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Message-Id: <20180924221748.21584-4-bjorn.andersson@linaro.org>
Date: Mon, 24 Sep 2018 15:17:47 -0700
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>
Cc: linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/4] dt-bindings: pinctrl: qcom: Add QCS404 pinctrl binding
Add the binding for the TLMM pinctrl block found in the QCS404 platform.
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
Changes since v1:
- Dropped leading 0 in node address
.../bindings/pinctrl/qcom,qcs404-pinctrl.txt | 200 ++++++++++++++++++
1 file changed, 200 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.txt
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.txt
new file mode 100644
index 000000000000..74da0dfcd2c1
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.txt
@@ -0,0 +1,200 @@
+Qualcomm QCS404 TLMM block
+
+This binding describes the Top Level Mode Multiplexer block found in the
+QCS404 platform.
+
+- compatible:
+ Usage: required
+ Value type: <string>
+ Definition: must be "qcom,qcs404-pinctrl"
+
+- reg:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: the base address and size of the north, south and east TLMM
+ tiles.
+
+- reg-names:
+ Usage: required
+ Value type: <stringlist>
+ Defintiion: names for the cells of reg, must contain "north", "south"
+ and "east".
+
+- interrupts:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: should specify the TLMM summary IRQ.
+
+- interrupt-controller:
+ Usage: required
+ Value type: <none>
+ Definition: identifies this node as an interrupt controller
+
+- #interrupt-cells:
+ Usage: required
+ Value type: <u32>
+ Definition: must be 2. Specifying the pin number and flags, as defined
+ in <dt-bindings/interrupt-controller/irq.h>
+
+- gpio-controller:
+ Usage: required
+ Value type: <none>
+ Definition: identifies this node as a gpio controller
+
+- #gpio-cells:
+ Usage: required
+ Value type: <u32>
+ Definition: must be 2. Specifying the pin number and flags, as defined
+ in <dt-bindings/gpio/gpio.h>
+
+- gpio-ranges:
+ Usage: required
+ Definition: see ../gpio/gpio.txt
+
+Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for
+a general description of GPIO and interrupt bindings.
+
+Please refer to pinctrl-bindings.txt in this directory for details of the
+common pinctrl bindings used by client devices, including the meaning of the
+phrase "pin configuration node".
+
+The pin configuration nodes act as a container for an arbitrary number of
+subnodes. Each of these subnodes represents some desired configuration for a
+pin, a group, or a list of pins or groups. This configuration can include the
+mux function to select on those pin(s)/group(s), and various pin configuration
+parameters, such as pull-up, drive strength, etc.
+
+
+PIN CONFIGURATION NODES:
+
+The name of each subnode is not important; all subnodes should be enumerated
+and processed purely based on their content.
+
+Each subnode only affects those parameters that are explicitly listed. In
+other words, a subnode that lists a mux function but no pin configuration
+parameters implies no information about any pin configuration parameters.
+Similarly, a pin subnode that describes a pullup parameter implies no
+information about e.g. the mux function.
+
+
+The following generic properties as defined in pinctrl-bindings.txt are valid
+to specify in a pin configuration subnode:
+
+- pins:
+ Usage: required
+ Value type: <string-array>
+ Definition: List of gpio pins affected by the properties specified in
+ this subnode.
+
+ Valid pins are:
+ gpio0-gpio119
+ Supports mux, bias and drive-strength
+
+ sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd,
+ sdc2_data
+ Supports bias and drive-strength
+
+ ufs_reset
+ Supports bias and drive-strength
+
+- function:
+ Usage: required
+ Value type: <string>
+ Definition: Specify the alternative function to be configured for the
+ specified pins. Functions are only valid for gpio pins.
