From: Vivek Gautam <[email protected]> This patch adds sysreg-syscon node to exynos5250 and exynos5420 device tree, to access System Register's registers using syscon driver.
Signed-off-by: Kamil Debski <[email protected]> [[email protected]: Split this syreg-syscon dts entry from dts: Add usb2phy to Exynos 5250 patch] [[email protected]: added similar syscon entry for exynos5420] Signed-off-by: Vivek Gautam <[email protected]> [[email protected]: updated the binding document] Signed-off-by: Vikas Sajjan <[email protected]> --- .../devicetree/bindings/arm/samsung/sysreg.txt | 11 +++++++++-- arch/arm/boot/dts/exynos5250.dtsi | 5 +++++ arch/arm/boot/dts/exynos5420.dtsi | 5 +++++ 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/samsung/sysreg.txt b/Documentation/devicetree/bindings/arm/samsung/sysreg.txt index 0ab3251..4fced6e 100644 --- a/Documentation/devicetree/bindings/arm/samsung/sysreg.txt +++ b/Documentation/devicetree/bindings/arm/samsung/sysreg.txt @@ -1,8 +1,10 @@ SAMSUNG S5P/Exynos SoC series System Registers (SYSREG) Properties: - - compatible : should contain "samsung,<chip name>-sysreg", "syscon"; - For Exynos4 SoC series it should be "samsung,exynos4-sysreg", "syscon"; + - compatible : should contain two values. First value must be one from following list: + - "samsung,exynos4-sysreg" - for Exynos4 based SoCs, + - "samsung,exynos5-sysreg" - for Exynos5 based SoCs. + second value must be always "syscon". - reg : offset and length of the register set. Example: @@ -10,3 +12,8 @@ Example: compatible = "samsung,exynos4-sysreg", "syscon"; reg = <0x10010000 0x400>; }; + + syscon@10050000 { + compatible = "samsung,exynos5-sysreg", "syscon"; + reg = <0x10050000 0x5000>; + }; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 68a3e6f..8e9b9a3 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -193,6 +193,11 @@ reg = <0x10040000 0x5000>; }; + sysreg_system_controller: syscon@10050000 { + compatible = "samsung,exynos5-sysreg", "syscon"; + reg = <0x10050000 0x5000>; + }; + watchdog@101D0000 { compatible = "samsung,exynos5250-wdt"; reg = <0x101D0000 0x100>; diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index 13a083e..f9b051b 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -725,6 +725,11 @@ reg = <0x10040000 0x5000>; }; + sysreg_system_controller: syscon@10050000 { + compatible = "samsung,exynos5-sysreg", "syscon"; + reg = <0x10050000 0x5000>; + }; + tmu_cpu0: tmu@10060000 { compatible = "samsung,exynos5420-tmu"; reg = <0x10060000 0x100>; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
