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[1/5] clk: shmobile: emev2: deassert reset for IIC0/1

Message ID 1436219188-4325-2-git-send-email-wsa@the-dreams.de (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Wolfram Sang July 6, 2015, 9:46 p.m. UTC 
From: Wolfram Sang <wsa+renesas@sang-engineering.com>

We have a driver now for IIC, so disable reset for them.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

If possible, I'd like to take this patch via the I2C tree because the driver
will spit WARNs if the dependency to this patch is not met. OK?

 drivers/clk/shmobile/clk-emev2.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Stephen Boyd July 6, 2015, 9:57 p.m. UTC | #1 
On 07/06, Wolfram Sang wrote:
> From: Wolfram Sang <wsa+renesas@sang-engineering.com>
> 
> We have a driver now for IIC, so disable reset for them.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---

Acked-by: Stephen Boyd <sboyd@codeaurora.org>
diff mbox

Patch

diff --git a/drivers/clk/shmobile/clk-emev2.c b/drivers/clk/shmobile/clk-emev2.c
index 5b60beb7d0ebce..a91825471c79ac 100644
--- a/drivers/clk/shmobile/clk-emev2.c
+++ b/drivers/clk/shmobile/clk-emev2.c
@@ -28,6 +28,8 @@ 
 #define USIBU1_RSTCTRL 0x0ac
 #define USIBU2_RSTCTRL 0x0b0
 #define USIBU3_RSTCTRL 0x0b4
+#define IIC0_RSTCTRL 0x0dc
+#define IIC1_RSTCTRL 0x0e0
 #define STI_RSTCTRL 0x124
 #define STI_CLKSEL 0x688
 
@@ -66,6 +68,10 @@  static void __init emev2_smu_init(void)
 	emev2_smu_write(2, USIBU1_RSTCTRL);
 	emev2_smu_write(2, USIBU2_RSTCTRL);
 	emev2_smu_write(2, USIBU3_RSTCTRL);
+
+	/* deassert reset for IIC0->IIC1 */
+	emev2_smu_write(1, IIC0_RSTCTRL);
+	emev2_smu_write(1, IIC1_RSTCTRL);
 }
 
 static void __init emev2_smu_clkdiv_init(struct device_node *np)