* Sathya Prakash M R <sathyap@xxxxxx> [131203 00:35]:
> Add device node for DSS module for AM4372. Both the
> AM437x-Gp evm and Am43x-Epos evm use the same LCD panel.
> The lcd timings are added in respective dts files.
> Adds display pinctrl and enables required gpio.
> Also set the right parent clock to the DSS clock.
This seems to depend on Tomi's patches for the bindings, so it seems
like we need to wait on this a bit. I'll untag this for now, please
repost when the dependencies are merged.
Regards,
Tony
> Signed-off-by: Sathya Prakash M R <sathyap@xxxxxx>
> ---
> arch/arm/boot/dts/am4372.dtsi | 28 ++++++++++++++
> arch/arm/boot/dts/am437x-gp-evm.dts | 68 ++++++++++++++++++++++++++++++++++
> arch/arm/boot/dts/am43x-epos-evm.dts | 64 ++++++++++++++++++++++++++++++++
> arch/arm/boot/dts/am43xx-clocks.dtsi | 2 +
> 4 files changed, 162 insertions(+)
>
> diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
> index ea55a4e..b72a7df 100644
> --- a/arch/arm/boot/dts/am4372.dtsi
> +++ b/arch/arm/boot/dts/am4372.dtsi
> @@ -684,6 +684,34 @@
> num-cs = <4>;
> status = "disabled";
> };
> +
> + dss: dss@4832A000 {
> + compatible = "ti,omap3-dss", "simple-bus";
> + reg = <0x4832A000 0x200>;
> + ti,hwmods = "dss_core";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + dispc@4832A400 {
> + compatible = "ti,omap3-dispc";
> + reg = <0x4832A400 0x400>;
> + interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
> + ti,hwmods = "dss_dispc";
> + };
> +
> + dpi: encoder@0 {
> + compatible = "ti,omap3-dpi";
> + };
> +
> + rfbi: rfbi@4832A800 {
> + compatible = "ti,omap3-rfbi";
> + reg = <0x4832A800 0x100>;
> + ti,hwmods = "dss_rfbi";
> + };
> +
> + };
> +
> };
>
> clocks {
> diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
> index 2e79bda..e58652c6 100644
> --- a/arch/arm/boot/dts/am437x-gp-evm.dts
> +++ b/arch/arm/boot/dts/am437x-gp-evm.dts
> @@ -24,6 +24,31 @@
> brightness-levels = <0 51 53 56 62 75 101 152 255>;
> default-brightness-level = <8>;
> };
> +
> + aliases {
> + display0 = &lcd0;
> + };
> +
> + lcd0: display@0 {
> + compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
> + video-source = <&dpi>;
> + data-lines = <24>;
> + panel-timing {
> + clock-frequency = <33000000>;
> + hactive = <800>;
> + vactive = <480>;
> + hfront-porch = <210>;
> + hback-porch = <16>;
> + hsync-len = <30>;
> + vback-porch = <10>;
> + vfront-porch = <22>;
> + vsync-len = <13>;
> + hsync-active = <0>;
> + vsync-active = <0>;
> + de-active = <1>;
> + pixelclk-active = <1>;
> + };
> + };
> };
>
> &am43xx_pinmux {
> @@ -46,6 +71,40 @@
> 0x164 MUX_MODE0 /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
> >;
> };
> +
> + dss_pinctrl: dss_pinctrl {
> + pinctrl-single,pins = <
> + 0x020 (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 8 -> DSS DATA 23 */
> + 0x024 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x028 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x02C (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x030 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x034 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x038 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x03C (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 15 -> DSS DATA 16 */
> + 0x0A0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 0 */
> + 0x0A4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0A8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0AC (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0B0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0B4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0B8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0BC (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0C0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0C4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0C8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0CC (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0D0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0D4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0D8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0DC (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 15 */
> + 0x0E0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS VSYNC */
> + 0x0E4 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS HSYNC */
> + 0x0E8 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS PCLK */
> + 0x0EC (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS AC BIAS EN */
> + 0x238 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* GPIO 5_8 to select LCD / HDMI */
> + >;
> + };
> };
>
> &i2c0 {
> @@ -69,3 +128,12 @@
> pinctrl-names = "default";
> pinctrl-0 = <&ecap0_pins>;
> };
> +
> +&gpio5 {
> + status = "okay";
> +};
> +
> +&dpi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&dss_pinctrl>;
> +};
> diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
> index 2ebcde6..20e5415 100644
> --- a/arch/arm/boot/dts/am43x-epos-evm.dts
> +++ b/arch/arm/boot/dts/am43x-epos-evm.dts
> @@ -27,6 +27,31 @@
> enable-active-high;
> };
>
> + aliases {
> + display0 = &lcd0;
> + };
> +
> + lcd0: display@0 {
> + compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
> + video-source = <&dpi>;
> + data-lines = <24>;
> + panel-timing {
> + clock-frequency = <33000000>;
> + hactive = <800>;
> + vactive = <480>;
> + hfront-porch = <210>;
> + hback-porch = <16>;
> + hsync-len = <30>;
> + vback-porch = <10>;
> + vfront-porch = <22>;
> + vsync-len = <13>;
> + hsync-active = <0>;
> + vsync-active = <0>;
> + de-active = <1>;
> + pixelclk-active = <1>;
> + };
> + };
> +
> am43xx_pinmux: pinmux@44e10800 {
> cpsw_default: cpsw_default {
> pinctrl-single,pins = <
> @@ -122,6 +147,40 @@
> 0x19c (PIN_OUTPUT | MUX_MODE3) /* mcasp0_ahclkr.spi1_cs0 */
> >;
> };
> +
> + dss_pinctrl: dss_pinctrl {
> + pinctrl-single,pins = <
> + 0x020 (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 8 -> DSS DATA 23 */
> + 0x024 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x028 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x02C (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x030 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x034 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x038 (PIN_OUTPUT_PULLUP | MUX_MODE1)
> + 0x03C (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 15 -> DSS DATA 16 */
> + 0x0A0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 0 */
> + 0x0A4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0A8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0AC (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0B0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0B4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0B8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0BC (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0C0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0C4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0C8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0CC (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0D0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0D4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0D8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
> + 0x0DC (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 15 */
> + 0x0E0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS VSYNC */
> + 0x0E4 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS HSYNC */
> + 0x0E8 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS PCLK */
> + 0x0EC (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS AC BIAS EN */
> + 0x08C (PIN_OUTPUT_PULLUP | MUX_MODE7) /* GPMC CLK -> GPIO 2_1 to select LCD / HDMI */
> + >;
> + };
> };
>
> matrix_keypad: matrix_keypad@0 {
> @@ -279,3 +338,8 @@
> pinctrl-0 = <&spi1_pins>;
> status = "okay";
> };
> +
> +&dpi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&dss_pinctrl>;
> +};
> diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
> index 85e7d4b..b20e192 100644
> --- a/arch/arm/boot/dts/am43xx-clocks.dtsi
> +++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
> @@ -512,6 +512,8 @@ disp_clk: disp_clk@44df4244 {
> compatible = "ti,mux-clock";
> clocks = <&dpll_disp_m2_ck>, <&dpll_core_m5_ck>, <&dpll_per_m2_ck>;
> reg = <0x44df4244 0x4>;
> + bit-mask = <0x3>;
> + set-rate-parent;
> };
>
> dpll_extdev_ck: dpll_extdev_ck@44df2e60 {
> --
> 1.7.9.5
>
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