* [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx
@ 2018-07-11 0:58 Anson Huang
2018-07-11 0:58 ` [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support Anson Huang
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Anson Huang @ 2018-07-11 0:58 UTC (permalink / raw)
To: shawnguo, s.hauer, kernel, fabio.estevam, robh+dt, mark.rutland,
mturquette, sboyd, shengjiu.wang, linux-arm-kernel, devicetree,
linux-kernel, linux-clk
Cc: Linux-imx
i.MX6SX has a 16KB always-on ocram bank called
ocram_s, and its clock gate in CCM CCGR1 CG14
needs to be enabled before access, add it to
clock tree.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
changes since V1:
remove redefinition of IMX6SX_CLK_OCRAM_S to avoid build warning
drivers/clk/imx/clk-imx6sx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c
index 10c771b..691db26 100644
--- a/drivers/clk/imx/clk-imx6sx.c
+++ b/drivers/clk/imx/clk-imx6sx.c
@@ -411,6 +411,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clks[IMX6SX_CLK_GPT_BUS] = imx_clk_gate2("gpt_bus", "perclk", base + 0x6c, 20);
clks[IMX6SX_CLK_GPT_SERIAL] = imx_clk_gate2("gpt_serial", "perclk", base + 0x6c, 22);
clks[IMX6SX_CLK_GPU] = imx_clk_gate2("gpu", "gpu_core_podf", base + 0x6c, 26);
+ clks[IMX6SX_CLK_OCRAM_S] = imx_clk_gate2("ocram_s", "ahb", base + 0x6c, 28);
clks[IMX6SX_CLK_CANFD] = imx_clk_gate2("canfd", "can_podf", base + 0x6c, 30);
/* CCGR2 */
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support
2018-07-11 0:58 [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx Anson Huang
@ 2018-07-11 0:58 ` Anson Huang
2018-07-11 2:18 ` Fabio Estevam
2018-07-11 13:14 ` Shawn Guo
2018-07-11 2:17 ` [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx Fabio Estevam
2018-07-25 16:46 ` Stephen Boyd
2 siblings, 2 replies; 6+ messages in thread
From: Anson Huang @ 2018-07-11 0:58 UTC (permalink / raw)
To: shawnguo, s.hauer, kernel, fabio.estevam, robh+dt, mark.rutland,
mturquette, sboyd, shengjiu.wang, linux-arm-kernel, devicetree,
linux-kernel, linux-clk
Cc: Linux-imx
i.MX6SX has a 16KB always-on ocram bank called
ocram_s, enable it as another mmio sram.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
changes since V1:
resort the ocram_s and ocram node by address from low to high.
arch/arm/boot/dts/imx6sx.dtsi | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index 596763c..f4d982c 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -166,6 +166,12 @@
interrupt-parent = <&gpc>;
ranges;
+ ocram_s: sram@8f8000 {
+ compatible = "mmio-sram";
+ reg = <0x008f8000 0x4000>;
+ clocks = <&clks IMX6SX_CLK_OCRAM_S>;
+ };
+
ocram: sram@900000 {
compatible = "mmio-sram";
reg = <0x00900000 0x20000>;
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support
2018-07-11 0:58 ` [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support Anson Huang
@ 2018-07-11 2:18 ` Fabio Estevam
2018-07-11 13:14 ` Shawn Guo
1 sibling, 0 replies; 6+ messages in thread
From: Fabio Estevam @ 2018-07-11 2:18 UTC (permalink / raw)
To: Anson Huang
Cc: Shawn Guo, Sascha Hauer, Sascha Hauer, Fabio Estevam, Rob Herring,
Mark Rutland, Michael Turquette, Stephen Boyd, S.j. Wang,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-kernel, linux-clk, NXP Linux Team
On Tue, Jul 10, 2018 at 9:58 PM, Anson Huang <Anson.Huang@nxp.com> wrote:
> i.MX6SX has a 16KB always-on ocram bank called
> ocram_s, enable it as another mmio sram.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support
2018-07-11 0:58 ` [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support Anson Huang
2018-07-11 2:18 ` Fabio Estevam
@ 2018-07-11 13:14 ` Shawn Guo
1 sibling, 0 replies; 6+ messages in thread
From: Shawn Guo @ 2018-07-11 13:14 UTC (permalink / raw)
To: Anson Huang
Cc: s.hauer, kernel, fabio.estevam, robh+dt, mark.rutland, mturquette,
sboyd, shengjiu.wang, linux-arm-kernel, devicetree, linux-kernel,
linux-clk, Linux-imx
On Wed, Jul 11, 2018 at 08:58:59AM +0800, Anson Huang wrote:
> i.MX6SX has a 16KB always-on ocram bank called
> ocram_s, enable it as another mmio sram.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Since the clock ID has already been defined before, this dts patch can
be applied independently to clock driver one.
Applied, thanks.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx
2018-07-11 0:58 [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx Anson Huang
2018-07-11 0:58 ` [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support Anson Huang
@ 2018-07-11 2:17 ` Fabio Estevam
2018-07-25 16:46 ` Stephen Boyd
2 siblings, 0 replies; 6+ messages in thread
From: Fabio Estevam @ 2018-07-11 2:17 UTC (permalink / raw)
To: Anson Huang
Cc: Mark Rutland, S.j. Wang,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
Stephen Boyd, Sascha Hauer, linux-kernel, linux-clk, Rob Herring,
NXP Linux Team, Sascha Hauer, Fabio Estevam, Shawn Guo,
Michael Turquette,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
On Tue, Jul 10, 2018 at 9:58 PM, Anson Huang <Anson.Huang@nxp.com> wrote:
> i.MX6SX has a 16KB always-on ocram bank called
> ocram_s, and its clock gate in CCM CCGR1 CG14
> needs to be enabled before access, add it to
> clock tree.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx
2018-07-11 0:58 [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx Anson Huang
2018-07-11 0:58 ` [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support Anson Huang
2018-07-11 2:17 ` [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx Fabio Estevam
@ 2018-07-25 16:46 ` Stephen Boyd
2 siblings, 0 replies; 6+ messages in thread
From: Stephen Boyd @ 2018-07-25 16:46 UTC (permalink / raw)
To: Anson Huang, devicetree, fabio.estevam, kernel, linux-arm-kernel,
linux-clk, linux-kernel, mark.rutland, mturquette, robh+dt,
s.hauer, shawnguo, shengjiu.wang
Cc: Linux-imx
Quoting Anson Huang (2018-07-10 17:58:58)
> i.MX6SX has a 16KB always-on ocram bank called
> ocram_s, and its clock gate in CCM CCGR1 CG14
> needs to be enabled before access, add it to
> clock tree.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
Applied to clk-next
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2018-07-25 16:46 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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2018-07-11 0:58 [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx Anson Huang
2018-07-11 0:58 ` [PATCH V2 2/2] ARM: dts: imx6sx: add ocram_s support Anson Huang
2018-07-11 2:18 ` Fabio Estevam
2018-07-11 13:14 ` Shawn Guo
2018-07-11 2:17 ` [PATCH V2 1/2] clk: imx: add ocram_s clock for i.mx6sx Fabio Estevam
2018-07-25 16:46 ` Stephen Boyd
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