[PATCH 5/8 v4] clk: samsung: exynos5250/5420: Add gate clock for SSS module

Naveen Krishna Chatradhi
2014-01-15T09:16:06Z

This patch adds gating clock for SSS(Security SubSystem)
module on Exynos5250/5420.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
TO: <linux-samsung-soc@vger.kernel.org>
TO: Tomasz Figa <t.figa@samsung.com>
CC: Kukjin Kim <kgene.kim@samsung.com>
CC: <linux-crypto@vger.kernel.org>
---
Changes since v3:
1. Rebased on to https://git.kernel.org/pub/scm/linux/kernel/git/tfiga/samsung-clk.git
2. Added new ID for SSS clock on Exynos5250, with Documentation and
3. Added gate clocks definitions for SSS on Exynos5420 and Exynos5250

.../devicetree/bindings/clock/exynos5250-clock.txt | 1 +
drivers/clk/samsung/clk-exynos5250.c | 1 +
drivers/clk/samsung/clk-exynos5420.c | 4 ++++
include/dt-bindings/clock/exynos5250.h | 1 +
4 files changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
index 492ed09..a845fc6 100644
--- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
@@ -162,6 +162,7 @@ clock which they consume.
g2d 345
mdma0 346
smmu_mdma0 347
+ sss 348

[Clock Muxes]
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index ff4beeb..2c52fe1 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -387,6 +387,7 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
* CMU_ACP
*/
GATE(CLK_MDMA0, "mdma0", "div_aclk266", GATE_IP_ACP, 1, 0, 0),
+ GATE(CLK_SSS, "sss", "div_aclk266", GATE_IP_ACP, 2, 0, 0),
GATE(CLK_G2D, "g2d", "div_aclk200", GATE_IP_ACP, 3, 0, 0),
GATE(CLK_SMMU_MDMA0, "smmu_mdma0", "div_aclk266", GATE_IP_ACP, 5, 0, 0),

diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index ab4f2f7..94915bb 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -26,6 +26,7 @@
#define DIV_CPU1 0x504
#define GATE_BUS_CPU 0x700
#define GATE_SCLK_CPU 0x800
+#define GATE_BUS_G2D 0x8700
#define CPLL_LOCK 0x10020
#define DPLL_LOCK 0x10030
#define EPLL_LOCK 0x10040
@@ -702,6 +703,9 @@ static struct samsung_gate_clock exynos5420_gate_clks[] __initdata = {
0),
GATE(CLK_SMMU_MIXER, "smmu_mixer", "aclk200_disp1", GATE_IP_DISP1, 9, 0,
0),
+
+ /* SSS */
+ GATE(CLK_SSS, "sss", "aclk266_g2d", GATE_BUS_G2D, 2, 0, 0),
};

static struct samsung_pll_clock exynos5420_plls[nr_plls] __initdata = {
diff --git a/include/dt-bindings/clock/exynos5250.h b/include/dt-bindings/clock/exynos5250.h
index 922f2dc..f9b452b 100644
--- a/include/dt-bindings/clock/exynos5250.h
+++ b/include/dt-bindings/clock/exynos5250.h
@@ -150,6 +150,7 @@
#define CLK_G2D 345
#define CLK_MDMA0 346
#define CLK_SMMU_MDMA0 347
+#define CLK_SSS 348

/* mux clocks */
#define CLK_MOUT_HDMI 1024
--
1.7.9.5