[PATCH v4 5/7] dt-bindings: pinctrl: samsung: Add pin drive definitions for Exynos850

[Sam Protsenko]

All Exynos850 GPIO blocks can use EXYNOS5420_PIN_DRV* definitions,
except GPIO_HSI block. Add pin drive strength definitions for GPIO_HSI
block correspondingly.

Acked-by: Rob Herring <robh at kernel.org>
Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
---
Changes in v4:
  - (none)

Changes in v3:
  - (none)

Changes in v2:
  - Added Ack tag by Rob Herring

 include/dt-bindings/pinctrl/samsung.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/dt-bindings/pinctrl/samsung.h b/include/dt-bindings/pinctrl/samsung.h
index b1832506b923..950970634dfe 100644
--- a/include/dt-bindings/pinctrl/samsung.h
+++ b/include/dt-bindings/pinctrl/samsung.h
@@ -36,7 +36,10 @@
 #define EXYNOS5260_PIN_DRV_LV4		2
 #define EXYNOS5260_PIN_DRV_LV6		3
 
-/* Drive strengths for Exynos5410, Exynos542x and Exynos5800 */
+/*
+ * Drive strengths for Exynos5410, Exynos542x, Exynos5800 and Exynos850 (except
+ * GPIO_HSI block)
+ */
 #define EXYNOS5420_PIN_DRV_LV1		0
 #define EXYNOS5420_PIN_DRV_LV2		1
 #define EXYNOS5420_PIN_DRV_LV3		2
@@ -56,6 +59,14 @@
 #define EXYNOS5433_PIN_DRV_SLOW_SR5	0xc
 #define EXYNOS5433_PIN_DRV_SLOW_SR6	0xf
 
+/* Drive strengths for Exynos850 GPIO_HSI block */
+#define EXYNOS850_HSI_PIN_DRV_LV1	0	/* 1x   */
+#define EXYNOS850_HSI_PIN_DRV_LV1_5	1	/* 1.5x */
+#define EXYNOS850_HSI_PIN_DRV_LV2	2	/* 2x   */
+#define EXYNOS850_HSI_PIN_DRV_LV2_5	3	/* 2.5x */
+#define EXYNOS850_HSI_PIN_DRV_LV3	4	/* 3x   */
+#define EXYNOS850_HSI_PIN_DRV_LV4	5	/* 4x   */
+
 #define EXYNOS_PIN_FUNC_INPUT		0
 #define EXYNOS_PIN_FUNC_OUTPUT		1
 #define EXYNOS_PIN_FUNC_2		2
-- 
2.30.2