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Message-ID: <20190617063732.GA18010@mani>
Date: Mon, 17 Jun 2019 12:07:32 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Vinod Koul <vkoul@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
linux-arm-msm@...r.kernel.org,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Prasad Sodagudi <psodagud@...eaurora.org>,
Andy Gross <agross@...nel.org>,
David Brown <david.brown@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
"Isaac J . Manjarres" <isaacm@...eaurora.org>
Subject: Re: [PATCH 1/2] dt-bindings: pinctrl: qcom: Add SM8150 pinctrl
binding
Hey Vinod,
On Fri, Jun 14, 2019 at 11:00:31AM +0530, Vinod Koul wrote:
> From: Prasad Sodagudi <psodagud@...eaurora.org>
>
> Add the binding for the TLMM pinctrl block found in the SM8150 platform.
>
> Signed-off-by: Prasad Sodagudi <psodagud@...eaurora.org>
> Signed-off-by: Isaac J. Manjarres <isaacm@...eaurora.org>
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
> .../bindings/pinctrl/qcom,sm8150-pinctrl | 200 ++++++++++++++++++
Looks like you missed the .txt extension for binding :-)
Regards,
Mani
> 1 file changed, 200 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl b/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl
> new file mode 100644
> index 000000000000..4f21d18b0be2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl
> @@ -0,0 +1,200 @@
> +Qualcomm SM8150 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,sm8150-pinctrl"
> +
> +- reg:
> + Usage: required
> + Value type: <prop-encoded-array>
> + Definition: the base address and size of the north, south , west
> + and east TLMM tiles.
> +
> +- reg-names:
> + Usage: required
> + Value type: <prop-encoded-array>
> + Defintiion: names for the cells of reg, must contain "north", "south"
> + "west" 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>
> +
> +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-gpio149
> + Supports mux, bias and drive-strength
> +
> + sdc1_clk, sdc1_cmd, sdc1_data sdc2_clk, sdc2_cmd,
> + sdc2_data sdc1_rclk
> + 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:
> +
> + blsp_uart1, blsp_spi1, blsp_i2c1, blsp_uim1, atest_tsens,
> + bimc_dte1, dac_calib0, blsp_spi8, blsp_uart8, blsp_uim8,
> + qdss_cti_trig_out_b, bimc_dte0, dac_calib1, qdss_cti_trig_in_b,
> + dac_calib2, atest_tsens2, atest_usb1, blsp_spi10, blsp_uart10,
> + blsp_uim10, atest_bbrx1, atest_usb13, atest_bbrx0, atest_usb12,
> + mdp_vsync, edp_lcd, blsp_i2c10, atest_gpsadc1, atest_usb11,
> + atest_gpsadc0, edp_hot, atest_usb10, m_voc, dac_gpio, atest_char,
> + cam_mclk, pll_bypassnl, qdss_stm7, blsp_i2c8, qdss_tracedata_b,
> + pll_reset, qdss_stm6, qdss_stm5, qdss_stm4, atest_usb2, cci_i2c,
> + qdss_stm3, dac_calib3, atest_usb23, atest_char3, dac_calib4,
> + qdss_stm2, atest_usb22, atest_char2, qdss_stm1, dac_calib5,
> + atest_usb21, atest_char1, dbg_out, qdss_stm0, dac_calib6,
> + atest_usb20, atest_char0, dac_calib10, qdss_stm10,
> + qdss_cti_trig_in_a, cci_timer4, blsp_spi6, blsp_uart6, blsp_uim6,
> + blsp2_spi, qdss_stm9, qdss_cti_trig_out_a, dac_calib11,
> + qdss_stm8, cci_timer0, qdss_stm13, dac_calib7, cci_timer1,
> + qdss_stm12, dac_calib8, cci_timer2, blsp1_spi, qdss_stm11,
> + dac_calib9, cci_timer3, cci_async, dac_calib12, blsp_i2c6,
> + qdss_tracectl_a, dac_calib13, qdss_traceclk_a, dac_calib14,
> + dac_calib15, hdmi_rcv, dac_calib16, hdmi_cec, pwr_modem,
> + dac_calib17, hdmi_ddc, pwr_nav, dac_calib18, pwr_crypto,
> + dac_calib19, hdmi_hot, dac_calib20, dac_calib21, pci_e0,
> + dac_calib22, dac_calib23, dac_calib24, tsif1_sync, dac_calib25,
> + sd_write, tsif1_error, blsp_spi2, blsp_uart2, blsp_uim2,
> + qdss_cti, blsp_i2c2, blsp_spi3, blsp_uart3, blsp_uim3, blsp_i2c3,
> + uim3, blsp_spi9, blsp_uart9, blsp_uim9, blsp10_spi, blsp_i2c9,
> + blsp_spi7, blsp_uart7, blsp_uim7, qdss_tracedata_a, blsp_i2c7,
> + qua_mi2s, gcc_gp1_clk_a, ssc_irq, uim4, blsp_spi11, blsp_uart11,
> + blsp_uim11, gcc_gp2_clk_a, gcc_gp3_clk_a, blsp_i2c11, cri_trng0,
> + cri_trng1, cri_trng, qdss_stm18, pri_mi2s, qdss_stm17, blsp_spi4,
> + blsp_uart4, blsp_uim4, qdss_stm16, qdss_stm15, blsp_i2c4,
> + qdss_stm14, dac_calib26, spkr_i2s, audio_ref, lpass_slimbus,
> + isense_dbg, tsense_pwm1, tsense_pwm2, btfm_slimbus, ter_mi2s,
> + qdss_stm22, qdss_stm21, qdss_stm20, qdss_stm19, gcc_gp1_clk_b,
> + sec_mi2s, blsp_spi5, blsp_uart5, blsp_uim5, gcc_gp2_clk_b,
> + gcc_gp3_clk_b, blsp_i2c5, blsp_spi12, blsp_uart12, blsp_uim12,
> + qdss_stm25, qdss_stm31, blsp_i2c12, qdss_stm30, qdss_stm29,
> + tsif1_clk, qdss_stm28, tsif1_en, tsif1_data, sdc4_cmd, qdss_stm27,
> + qdss_traceclk_b, tsif2_error, sdc43, vfr_1, qdss_stm26, tsif2_clk,
> + sdc4_clk, qdss_stm24, tsif2_en, sdc42, qdss_stm23, qdss_tracectl_b,
> + sd_card, tsif2_data, sdc41, tsif2_sync, sdc40, mdp_vsync_p_b,
> + ldo_en, mdp_vsync_s_b, ldo_update, blsp11_uart_tx_b, blsp11_uart_rx_b,
> + blsp11_i2c_sda_b, prng_rosc, blsp11_i2c_scl_b, uim2, uim1, uim_batt,
> + pci_e2, pa_indicator, adsp_ext, ddr_bist, qdss_tracedata_11,
> + qdss_tracedata_12, modem_tsync, nav_dr, nav_pps, pci_e1, gsm_tx,
> + qspi_cs, ssbi2, ssbi1, mss_lte, qspi_clk, qspi0, qspi1, qspi2, qspi3,
> + gpio
> +
> +- 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,sm8150-pinctrl";
> + reg = <0x03100000 0x300000>,
> + <0x03500000 0x300000>,
> + <0x03900000 0x300000>,
> + <0x03D00000 0x300000>;
> + reg-names = "west", "east", "north", "south";
> + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> --
> 2.20.1
>
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