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Message-ID: <B6ED9520-2945-4181-8C3D-A1AA519248D9@linaro.org>
Date: Fri, 26 Jun 2020 12:50:46 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Cristian Ciocaltea <cristian.ciocaltea@...il.com>,
Andreas Färber <afaerber@...e.de>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>
CC: linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-actions@...ts.infradead.org
Subject: Re: [PATCH 1/3] dt-bindings: pinctrl: Add bindings for Actions S500 SoC
On 26 June 2020 1:46:18 AM IST, Cristian Ciocaltea <cristian.ciocaltea@...il.com> wrote:
>Add pinctrl and gpio bindings for Actions Semi S500 SoC.
>
>Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...il.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@...aro.org>
Feel free to add yourself as co-maintainer since you are the one contributing S500 support.
>+
>+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
4?
Thanks,
Mani
>+
>+ 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@...b0000 {
>+ 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;
>+ };
>+ };
>+ };
>+
>+...
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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