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authorMarek Szyprowski <m.szyprowski@samsung.com>2017-01-30 11:57:36 +0100
committerKrzysztof Kozlowski <krzk@kernel.org>2017-01-31 21:37:51 +0200
commitd1160ebff1fea7ac7f6e6533b43144d377b56e6f (patch)
tree3debe3010c8ab4ca15f91c151ab6846b6f5d52ff /arch/arm64/boot/dts/exynos
parent67707c78f592590c83604d37e709f2e5218a5ac0 (diff)
arm64: dts: exynos: Add initial configuration for DISP clocks for TM2/TM2e
Add initial clock configuration for display subsystem for Exynos5433 based TM2/TM2e boards in device tree in order to avoid dependency on the configuration left by the bootloader. This initial configuration is also needed to ensure that display subsystem is operational if display power domain gets turned off before clock controller is probed and the inital clock configuration left by the bootloader saved. TM2 and TM2e uses different rate for DISP PLL clock, but for better maintainability all 'assigned-clocks-*' properties for DISP CMU are defines in each board dts instead of redefining the rates property. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/exynos')
-rw-r--r--arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi12
-rw-r--r--arch/arm64/boot/dts/exynos/exynos5433-tm2.dts34
-rw-r--r--arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts34
3 files changed, 68 insertions, 12 deletions
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
index 53fd0683d400..098ad557fee3 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
@@ -217,18 +217,6 @@
assigned-clock-parents = <&cmu_top CLK_FOUT_AUD_PLL>;
};
-&cmu_disp {
- assigned-clocks = <&cmu_mif CLK_MOUT_SCLK_DECON_TV_ECLK_A>,
- <&cmu_mif CLK_DIV_SCLK_DECON_TV_ECLK>,
- <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK_USER>,
- <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK>;
- assigned-clock-parents = <&cmu_mif CLK_MOUT_BUS_PLL_DIV2>,
- <0>,
- <&cmu_mif CLK_SCLK_DECON_TV_ECLK_DISP>,
- <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK_USER>;
- assigned-clock-rates = <0>, <400000000>;
-};
-
&cmu_fsys {
assigned-clocks = <&cmu_top CLK_MOUT_SCLK_USBDRD30>,
<&cmu_top CLK_MOUT_SCLK_USBHOST30>,
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index ddba2f889326..dea0a6f5bc18 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -18,6 +18,40 @@
compatible = "samsung,tm2", "samsung,exynos5433";
};
+&cmu_disp {
+ /*
+ * TM2 and TM2e differ only by DISP_PLL rate, but define all assigned
+ * clocks properties for DISP CMU for each board to keep them together
+ * for easier review and maintenance.
+ */
+ assigned-clocks = <&cmu_disp CLK_FOUT_DISP_PLL>,
+ <&cmu_mif CLK_DIV_SCLK_DECON_TV_ECLK>,
+ <&cmu_disp CLK_MOUT_ACLK_DISP_333_USER>,
+ <&cmu_disp CLK_MOUT_SCLK_DSIM0_USER>,
+ <&cmu_disp CLK_MOUT_SCLK_DSIM0>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_ECLK_USER>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_ECLK>,
+ <&cmu_disp CLK_MOUT_PHYCLK_MIPIDPHY0_RXCLKESC0_USER>,
+ <&cmu_disp CLK_MOUT_PHYCLK_MIPIDPHY0_BITCLKDIV8_USER>,
+ <&cmu_disp CLK_MOUT_DISP_PLL>,
+ <&cmu_mif CLK_MOUT_SCLK_DECON_TV_ECLK_A>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK_USER>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK>;
+ assigned-clock-parents = <0>, <0>,
+ <&cmu_mif CLK_ACLK_DISP_333>,
+ <&cmu_mif CLK_SCLK_DSIM0_DISP>,
+ <&cmu_disp CLK_MOUT_SCLK_DSIM0_USER>,
+ <&cmu_mif CLK_SCLK_DECON_ECLK_DISP>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_ECLK_USER>,
+ <&cmu_disp CLK_PHYCLK_MIPIDPHY0_RXCLKESC0_PHY>,
+ <&cmu_disp CLK_PHYCLK_MIPIDPHY0_BITCLKDIV8_PHY>,
+ <&cmu_disp CLK_FOUT_DISP_PLL>,
+ <&cmu_mif CLK_MOUT_BUS_PLL_DIV2>,
+ <&cmu_mif CLK_SCLK_DECON_TV_ECLK_DISP>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK_USER>;
+ assigned-clock-rates = <250000000>, <400000000>;
+};
+
&hsi2c_9 {
status = "okay";
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
index 2fbf3a860316..7891a31adc17 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
@@ -18,6 +18,40 @@
compatible = "samsung,tm2e", "samsung,exynos5433";
};
+&cmu_disp {
+ /*
+ * TM2 and TM2e differ only by DISP_PLL rate, but define all assigned
+ * clocks properties for DISP CMU for each board to keep them together
+ * for easier review and maintenance.
+ */
+ assigned-clocks = <&cmu_disp CLK_FOUT_DISP_PLL>,
+ <&cmu_mif CLK_DIV_SCLK_DECON_TV_ECLK>,
+ <&cmu_disp CLK_MOUT_ACLK_DISP_333_USER>,
+ <&cmu_disp CLK_MOUT_SCLK_DSIM0_USER>,
+ <&cmu_disp CLK_MOUT_SCLK_DSIM0>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_ECLK_USER>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_ECLK>,
+ <&cmu_disp CLK_MOUT_PHYCLK_MIPIDPHY0_RXCLKESC0_USER>,
+ <&cmu_disp CLK_MOUT_PHYCLK_MIPIDPHY0_BITCLKDIV8_USER>,
+ <&cmu_disp CLK_MOUT_DISP_PLL>,
+ <&cmu_mif CLK_MOUT_SCLK_DECON_TV_ECLK_A>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK_USER>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK>;
+ assigned-clock-parents = <0>, <0>,
+ <&cmu_mif CLK_ACLK_DISP_333>,
+ <&cmu_mif CLK_SCLK_DSIM0_DISP>,
+ <&cmu_disp CLK_MOUT_SCLK_DSIM0_USER>,
+ <&cmu_mif CLK_SCLK_DECON_ECLK_DISP>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_ECLK_USER>,
+ <&cmu_disp CLK_PHYCLK_MIPIDPHY0_RXCLKESC0_PHY>,
+ <&cmu_disp CLK_PHYCLK_MIPIDPHY0_BITCLKDIV8_PHY>,
+ <&cmu_disp CLK_FOUT_DISP_PLL>,
+ <&cmu_mif CLK_MOUT_BUS_PLL_DIV2>,
+ <&cmu_mif CLK_SCLK_DECON_TV_ECLK_DISP>,
+ <&cmu_disp CLK_MOUT_SCLK_DECON_TV_ECLK_USER>;
+ assigned-clock-rates = <278000000>, <400000000>;
+};
+
&ldo31_reg {
regulator-name = "TSP_VDD_1.8V_AP";
regulator-min-microvolt = <1800000>;