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mipi: rk3368 support power domain - pd_mipi_dsi.

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Signed-off-by: xubilv <xbl@rock-chips.com>
This commit is contained in:
xubilv
2015-03-25 18:03:40 +08:00
committed by Huang, Tao
parent 83e32fc6d7
commit f62320a527
2 changed files with 12 additions and 4 deletions
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4
arch/arm64/boot/dts/rk3368.dtsi
View File

@@ -747,8 +747,8 @@
reg = <0x0 0xff960000 0x0 0x4000>, <0x0 0xff968000 0x0 0x4000>;
reg-names = "mipi_dsi_host" ,"mipi_dsi_phy";
interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk_gates4 14>, <&clk_gates22 10>, <&clk_gates17 3>;
clock-names = "clk_mipi_24m", "pclk_mipi_dsi", "pclk_mipi_dsi_host";
clocks = <&clk_gates4 14>, <&clk_gates22 10>, <&clk_gates17 3>, <&pd_mipidsi>;
clock-names = "clk_mipi_24m", "pclk_mipi_dsi", "pclk_mipi_dsi_host", "pd_mipi_dsi";
status = "okay";
};

12
drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
View File

@@ -442,7 +442,8 @@ static int rk312x_phy_power_up(struct dsi *dsi)
if (dsi->ops.id == DWC_DSI_VERSION_RK312x) {
clk_prepare_enable(dsi->h2p_hclk);
clk_prepare_enable(dsi->dsi_pd);
}
} else
clk_prepare_enable(dsi->dsi_pd);
udelay(10);
@@ -503,7 +504,8 @@ static int rk312x_phy_power_down(struct dsi *dsi)
if (dsi->ops.id == DWC_DSI_VERSION_RK312x) {
clk_disable_unprepare(dsi->h2p_hclk);
clk_disable_unprepare(dsi->dsi_pd);
}
} else
clk_disable_unprepare(dsi->dsi_pd);
return 0;
}
@@ -1748,6 +1750,12 @@ static int rk32_mipi_dsi_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "get pclk_mipi_dsi_host clock fail\n");
return PTR_ERR(dsi->dsi_host_pclk);
}
dsi->dsi_pd = devm_clk_get(&pdev->dev, "pd_mipi_dsi");
if (unlikely(IS_ERR(dsi->dsi_pd))) {
dev_err(&pdev->dev, "get pd_mipi_dsi clock fail\n");
return PTR_ERR(dsi->dsi_pd);
}
}
if (dsi->ops.id == DWC_DSI_VERSION_RK312x) {