154 lines
5.4 KiB
Plaintext
154 lines
5.4 KiB
Plaintext
Qualcomm Technologies, Inc. mdss-rgb
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mdss-rgb is the master RGB device which supports software RGB interface.
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Required properties:
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- compatible: Must be "qcom,mdss-rgb"
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- ranges: The standard property which specifies the child address
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- reg: Base address and length of the different register
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regions(s) required for RGB functionality.
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- reg-names: A list of strings that map in order to the list of regs.
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"dsi_phy" - MDSS DSI PHY register region
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"dsi_phy_regulator" - MDSS DSI PHY REGULATOR region
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"mmss_misc_phys" - Register region for MMSS DSI clamps
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- vdda-supply: Phandle for vdda regulator device node.
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- vddio-supply: Phandle for vddio regulator device node.
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- qcom,mdss-mdp: pHandle that specifies the mdss-mdp device.
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- qcom,mdss-fb-map: pHandle that specifies the framebuffer to which the
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- qcom,platform-reset-gpio: Specifies the panel reset gpio.
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- pinctrl-names: List of names to assign mdss pin states defined in pinctrl device node
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Refer to pinctrl-bindings.txt
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- pinctrl-<0..n>: Lists phandles each pointing to the pin configuration node within a pin
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controller. These pin configurations are installed in the pinctrl
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device node. Refer to pinctrl-bindings.txt
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- qcom,<type>-supply-entries: A node that lists the elements of the supply used by the
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a particular "type" of RGB modulee. The module "types"
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can be "core", "ctrl", and "phy". Within the same type,
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there can be more than one instance of this binding,
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in which case the entry would be appended with the
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supply entry index.
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e.g. qcom,ctrl-supply-entry@0
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-- qcom,supply-name: name of the supply (vdd/vdda/vddio)
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-- qcom,supply-min-voltage: minimum voltage level (uV)
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-- qcom,supply-max-voltage: maximum voltage level (uV)
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-- qcom,supply-enable-load: load drawn (uA) from enabled supply
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-- qcom,supply-disable-load: load drawn (uA) from disabled supply
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-- qcom,supply-ulp-load: load drawn (uA) from supply in ultra-low power mode
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-- qcom,supply-pre-on-sleep: time to sleep (ms) before turning on
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-- qcom,supply-post-on-sleep: time to sleep (ms) after turning on
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-- qcom,supply-pre-off-sleep: time to sleep (ms) before turning off
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-- qcom,supply-post-off-sleep: time to sleep (ms) after turning off
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Example:
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mdss_rgb: qcom,mdss_rgb {
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compatible = "qcom,mdss-rgb";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x1a94400 0x1a94400 0x280
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0x1a94b80 0x1a94b80 0x30
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0x193e000 0x193e000 0x30>;
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reg = <0x1a94400 0x280>,
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<0x1a94b80 0x30>,
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<0x193e000 0x30>;
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reg-names = "dsi_phy",
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"dsi_phy_regulator", "mmss_misc_phys";
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gdsc-supply = <&gdsc_mdss>;
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vdda-1p2-supply = <&pms405_l4>;
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vdda-1p8-supply = <&pms405_l5>;
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vddio-supply = <&pms405_l6>;
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qcom,mdss-fb-map = <&mdss_fb0>;
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qcom,mdss-mdp = <&mdss_mdp>;
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pinctrl-names = "mdss_default", "mdss_sleep";
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pinctrl-0 = <&mdss_rgb_active &mdss_rgb_data0_active
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&mdss_rgb_data1_active &mdss_rgb_data2_active
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&mdss_rgb_data3_active &mdss_rgb_data4_active
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&mdss_rgb_data5_active &mdss_rgb_data_b0_active
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&mdss_rgb_data_b1_active &mdss_rgb_data_b2_active
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&mdss_rgb_data_b3_active &mdss_rgb_data_b4_active
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&mdss_rgb_data_b5_active &mdss_rgb_hsync_active
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&mdss_rgb_vsync_active &mdss_rgb_de_active
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&mdss_rgb_clk_active>;
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pinctrl-1 = <&mdss_rgb_suspend &mdss_rgb_data0_suspend
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&mdss_rgb_data1_suspend &mdss_rgb_data2_suspend
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&mdss_rgb_data3_suspend &mdss_rgb_data4_suspend
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&mdss_rgb_data5_suspend &mdss_rgb_data_b0_suspend
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&mdss_rgb_data_b1_suspend &mdss_rgb_data_b2_suspend
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&mdss_rgb_data_b3_suspend &mdss_rgb_data_b4_suspend
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&mdss_rgb_data_b5_suspend &mdss_rgb_hsync_suspend
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&mdss_rgb_vsync_suspend &mdss_rgb_de_suspend
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&mdss_rgb_clk_suspend>;
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qcom,platform-reset-gpio = <&tlmm 58 0>;
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qcom,core-supply-entries {
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#address-cells = <1>;
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#size-cells = <0>;
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qcom,core-supply-entry@0 {
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reg = <0>;
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qcom,supply-name = "gdsc";
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qcom,supply-min-voltage = <0>;
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qcom,supply-max-voltage = <0>;
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qcom,supply-enable-load = <0>;
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qcom,supply-disable-load = <0>;
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};
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};
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qcom,ctrl-supply-entries {
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#address-cells = <1>;
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#size-cells = <0>;
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qcom,ctrl-supply-entry@0 {
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reg = <0>;
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qcom,supply-name = "vdda-1p2";
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qcom,supply-min-voltage = <1200000>;
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qcom,supply-max-voltage = <1200000>;
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qcom,supply-enable-load = <100000>;
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qcom,supply-disable-load = <100>;
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qcom,supply-post-on-sleep = <20>;
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};
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};
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qcom,phy-supply-entries {
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#address-cells = <1>;
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#size-cells = <0>;
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qcom,phy-supply-entry@0 {
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reg = <0>;
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qcom,supply-name = "vdda-1p8";
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qcom,supply-min-voltage = <1800000>;
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qcom,supply-max-voltage = <1800000>;
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qcom,supply-enable-load = <100000>;
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qcom,supply-disable-load = <100>;
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};
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};
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};
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mdss-rgb-spi is the SPI controller for RGB device which supports control
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commands communication with RGB panel.
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Required properties:
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- compatible: Must be "qcom,mdss-rgb-spi"
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- spi-max-frequency : Maximum SPI clocking speed of device in Hz
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Optional properties:
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- label: A string used to describe the controller used.
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- spi-cpol : Empty property indicating device requires inverse
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clock polarity (CPOL) mode
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- spi-cpha : Empty property indicating device requires shifted
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clock phase (CPHA) mode
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Example:
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mdss_rgb_spi: qcom,mdss_rgb_spi {
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compatible = "qcom,mdss-rgb-spi";
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label = "MDSS SPI QUP1 CLIENT";
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spi-max-frequency = <5000000>;
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}
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