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Date: Tue, 13 Nov 2012 15:45:52 +0800
From: Mark Zhang <markz@...dia.com>
To: Thierry Reding <thierry.reding@...onic-design.de>
CC: Stephen Warren <swarren@...dotorg.org>,
"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [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@...onic-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/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
> index b8e33c3..529fdb8 100644
> --- a/arch/arm/boot/dts/tegra30.dtsi
> +++ b/arch/arm/boot/dts/tegra30.dtsi
> @@ -4,6 +4,93 @@
> compatible = "nvidia,tegra30";
> interrupt-parent = <&intc>;
>
> + host1x {
> + compatible = "nvidia,tegra30-host1x", "simple-bus";
> + reg = <0x50000000 0x00024000>;
> + interrupts = <0 65 0x04 /* mpcore syncpt */
> + 0 67 0x04>; /* mpcore general */
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + ranges = <0x54000000 0x54000000 0x04000000>;
> +
> + mpe {
> + compatible = "nvidia,tegra30-mpe";
> + reg = <0x54040000 0x00040000>;
> + interrupts = <0 68 0x04>;
> + };
> +
> + vi {
> + compatible = "nvidia,tegra30-vi";
> + reg = <0x54080000 0x00040000>;
> + interrupts = <0 69 0x04>;
> + };
> +
> + epp {
> + compatible = "nvidia,tegra30-epp";
> + reg = <0x540c0000 0x00040000>;
> + interrupts = <0 70 0x04>;
> + };
> +
> + isp {
> + compatible = "nvidia,tegra30-isp";
> + reg = <0x54100000 0x00040000>;
> + interrupts = <0 71 0x04>;
> + };
> +
> + gr2d {
> + compatible = "nvidia,tegra30-gr2d";
> + reg = <0x54140000 0x00040000>;
> + interrupts = <0 72 0x04>;
> + };
> +
> + gr3d {
> + compatible = "nvidia,tegra30-gr3d";
> + reg = <0x54180000 0x00040000>;
> + };
> +
> + dc@...00000 {
> + compatible = "nvidia,tegra30-dc";
> + reg = <0x54200000 0x00040000>;
> + interrupts = <0 73 0x04>;
> +
> + rgb {
> + status = "disabled";
> + };
> + };
> +
> + dc@...40000 {
> + compatible = "nvidia,tegra30-dc";
> + reg = <0x54240000 0x00040000>;
> + interrupts = <0 74 0x04>;
> +
> + rgb {
> + status = "disabled";
> + };
> + };
> +
> + hdmi {
> + compatible = "nvidia,tegra30-hdmi";
> + reg = <0x54280000 0x00040000>;
> + interrupts = <0 75 0x04>;
> + status = "disabled";
> + };
> +
> + tvo {
> + compatible = "nvidia,tegra30-tvo";
> + reg = <0x542c0000 0x00040000>;
> + interrupts = <0 76 0x04>;
> + status = "disabled";
> + };
> +
> + dsi {
> + compatible = "nvidia,tegra30-dsi";
> + reg = <0x54300000 0x00040000>;
> + status = "disabled";
> + };
> + };
> +
> timer@...04600 {
> compatible = "arm,cortex-a9-twd-timer";
> reg = <0x50040600 0x20>;
> diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c
> index cd30338..ff21107 100644
> --- a/arch/arm/mach-tegra/board-dt-tegra30.c
> +++ b/arch/arm/mach-tegra/board-dt-tegra30.c
> @@ -57,6 +57,12 @@ struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = {
> OF_DEV_AUXDATA("nvidia,tegra30-slink", 0x7000DA00, "spi_tegra.3", NULL),
> OF_DEV_AUXDATA("nvidia,tegra30-slink", 0x7000DC00, "spi_tegra.4", NULL),
> OF_DEV_AUXDATA("nvidia,tegra30-slink", 0x7000DE00, "spi_tegra.5", NULL),
> + OF_DEV_AUXDATA("nvidia,tegra30-host1x", 0x50000000, "tegra-host1x", NULL),
> + OF_DEV_AUXDATA("nvidia,tegra30-dc", 0x54200000, "tegra-dc.0", NULL),
> + OF_DEV_AUXDATA("nvidia,tegra30-dc", 0x54240000, "tegra-dc.1", NULL),
> + OF_DEV_AUXDATA("nvidia,tegra30-hdmi", 0x54280000, "tegra-hdmi", NULL),
> + OF_DEV_AUXDATA("nvidia,tegra30-dsi", 0x54300000, "tegra-dsi", NULL),
> + OF_DEV_AUXDATA("nvidia,tegra30-tvo", 0x542c0000, "tegra-tvo", NULL),
> {}
> };
>
> @@ -82,6 +88,10 @@ static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = {
> { "sbc4", "pll_p", 100000000, false},
> { "sbc5", "pll_p", 100000000, false},
> { "sbc6", "pll_p", 100000000, false},
> + { "host1x", "pll_c", 144000000, false},
> + { "disp1", "pll_p", 74000000, false},
> + { "disp2", "pll_d2_out0", 148500000, false},
> + { "hdmi", "pll_d2_out0", 148500000, false},
> { NULL, NULL, 0, 0},
> };
>
> 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"),
> };
The tegra-dc.1's parent should be pll_d2_out0.
>
> struct clk *tegra_ptr_clks[] = {
> --
> 1.8.0
>
> --
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