.*-)?pinconf$': > + type: object > + description: > + Pinctrl node's client devices specify pin configurations using > + subnodes, which in turn use the standard properties below. > + $ref: pincfg-node.yaml# > + > + properties: > + groups: > + description: > + List of gpio pin groups affected by the drive-strength property > + specified in this subnode. > + items: > + oneOf: > + - enum: [sirq_drv, rmii_txd01_txen_drv, rmii_rxer_drv, > + rmii_crs_drv, rmii_rxd10_drv, rmii_ref_clk_drv, > + smi_mdc_mdio_drv, i2s_d0_drv, i2s_bclk0_drv, i2s3_drv, > + i2s13_drv, pcm1_drv, ks_in_drv, ks_out_drv, lvds_all_drv, > + lcd_dsi_drv, dsi_drv, sd0_d0_d3_drv, sd1_d0_d3_drv, > + sd0_cmd_drv, sd0_clk_drv, sd1_cmd_drv, sd1_clk_drv, > + spi0_all_drv, uart0_rx_drv, uart0_tx_drv, uart2_all_drv, > + i2c0_all_drv, i2c12_all_drv, sens0_pclk_drv, > + sens0_ckout_drv, uart3_all_drv] > + minItems: 1 > + maxItems: 32 > + > + pins: > + description: > + List of gpio pins affected by the bias-pull-* and > + input-schmitt-* properties specified in this subnode. > + items: > + oneOf: > + - enum: [dnand_dqs, dnand_dqsn, eth_txd0, eth_txd1, eth_txen, > + eth_rxer, eth_crs_dv, eth_rxd1, eth_rxd0, eth_ref_clk, > + eth_mdc, eth_mdio, sirq0, sirq1, sirq2, i2s_d0, i2s_bclk0, > + i2s_lrclk0, i2s_mclk0, i2s_d1, i2s_bclk1, i2s_lrclk1, > + i2s_mclk1, ks_in0, ks_in1, ks_in2, ks_in3, ks_out0, ks_out1, > + ks_out2, lvds_oep, lvds_oen, lvds_odp, lvds_odn, lvds_ocp, > + lvds_ocn, lvds_obp, lvds_obn, lvds_oap, lvds_oan, lvds_eep, > + lvds_een, lvds_edp, lvds_edn, lvds_ecp, lvds_ecn, lvds_ebp, > + lvds_ebn, lvds_eap, lvds_ean, lcd0_d18, lcd0_d17, dsi_dp3, > + dsi_dn3, dsi_dp1, dsi_dn1, dsi_cp, dsi_cn, dsi_dp0, dsi_dn0, > + dsi_dp2, dsi_dn2, sd0_d0, sd0_d1, sd0_d2, sd0_d3, sd1_d0, > + sd1_d1, sd1_d2, sd1_d3, sd0_cmd, sd0_clk, sd1_cmd, sd1_clk, > + spi0_sclk, spi0_ss, spi0_miso, spi0_mosi, uart0_rx, > + uart0_tx, i2c0_sclk, i2c0_sdata, sensor0_pclk, > + sensor0_ckout, dnand_ale, dnand_cle, dnand_ceb0, dnand_ceb1, > + dnand_ceb2, dnand_ceb3, uart2_rx, uart2_tx, uart2_rtsb, > + uart2_ctsb, uart3_rx, uart3_tx, uart3_rtsb, uart3_ctsb, > + pcm1_in, pcm1_clk, pcm1_sync, pcm1_out, i2c1_sclk, > + i2c1_sdata, i2c2_sclk, i2c2_sdata, csi_dn0, csi_dp0, > + csi_dn1, csi_dp1, csi_dn2, csi_dp2, csi_dn3, csi_dp3, > + csi_cn, csi_cp, dnand_d0, dnand_d1, dnand_d2, dnand_d3, > + dnand_d4, dnand_d5, dnand_d6, dnand_d7, dnand_rb, dnand_rdb, > + dnand_rdbn, dnand_wrb, porb, clko_25m, bsel, pkg0, pkg1, > + pkg2, pkg3] > + minItems: 1 > + maxItems: 64 > + > + bias-pull-up: true > + bias-pull-down: true > + > + drive-strength: > + description: > + Selects the drive strength for the specified pins, in mA. > + enum: [2, 4, 8, 12] > + > + input-schmitt-enable: true > + input-schmitt-disable: true > + > + additionalProperties: false > + > + additionalProperties: false > + > +required: > + - compatible > + - reg > + - clocks > + - gpio-controller > + - gpio-ranges > + - '#gpio-cells' > + - interrupt-controller > + - '#interrupt-cells' > + - interrupts > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + pinctrl: pinctrl@b01b0000 { > + compatible = "actions,s500-pinctrl"; > + reg = <0xb01b0000 0x40>, <0xb01b0040 0x10>, > + <0xb01b0060 0x18>, <0xb01b0080 0xc>; > + clocks = <&cmu 55>; > + gpio-controller; > + gpio-ranges = <&pinctrl 0 0 132>; > + #gpio-cells = <2>; > + interrupt-controller; > + #interrupt-cells = <2>; > + interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>; > + > + mmc0_pins: mmc0-pins { > + pinmux { > + groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp", > + "sd0_cmd_mfp", "sd0_clk_mfp"; > + function = "sd0"; > + }; > + > + drv-pinconf { > + groups = "sd0_d0_d3_drv", "sd0_cmd_drv", "sd0_clk_drv"; > + drive-strength = <8>; > + }; > + > + bias-pinconf { > + pins = "sd0_d0", "sd0_d1", "sd0_d2", > + "sd0_d3", "sd0_cmd"; > + bias-pull-up; > + }; > + }; > + }; > + > +... > -- > 2.28.0 >
