[PATCH 1/3] dt-bindings: pinctrl: Add bindings for Actions S500 SoC

Cristian Ciocaltea
2020-06-25T20:16:33Z

Add pinctrl and gpio bindings for Actions Semi S500 SoC.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
---
.../pinctrl/actions,s500-pinctrl.yaml | 228 ++++++++++++++++++
1 file changed, 228 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..856947c70844
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml
@@ -0,0 +1,228 @@
+# 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@linaro.org>
+
+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:
+ 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:
+ '^.*$':
+ if:
+ type: object
+ then:
+ patternProperties:
+ 'pinmux$':
+ type: object
+ description:
+ Pinctrl node's client devices specify pin muxes using subnodes,
+ which in turn use the standard properties below.
+ $ref: pinmux-node.yaml#
+
+ properties:
+ groups:
+ description:
+ List of gpio pin groups affected by the functions specified in
+ this subnode.
+ items:
+ oneOf:
+ - enum: [lcd0_d18_mfp, rmii_crs_dv_mfp, rmii_txd0_mfp,
+ rmii_txd1_mfp, rmii_txen_mfp, rmii_rxen_mfp,
+ rmii_rxd1_mfp, rmii_rxd0_mfp, rmii_ref_clk_mfp,
+ i2s_d0_mfp, i2s_pcm1_mfp, i2s0_pcm0_mfp, i2s1_pcm0_mfp,
+ i2s_d1_mfp, ks_in2_mfp, ks_in1_mfp, ks_in0_mfp,
+ ks_in3_mfp, ks_out0_mfp, ks_out1_mfp, ks_out2_mfp,
+ lvds_o_pn_mfp, dsi_dn0_mfp, dsi_dp2_mfp, lcd0_d17_mfp,
+ dsi_dp3_mfp, dsi_dn3_mfp, dsi_dp0_mfp, lvds_ee_pn_mfp,
+ spi0_i2c_pcm_mfp, spi0_i2s_pcm_mfp, dsi_dnp1_cp_mfp,
+ lvds_e_pn_mfp, dsi_dn2_mfp, uart2_rtsb_mfp,
+ uart2_ctsb_mfp, uart3_rtsb_mfp, uart3_ctsb_mfp,
+ sd0_d0_mfp, sd0_d1_mfp, sd0_d2_d3_mfp, sd1_d0_d3_mfp,
+ sd0_cmd_mfp, sd0_clk_mfp, sd1_cmd_mfp, uart0_rx_mfp,
+ clko_25m_mfp, csi_cn_cp_mfp, sens0_ckout_mfp,
+ uart0_tx_mfp, i2c0_mfp, csi_dn_dp_mfp, sen0_pclk_mfp,
+ pcm1_in_mfp, pcm1_clk_mfp, pcm1_sync_mfp, pcm1_out_mfp,
+ dnand_data_wr_mfp, dnand_acle_ce0_mfp, nand_ceb2_mfp,
+ nand_ceb3_mfp]
+ minItems: 1
+ maxItems: 32
+
+ function:
+ description:
+ Specify the alternative function to be configured for the
+ given gpio pin groups.
+ enum: [nor, eth_rmii, eth_smii, spi0, spi1, spi2, spi3, sens0,
+ sens1, uart0, uart1, uart2, uart3, uart4, uart5, uart6, i2s0,
+ i2s1, pcm1, pcm0, ks, jtag, pwm0, pwm1, pwm2, pwm3, pwm4, pwm5,
+ p0, sd0, sd1, sd2, i2c0, i2c1, i2c3, dsi, lvds, usb30, clko_25m,
+ mipi_csi, nand, spdif, ts, lcd0]
+
+ required:
+ - groups
+ - function
+
+ additionalProperties: false
+
+ 'pinconf$':
+ 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
+
+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 = <0xe01b0000 0x1000>;
+ clocks = <&cmu 20>;
+ 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>;
+
+ i2c0_default: i2c0_default {
+ pinmux {
+ groups = "i2c0_mfp";
+ function = "i2c0";
+ };
+
+ pinconf {
+ pins = "i2c0_sclk", "i2c0_sdata";
+ bias-pull-up;
+ };
+ };
+ };
+
+...
--
2.27.0