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    SubjectRe: [PATCH 2/2] ARM: tegra: Add Tegra30 host1x support
    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@avionic-design.de>
    > ---
    > 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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