+ Valid values are:
+
+ gpio, hdmi_tx, hdmi_ddc, blsp_uart_tx_a2, blsp_spi2, m_voc,
+ qdss_cti_trig_in_a0, blsp_uart_rx_a2, qdss_tracectl_a,
+ blsp_uart2, aud_cdc, blsp_i2c_sda_a2, qdss_tracedata_a,
+ blsp_i2c_scl_a2, qdss_tracectl_b, qdss_cti_trig_in_b0,
+ blsp_uart1, blsp_spi_mosi_a1, blsp_spi_miso_a1,
+ qdss_tracedata_b, blsp_i2c1, blsp_spi_cs_n_a1, gcc_plltest,
+ blsp_spi_clk_a1, rgb_data0, blsp_uart5, blsp_spi5,
+ adsp_ext, rgb_data1, prng_rosc, rgb_data2, blsp_i2c5,
+ gcc_gp1_clk_b, rgb_data3, gcc_gp2_clk_b, blsp_spi0,
+ blsp_uart0, gcc_gp3_clk_b, blsp_i2c0, qdss_traceclk_b,
+ pcie_clk, nfc_irq, blsp_spi4, nfc_dwl, audio_ts, rgb_data4,
+ spi_lcd, blsp_uart_tx_b2, gcc_gp3_clk_a, rgb_data5,
+ blsp_uart_rx_b2, blsp_i2c_sda_b2, blsp_i2c_scl_b2,
+ pwm_led11, i2s_3_data0_a, ebi2_lcd, i2s_3_data1_a,
+ i2s_3_data2_a, atest_char, pwm_led3, i2s_3_data3_a,
+ pwm_led4, i2s_4, ebi2_a, dsd_clk_b, pwm_led5, pwm_led6,
+ pwm_led7, pwm_led8, pwm_led24, spkr_dac0, blsp_i2c4,
+ pwm_led9, pwm_led10, spdifrx_opt, pwm_led12, pwm_led13,
+ pwm_led14, wlan1_adc1, rgb_data_b0, pwm_led15,
+ blsp_spi_mosi_b1, wlan1_adc0, rgb_data_b1, pwm_led16,
+ blsp_spi_miso_b1, qdss_cti_trig_out_b0, wlan2_adc1,
+ rgb_data_b2, pwm_led17, blsp_spi_cs_n_b1, wlan2_adc0,
+ rgb_data_b3, pwm_led18, blsp_spi_clk_b1, rgb_data_b4,
+ pwm_led19, ext_mclk1_b, qdss_traceclk_a, rgb_data_b5,
+ pwm_led20, atest_char3, i2s_3_sck_b, ldo_update, bimc_dte0,
+ rgb_hsync, pwm_led21, i2s_3_ws_b, dbg_out, rgb_vsync,
+ i2s_3_data0_b, ldo_en, hdmi_dtest, rgb_de, i2s_3_data1_b,
+ hdmi_lbk9, rgb_clk, atest_char1, i2s_3_data2_b, ebi_cdc,
+ hdmi_lbk8, rgb_mdp, atest_char0, i2s_3_data3_b, hdmi_lbk7,
+ rgb_data_b6, rgb_data_b7, hdmi_lbk6, rgmii_int, cri_trng1,
+ rgmii_wol, cri_trng0, gcc_tlmm, rgmii_ck, rgmii_tx,
+ hdmi_lbk5, hdmi_pixel, hdmi_rcv, hdmi_lbk4, rgmii_ctl,
+ ext_lpass, rgmii_rx, cri_trng, hdmi_lbk3, hdmi_lbk2,
+ qdss_cti_trig_out_b1, rgmii_mdio, hdmi_lbk1, rgmii_mdc,
+ hdmi_lbk0, ir_in, wsa_en, rgb_data6, rgb_data7,
+ atest_char2, ebi_ch0, blsp_uart3, blsp_spi3, sd_write,
+ blsp_i2c3, gcc_gp1_clk_a, qdss_cti_trig_in_b1,
+ gcc_gp2_clk_a, ext_mclk0, mclk_in1, i2s_1, dsd_clk_a,
+ qdss_cti_trig_in_a1, rgmi_dll1, pwm_led22, pwm_led23,
+ qdss_cti_trig_out_a0, rgmi_dll2, pwm_led1,
+ qdss_cti_trig_out_a1, pwm_led2, i2s_2, pll_bist,
+ ext_mclk1_a, mclk_in2, bimc_dte1, i2s_3_sck_a, i2s_3_ws_a
+
+- bias-disable:
+ Usage: optional
+ Value type: <none>
+ Definition: The specified pins should be configued as no pull.
+
+- bias-pull-down:
+ Usage: optional
+ Value type: <none>
+ Definition: The specified pins should be configued as pull down.
+
+- bias-pull-up:
+ Usage: optional
+ Value type: <none>
+ Definition: The specified pins should be configued as pull up.
+
+- output-high:
+ Usage: optional
+ Value type: <none>
+ Definition: The specified pins are configured in output mode, driven
+ high.
+ Not valid for sdc pins.
+
+- output-low:
+ Usage: optional
+ Value type: <none>
+ Definition: The specified pins are configured in output mode, driven
+ low.
+ Not valid for sdc pins.
+
+- drive-strength:
+ Usage: optional
+ Value type: <u32>
+ Definition: Selects the drive strength for the specified pins, in mA.
+ Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16
+
+Example:
+
+ tlmm: pinctrl@...0000 {
+ compatible = "qcom,qcs404-pinctrl";
+ reg = <0x01000000 0x200000>,
+ <0x01300000 0x200000>,
+ <0x07b00000 0x200000>;
+ reg-names = "south", "north", "east";
+ interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&tlmm 0 0 120>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
--
2.18.0
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