On 11/09/2012 09:20 PM, Thierry Reding wrote:
> This commit adds the host1x node along with its children to the Tegra30
> DTSI. Furthermore the OF auxiliary data table is updated to have proper
> names assigned to the platform devices instantiated from the device
> tree. Moreover, the clocks required by host1x and the two display
> controllers are setup and initialized.
>
> Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/tegra30.dtsi | 87 +++++++++++++++++++++++++++++++
> arch/arm/mach-tegra/board-dt-tegra30.c | 10 ++++
> arch/arm/mach-tegra/tegra30_clocks_data.c | 11 ++--
> 3 files changed, 104 insertions(+), 4 deletions(-)
>
...
>
> diff --git a/arch/arm/mach-tegra/tegra30_clocks_data.c b/arch/arm/mach-tegra/tegra30_clocks_data.c
> index 7bc8b1d..210b8a4 100644
> --- a/arch/arm/mach-tegra/tegra30_clocks_data.c
> +++ b/arch/arm/mach-tegra/tegra30_clocks_data.c
> @@ -1132,14 +1132,14 @@ PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX
> PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET);
> PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT);
> PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT);
> -PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT);
> +PERIPH_CLK(host1x, "tegra-host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT);
> PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
> PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
> PERIPH_CLK(dtv, "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0);
> -PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71);
> +PERIPH_CLK(hdmi, "tegra-hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71);
> PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
> -PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8);
> -PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8);
> +PERIPH_CLK(disp1, "tegra-dc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8);
> +PERIPH_CLK(disp2, "tegra-dc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8);
> PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
> PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
> PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
> @@ -1337,6 +1337,9 @@ struct clk_duplicate tegra_clk_duplicates[] = {
> CLK_DUPLICATE("pll_p_out3", "tegra-i2c.2", "fast-clk"),
> CLK_DUPLICATE("pll_p_out3", "tegra-i2c.3", "fast-clk"),
> CLK_DUPLICATE("pll_p_out3", "tegra-i2c.4", "fast-clk"),
> + CLK_DUPLICATE("pll_p", "tegra-dc.0", "parent"),
> + CLK_DUPLICATE("pll_p", "tegra-dc.1", "parent"),
> + CLK_DUPLICATE("pll_d2_out0", "tegra-hdmi", "parent"),
> };
Why we need this? Set the parent of "tegra-dc.0" & "tegra-dc.1" to "pll_p"?
Mark
>
> struct clk *tegra_ptr_clks[] = {
> --
> 1.8.0
>
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